A cob conveying and cleaning system for use with a corn harvester, incorporating air induction in cooperation with an air flow from the harvester, for cleaning and separating lighter crop residue to be returned to the field from a mixed flow of the residue and cobs, such that the cleaned cobs can be collected, and the lighter residue optionally spread on the field. The air flow and induction are combined to cooperatively lift or draw the lighter residue from the mixed flow, and to optionally spread the removed lighter residue over a field. The induction apparatus can be located on the harvester, and used as a residue spreader when cobs are not collected.

A grain conveyor for a combine harvester capable of increasing capacity and reducing component wear is disclosed. The grain conveyor includes a grain elevator, a transition chamber and an auger assembly. The grain elevator has an inlet for receiving a flow of grain. The transition chamber includes an inlet and an outlet in fluid communication with the transition chamber inlet and the grain elevator inlet. The transition chamber outlet has an asymmetric non-circular opening larger than the non-cylindrical opening of the transition chamber inlet. The auger assembly is operatively connected to the transition chamber and includes an inlet for receiving a flow of grain and an outlet in fluid communication with the transition chamber inlet.

A dual bin combine system for combine harvesters which increases the storage capacity of harvested grain products when compared with previous systems. The dual bin combine system generally includes a combine harvester having a frame and a first tank for storing material harvested by the combine harvester. A frame extension, which extends in a rearward direction from the frame, includes a second tank. A transferring conduit extends from the first tank to the second tank. When operating the harvester, material may be fed from both tanks to reduce downtime unloading and thus more efficiently harvest crops.

A grain cleaning system of an agricultural combine directs a flow of high velocity air in a first direction about an inlet end of a cleaning shoe. The system further monitors the cleaning shoe in order to detect a change in an operational parameter of the cleaning shoe, wherein the operational parameter is one of a transient effect of a sieve of the cleaning shoe, a flow rate about and exit end of the cleaning shoe and a flow velocity about an exit end of the cleaning shoe. Further, the flow of high velocity air about the inlet end of the cleaning shoe can be redirected in a second direction in response to a detected change in the operational parameter.

A spreader assembly for a combine harvester, the assembly including a pair of disks configured to be rotated such that chaff material dropped onto the disks is spread about the combine harvester, wherein each disk is operably connected to its own motor and a spreader frame assembly. The spreader frame assembly includes a first side support pivotably connected to a frame of the combine harvester, a second side support pivotably connected to the frame of the combine harvester, and at least one disk support configured to support at least one of the pair of disks. The spreader frame assembly further defines an opening configured such that when the combine harvester is windrowing material, no portion of the spreader frame assembly interferes with the flow of windrowing material.

An unload auger assembly for a combine harvester includes a drive coupler configured between adjacent first and second auger segments. The coupler includes a driver component and associated driver cog coupled to the first auger segment. A driven component and associated driven cog is coupled to the second auger segment. The driven cog is rotationally engaged by the driver cog to transmit rotational drive from the first auger segment to the second auger segment. A friction clutch is configured in-line between the driver component and driven component and rotationally couples the driver component to the driven up to a release torque value wherein the friction clutch disengages the driver component from the driven component.

A method of manufacturing a helical bar concave from a flat, rolled laser cut arrangement that provides a net helical concave functionality. Laser cutting a flat metal sheet to form helical cutouts defining a percent open area having a helical geometry in combination with configurable rub bars mounted in a helical fashion results in a configurable helical bar concave in which the number or aggressiveness of the threshing surface on the inside radius of the grate may be changed and/or the rub bars may be moved to the outside of the grate to change the percent open area and hence the separation characteristics of the concave.

A support assembly for supporting a moveable member of an agricultural combine is provided. The support assembly includes a moveable member, such as a foldable chaff pan assembly for spreading chaff and other crop residue from the rear of an agricultural combine, a support member and a resilient member connected to the support member for supporting the moveable member. The resilient member can be configured as an arched shaped or cylindrically shaped member.

A flow distribution system for use with a combine spreader having an inlet opening at the top thereof for receiving crop residue, a pair of counter-rotating spreader paddles disposed generally side by side and forward of a back plate of the spreader, and a discharge opening below the spreader paddles. A flow guide element has an apex portion and a pair of opposed arm portions pivotally connected to the apex portion, the arm portions laterally extending to free end portions. An adjusting mechanism is operably connected to the arm portions to effect rotational movement of the arm portions about the apex portion, ends of spreader paddle members defining the outer swept diameters of the pair of spreader paddles and the crop residue flow surfaces of at least the arm portions defining clearance regions therebetween to controllably distribute crop residue in a desired pattern over a field.

