A dipper assembly includes a dipper, a dipper door, and a closure mechanism. The dipper door is coupled to the dipper, and has a closed position in which the dipper door covers the dipper bottom. The closure mechanism has a first position and a second position. In the first position the closure mechanism is configured to permit movement of the dipper door away from the dipper bottom. In the second position, the closure mechanism is configured to retain the dipper door in the closed position. The closure mechanism includes a link having a first leg and a second leg, one or more side link plates coupled to the link and to the dipper back, and a closure mechanism pin assembly configured to adjust the position of the link relative to the dipper door.

A dipper assembly includes a dipper, a dipper door, a closure mechanism, a trip assembly, and a camshaft support assembly. The dipper door is pivotally mounted to the dipper for movement between an open position and a closed position in which the dipper door covers the dipper bottom. The closure mechanism is configured to retain the dipper door in the closed position. The trip assembly is configured to release the dipper door for movement to the open position, and includes a trip arm coupled to a camshaft and also coupled to a trip rope. The camshaft support assembly is configured to receive the camshaft, and includes a bearing block receiving a rotatable bearing member, and a sealing mechanism.

A bucket tooth assembly is mounted to an adapter provided to a distal end part of a bucket of construction equipment. The bucket assembly includes a bucket tooth and a latching member. The bucket tooth has a cavity for inserting the adapter and a through-hole that is provided to the side face and communicates through to the adapter when the bucket tooth has been mounted to the adapter. The through-hole has a center axis. The latching member is fitted inside the through-hole and having a rotational axis disposed along a direction of the center axis and a bottom part provided to an end on an adapter side in an axial direction. The latching member is rotated to switch between a first state in which the bottom part is held inside the through-hole and a second state in which the bottom part protrudes toward a concave portion on the adapter side.

Wear assembly for machinery includes wear and support elements and a retaining pin for attaching them to each other. The retaining pin has protrusions and the wear element has cavities such that the protrusions can be passed therethrough. The support element has a recess for receiving one of the protrusions. In a first position the retaining pin can be inserted into the wear and support elements. In a second position one protrusion is snap fitted in one cavity so the retaining pin cannot be rotated to the wear and support elements and the other protrusion is received into the recess abutting an inner surface of the wear element such that the retaining pin cannot be displaced axially to the wear and support elements.

A wear assembly for attachment to a digging device, the wear assembly comprising: a wear member arranged to be assembled with the digging device in an assembled condition; and a lock mounted to the digging device, the lock adjustable between an extended configuration and a retracted configuration, the lock comprising at least one locking element that projects outwardly from its mounting in the extended configuration of the lock and is operative to be displaced inwardly from the extended configuration towards its mounting to adopt the retracted configuration of the lock; wherein, with the wear member in the assembled condition with the digging device, movement of the at least one locking element from the extended configuration towards the retracted configuration causes the wear member to be locked to the digging device in the assembled condition.

A ground engaging tip of a tooth assembly for a base edge of a ground engaging implement, is provided, wherein the tooth assembly includes an adapter configured for attachment to a base edge of the ground engaging implement and having a forwardly extending adapter nose. The adapter nose and an adapter cavity of the tip may be configured with surfaces to increase retention when downward forces are applied to the tip.

Method of applying phase transition substance to impart reduced ignition propensity to a smoking article comprising a tobacco column and a wrapper surrounding the tobacco column and having a porous structure with a base permeability. The method comprising forming a pattern of phase transition material on the wrapper such that, when subjected to the heat of the tobacco column burning firecone, the phase transition material at least partially fills the wrapper porous structure in the vicinity of the burning firecone to form an area on the wrapper having reduced permeability lower than that of the wrapper base permeability. The reduced permeability of the wrapper in the vicinity of the burning firecone imparts reduced ignition propensity such that there is insufficient air flow to sustain combustion of the firecone or insufficient air flow to sustain an intensity of the burning firecone necessary to ignite the substrate.

