Swivel hitch structure

Details Swivel hitch structure Swivel hitch structure

1975-08-29

1977-08-30

Shedd, Wayne L.

Joints and connections

Articulated members

Lockable at fixed position

172457, 280460A, 280461A, F16C 1100

Patent

active

040451437

ABSTRACT:
A hitch structure for connecting in a swivelling mode implements, and particularly agricultural implements such as plows and the like, with pulling machines such as tractors. It comprises basically a guide attached to the pulling machine and, cooperating therewith, a supporting member for the end of the connecting arms of the implement. The supporting member is allowed to slide with respect to the guide in the pull force direction while concurrently rotating in a substantially horizontal plane. Locking means are provided which are effective to automatically prevent the supporting member from rotating when said implement is in its rest position.

REFERENCES:
patent: RE21989 (1941-12-01), Morkoski
patent: 2344474 (1944-03-01), Tanke
patent: 2430732 (1947-11-01), Orelind et al.
patent: 2611304 (1952-09-01), Toland
patent: 2793880 (1957-05-01), Oehler et al.
patent: 2935147 (1960-05-01), Edman et al.
patent: 3056458 (1962-10-01), Gray
patent: 3107736 (1963-10-01), Mellen
patent: 3321030 (1967-05-01), Thachuk
patent: 3731750 (1973-05-01), Brazell
patent: 3865404 (1975-02-01), Schwartz

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