Abstract: A hydraulic system for depressurizing a work tool auxiliary circuit of a work machine. The system comprises: a power source; a reservoir of hydraulic fluid, a plurality of hydraulic lines, a pressure source, a control valve, a depressurize line connected to at least one of the plurality of hydraulic lines and the reservoir, the depressurize line includes an electromechanical valve for regulating the flow of hydraulic fluid in the depressurize line; a controller and a coupler switch comprising at least two throws and having three positions where one of the three positions actuates the electromechanical valve to depressurize the work tool auxiliary circuit. The hydraulic system can be provided as a kit to existing work machines for depressurizing the work tool hydraulic auxiliary circuit of a work machine.

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: An assembly for detachably connecting an implement to a boom of a machine is disclosed. The assembly may include a stick and a coupler. The stick may have a first end portion configured for pivotal connection to the boom. The stick may also have a second end portion narrower than the first end portion. The coupler may be configured for detachably connecting the implement to the second end portion of the stick.

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 coupler for holding an implement is disclosed. The quick coupler includes a frame having a first plate and a second plate. The quick coupler includes a locking system adapted to lock the implement in the first plate and the second plate. The locking system includes a securing latch member and a hydraulic actuator is operatively connected to the securing latch member. The securing latch member is configured to move along a guide provided in each of the first plate and the second plate. The locking system further includes a set of grooves provided on at least one of the securing latch member and the guide. The set of grooves are adapted to lock the securing latch member in a latched position.

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.