A low power consumption semiconductor device is provided. The semiconductor device includes a decoder, a signal generation circuit, and a display device. The decoder includes an analysis circuit and an arithmetic circuit. The analysis circuit has a function of determining whether to decode the received first image data using the received data. The signal generation circuit has a function of generating a signal including an instruction on whether to decode the first image data in response to the determination of the analysis circuit. The arithmetic circuit has a function of decoding the first image data in response to the signal. The display device has a function of maintaining a second image displayed on the display device in the case where the first image data is not decoded in the arithmetic circuit.

A semiconductor device includes first to fourth terminals, a switch circuit, and an integrating circuit. The integrating circuit includes an amplifier circuit having a (−) terminal, a first (+) terminal, and a second (+) terminal. The integrating circuit is configured to integrate an input signal of the (−) terminal using an average voltage of a voltage of the first (+) terminal and a voltage of the second (+) terminal as a reference voltage. The switch circuit is configured to electrically connect the (−) terminal to the second terminal, the first (+) terminal to the first terminal, the second (+) terminal to the third terminal the (−) terminal to the third terminal, the first (+) terminal to the second terminal, and the second (+) terminal to the fourth terminal. The present semiconductor device is used as a semiconductor device sensing a current flowing through a pixel in a display panel.

A lifter assembly includes first and second lifter segments movably attached to one another and defining a lifting channel having an expandable bladder contained therein. Each lifter segment has an arm extending away from a base of the lifter segment and a travel stop at a distal end of the arm. Each lifter segment further has a keyway opening. The keyway opening of the first lifter segment receives the arm of the second lifter segment and the keyway opening of the second lifter segment receives the arm the first lifter segment.

A center loading assembly for a conveyor belt having a carriage support attached to a belt conveyor main frame and having a carriage within the carriage support. The carriage has a center member with side members extending at an angle therefrom, each having an upward extension. The upward extensions have side rollers and conveyor belt covering skirts and keep the conveyor belt centered between the conveyor belt covering skirts. The carriage support has vertical bearings to support the carriage and side bearings to hold the carriage on the vertical bearings. The carriage and conveyor belt covering skirts follow a trough angle of the conveyor belt as the conveyor belt shifts. Material deposited onto the conveyor belt is deflected to the center portion of the conveyor belt by the conveyor belt covering skirts.

A belt tracking system for adjusting displacement of a movable belt in an axial direction of a plurality of rollers about which the movable belt is entrained includes a slope member and a roller shaft support. The slope member is disposed at least at one end of at least one of the plurality of rollers in the axial direction, to tilt the roller due to movement of the belt. The roller shaft support rotates about a predetermined shaft and includes a shaft recovery member to recover a tilt of the slope member. The shaft recovery member is disposed within a shortest circumference of a closed curve among closed curves within which the slope member and the roller shaft support are disposed in a state in which the roller shaft support is rotated.

A tensioning assembly for a cable drag conveyor. The conveyor includes a head pulley mounted on a head pulley shaft positioned in a head pulley housing and a tail pulley mounted on a tail pulley shaft positioned in a tail pulley housing, infeed and discharge conveyor tubes interconnecting the head pulley housing and the tail pulley housing, and an endless rope having conveying disks attached to the rope positioned in the infeed and discharge conveyor tubes and around the head pulley and tail pulley. The tail pulley housing is positioned in a stationary position in relation to the head pulley and the head pulley housing. The tail pulley shaft and tail pulley is positioned on the tail pulley housing for movement in relation to the tail pulley housing, the head pulley and the head pulley housing. A tensioner moves the tail pulley to maintain the tail pulley at a distance in relation to the head pulley that results in correct tension on the rope during its travel through the cable drag conveyor.

An assembly line, wherein at least one operating branch of fixed length accommodates a number of platforms aligned with one another and with a given travelling direction; each platform being designed to receive a respective vehicle body, feed it in the travelling direction, and subject it to a succession of n assembly operations along the operating branch; each platform being designed for connection to at least one longitudinal extension to assume a total length, which depends on the length of the body carried, and ranges between a minimum length equal to the length of the platform with no extension, and a maximum length; and the length of the operating branch being equal to n times the maximum length.