An auger assembly for a combine harvester includes an auger trough having side walls with a length so as to extend laterally between opposed side sheets. Guide tracks are configured along bottom edges of the side walls. A flexible bottom cover member is slidably engaged within the guide tracks. The cover member is removably attached to the side walls by being slid into and out of the guide tracks from a longitudinal end of the side walls outboard of the side sheets for an auger clean-out procedure.

The invention concerns a harvested crop residue chopper and distribution arrangement for a combine (10) with a straw chopper (60) with a rotor (74) that can be brought into rotation about a horizontal axis (98) with chopper blades (76) fastened thereto that define an outer envelope (96), and with at least one impeller blower (82) arranged downstream of the straw chopper (60) with impeller blades (84) that can rotate about an axis of rotation (88) that extends vertically, in which the impeller blades (84) are provided with outer edges (94) that conform to the envelope (96) of the chopper knives (76) and follow it very closely and are not in contact with it.

An agricultural combine having an adjustable spreader assembly is provided that includes a spreader with one or a pair of regulators. The spreader includes a discharge opening about its lateral side. The regulator is pivotably connected to the lateral side of the spreader such that the regulator is in fluid communication with the discharge opening. The regulator can be configured to move from a retracted position to an extended position or to vary the direction of discharge of crop residue. The spreader can be a vertical spreader, a horizontal spreader, or a spread board.

A combine side-shaking control system and a method for controlling operation of a side-shaking mechanism in a combine. The control system includes at least one sieve for separating crop material from other materials and a movable side-shaking mechanism coupled to the at least one sieve and configured to move the at least one sieve in a side-to-side motion. The control system also includes at least one sensor for sensing at least one operating condition of a combine system. The control system further includes a controller for receiving the at least one operating condition and causing the side-shaking mechanism to stop moving the at least one sieve in the side-to-side motion or start moving the at least one sieve in the side-to-side motion based on the at least one operating condition.

A granular material stirring apparatus for breaking up clumps of a granular material in an interior of a storage bin comprises a base assembly for resting on a floor of the bin, an agitation rotor rotatably mounted on the base assembly, and a rotation device connected to the rotatable agitation rotor to cause the agitation rotor to rotate with respect to the base assembly. The agitation rotor may include a central member rotatable about a substantially horizontal axis and a plurality of stirrer members extending substantially radially outwardly from the central member to rotate about the substantially horizontal axis.

An intake feeder system having a stone separator mounted between a crop elevator and the mouth of a threshing mechanism disposed longitudinally in a combine harvester. The stone separator includes a rotary feed beater and a sump disposed beneath the feed beater. The feed beater serves to advance crop raised by the elevator along a crop flow path towards the mouth of the threshing mechanism and to propel stones in the crop into the sump. A duct is provided in parallel with the crop flow path for connecting a space above the rotary feed beater to the mouth of the threshing mechanism.

A counter knife bank assembly of a chopper assembly for an agricultural combine is provided that can pass obstructions without damaging the knife blades of the knife blade assembly. The counter knife bank assembly includes a knife bank and a lever assembly connected to the knife bank. The knife bank is moveable between a first position and a second position relative to a stationary frame of the chopper assembly. The lever assembly includes an extension member having a first end connected to the knife bank, a biasing member connected to the extension member, and an abutment member. The abutment member is engaged with the biasing member and is biased against a stationary support member of the counter knife bank assembly for articulation therewith.

A depth adjustable crop transport vane, crop transport vane assembly, and agricultural combine threshing chambers employing such adjustable crop transport vanes are disclosed.

A biomass conveying and distributing system for separating and distributing lighter biomass residue from heavier or denser biomass, utilizing available air flow from the cleaning system of the harvester. The harvester will discharge a flow of heavier or denser biomass with an airborne flow of lighter biomass residue. The system includes a conveyor for receiving and conveying the heavier or denser biomass, and residue distributing apparatus disposed above the conveyor in a path of at least a portion of the airborne flow of lighter residue, including at least one deflector configured and operable for redirecting the airborne flow sidewardly away from the conveyor, above a passage through which the conveyor passes carrying the heavier biomass away from the harvester.

