Grapple mechanism

Details Grapple mechanism Grapple mechanism

1982-03-15

1984-01-03

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414622, 414704, 414712, 414722, E02F 370

Patent

active

044239971

ABSTRACT:
A grapple operating mechanism (12) is attached to a vehicle (10), such as a front end loader, and includes a boom (26) rotatably attached to the vehicle (10) and a pipe and pole type grapple (11) attached to the other end of the boom (25). A boom actuating mechanism (29) is connected between the vehicle (10) and the boom (25) for moving the boom (25) relative to the vehicle (10) and a grapple actuating mechanism (33,35,36,37,38,40) is connected between the vehicle (10) and grapple to rotate the grapple (11) on the boom (25). The grapple actuating mechanism has one or more actuating cylinders (33) connected to a first set of arms (36) attached to the boom (25). A first linkage (37) is connected between the first set of arms (36) and a second set of arms (38) and a second linkage (40) is connected between the second set of arms (38) and the grapple (11), so that actuating the cylinder (33) will move the first and second arms (36, 38) and the first and second linkage (37, 40) to rotate the grapple (11) on the boom (25).

REFERENCES:
patent: 3182833 (1965-05-01), Lull
patent: 3369680 (1968-02-01), Peterson
patent: 3935953 (1976-02-01), Stedman
patent: 4156488 (1979-05-01), Stark

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