A door transportation method in a vehicle body assembly line, in which the vehicle body is placed and transported on a vehicle body transportation carriage of a floor conveyer, and thereby components are assembled to the vehicle body, includes: placing and transporting the door, which is detached from the vehicle body, on a door placing section arranged on a base stand of the vehicle body transportation carriage.

A climbing safety assembly for securing a ladder to a stanchion includes a plate that may abut a stanchion so the plate extends laterally away from the stanchion. The plate selectively engages a ladder. The ladder is retained proximate the stanchion so the ladder may be safely climbed by a user. A hook is operationally coupled to the plate. The hook may selectively engage the stanchion so the hook retains the plate on the stanchion. A belt is operationally coupled to the plate. The belt may be extendable around the stanchion so the plate is retained on the stanchion.

A retractable step assembly for a vehicle includes a track assembly mounted on a vehicle frame beneath a workbed, a step assembly, and a pivot assembly that engages the track and step assemblies together. The step assembly moves between a storage position where it is disposed between tracks of the track assembly, and an operational position where it extends outwardly from the tracks, through an aperture in the vehicle's wall panel, and angles downwardly toward the ground. A foldable handrail on the step assembly is selectively movable between a collapsed position and an extended position. The handrail is in the extended position when the step assembly is operational and folds to the collapsed position when the step assembly is stored. First and second supports are provided for the step assembly to rest upon when in either of the storage position and the operational position.

A linear alternator assembly is provided that includes a block defining a cylinder. The cylinder block has inlet ports at which fluid enters the cylinder, exhaust ports at which fluid is exhausted from the cylinder, and a fuel port. Energizable coils surround the cylinder. A first and a second magnetic or magnetizable piston are contained within the cylinder and are positionable within the cylinder in response to energization of selective ones of the coils and combustion of fuel within the cylinder to selectively establish a four-stroke working cycle having an intake stroke, a compression stroke, an expansion stroke, and an exhaust stroke, producing at least one of compressed gas and electrical energy. The four-stroke working cycle may be varied to adapt to changes in power demanded, thereby balancing required output power with efficiency considerations.

A venturi mixing valve assembly includes three open-ended tubular sections. A first section, coupled to a supply of a first gas and a supply of a second gas, has a sleeve defined therein wherein an annular channel open on one end thereof is defined between the sleeve and an inner surface of the first section. A second section defines an annular region with a plurality of holes and a venturi region coupled to the annular region. The annular region circumscribes at least a portion of the first section's sleeve. A third section is threadably coupled to outer surfaces of the first and second sections such that rotation of the third section in a first direction causes the first and second sections to move axially towards one another, while rotation of the third section in a second direction causes the first and second sections to move axially away from one another.

A flow limiter for a fuel system is provided. The flow limiter includes a self-contained portion that enables testing of the flow limiter prior to assembly into a fuel system. A housing of the flow limiter is arranged to provide reduced or no pressure differential across a wall of the housing, permitting the housing to be reduced in size and thickness and providing improved consistency of operation.

As one example, a fuel rail assembly for supplying pressurized fuel to a plurality of cylinders of an engine is provided. The fuel rail assembly includes a fuel rail housing defining an internal fuel rail volume having at least a first region and a second region; a fuel separation membrane element disposed within the fuel rail housing that segregates the first region from the second region. The membrane element can be configured to pass a first component of a fuel mixture such as an alcohol through the membrane element from the first region to the second region at a higher rate than a second component of the fuel mixture such as a hydrocarbon. The separated alcohol and hydrocarbon components can be provided to the engine in varying relative amounts based on operating conditions.

