Quick change device

Details Quick change device Quick change device

1992-07-09

1994-08-02

Crowder, Clifford D.

Earth working

With means to facilitate mounting of implement on motor vehicle

403327, 403326, 414723, 414703, 172443, A01B 5100, B25G 300, B60C 2300

Patent

active

053336950

ABSTRACT:
A quick change device for earth moving vehicles for changing working implements and separably connected to the vehicle via an adaptor pivotable about a horizontal axis and provided on a jib of the earth moving machine, the adaptor having displaceably mounted coupling members rigid with the housing and with which there are on the working implements coupling members rigid with the housing, the displaceably mounted coupling members of the adaptor being locking bolts which have conical coupling surfaces and with which there are associated on the working implement coupling members which have conical surfaces and which are constructed in supporting fashion only over a range of 180.degree. with the corresponding conical surfaces of the associated coupling members of the working implement which are rigid with the housing.

REFERENCES:
patent: 3498638 (1970-03-01), Magruder
patent: 3760883 (1973-09-01), Birk
patent: 3818551 (1974-06-01), Coughran, Jr.
patent: 4085856 (1978-04-01), Westendorf
patent: 4345872 (1982-08-01), Arnold
patent: 4549744 (1985-10-01), Herr et al.
patent: 4810162 (1989-03-01), Foster
patent: 4984958 (1991-01-01), Kaczmarczyk
patent: 5082389 (1992-01-01), Balemi

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