Abstract: A quick coupler and methods of coupling and decoupling a quick coupler and work tool are disclosed. The quick coupler includes a frame, cylinder, primary blocking member, secondary blocking member, biasing member, and controller. The method of coupling includes activating an AUTOMATIC LOCKING state, automatically locking a second tool pin within a hook, a first tool pin entering a notch, and activating a LOCKED state. The method of decoupling includes activating the AUTOMATIC LOCKING state, resting the work tool on a surface, activating an UNLOCKED state, and separating the quick coupler and work tool. Advantageously, the quick coupler can automatically lock the second tool pin without actuation of the cylinder.

Abstract: A quick-hitch for coupling a tool to an excavator arm or to a similar tool manipulator, including two hitch halves that can be latched together and that comprise at least one pair of latching parts with which a displaceable latch is associated, an actuating cylinder being provided for actuating the latch. The actuating cylinder has a mechanical blocking unit for locking the latching position of the bolt, having a lead screw which is in a threaded engagement with the piston and/or the piston rod of the actuating cylinder, so that the piston is only displaceable by turning the lead screw, as well as a releasable anti-rotation device for the lead screw.

Abstract: Throughout several portions of a refuse collection system, coupling between hydraulic cylinders to related mechanical components are achieved using bolt-in bushings. The bolt-in bushings allow for improved efficiency in the manufacturing process and allow for repairs to be easily carried out by having a cylindrical opening configured to receive an attachment pin and a main body that is configured to be inserted into openings within portions of related mechanical components. The main body has a flange that will support connection holes, thereby allowing for attachment to the operating components of the refuse collection vehicle.

Abstract: An adapter for a quick-change system for changing attachments on a construction machine contains coupling elements arranged at a stipulated spacing from each other between two side walls for connection of the adapter to a quick changer. In order to provide improved protection from damage, the rear ends of the two side walls project rearwardly with respect to a back cover arranged between the side walls.

Abstract: An anti-release mechanism of a pin-grabber coupler securing a work tool connected to a work machine is disclosed. The anti-release mechanism comprises an actuator, a wedge, a latch, a guide rod connecting the wedge and the latch, and a bias member on a first guide rod end of the guide rod biasing the latch and the wedge together. The wedge and the latch lock around a pin of the work tool and maintain the wedge against the pin of the work tool during a loss of engagement force of the wedge against the pin.

Abstract: A coupler for coupling an implement having first and second spaced apart parallel pins, to the arm of a vehicle. The coupler has a body for attaching to the vehicle arm, a first fixed jaw, a movable second jaw facing away from the first jaw, and an actuator to selectively move the second jaw towards and away from the first jaw. The first jaw includes a lip forward of the seat for the first pin. A first locking member is pivotable between a locking position, in which a portion of the locking member protrudes into the opening of the first jaw, and an unlocked position. A second locking member is pivotable between a locking position in which a portion of the second locking member constricts the opening of the second jaw, and an unlocked position. Movement of the second jaw causes movement of the first locking member.

Abstract: A volumetric metering system includes a housing configured to be coupled to a commodity container. The housing has a transducer portion. A roller is removably coupled within the housing and has an encoding tab with at least one circuit. The encoding tab is positioned to allow interaction between the circuit and the transducer portion when the roller is installed in the housing. A controller is operably coupled to the transducer portion and configured to cause the transducer portion to interact with the circuit and identify the roller based on the interaction. The controller is configured to automatically set roller information based on automatic identification of the roller. In one example, the roller is provided with a set of magnets the relative positions of which encode the roller.

Abstract: An attachment includes an implement and a plate coupled to the implement. The plate has a top end, a bottom end, and an attachment interface. The attachment interface includes (i) a hook extending from the top end of the plate and (ii) an aperture positioned proximate the bottom end of the plate. The hook is positioned to selectively engage a hook interface on the vehicle. The aperture is positioned to selectively receive a rotating locking arm on the vehicle to facilitate selectively coupling the plate and, thereby, the implement to the vehicle.