A semiconductor memory device includes first and second memory cells, each of which includes a charge storage layer, a first bit line that is connected to the first memory cell, and a second bit line that is connected to the second memory cell. A writing operation includes multiple loops of a programming operation and a verification operation, and first data is written in the first memory cell, and second data different from the first data is written in the second memory cell through the writing operation. In a first loop of the writing operation, a first voltage is applied to the first bit line and the second bit line is maintained in an electrically floating state during the programming operation, and a verification operation relating to the second data is not performed and a verification operation relating to the first data is performed.

The semiconductor device includes a bit line, a transistor, a retention node, and a capacitor. The transistor has a function of charging or discharging the retention node. The capacitor has a function of retaining a potential of the retention node. A voltage greater than the sum of a writing voltage and a threshold voltage is applied to a gate of the transistor. When the transistor is turned on, a first potential is supplied to the bit line with a reference potential in a floating state. A voltage less than the sum of the writing voltage and the threshold voltage is applied to the gate of the transistor. When the transistor is turned on, a second potential is supplied to the bit line with a reference potential in a floating state. With use of the first and second potentials, the threshold voltage of the transistor is calculated without being influenced by parasitic capacitance and variations in the storage capacitance of the capacitor.

A signal shifting circuit may include a bank selection signal generation unit suitable for generating a bank selection signal synchronized with a first clock in response to a bank address and an internal write signal; and a shifting device suitable for generating a shifted bank selection signal by shifting the bank selection signal by a number of times according to latency information and for advancing a phase of the shifted bank selection signal whenever shifting the bank selection signal once or more so that the shifted bank selection signal is synchronized with a second clock having a phase leading a phase of the first clock.

A semiconductor device capable of stably holding data for a long time is provided. A transistor including a back gate is used as a writing transistor of a memory element. In the case where the transistor is an n-channel transistor, a negative potential is supplied to a back gate in holding memory. The supply of the negative potential is stopped while the negative potential is held in the back gate. In the case where an increase in the potential of the back gate is detected, the negative potential is supplied to the back gate.

A semiconductor memory device may include: a plurality of memory mats; and a plurality of sense amplifier arrays arranged alternately with the memory mats, each sense amplifier array being suitable for sensing and amplifying data of memory mats adjacent thereto, wherein during a data sensing operation to a memory mat among the plurality of memory mats, in addition to a sense amplifier for the memory mat and sense amplifiers positioned immediately above and below the sense amplifier for the memory mat, at least one additional sense amplifier closest to the sense amplifier for the memory mat is also activated for providing additional amplification.

An apparatus includes a first terminal configured to communicate data with an outside of the apparatus, a second terminal configured to receive a first power source potential, a third terminal configured to receive a second power source potential lower than the first power source potential, a fourth terminal configured to be coupled to a calibration resistor, an output buffer including first to third nodes coupled to the first to third terminals respectively, and a replica circuit including fourth and fifth nodes coupled to the second and third terminals respectively, and sixth node coupled to the fourth terminal.

A semiconductor memory device may include: a memory bank comprising a plurality of word lines; a smart command generation unit suitable for generating a smart refresh command, which is enabled at a random cycle, in response to an active command; and a refresh operation control unit suitable for performing a refresh operation to at least one of adjacent word lines of a target word line among the plurality of word lines in response to the smart refresh command.

According to one embodiment, a semiconductor storage apparatus includes a memory cell array and a read circuit. The memory cell array includes a memory cell which is connected to a word line. A threshold voltage of the memory cell corresponds to a data value of multiple bits. The read circuit receives designation of one bit among the multiple bits, applies a first reading voltage and a second reading voltage corresponding to the designated bit to the word line, senses ON or OFF of the memory cell for each reading voltage, and outputs a first sensed value and a second sensed value after performing the sensing for each reading voltage. The first sensed value is a sensing result in a case where the first reading voltage is applied. The second sensed value is a sensing result in a case where the second reading voltage is applied.

