Implements or apparatus for applying pushing or pulling force – Screw – Geared
Patent
1977-02-03
1978-12-12
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Screw
Geared
B66F 318
Patent
active
041292863
ABSTRACT:
A vehicle lifting jack has a hollow support leg with a slot extending axially along one side thereof, and a load bearing member is slidably mounted within the leg and projects through the axial slot. The load bearing member is displaced vertically by rotation of a threaded spindle that is driven by a driving pinion and a gear wheel meshed therewith. The gear wheel is associated with an axial bearing that engages a bearing plate, and the bearing plate is mounted at the upper end of the support leg by engagement between projections of the bearing plate and an upwardly open depression at, and a transverse slot near, the top of the support leg.
REFERENCES:
patent: 3927864 (1975-12-01), Meierkort et al.
Firma August Bilstein
Watson Robert C.
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