Abstract: A quick-change device for changing attachments on a construction machine includes a support, first receptacles arranged on one side of the support for receiving a first coupling element, second receptacles arranged on the other side of the support for receiving a second coupling element, and a capturing device arranged on the support for capturing the attachment. In order to avoid damage to the support caused by improper strain on the capturing device, the capturing device has at least one capturing hook pivotably arranged on the support.

Abstract: A quick hitch coupler for coupling an attachment to a dipper arm of an excavator, the quick hitch coupler comprising: (a) a body member adapted for coupling to the dipper arm, (b) a fixed engaging jaw mounted on the body member for engaging a first one of a pair of coupling pins mounted on the attachment, (c) a movable engaging jaw mounted on the body member for engaging a second one of the pair of coupling pins of the attachment, the movable engaging jaw being movable between an engaged state with the movable engaging jaw engaging the second coupling pin while the fixed engaging jaw engages the first coupling pin for coupling the attachment to the coupler, and a disengaged state for disengaging the second coupling pin, (d) a latch co-operable with the fixed engaging jaw for retaining the first coupling pin of the attachment engaged in the fixed engaging jaw the latch being alternately operable in a latched state co-operating with the fixed engaging jaw for retaining the first coupling pin in the fixed eng

Abstract: An embodiment of the present invention relates to an apparatus for controlling quick clamping of construction machine which comprises a clamp for mounting an attachment, the apparatus including: a selection input unit for generating a selection signal during an on operation by an operator; an operation input unit for generating an operation signal during an operation by the operator; a clamp driving unit for releasing and fastening the clamp; and a controller for controlling the clamp driving unit to release the clamp while the operation signal is input after the selection signal is input.

Abstract: A quick-change coupler device for coupling and uncoupling implement attachments to and from construction site equipment includes a carrier assembly, first receiving members disposed on one side of the carrier assembly for receiving a first coupling member, second receiving members disposed on the other side of the carrier assembly for receiving a second coupling member, a locking unit dedicated to the second receiving members and capable of moving between a release position and a locking position, and a catch unit disposed on the carrier assembly for catching the implement attachment. To simplify coupling and to ensure an increased safety level, the catch unit comprises at least one catch hook swivel-mounted on the carrier assembly and a control unit controls swivel of the catch hook between a folded-in and a folded-out position. The control unit is actuated by the first coupling member and is actuated independently of the locking unit.

Abstract: The automatic connection device includes a fixed connection plate, that is attached to or integrated with the tool holder and stationary relative to same, a movable connection plate, that is mounted movably on the tool so as to be able to both pivot and slide relative to same, and a centering device provided on the tool holder and the tool such that, when said tool is mounted and assembled mechanically on the tool holder, the connection plates are mutually centered and the electrical, pneumatic and/or hydraulic couplers of same are mutually connected so as to connect at least one of the electrical, pneumatic and/or hydraulic networks of the tool to that of the tool holder.

Abstract: A monitoring system for a work vehicle having a lift system to which an implement is attachable via a connection assembly includes a weight detection subsystem operable with the lift system and configured to transfer signals representative of a weight supported by the lift system. The monitoring system also includes a position detection subsystem operable with the connection assembly and configured to transfer signals representative of a state of the connection assembly. A controller is in operable communication with the weight detection subsystem and the position detection subsystem and is configured to receive signals from the weight detection subsystem and from the position detection subsystem, determine a condition of the connection assembly based on the signals received, and output a signal based at least in part on the determined condition.

Abstract: A towed agricultural implement including a main chassis member, a moveable arm for carrying at least one working implement located to each side of the main chassis member, each moveable arm being moveable between a working position and a transport position, the main chassis member having a support device for attachment to a towing vehicle, the support device having left and right lower attachment points for attaching to lower mounting points of a three point hitch of a towing vehicle and a central upper attachment point for attaching to the upper mounting point of the three point hitch, in which each left and right attachment point is mounted on an articulated arm connected to the main chassis member, the main chassis member further including a regulating control apparatus to secure and release a free end of each articulated arm in an operative position.