A memory device includes a first string and a second string. The first string includes first and second transistors and first cell transistors coupled in series between a source line and a bit line. The second string includes third and fourth transistors and second cell transistors coupled in series between the source line and the bit line. During a read, a gate of the fourth transistor is applied with a voltage to turn off the transistor, and after start of application of voltages to the first cell transistors, the gate of the fourth transistor is applied with a voltage substantially the same as a voltage applied to the source line.

According to one embodiment, a first well of the first conductivity type which is formed in a substrate. a second well of a second conductivity type which is formed in the first well. The plurality of memory cells, the plurality of first bit line select transistors, and the plurality of second bit line select transistors are formed in the second well, and the plurality of first bit line select transistors and the plurality of second bit line select transistors are arranged on a side of the sense amplifier with respect to the plurality of memory cells of the plurality of bit lines.

According to one embodiment, a semiconductor storage device includes a memory cell array having memory cell capable of holding N-bit data; and a sense amplifier comprising a first latch holding information on a threshold distribution, a second latch holding write data, and a third latch holding lower information of the N-bit data, and supplying a first to a fourth voltages to the memory cell to write the data to the memory cell using the first to fourth voltages. The sense amplifier supplies the first to third voltages to the memory cell based on information in the second and the third latches, and based on a result of transfer of the information held by the first latch to the second latch, supplies the fourth voltage or the first voltage to the memory cell.

According to one embodiment, a semiconductor memory device includes: first to third pages; first to third word line; and row decoder. In data writing, data is written into the first page before data is written into the second page. The row decoder is configured to apply first to third verify voltages to the gates of the first to third memory cells in a program verify operation.

Semiconductor memory devices are provided. The semiconductor memory device includes an input/output (I/O) drive controller, a data I/O unit and a data transmitter. The input/output (I/O) drive controller generates drive control signals and an input control signal for driving first and second global I/O lines in a first test mode or a second test mode. The data I/O unit drives the first global I/O line in response to an input data when a write operation is executed in the first test mode and to drive the first and second global I/O lines in response to the drive control signals when the write operation is executed in the second test mode. The data transmitter transfers the data on the first global I/O line onto first and second local I/O lines to store the data on the first global I/O line in a memory cell array portion when the write operation is executed in the first test mode. The data transmitter also transfers the data on the first and second global I/O lines onto the first and second local I/O lines to store the data on the first and second global I/O lines in the memory cell array portion when the write operation is executed in the second test mode. Related methods are also provided.

Provided is a semiconductor device capable of holding data for a long period. The semiconductor device includes first to third transistors, a capacitor, and a circuit. The third transistor includes a first gate and a second gate. A gate of the first transistor is electrically connected to a first terminal of the capacitor. A first terminal of the first transistor is electrically connected to the second gate. A second terminal of the first transistor is electrically connected to the circuit. A gate of second transistor is electrically connected to a first terminal of the second transistor. A first terminal of the second transistor is electrically connected to the second gate. A second terminal of the second transistor is electrically connected to a first terminal of the capacitor. The circuit is configured to generate a negative potential. A channel formation region of the first transistor preferably includes an oxide semiconductor.

A method for fabricating a semiconductor device and a method for operating the semiconductor device are provided. The method for fabricating a semiconductor device includes forming a first electrode layer; forming a material layer, including conductive path components, over the first electrode layer; forming a second electrode layer over the material layer; performing a forming operation, which includes initially creating, in the material layer, a conductive path that electrically connects the first electrode layer to the second electrode layer by applying one of a predetermined voltage and a predetermined current between the first and second electrode layers, the conductive path including the conductive path components; and performing a first heat-treatment process at a predetermined temperature that removes some of the conductive path components from the conductive path, wherein a resistance state of the material layer changes based on the creation or dissolution of the conductive paths.

A stretching assembly for cloth has a heating furnace, a pressing device and a shaping device. The heating furnace has two opposite sidewalls and a channel. The channel is formed through the opposite sidewalls of the heating furnace and has an inlet and an outlet. The pressing assembly is set to face the inlet of the heating furnace and has a first pressing wheel and a second pressing wheel. The first pressing wheel has multiple annular protruding segments formed on an external surface of the first pressing wheel. The second pressing wheel parallel the first pressing wheel to form a curved clearance between the pressing wheels and has multiple annular concave segments formed on an external surface of the second pressing wheel. The shaping device is set to face the outlet of the heating furnace, aligns with the pressing device and has two shaping wheels.