A combine side-shaking control system includes a sieve for separating crop material from other materials and configured to move in a fore-aft direction. At least one side-shaking assembly includes a mounting device attached to a combine chassis, a lower plate configured to rotate about a lower plate axis and an upper plate configured to (i) have an upper plate rotational motion and rotate responsive to the rotation of the lower plate and (ii) have an upper plate substantially linear motion in a substantially linear direction. A fixed arm is rotatably coupled to the upper plate and attached to the sieve. An actuation device is configured to rotate the lower plate about the lower plate axis. Responsive to the rotation of the upper plate, the sieve is controlled to move diagonal to the fore-aft direction in the substantially linear direction of the upper plate substantially linear motion.

Example embodiments relate to a combine harvester including a straw chopper having an inlet for unchopped straw, an outlet for chopped straw in an essentially horizontal direction, and a spreader fan, connected downstream of the outlet of the straw chopper and having an essentially horizontal plane of rotation, for spreading the chopped straw over a ground surface. The combine harvester further includes a guide member, which is arranged to deflect at least a part of the stream of chopped straw material to an axial intake of the spreader fan such that a part of chopped straw material meets the blades of the spreader fan in the direction of transport of the chopped straw material through the spreader fan at an acute angle (α) relative to the plane of rotation of the spreader fan.

A grain bin located atop a harvester includes upstanding walls having a substantially continuous upper edge defining an opening. A grain bin extension is deployable between extended and retracted positions to expand the capacity of the grain bin. The extension includes extension panels and a cap overlaying the opening. The cap is supported by a cap frame that is also deployable between extended and retracted positions. An extension deployment apparatus raises and lowers the extension panels. Extension deployment mechanisms located at opposing corners of the grain bin control the deployment of adjacent extension panels. Each extension deployment mechanism has a first rack and a trunnion to drive extension panels in a vertical direction and pivot the panels in an outward direction and a second rack mounted to the trunnion to drive the cap frame in a vertical direction, and a drive gear between the first and second racks.

A combine side-shaking control system that includes a sieve for separating crop material from other material, located in a plane having an X dimension and a Y dimension and configured to move in a fore-aft direction in the X dimension, in a side-to-side direction in the Y dimension and in an up-down direction in a Z dimension. The system also includes a side-shaking assembly configured to move the sieve in the side-to-side direction in the Y dimension. The fixed arm is attached to the sieve and configured to move with the sieve in (i) the fore-aft direction in the X dimension, (ii) the side-to-side direction in the Y dimension and (iii) the up-down direction in the Z dimension. The side-shaking coupling portion comprises a moving portion configured to move in a diagonal direction having a fore-aft component in the X dimension and an up-down component in the Z dimension.

A feed system for a biomass collection device uses a conveyor for dropping a flow comprising a mixture of denser or heavier biomass to be collected such as cobs, and less dense or lighter biomass residue such as leaf trash, through a space, and rotary feed apparatus below for receiving the flow, operable for propelling the received flow into a collection device, in combination with a fan configured and operable for directing a flow of air along a second path intersecting the first path in a manner to divert at least a substantial portion of the less dense or lighter biomass residue away from the feed apparatus, while allowing substantially all of the denser or heavier biomass to continue along the first path to the feed apparatus for feeding into the collection device. Distribution apparatus along the second path can then be used to spread the diverted biomass.

An agricultural combine has a threshing assembly for threshing a crop to produce chaff and grain, a cleaning assembly for removing the chaff from the grain, and a control system. The threshing assembly and the cleaning assembly operate at threshing and cleaning settings, respectively, for tending to produce a balance between a threshing load applied across the threshing assembly and a cleaning load applied across the cleaning assembly that tends to have a favorable influence on grain loss. The control system is for sensing an imbalance between the threshing load and the cleaning load tending to have an unfavorable influence on grain loss, and for concurrently adjusting the threshing and cleaning settings of the threshing and cleaning assemblies, respectively, for tending to convert the imbalance between the threshing and cleaning loads to a balance between the threshing and cleaning loads tending to have a favorable influence on grain loss.

A combine harvester comprises a separating apparatus arranged to receive a threshed crop stream and convey rearwardly. The separating apparatus comprises a grate for allowing grain and chaff to fall onto an underlying separator pan, the separator pan being driven in an oscillating manner to convey a grain/chaff stream forwardly for delivery to a cleaning unit. The separator pan comprises a first portion and a second portion disposed forwardly of the first portion. A rear edge of the second portion is releasably attached to a front edge of the first portion, the second portion being pivotable around a forward mounting around a transverse axis between an operating position in which the second portion is attached to the first portion forming a continuous pan surface, and a lowered position in which the second portion is detached from the first portion giving maintenance access to the underside of the separating apparatus.

