Handling: hand and hoist-line implements – Hand bars and hand barrows
Patent
1978-07-24
1980-09-23
Marbert, James B.
Handling: hand and hoist-line implements
Hand bars and hand barrows
294 34, 29278, 29764, B65G 702
Patent
active
042239346
ABSTRACT:
An insertion-extraction tool to apply forces with mechanical advantage in the insertion and extraction of printed circuit boards into and out of an apparatus housing includes connecting means to secure the tool to the apparatus housing and engaging means to link with the printed circuit board being inserted and extracted.
REFERENCES:
patent: 3137065 (1964-06-01), Harris
patent: 3178214 (1965-04-01), Tinkeleberg
patent: 3484129 (1969-12-01), Askren
patent: 3617083 (1971-11-01), Koppensteinby
patent: 3903596 (1975-09-01), Stein
patent: 4152827 (1979-05-01), Walton
Cauceglia Walter B.
Dieterle Walter H.
Fay Gerald B.
Bell Telephone Laboratories Incorporated
Marbert James B.
Steinmetz Alfred G.
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