A method and apparatus for assembling a reel having a pair of axially spaced circular flanges provided with facing annular grooves, a plurality of axially extending staves fitted into the grooves to form a cylindrical drum extending coaxially between the flanges, and a plurality of tie rods extending axially through the flanges within the drum to draw the flanges together, the apparatus having an inner ring assembly removably supported on the rods concentrically within the drum; an outer ring assembly releasably supported on and downwardly of the inner ring assembly concentrically therewith and adapted to open circumferentially so as to be removed from the drum; and a plurality of lances releasably engaging the tie rods for threading the rods through one of the flanges.

The present disclosure relates to various shift selector assemblies having a shift gate with a plurality of indentations corresponding to transmission shift selections. At least one of the indentations is configured to have a flexible depth so as to selectively restrict and accept a pawl pin, thereby mitigating shift position overshoot.

A steering column assembly comprises a steering column shroud comprising an inner and an outer tubular member, a support bracket which is fixed to part of the vehicle, and a clamp assembly which includes a cab mechanism having a fixed portion and a moving portion and a clamp pin which passes through arms of the support bracket, the clamp pin being provided with a first reaction member located towards one end of the pin outside of one arm of the support bracket and a second reaction member located towards the other end of the clamp pin outside of the other arm of the support bracket such that the arms of the bracket are located on the clamp pin between the reaction members and with the cam assembly located between the outside of one arm and one of the reaction members. The fixed cam portion is mechanically connected to the support bracket such that at least during an initial release phase of the clamp assembly the force required to produce a rotational movement of the fixed cam portion relative to the support bracket exceeds any rotational force exerted on the fixed part due to strain energy stored in the assembly.

A cam and lever system comprising a cam having a side perpendicular to an axis of rotation of the cam and a channel on the side of the cam, the channel having a bottom wherein the channel is at least partially defined by a first wall and a second wall that diverge as the distance from the bottom increases, a lever, having a pin extending into the channel and an axis of rotation that is generally parallel to the axis of rotation of the cam, and having a configuration sufficient to provide point contact with the walls of the channel.

A motor drive assembly can prevent a two-way roller clutch of the current speed ratio and a two-way roller clutch of the next speed ratio from engaging simultaneously, and includes a first-speed friction plate formed with engaging protrusions on the first-speed side, and a shift ring formed with engaging recesses. While the shift ring is in a first-speed shift position SP1f, the engaging protrusions are adapted to be engaged in the engaging recesses, thereby preventing rotation of the shift ring relative to the first-speed friction plate. The shift ring is provided with projections on its inner periphery. The drive assembly further includes an annular protrusion formed with cutouts. When the projections are axially and circumferentially displaced from the respective cutouts, the projections are adapted to interfere with the annular protrusion, thereby preventing axial movement of the shift ring between the first-speed shift position SP1f and a second-speed shift position SP2f.

A bicycle handle assembly for a handlebar contains a body including a peripheral fringe and a side fringe connected together to define a receiving space. The receiving space includes a first side and a second side. The peripheral fringe includes a first engaging portion, a first connecting portion and a fixing portion connected with two ends of the first engaging portion. A movable retaining member is installed in the receiving space and includes a second engaging portion, a second connecting portion and a moving portion connected with two ends of the second engaging portion. The second connecting portion is used to connect with the first connecting portion of the body. A locking element is used to force the moving portion toward the fixing portion of the body, so that the external fence of the handlebar is retained tightly between the first engaging portion and the second engaging portion.

