Quick-change coupler

Details Quick-change coupler Quick-change coupler

1984-04-06

1986-12-30

Husar, Cornelius J.

Joints and connections

Biased catch or latch

Pivoted

403322, 403353, 403 92, 414723, 292108, F16B 2102

Patent

active

046325956

ABSTRACT:
A quick-change coupler for the work implements of an excavator beam with an adjustable support frame (4) at the beam, said support frame receiving by means of a hook jaw a cross-pipe fixed to the tool. The hook (6) widens starting at its tip and is provided on its backside with a slanted surface (7) cooperating with a corresponding bevel (23) at the tool in order that, after the engagement between hook and cross-pipe (21) and further pivoting of the support frame (4), this support frame be automatically centered until it is locked with respect to the tool.

REFERENCES:
patent: 3934738 (1976-01-01), Arnold
patent: 4136792 (1979-01-01), Wilson
patent: 4187050 (1980-02-01), Barbee
patent: 4214840 (1980-07-01), Beales
patent: 4436477 (1984-03-01), Lenertz et al.
patent: 4452560 (1984-06-01), Coyle et al.
patent: 4496260 (1985-01-01), Brunn

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