Abstract: A coupling assembly for releasably mounting, and hydraulically coupling, a tool to a work machine. The coupling assembly includes a mount attachable to the work machine and configured to receive the tool in a mounted position of the tool, a rigid retaining body movable in translation relative to the mount along a translation axis between a retaining position for retaining the tool to the mount and a release position for releasing the tool from the mount, a first and a second actuator operable to move the retaining body between the retaining and release positions, and a hydraulic coupling manifold movable in translation relative to the mount along the translation axis for hydraulically coupling the tool to the machine, wherein the hydraulic coupling manifold uses the first and second actuators as guides for moving along the translation axis.

Abstract: A system for operating a work vehicle includes a hydraulic control assembly and a controller. The hydraulic control assembly includes a pump, accumulator, boom hydraulic cylinder, pin hydraulic cylinder, pin control valve, and ride control valve assembly. The boom hydraulic cylinder moves a boom of the work vehicle. The pin hydraulic cylinder moves a pin on the boom. The ride control valve assembly includes a charge valve and discharge valve. The charge valve is in fluid communication with the pump and the accumulator. The discharge valve is in fluid communication with the accumulator and a reservoir. The controller operates the work vehicle in a ride control mode and pin actuation mode. The pin actuation mode includes opening the charge valve with the discharge valve closed, and directing hydraulic fluid through the pin control valve.

Abstract: The present invention relates to a double safety device for a quick coupler, which, in a coupling process of a quick coupler for connecting a heavy equipment attachment and an excavator, automatically prevents unintentional separation between an attachment pin and a fixed hook, and enables a locking device to be automatically operated in association with a cylinder operation for slidably moving a hitch and elastic force of first and second compression springs.

Abstract: The present invention relates to a safety device for a quick coupler and, more particularly, to a safety device for a quick coupler, the safety device having an improved structure that is configured to improve the structure of a locking device, the locking device preventing the fixing hook from being arbitrarily released from a locking engagement, by using a safety plate that is laterally moved in a sliding manner by an elastic force of a DIE spring after a fixing hook and a first attachment pin are assembled together.

Abstract: An attachment coupling device for heavy industrial equipment, includes a coupler body coupled to operation links of the heavy industrial equipment, a fixed hook fixedly mounted to the coupler body, a movable hook rotatably coupled to the coupler body, an actuator connected to the movable hook and rotatably connected to the coupler, and a pin locking unit rotatable through operation of the actuator, to lock a first pin of the attachment coupled to the fixed hook and the movable hook, to which a second pin of the attachment is coupled. The pin locking unit includes a pivot body rotatably coupled to the coupler body and connected to the actuator, a hook support for locking the movable hook, a pin support for locking the first pin, and a locking elastic member for preventing the pivot body from excessively pivoting in a release direction thereof.

Abstract: A multi-degree-of-freedom automatic center-adjusting device, a hydraulic quick-coupling device, and rescue equipment are provided. The automatic center-adjusting device includes an active coupling valve set, a spring, and a dynamic adjustment swing rack. A first end of the dynamic adjustment swing rack is fixed to operation tools, and a second end of the dynamic adjustment swing rack is connected to the active coupling valve set through the spring. The dynamic adjustment swing rack includes a frame, a limit slot, and a spring limit cylinder, wherein the frame is used to support and fix the active coupling valve set, the limit slot is used to define a limit activity position of the active coupling valve set, and the spring limit cylinder is used to constrain the spring. The automatic center-adjusting device is used to solve technical problems of position errors and a center mismatch in a coupling process.

Abstract: A connection system for coupling an implement to a work vehicle. The connection system includes a receiver assembly of the implement, which couples the implement to a connector assembly of the work vehicle. An implement frame includes a first end having a mounting portion and a second end coupled to a mounting assembly of the implement frame. The mounting portion of the implement frame couples the implement directly to a frame of the work vehicle. The receiver assembly is directly coupled to the implement frame. An alignment indicator system provides a visual indication of alignment of the receiver assembly with the connector assembly.

