Manually operated coupler

Details Manually operated coupler Manually operated coupler

2011-01-11

2011-01-11

Underwood, Donald (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C037S468000, C403S321000

Reexamination Certificate

active

07866935

ABSTRACT:
A coupler for use with an excavator provides a hook with a mouth which receives a cross bar of an implement such as a bucket at an upper end. Towards a bottom end the coupler receives an extension through an opening. The extension is then retained by a pin through a bore in the extension and a bore in a body of the coupler. The mouth of the hook is provided with at least one wear pad which preferably extends along a substantial width of the mouth and is provided with adjustment members which can extend the wear pad into the mouth incrementally and/or to be tensioned against a cross bar with a selected amount of tension.

REFERENCES:
patent: 4462172 (1984-07-01), Caron
patent: 5791863 (1998-08-01), Droegemueller
patent: 5966850 (1999-10-01), Horton
patent: 6499934 (2002-12-01), Kaczmarski et al.

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