Connectors

Details Connectors Connectors

1979-05-16

1982-01-19

Blix, Trygve M.

Material or article handling

Vertically swinging load support

Shovel or fork type

37103, E02F 381

Patent

active

043114288

ABSTRACT:
A system including a hitch adapted for pivotal connection to a boom or dipperstick and including a downwardly projecting hook, and cooperating structure secured to a materials handler and having a cross-member for engaging the hook. A bearing plate secured to the body of the hitch above the hook defines a downwardly-facing bearing surface and engages an upwardly-facing bearing surface secured to the materials handler cooperating structure. In one embodiment, the hitch and materials handler are relatively rotatable about a pin assembly which both connects the relatively rotatable hitch portions and forms the hydraulic cylinder carrying a piston controlling a locking pin.

REFERENCES:
patent: 2447150 (1948-08-01), Anderson
patent: 3389819 (1968-06-01), Schumacher
patent: 3512665 (1970-05-01), Westendorf
patent: 3556323 (1971-01-01), Heimmermann
patent: 3934738 (1976-01-01), Arnold
patent: 4127203 (1978-11-01), Arnold

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