Implements or apparatus for applying pushing or pulling force – Vehicle-body lifters
Patent
1978-09-20
1980-08-12
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Vehicle-body lifters
254 86H, B66F 726
Patent
active
042169399
ABSTRACT:
A leveling and support system for recreational vehicles uses fluid cylinders located at predetermined positions on the recreational vehicle, driven by a master cylinder through a valving control system. The piston of the master cylinder is actuated by a motor driven or hand crank driven screw mechanism, so that a recreational vehicle can be supported or leveled by a single drive unit with controls operated from a single control position.
REFERENCES:
patent: 2021733 (1935-11-01), Luker
patent: 3489428 (1970-01-01), Hunter et al.
patent: 3764109 (1973-10-01), Hollis
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