Abstract: A coupler for coupling an attachment to an excavator. The coupler has first and second spaced-apart coupling formations for coupling with respective corresponding coupling formation of the attachment. The coupler also has a power actuated locking member for retaining the respective attachment coupling formation in engagement with the first coupling formation. A detection system is capable of detecting if the respective attachment coupling formation is in a desired position with respect to the first coupling formation, wherein the detecting means comprises at least one non-contact sensor, preferably an ultrasonic sensor.

Abstract: A tool holder includes a locking cylinder provided with two first gripping pins extending laterally from each side of the fixed part thereof, and two second gripping pins extending laterally from each side of the moving part thereof. The tool includes at least two reception assemblies each having a first receiving portion and a second receiving portion the openings of which are each facing and provided to receive one of the first gripping pins and one of the second gripping pins for retaining the tool on the tool holder. The tool is locked on the tool holder by means of the locking cylinder by moving each gripping pin into abutment at the bottom of the associated receiving portion thereof.

Abstract: A crane is disclosed, the crane includes detachable hydraulic cylinder including a head side oil chamber and a rod side oil chamber both to be connected to a control valve through a joint, in which a head side hydraulic detecting section and a rod side hydraulic detecting section are each provided to the hydraulic cylinder, and a connection state between the hydraulic cylinder and the control valve is determined based on a head side hydraulic pressure and a rod side hydraulic pressure in a period until a predetermined time elapses after supply of electric power to the head side hydraulic detecting section and the rod side hydraulic detecting section is started and an operation tool for hydraulic cylinder switches the control valve to a state of supplying hydraulic fluid to the hydraulic cylinder.

Abstract: A lock proving system provides a positive indication when a locking mechanism has correctly latched a removable attachment to an agricultural machine, the attachment being a header for a combine harvester for example. The locking mechanism includes a locking element that is shiftable into a locking position in which, provided the attachment is mounted to the machine with the correct alignment, the locking element acts upon a lock proving mechanism that is mounted to the attachment. The lock proving mechanism delivers mechanical feedback to the machine, the action of which is detected by a sensing device mounted upon the machine.

Abstract: Improvements to work attachment assemblies and in particular work attachment assemblies for use with work machines such as excavators.

Abstract: An attachment holder for construction equipment includes a movable-side pin guidance surface configured to guide a movable-side coupling pin to a movable-side pin accommodation portion. The attachment holder also includes an excessive closure prevention portion configured to prevent a movable-side jaw from closing excessively with respect to a stationary-side jaw to enable the movable-side coupling pin to come into contact with the movable-side pin guidance surface, whether the movable-side coupling pin is of an attachment for the construction equipment that has a minimum pin-to-pin spacing or a maximum pin-to-pin spacing, in a case in which the movable-side coupling pin is to be accommodated in the movable-side pin accommodation portion by operating, for example, an arm of the construction machine so as to move the movable-side jaw closer to the movable-side coupling pin after a stationary-side coupling pin is accommodated in a stationary-side pin accommodation portion.

Abstract: A quick coupler for coupling a tool such as an excavator bucket, a clamshell grapple or demolition shears to a tool operator such as an excavator arm or the like. The quick coupler including a coupling mount for receiving a first locking part and a locking mount for receiving a second locking part, wherein a locking element for locking the second locking part in the locking mount is at least associated with the locking mount, with the locking element being actuable by an adjustment actuator. The quick coupler can be electrically controllable, with the quick coupler having an electric drive for actuating the adjustment actuator for the locking element.

Abstract: A work vehicle including an attachment mechanism for attaching a backhoe to a vehicle body. The attachment mechanism includes a pin provided in the vehicle body, an engaging body provided in the backhoe and engageable with the pin, and a locking body for fixing the engaging body to the pin under mutually engaged state. As the engaging body comes into engagement with the pin, the engaging body and the pin are fixed under the mutually engaged state.

Abstract: A coupler for detachably coupling to a work tool is provided. The coupler includes a frame with a first aperture formed therein. The first aperture extends along a first axis inclined with respect to a transverse axis of the frame. The coupler further includes a first locking member provided within the first aperture. The coupler also includes an actuator configured to move the first locking member between an unlocked position in which first locking member is disengaged from the work tool, and a locked position in which the first locking member is engaged with the work tool.

