Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly comprises at least one first coupling portion and at least one second coupling portion disposed on a first jaw. The first coupling portion comprises an intermediate contact member and side contact members laterally extending from opposite sides of the intermediate contact member. A wear plate comprises a body element saddling the intermediate contact member, a pair of spaced apart first engagement elements extending from an end of the body, and a pair of spaced apart second engagement elements extending from an opposite end for engaging the side contact members. An active module is removably coupled to the second coupling portion and comprises a body member and a pair of braces disposed on opposite sides of the body member, wherein a brace extends over the second coupling elements. The wear plate may be replaced when worn out.

Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly may have a support portion centrally disposed on a second jaw. The support portion may have a first contact surface and an aperture disposed thereon. A work plate may be mounted on the support portion and may have a plate member in abutting contact with the support portion. The work plate may also have a tooth member and a boss extending in a direction opposite to the tooth member. The boss may be engaged to the aperture. The jaw assembly may have a pair of seating portions disposed on the second jaw, each seating portion having a slot. The jaw assembly may also have a work module mounted in each seating portion. The work module may have a base, a tooth, and a mounting element extending in a direction opposite to the tooth and engaging the seating portion.

Abstract: A hydraulically activatable work tool assembly for a machine is provided. The work tool assembly includes a first manifold assembly, a second manifold assembly, and a stator. The second manifold assembly is structured and arranged to rotate relative to the first manifold assembly. The second manifold assembly is in fluid communication with the first manifold assembly. The stator is disposed within the second manifold assembly and defines a mounting surface structured and arranged to abut a mounting pad. The stator defines a mounting surface structured and arranged to abut a base plate frame disposed proximal to the second manifold assembly. The stator includes a channel extended from the mounting surface along an axial length of the stator. Further, a plug is sealably positioned in the channel of the stator, corresponding to the plug being in an abutment relationship with the base plate frame.

Abstract: An extendable pressurized fluid coupler is disclosed. The extendable pressurized fluid coupler has a guiding portion having a central fluid channel. The extendable pressurized fluid coupler further has a piston having a central fluid channel, the guiding portion and the piston having a common central axis. The extendable pressurized fluid coupler also has a drive circuit for driving the piston. The piston is extendable with respect to the guiding portion. The guiding portion is arranged for guiding the piston along the central axis. The piston is arranged for connecting the pressurized fluid coupler to a corresponding coupler having a second fluid channel, so that a fluid passage for a main pressurized fluid circuit is established.

Abstract: A wear pack is disclosed for shielding a front end of a jaw set of a demolition tool. The wear pack may have a position portion provided on a bracket member for the alignment thereof prior to mounting. The wear pack may have a force transfer portion provided on the bracket member for the transfer of demolition forces to the front end of the jaw. The positioning portion may be contiguous with the force transfer portion.

Abstract: A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.

Abstract: A device to actuate a contamination cover on a machine bracket is disclosed. The device may include a first transition cylinder mounted on the machine bracket and connected to the contamination cover, a transition circuit connected to the first transition cylinder for transmission of hydraulic pressure to the first transition cylinder; and a transition sensor coupled to the transition circuit to control the transmission of hydraulic pressure to the first transition cylinder. The activation of the transition sensor may permit the transmission of hydraulic pressure to drive the first transition cylinder for transition of the contamination cover from a close to an open position.

Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly comprising at least one seating portion disposed on a second jaw. The seating portion having a slot; and at least one work module removably mounted in the at least one seating portion. The at least one first work module comprises a base; at least one tooth extending from the base; and a mounting element extending from the base in a direction opposite to the at least one tooth and engaging the seating portion. The work module may be replaced when worn out.

Abstract: A coupling arrangement for fluid coupling a worktool to a machine comprising at least one coupler assembly slideably mounted in a cavity for coupling a machine fluid circuit and a work tool fluid circuit, the coupler assembly partitioning the cavity to form a chamber; a diversion path connecting the machine fluid circuit to the chamber; and a check valve positioned in the diversion path for flow of fluid from the machine fluid circuit to the chamber to generate a force on the coupler assembly for maintaining the fluid coupling.

