Lifting apparatus

Details Lifting apparatus Lifting apparatus

1992-02-10

1993-10-12

Werner, Frank E.

Material or article handling

Load engaging structure of elevator or hoist device with...

294 671, 414607, 187 9R, B65G 700

Patent

active

052520234

ABSTRACT:
Apparatus for supporting and lifting a load that includes a pair of spaced-apart, L-shaped forks. The horizontal leg of each fork contains a series of longitudinally-extended grooves formed in the load contacting top surface thereof. The grooves reduce the load contacting area of the top surfaces by about 40 percent thereby increasing the frictional forces acting between the load and the forks.

REFERENCES:
patent: 2659506 (1953-11-01), Watkins
patent: 3070248 (1962-12-01), Mitchell
patent: 3591028 (1971-07-01), McClung, Jr.
patent: 3709394 (1973-01-01), Strandberg
patent: 3734329 (1973-05-01), Grelck
patent: 3777923 (1973-12-01), Padgett
patent: 3897097 (1975-07-01), Davis, Jr.
patent: 3918600 (1975-11-01), Lyon

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