Abstract: A coupler device for coupling an attachment to a mechanical arm of a machine or vehicle, comprising a main hitch body (2), an actuator (3) mounted to the main hitch body (2) and moveable relative to the main hitch body (2) and a front locking mechanism. The front locking mechanism comprises a first locking member (4) adapted to be pivoted by operation of the actuator (3) from an open position to a closed position to engage with a first pin or other means of an attachment to secure the attachment to the mechanical arm and a second locking member (6) provided on the main hitch body which is adapted to mount the actuator to the main hitch body when the first locking member is in its closed position such that the main hitch body prevents the first locking member (4) from pivoting into its open position.

Abstract: A quick coupler primary lock arrangement includes a fore-and-aft guided wedge arrangement carried by a cross shaft and is biased forwardly to a lock position by a first spring arrangement, and includes a secondary lock arrangement includes a locking pawl arrangement pivotally mounted to the cross shaft and biased, by a second spring arrangement, to a secondary lock position wherein the pawl arrangement includes a surface disposed in a confronting locking disposition relative to an abutment surface of a fixed plate of the coupler to thereby prevent rearward movement of the wedge arrangement from the lock position. A normally depressurized hydraulic cylinder is coupled to the pawl arrangement and when selectively pressurized overcomes spring biasing forces and pivots the pawl arrangement from the secondary locking position and then shifts the wedge arrangement rearward to a coupler release position. An electro-hydraulic control arrangement prevents unintentional operation of the hydraulic cylinder.

Abstract: A utility vehicle with adjustable wheel assemblies to accommodate different weight attachments selectively engageable with the vehicle. Adjustment assemblies are provided to engage each of the front wheel assemblies. Each adjustment assembly includes a guide plate, a first arm of a first length and a second arm of a second length. The operator will select the appropriate one of the first and second arms to secure to the guide plate and to one of the front wheel assemblies. The guide plates include holes therein for locking the selected one of the arms in a particular orientation. This is accomplished by inserting a pin through an aperture in the selected first or second arm and one of the holes in the guide plate. A first end of the selected first or second arm is secured to the guide plate and a second end thereof is engaged with the associated wheel assembly.

Abstract: An excavation machine and a coupler system for use on the excavation machine to allow a universal adaptor for the attachment of skid steer attachments to be joined directly to a working end of a main lifting boom of the excavation machine, the coupler system including a first coupler body having a first rearward portion and a first forward portion, the first rearward portion being connectable to the working end of the lifting boom, the first coupler body having a first mating arrangement, the coupler system further including a second coupler body that is secured or securable relative to the universal adaptor, the second coupler body having a second mating arrangement that is selectively securable to the first mating arrangement to selectively secure the universal adaptor directly relative to the working end of the lifting boom of the excavation machine thereby allowing the excavation machine to use both skid steer attachments such as an associated skid steer bucket attachment joined directly relative to the w

Abstract: A quick coupler includes a coupler body having a first hook, a lock member, a slidable second hook, a hydraulic cylinder, and a connecting pin connecting the cylinder and coupler body. The lock member is movable between locking and unlocking positions in which the lock member protrudes into and retracts from an opening of the first hook. The cylinder includes first and second end portions connected to the coupler body and the second hook, respectively. The cylinder extends and contracts to cause the second hook to slide away from and towards the first hook, respectively. The coupler body includes a support hole moveably supporting the connecting pin in an extension and contraction direction of the cylinder. The first end portion of the cylinder moves away from the second end portion within a movability range of the connecting pin to move the lock member from the unlocking to locking position.

Abstract: A quick-coupler for coupling a tool, including a coupling mount for receiving a first locking part and a locking mount for receiving a second locking part, wherein a securing element, which can be actuated by a pressure medium, is associated with the coupling mount for capturing and/or securing the first locking part in the coupling mount and a locking element, which can be actuated by a pressure medium, is associated with the locking mount for locking the second locking part in the locking mount. The securing element of the coupling mount can likewise be actuated by the pressure circuit for actuating the locking element of the locking mount, with the securing element being connected to the pressure circuit via a switching valve which is controllable by a sensor arranged at the coupling mount for detecting the locking part.