A helical auger flight has an inner edge, an outer edge, an inner face, an outer face, and a leading extremity that includes a prominence and a leading edge that extends from the outer edge to the prominence. The prominence extends outward from the leading edge of the leading extremity to an outer end having an upturned jut. A wear plate is releasably connected to the inner face of the helical auger flight. The wear plate extends from the outer edge of the helical auger flight to the prominence. A front extremity of the wear plate extends forwardly of the leading edge of the helical auger flight so as to be in a shielding relationship with respect to the leading edge of the helical auger flight, and a nose of the front extremity of the wear plated is seated in direct contact against a contact surface of the jut.

A harvester grain bin monitoring system is disclosed. The system includes a sensor that monitors the perimeter of the bin proximate to the top rim to provide a warning to an operator when the grain level reaches approaches the bin rim. The sensor may be optical or mechanical.

A windrow door assembly for controlling a direction of flow of crop residue expelled from a combine is disclosed. The window door assembly may generally include a door panel extending between a first end and a second end. The door panel may be moveable between a closed position, wherein the crop residue being expelled from the combine is directed along the door panel into a spreader of the combine, and an opened position, wherein the crop residue is directed along the door panel towards a rear opening of the combine. In addition, the windrow door assembly may include a deflector panel rotatably coupled to the door panel. The deflector panel may be configured to alter the direction of flow of the crop residue when the door panel is in the opened position.

A cleaning system for a combine harvester that includes a cleaning shoe having a sieve, a cleaning fan, an air plenum and a pair of air diverters is provided. The cleaning fan is rotatably driven for generating a flow of air and positioned within the air plenum. The air plenum extends across the entire length of the cleaning fan and includes an inlet for the intake of air, an outlet downstream the inlet for directing the flow of air in a first direction, lateral walls forming a portion of the outlet, and a bottom wall extending between the lateral walls. The pair of air diverters extends inwardly from the lateral walls. Each air diverter is configured substantially as a pyramid having a rounded corner that extends inwardly from the lateral wall and upwardly from the bottom wall.

A biomass feed system includes a device to propel an airborne flow of the biomass along a trajectory within a collection device. At least one air flow port is disposed and operable in cooperation with at least one fan for discharging a flow of air for creating a blanket of pressurized air within the interior cavity beneath the trajectory for supporting and extending a distance of travel of the biomass within the collection device. The collection device can include an air flow outlet adjacent to a terminal end of the trajectory, to and through which the pressurized air will flow, in a manner for lifting and carrying at least some of the airborne biomass farther into the interior cavity. And, vanes or other elements can be provided to used to achieve better sideward distribution.

A dehider tool has first and second blades arranged in contact with each other that rotate in opposite directions on a common blade axis. A drive assembly having a pneumatic motor and respective drive belts drives the blades in opposite directions about the common blade axis. The blades each have an outer cutting edge in the shape of a regular convex polygon, such as a decagon. The blades have an inner opening for coupling with a blade holder of the drive assembly. The inner opening has the shape of a regular convex polygon, such as a pentagon. The blades are covered with a hard surface coating to extend their service life.

A double function, hand operated meat tenderizer includes a handle with a blade segment clamped inside said handle; a generally flat plate attached to said handle by at least one slidably moving cylinder attached to a compressed spring, comprising at least one seat including a releasably attached spigot of the cylinder, wherein an end face of said plate is provided with a plurality of projections and flow-through slots aligned in evenly spaced relation, parallel to the spring axis, and wherein in a position of rest, ends of said blades are retracted in said flow-through slots.

A crab shelling machine includes first and second transfer mechanisms for conveying crabs, a cutting mechanism for sectioning the crabs and a separating mechanism for separating crab meat and/or crab roe from crab shells. The cutting mechanism includes a frame body, a pair of transmitting apparatuses positioned above the frame body, and a cutter vertically extending into a slot formed by the pair of transmitting apparatuses. The slot is adapted for the crabs to be conveyed therethrough. Each transmitting apparatus includes two transport wheels and a transport belt associated to the transport wheels. The separating mechanism includes a storage box located above the second transfer mechanism, a suction tube fixed to the storage box for separating the crab meat and/or the crab roe, and a driving apparatus for driving the suction tube.

