Coupler device to connect bucket or tool to boom arm

Details Coupler device to connect bucket or tool to boom arm Coupler device to connect bucket or tool to boom arm

2011-08-30

2011-08-30

Kennedy, Joshua T (Department: 3679)

Joints and connections

Manually releaseable latch type

Having operating mechanism

C403S031000, C037S468000

Reexamination Certificate

active

08007197

ABSTRACT:
A coupler device for releasably connecting a boom arm to a tool such as a bucket including a coupling frame adapted for connection to the boom and having wedge members on opposite sides thereof, these members being provided to engage in channels formed by connecting members on the tool. A fluid actuated holding mechanism is provided to secure the wedge members in the channels, this mechanism including a holder pivotably mounted on the frame and a fluid actuator connected to the holder at one end and to the frame at an opposite end. The coupler device includes a locking pin mechanism for locking the wedge members in the channels, this mechanism including at least one locking pin movably mounted in the frame for movement between a locked position and an unlocked position and, optionally, a linear fluid actuator mounted on the frame and having a hydraulic cylinder.

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Nye Product Guide, 2007, pp. 1, 12.

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