Abstract: An apparatus for mounting a tool to a powered vehicle including a support frame, at least one mounting bracket, a threaded shaft, and a carriage assembly. At least one mounting bracket extends from the support frame and is configured to mount to the powered vehicle. The threaded shaft has a first end journaled to the support frame and a second end journaled to the support frame. The carriage assembly has a plurality of connectors and is movingly connected to the support frame and the threaded shaft.

Abstract: A quick coupler (1) for attaching a tool (2), comprising an attachment bracket with two parallel attachment pins (3a, 3b), to an earth moving vehicle, where the quick coupler (1) comprises a frame (4) with a first cutout (5) and a second cutout (6) arranged substantially perpendicular to each other, which are adapted to cooperate with the respective attachment pin (3a, 3b) of the tool (2). The quick coupler (1) further comprises at least one, in relation to the frame (4) moveable locking arrangement (9), adapted to delimit the second cutout (6) in a direction parallel to the first cutout (5), whereby one of the attachment pins (3aq, 3b) of the tool is locked in the second cut-out (6) and at least one locking segment (18a, 18b) arranged to be rotated in relation to the frame (4) in at least a first and a second direction between different positions, whereby the locking segment (18a, 18b) in at least one position delimit the first cut-out (5) and locks the second of the attachment pins (3a, 3b) of the tool.

Abstract: A stretcher clamp mountable on a gurney designed to be quickly opened for inserting a cylindrical stretcher handle and then quickly closed. When closed, the stretcher clamp remains in a closed, locked position regardless of bumps and jolts received when the gurney is moved across rough terrain. When the gurney reaches its destination, the novel stretcher clamps are easily and reliably openable to release the stretcher handle therefrom. Unlike stretcher clamps of the prior art, the stretcher clamp of the invention is not prone to jamming caused by bending or other distortions during transit. The clamp has two major components: an elongated latch handle and an elongated handle retainer, both rotatively mounted in a rigid, U-shaped frame or base. These two components are interconnected by a linkage assembly that is rotatively connected to the elongated latch handle and the elongated handle retainer and positioned therebetween.

Abstract: A bucket attaching structure of a construction machine and a construction machine including a fixed jaw portion attached to a distal end portion of an operation arm and a movable jaw portion attached to a distal end portion of a piston through a bucket link. The fixed jaw portion and the movable jaw portion are each partially open and each include a semicircular arc-shaped engagement portion that corresponds to an outer peripheral surface of a corresponding bucket connecting pin. The bucket attaching structure of a construction machine and the construction machine include semicircular arc-shaped closure portions that each support the bucket connecting pins together with the semicircular arc-shaped engagement portions by, after engaging each semicircular arc-shaped engagement portion with the corresponding connecting pin, closing a partially open side of the corresponding semicircular arc-shaped engagement portion of the fixed jaw portion and that of the movable jaw portion.

Abstract: A quick coupler for coupling a tool like for example a scoop, shell grab or demolition tongs to a tool guide such as an excavator arm or the like, including a coupling receptacle for receiving a first locking part and a locking receptacle for receiving a second locking part, wherein to the coupling receptacle a self-locking securing element is associated for catching and/or securing the first locking part in the coupling receptacle, and to the locking receptacle a pressure-medium-actuatable locking element is associated for locking the second locking part in the locking receptacle. The self-locking securing element of the coupling receptacle likewise is actuatable by the pressure circuit.

Abstract: A coupling assembly couples a towed implement having a tongue to a vehicle having a pickup hitch. The coupling assembly includes a coupler manifold which is mounted to the vehicle and which supports vehicle couplers. An implement coupler frame is attached to the tongue, and an implement plate is movably coupled to the implement coupler frame. The implement plate supports implement couplers for mating engagement with the vehicle couplers. The manifold is engagable with the implement plate. Spring members are biased to urge the implement plate towards the manifold.