A durable system is disclosed for controlling variable valve actuation of an engine valve corresponding to a cylinder of an automobile engine. The system is designed to have a durability that exceeds the expected life of a conventional automobile engine. The system includes first crowned cam having a first lift profile, a second crowned cam having a second lift profile, and a rocker arm assembly. The rocker assembly includes a first arm having an end connected to said engine valve, having a high impact roller following the first crowned cam operating the engine valves according to a first lift profile. The rocker arm assembly also includes a second arm having slider pads riding on the second crowned cam to operate said engine valve according to a second lift profile. The slider pads have a sliding surface covered with an impact-resistant multilayer coating with its outermost coating being a wear-resistant coating. A latch having adjustable latch lash secures the second arm relative to the first arm when in a latched position causing the valve to operate according to a second lift profile when the latch is in a latched position, and the valve is operated according to a first lift profile when the latch is not in a latched position.

A dual stage accelerator pedal assembly is provided that is capable of communicating various vehicle operating conditions to the driver as well as notifying the driver of a critical operating condition, such as a low battery pack level, via a change in pedal resistance. The change in pedal resistance is achieved by preloading one of the springs in the accelerator pedal's spring assembly. The spring assembly uses two springs exhibiting different spring force to achieve distinguishable first and second pedal stroke stages.

A frame assembly for simulating topography of an existing wall portion provides points of adjustment behind a wallboard panel mounted to the frame assembly. In this manner imperfections in an existing wall can be replicated to facilitate cabinet or countertop installation.

A measuring assembly for measuring an inside of a lens frame of a spectacle frame, said lens frame at least partially delimiting an inscribed surface area F that corresponds to a lens shape, comprising a holding device for mounting the spectacle frame, at least one light source for generating a light beam to be projected on a region of the lens frame to be evaluated, and at least one sensor that can be coupled to an evaluation unit for detecting the reflected light beam, wherein the holding device can be rotated about a rotational axis r and moved in the direction of a movement axis x, and the movement axis x comprises at least one movement component in a direction perpendicular to the rotational axis r. The holding device is used to fix the spectacle frame by spectacle frame bows, wherein at least one free space is provided in the region of the holding device, said free space being used to receive the spectacle frame bows of a spectacle frame to be held which are not folded in or cannot be folded in.

A portable device is used to aid a semi-truck driver in the repositioning of a tandem axle assembly of a trailer. The portable device may be easily attached and removed from the trailer's sub-frame during operation. The device will signal the driver visually when reaching the desired position during adjustment of the tandem axle assembly to a new location. The device may reduce time and increase safety for the driver during the tandem axle assembly repositioning operation. The device may be positioned at or near the desired tandem axle assembly position. A flap may pivotally hang in a position where a tire from the tandem axle assembly may deflect and pivot the flap when the tandem axle assembly reaches its desired position. A driver may see this flap deflection and know, with certainty, that they have achieved the desired tandem axle assembly position.

Disclosed is a rule assembly having a housing, a reel rotatably mounted in the housing, an elongated blade wound on the reel and extendable through an opening in the housing, and a permanent end hook member attached to the elongated blade with a first hook portion. The rule assembly further has another or second end hook member that is removably attachable to the elongated blade with a second hook portion. Each of the permanent end hook member and second end hook member are capable of limited movement relative to the blade between an extended position and a retracted position. The second hook portion can extend in a direction opposite to that of the first hook portion. A forward surface of the second hook portion can be aligned with a forward surface of the first hook portion to form a larger surface area for engagement with a workpiece.

A dental implant two-piece fixture mount includes an implant fixture-mount base portion at its distal end, and a snap-on, separate, separable top piece at its proximal end, the top-piece including an insertion-tool-engaging surface and a distal cylindrical skirt with a plurality of protrusions on the skirt's inner surface, and a distal insertion projection, the fixture-mount base portion including a separable proximal portion that includes a groove near the bottom of the separable proximal portion for engagement with the protrusions, a longitudinal through passage to receive a fixation screw for attachment of the fixture mount base portion to a dental implant, and that includes an internal, multi-sided region to anti-rotationally engage the distal insertion projection.