Quick coupling arrangement for excavator buckets and the like

Details Quick coupling arrangement for excavator buckets and the like Quick coupling arrangement for excavator buckets and the like

1993-06-23

1995-07-11

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

37468, 172275, 403324, E02F 336

Patent

active

054315280

ABSTRACT:
A quick coupling apparatus for detachably securing an implement such as a bucket, air or hydraulic hammer, tamper or any other attachment to a vehicle having a lifting and tilting mechanism such as an excavator. The apparatus includes a pair of hinge plates secured to the implement and two associated link assemblies adapted for mounting on the lifting and tilting mechanism of the vehicle and which engage and disengage the hinge plates to detachably secure the implement to the vehicle.

REFERENCES:
patent: 3556323 (1971-01-01), Heimmermann
patent: 3760883 (1973-09-01), Birk
patent: 4013182 (1977-03-01), Pratt et al.
patent: 4116347 (1978-09-01), Uchida
patent: 4204794 (1980-05-01), Aoshiba
patent: 4214840 (1980-07-01), Beales
patent: 4243356 (1981-01-01), Takojima
patent: 4452560 (1984-06-01), Coyle et al.
patent: 4787811 (1988-11-01), Langenfeld
patent: 4854813 (1989-08-01), Degeeter
patent: 4986722 (1991-01-01), Kaczarczyk et al.
"Excavator Quick Coupler", Weldco-Beales Nov. 1986 2 pages.
"Cat's Versa-Link System for Caterpillar Exacavators" Catapillar Inc., Jan. 1987 4 pages.
"Performance plus Excavator Buckets--Quick Couplers" Balderson Inc., Dec. 1989 4 pages.
Craig's Machine Shop Ltd, 2 pages, Feb. 1990.

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