Implements or apparatus for applying pushing or pulling force – Single throw lever – Mechanically actuated
Patent
1991-04-26
1993-01-05
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Single throw lever
Mechanically actuated
B66F 308
Patent
active
051763621
ABSTRACT:
A scissor jack having four aluminum arms of U-shaped cross section which are substantially identical and which may include a hollow aluminum lead screw. The threaded nut through which the lead screw is mounted may be made of glass fiber reinforced plastic as may the saddle which is adapted to engage the undercarriage of a vehicle.
REFERENCES:
patent: 2920871 (1960-01-01), Kolodin
patent: 3001567 (1961-09-01), Brill
patent: 4025054 (1977-05-01), Yamazaki
patent: 4366948 (1983-01-01), Hafner
patent: 4448392 (1984-05-01), Ladewski
patent: 4720082 (1988-01-01), Yang
patent: 4943034 (1990-07-01), Wagnor
Jarvis Glenn W.
Klingensmith James D.
Seksaria Dinesh
Aluminum Company of America
Brownlee David W.
Watson Robert C.
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