Automatic tool mounting for excavators, loaders, graders and the

Details Automatic tool mounting for excavators, loaders, graders and the Automatic tool mounting for excavators, loaders, graders and the

1981-01-30

1983-11-29

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

371175, 172275, E02F 381

Patent

active

044178441

ABSTRACT:
An automatic tool holder for tools such as buckets, scoops and the like, for mounting on equipment such as graders, back hoes, excavators, chargers, etc. The tool and tool holder are provided with mating sets of lugs and recesses, one set being disposed on each of the tool and tool holder. The lugs and recesses are offset from each other in three dimensions, for strength and stability and also to permit free disengagement of the tools from the tool holder by relative movement in one direction. A spring-urged locking lever on one of the tool or tool holder snaps behind a corresponding locking abutment on the other of the tool or tool holder, when the lugs are fully engaged in the recesses, to retain the tool in assembled relation. A fluid-actuated jack is selectively operable to swing the lever out of locking position, to release the tool.

REFERENCES:
patent: 3237795 (1966-03-01), Kromer
patent: 3512665 (1970-05-01), Westendorf
patent: 3718222 (1973-02-01), Foster
patent: 3876092 (1975-04-01), MacDonald
patent: 4251181 (1981-02-01), Drott et al.

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