Abstract: A hydraulic system for an implement coupler assembly of a machine includes a coupler cylinder, a control valve connecting the coupler cylinder to a pressurized fluid source and a low pressure reservoir, and a sequence valve and a check valve connected in parallel between the coupler cylinder and the control valve. An implement cylinder provides a pilot pressure for the sequence valve. The coupler cylinder extends to a locked position when the control valve provides pressurized fluid through the check valve to a head end of the coupler cylinder. The coupler cylinder retracts to an unlocked position when the control valve provides pressurized fluid to a rod end of the coupler cylinder if the implement cylinder provides pilot pressure sufficient to open the sequence valve and connect the head end of the coupler cylinder to the low pressure reservoir.

Abstract: The coupler is mounted on the end of the boom of a boom-tractor, and provides secure locking-in of a bucket. The coupler having been set to its latched-open condition, the tractor is driven to the bucket so that a bottom-lug of the bucket enters the coupler, whereupon the bucket is picked up and is automatically securely locked into coupler, without any manipulation of the coupler being required of the tractor-driver other than manipulation of the boom. For setting the bucket down on the ground, after use, the driver manually pulls out a slider of the coupler. That action sets the coupler into its slider-held condition, whereby when the tractor is driven away from the bucket, the coupler is automatically left set in the said latched-open condition.

Abstract: A quick coupler for connecting an implement to a machine. The quick coupler including a frame, a first jaw pivotally connected to the frame and movable between an open position and a closed position, a second jaw pivotally connected to the frame and movable between an open position and a closed position, and a lock system connected to the first jaw and the second jaw. The lock system includes a first linkage pivotally connected to the frame and to the first jaw, a second linkage pivotally connected to the first linkage and to the second jaw, and a drive member connected to the first linkage and configured to selectively operate the lock system between an unlocked position and a locked position.

Abstract: A quick-coupler for coupling a tool such as an excavator bucket, a clamshell grapple or demolition shears to a tool guide such as an excavator arm or the like, includes a coupling mount for receiving a first locking part and a locking mount for receiving a second locking part, wherein a securing element, which can be actuated by a pressure medium, is associated with the coupling mount for capturing and/or securing the first locking part and a locking element, which can be actuated by a pressure medium, is associated with the locking mount for locking the second locking part in the locking mount. The securing element of the coupling mount can likewise be actuated by the pressure circuit for actuating the locking element of the locking mount, wherein a time control device is provided for reducing the actuation pressure built up at the securing element within a specific time duration.

Abstract: The invention relates to an attachment (14), in particular for construction equipment, comprising a frame (16) that can be attached via a coupling unit (21) to an implement (10) or an equipment carrier (12) of an implement (10); a tool (18) having two tool parts (22, 23); a joint (26) that is provided on the frame (16) and has a pin (28) on which the tool parts (22, 23) of the tool (18) can be pivotably mounted relative to one another; and a tool drive (20) attached to the frame (16) for moving at least one of the tool parts (22, 23) relative to the frame (16). Furthermore, the tool drive (20) is connected to the frame (16) via at least one first link device (34), and is connected to the tool parts (22, 23) via at least one second link device (36).

Abstract: A quick coupler for connecting an implement to an arm of a machine. The quick coupler includes a frame having a first plate and a second plate. A first and a second pair of recesses provided on the first and the second plates at a first end and a second end of the frame, respectively. A cover plate disposed between the first and the second plates and one or more lubrication lines having fittings attached to terminal ends of the lubrication lines. An external lubrication bank provided on at least one of the first or the second plate to support the fittings.

Abstract: A quick hitch coupler having an arrangement for releasably coupling a tool such as an excavator tool to the quick hitch coupler. The arrangement for releasably coupling the tool to the quick hitch coupler has tool pin engaging members on spaced apart portions of the main body of the quick hitch coupler. One of the tool pin engaging members has an associated latching member movably mounted on the main body of the quick hitch coupler between a tool pin locking position and a tool pin releasing position. The latching member has a lock movably mounted on the latching member for locking a tool pin onto the latching member quick hitch coupler in normal use.