Snubber for dipper door

Details Snubber for dipper door Snubber for dipper door

1984-07-11

1985-05-21

Crowder, Clifford D.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

267153, 414726, E02F 346

Patent

active

045177562

ABSTRACT:
A snubber for use with a dipper to retard movement of the dipper door toward and away from an opening formed in the dipper. The snubber includes an elastic member and an actuator link. When the door is at a first angle with respect to the dipper, the elastic member is in tension to retard movement of the door toward the dipper. When the door is at a second angle with respect to the dipper, the elastic member is in bending to retard movement of the door away from the dipper. The snubber is inactive when the door is at an angle between the first and second angles.

REFERENCES:
patent: 146325 (1874-01-01), Eaton
patent: 2160432 (1939-05-01), Davidson
patent: 2434902 (1948-01-01), Burdick
patent: 2561518 (1951-07-01), Larsen
patent: 2604221 (1952-07-01), Edwards et al.
patent: 2641792 (1953-06-01), Peeler
patent: 2735559 (1956-02-01), Burdick et al.
patent: 2840253 (1958-06-01), Thompson
patent: 3583693 (1971-06-01), Johnston
patent: 3795392 (1974-03-01), Nemec
patent: 4006832 (1977-02-01), Auxer et al.
patent: 4063373 (1977-12-01), Greer et al.
patent: 4443957 (1984-04-01), Novotny et al.

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