Vehicle linkage

Excavating – Snow or ice removing or grooming by portable device – Vehicle mount with obstacle responsive trip – or yieldable tool

Patent

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Details

1726845, 2804561, 2804611, E01H 504

Patent

active

055882323

ABSTRACT:
A linkage for coupling a vehicle to a ground-engaging implement consists of two links, the first link being connected at one end to the vehicle such that it can pivot both around the longitudinal axis of the link and around a line transverse to that axis and connected at its second end to the implement to pivot around a line transverse to its longitudinal axis; the second link being connected in a similar fashion but oppositely to the first link.

REFERENCES:
patent: 1858878 (1932-05-01), Byron
patent: 2191323 (1940-02-01), Richter
patent: 3098309 (1963-07-01), Koch
patent: 3150884 (1964-09-01), Drott
patent: 4565018 (1986-01-01), Oya
patent: 4976053 (1990-12-01), Caley
patent: 5037121 (1991-08-01), Gallatin
patent: 5111603 (1992-05-01), Knowlton et al.
patent: 5129170 (1992-07-01), Fusilli
patent: 5195261 (1993-03-01), Vachon
patent: 5364117 (1994-11-01), Keith

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