A portable portable game carcass hanger including two mounting strap with fastening devices to secure to a vertical support beam such as a tree trunk. A mounting bracket with a first leg, a second leg perpendicular to the first leg and support member are provided. A first hook is disposed on the second leg. There is a triangular hanger with an apex and a bottom end opposite the apex. The apex removably engages the second leg first hook. The bottom end of the triangular hanger has at least one second hook provided to hang at least one game carcass thereon.

A stuffing tube centering device for concentric alignment of the stuffing tube to a casing stick and a corresponding method, and where two oppositely disposed centering members movable towards each other between which the stuffing tube can be held and centered.

The present invention relates to a transportation assembly for transporting sausage shaped products out of a clipping machine for producing sausage-shaped products in a transportation direction to a rod-like storing element. Each sausage-shaped product comprises a filled tubular or bag-shaped packaging casing closed on at least one end by a closing means and a suspension element attached to the end closed by said closure means, the transportation assembly comprises a guiding device having a bar-shaped guiding element along which the sausage-shaped product is guided by its suspension element, and a transportation device for transporting the sausage-shaped product along the guiding element by engaging the suspension element of the sausage-shaped product. The suspension element is held in an open configuration by the weight of the filled tubular or bag-shaped packaging casing. A separation device is provided at the guide element, for removing a suspension element from the guiding element.

A method for filling sausages with a paste-like substance by means of a filling machine and to a filling machine for performing this method, including a sensor unit capable of determining at least one parameter that varies differently for different paste-like substances as a function of time. Depending on the at least one determined parameter, a controller determines whether a measure to be implemented on one or more wearing parts is necessary, the wearing parts wearing out at different times depending on the different paste-like substances.

Deboning machines and methods of operating deboning machines are provided. In one aspect, a deboning machine includes a housing, a bearing supported by the housing, a separation chamber supported by the housing and including perforations defined through the separation chamber from an interior surface to an exterior surface, an auger including a shaft and a flute formed about the shaft with the auger extending through the separation chamber and the flute adapted to be positioned a working distance from the interior surface of the separation chamber. The deboning machine also includes a retainer rotatably supported by the bearing with the auger extending through the retainer, a nut rotatably coupled to a threaded portion of the auger and rotation of the moves the flute relative to the separation chamber to establish the working distance between the flute and the interior surface of the separation chamber.

A casing brake assembly for applying a frictional force to a tubular or bag-shaped packaging casing arranged on a filling tube of an apparatus used for filling and closing said tubular or bag-shaped packaging casing and for limiting the movement of said tubular or bag-shaped packaging casing at least while being filled, wherein the filling tube has a circular cross-section, the casing brake assembly comprising a housing and at least a first brake body and at least a second brake body, wherein at least the second brake body is reversibly movable relative to the first brake body between a releasing position and a braking position about said common central axis wherein, in releasing position, the brake bodies are forming a ring, which has an open segment, wherein the filling tube is pivotable through the open segment, and wherein, in braking position, the brake bodies are forming a substantially closed ring.

In a method for removing blood released during filleting from the backbone and the indentations therein in the region of the vertebrae of fish that are conveyed in a row with the head forwards and the belly downwards, the removal of blood is carried out at the same time and in the same place as the cutting of the backbone. The backbone, which is freed of ray bones and rib bones, is guided through a cutting gap and is cut clear on the belly side of the fish over the entire length of the fish as far as the root of the dorsal fin to leave a backbone stump. The fish fillet flesh is covered by covering surfaces which converge at the cutting gap and of which at least two covering surfaces form the cutting gap. Pressurized cleaning fluid is sprayed onto the backbone that is guided between the covering surfaces through the cutting gap during cutting. A device for removing said released blood comprises a backbone cutting device having two backbone cutting circular blades, which are arranged obliquely in an inverted V shape and form the covering surfaces, and having fish guiding means forming covering surfaces that cover the fish fillet flesh. A cleaning device comprises at least one cleaning nozzle aligned with the cutting gap. An actuating device actuates the cleaning device and the backbone cutting device simultaneously. The covering surfaces protect the fish fillet flesh from being sprayed with the cleaning fluid.