Abstract: A coupling arrangement for fluid coupling a work tool to a machine comprising at least one coupler assembly slideably mounted for coupling a machine fluid circuit and a work tool fluid circuit at a connect position; an actuation circuit arranged to actuate the at least one coupler assembly from a disconnect position to the connect position; and a sensor to detect presence of the work tool for activation of the actuation circuit.

Abstract: A coupling arrangement for fluid coupling a work tool to a machine comprising at least one coupler assembly slideably mounted for coupling a machine fluid circuit and a worktool fluid circuit; at least one actuator for retracting the at least one coupler assembly from a connect position to a disconnect position; and a sensor to detect the position of the at least one actuator for actuation of a locking device.

Abstract: A coupling arrangement for fluid coupling a work tool to a machine comprising a plurality of coupler assemblies slideably mounted in a plurality of corresponding cavities for coupling a machine fluid circuit and a work tool fluid circuit, the coupler assembles partitioning the cavities to form chambers; and a rail circuit connecting the chambers.

Abstract: In one aspect of a coupling device for securing a primary mover to a work tool may include first and second coupling bodies interconnectable to form a first connecting interface and a second connecting interface spaced apart from the first connecting interface. The coupling device may also include a rotary wedge member attached to the first coupling body and rotatable to progressively force together the first and second coupling bodies.

Abstract: A gripping member for a work tool is provided such that in one embodiment, the gripping (or cutting) member includes a top and bottom surface, and a first gripping edge extending between the top and bottom surfaces, and a overbite block located proximate to the first gripping edge.

Abstract: According to one exemplary aspect there is provided a work tool for attachment to a machine, comprising a supporting tool portion. The actuatable tool portion is pivotally connected to the supporting tool portion via a hinge construction. The hinge construction includes a hinge drive having an outgoing, rotatable shaft. The rotatable shaft has a single outgoing end that is configured to carry the actuatable tool portion. By providing the work tool with a hinge construction that includes a hinge drive with an rotatable shaft that carries the actuatable tool portion on a single outgoing end a directly driven hinge construction is obtained that is both compact and reliable. A hinge drive and method of operating a work tool for a machine are also disclosed.

Abstract: A coupling arrangement for coupling a work tool to a machine is disclosed. The coupling arrangement has a locking arrangement for locking the work tool to the machine. The coupling arrangement further has at least two fluid couplers arranged to be connected to each other for establishing a fluid passage between a main pressurized fluid circuit channel of a work tool and a main pressurized fluid circuit channel of a machine. The coupling arrangement further has a driving arrangement for driving at least one of the fluid couplers for connection to the other fluid coupler, the driving arrangement being separate from the main pressurized fluid circuit.

Abstract: An extendable pressurized fluid coupler is disclosed. The extendable pressurized fluid coupler has a guiding portion having a central fluid channel. The extendable pressurized fluid coupler further has a piston having a central fluid channel, the guiding portion and the piston having a common central axis. The extendable pressurized fluid coupler also has a drive circuit for driving the piston. The piston is extendable with respect to the guiding portion. The guiding portion is arranged for guiding the piston along the central axis. The piston is arranged for connecting the pressurized fluid coupler to a corresponding coupler having a second fluid channel, so that a fluid passage for a main pressurized fluid circuit is established.

Abstract: A gripping member for a work tool is provided such that in one embodiment, the gripping (or cutting) member includes a top and bottom surface, and a first gripping edge extending between the top and bottom surfaces, and a overbite block located proximate to the first gripping edge.

Abstract: The disclosure relates to a work tool for a machine and, more particularly, to such a work tool having an actuatable tool portion. According to one exemplary aspect of the disclosure there is provided a work tool for attachment to a machine, comprising a supporting tool portion. The actuatable tool portion is pivotally connected to the supporting tool portion via a hinge construction. The hinge construction includes a hinge drive having an outgoing, rotatable shaft. The rotatable shaft has a single outgoing end that is configured to carry the actuatable tool portion. By providing the work tool with a hinge construction that includes a hinge drive with an rotatable shaft that carries the actuatable tool portion on a single outgoing end a directly driven hinge construction is obtained that is both compact and reliable. The disclosure also relates to a hinge drive and to a method of operating a work tool for a machine.