Power lift for a lifting device

Details Power lift for a lifting device Power lift for a lifting device

1987-02-05

1987-12-29

Spar, Robert J.

Material or article handling

Vertically swinging load support

112443, 112448, 280460A, 414920, B66C 100

Patent

active

047157704

ABSTRACT:
A power lift system includes a lifting device with lower links. The lower links are connected to a frame of the tractor by arms of an upper link. The lower links may be either vertically pivotably or rigidly coupled to the arms. The arms may be either rigidly or vertically pivotably connected to the tractor frame. The height and the lifting range of the lower links is variable.

REFERENCES:
patent: 3031208 (1962-04-01), Abbott
patent: 3214138 (1965-10-01), Jocher et al.
patent: 3285625 (1966-11-01), Krueger
patent: 3441091 (1969-04-01), Helling
patent: 4424870 (1984-01-01), Weiss
patent: 4519623 (1985-05-01), Orthman
patent: 4558881 (1985-12-01), Manteufel

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