The meat cutting cabinet provides an apparatus for automatically cutting and slicing meat using laser beams. The cabinet includes a motor disposed in the interior top thereof. The motor is connected to a winch or spool that pays out or reels in a steel cable. A steel hanger adapted for holding meat is suspended from the steel cable. Interior sidewalls of the cabinet have elongate standards extending from the upper portion to a lower portion proximate the cutting area of the cabinet. The steel hanger is slidably attached to the elongate members via channels formed in the standards. A laser carrier is disposed along an interior periphery of the cabinet and holds laser heads that can move via translation inside the carrier. This laser arrangement forms the cutting area through which the suspended meat can travel under control of a control panel connected to the spool motor.

A method for processing poultry suspended by the feet from a conveyor hook is provided. The method and apparatus allow the quality of the poultry to be classified and graded in a simpler and more effective manner to realize higher yields or an extra added value. In one exemplary embodiment, a processing apparatus for a foot of the poultry is provided that includes a foot pad inspection apparatus.

A shoulder blade removal device of bone-in meat includes: a bottom holder which is configured to be in contact with a lower side of the bone-in meat such that the lower side of the bone-in meat is lifted upward and moved in a horizontal direction; a support member for bending the bone-in meat in cooperation with the bottom holder such that an end of the shoulder blade; and a chuck unit attached to a robot arm and gripping the tip part of the shoulder blade in cooperation with the robot arm. The chuck unit includes: a base member fixed to the robot arm; a grip member; and a lock member supported by the base member such that the lock member can be advanced or retracted toward or away from the lateral plate part, the lock member pinching the shoulder blade in cooperation with the lateral plate part.

A device for use in suspending an animal carcass in an elevated condition includes a device body having an upper section which is integral with a lower section by way of a compound bend. The upper section is formed with a protrusion and the lower section includes a plurality of arms. The animal carcass includes a pelvic bone and the device is constructed and arranged to be positionable within the animal carcass such that the protrusion engages the pelvic bone in order to suspend the animal carcass in the elevated condition.

A deboning system for an arm part of bone-in meat includes: a clamp; at least one forearm-bone incision making device; an olecranon incision making device; and a forearm-bone separation device, wherein the at least one forearm-bone incision making device includes a robot arm and a forearm cutter attached to the robot arm, and the olecranon incision making device includes a pair of olecranon cutters.

Two hooking members of a hooking unit used in a device for conveying bone-in meat respectively have belt-like main body parts, blade-like pointed ends provided at ends on one side of the main body parts, and barbs provided on first sides of the main body parts to be continuous with the points. The hooking members are supported so as to be in parallel with each other with an elastically changeable interval therebetween and to be rotatable about rotation axes along longitudinal axes of the main body parts. Further, the hooking unit has an actuator which rotates the hooking members about the rotation axes.

A portable plucking mechanism for birds, comprising a rotating head with a plurality of flexible protrusions operably connected to a motor, a plurality of arm members, and an attachment mechanism optionally comprising a trailer hitch receiver and an electrical connection to a power source. These components are connected with a plurality of articulable joints, allowing for optimal positioning of the rotating head (at the distal end of an arm member) in space relative to the position of the attachment mechanism (at the proximal end of another arm member). Thus, the user has convenient access regardless of terrain or obstacles, the ability to easily reposition the head, and the ability to manipulate the body of the bird with both hands, to frictionally engage a plurality of feathers with the rotating flexible protrusions, while minimizing damage to the meat of the bird.

Fuel cell membrane electrode assemblies and fuel cell polymer electrolyte membranes are provided comprising bound anionic functional groups and polyvalent cations, such as Mn or Ru cations, which demonstrate increased durability. Methods of making same are also provided.

The invention provides a zwitterionic-bias material for blood cell selection, being a copolymer formed by zwitterionic structural units and charged structural units wherein the zwitterionic structural unit comprises at least one positively charged moiety and one negatively charged moiety, a distance between the positively charged moiety and the negatively charged moiety is a length of 1˜5 carbon-carbon bonds, and the zwitterionic structural units and charged structural units are randomly arranged to have zwitterionic-bias.

A connecting structure for a secondary battery for electrically connecting a core pack where two or more unit cells are electrically connected and a protection circuit module made of the unit cells of the core pack and a PCB substrate. The connecting structure includes a metal plate having an electrode connecting unit connected to an electrode of each unit cell of the core pack and a circuit connecting unit connected to the protection circuit module; and a circuit terminal unit electrically connected to the circuit connecting unit by being located in a connection hole formed in the PCB substrate of the protection circuit module so that the upper and lower portions of the PCB substrate communicate with each other. The circuit connecting unit is coupled and electrically connected to the circuit terminal unit by means of a connection method which allows selective connection and separation.