Implements or apparatus for applying pushing or pulling force – Multiple lifters
Patent
1978-08-08
1979-04-10
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Multiple lifters
254122, B66F 322
Patent
active
041484614
ABSTRACT:
A self-aligning scissor type jack for leveling a vehicle on a ground surface. The jack adjusts to sloping ground surfaces for leveling the vehicle thereon and preventing uneven loads being placed on the jack and the frame of the vehicle. The jack by design can be quickly bolted laterally across the rear of the vehicle frame thereby requiring a minimum time for installation. The jack further provides additional strength to the frame structure.
REFERENCES:
patent: 2567681 (1951-09-01), Schwartz et al.
patent: 2747836 (1956-05-01), Sherman
patent: 3669409 (1972-06-01), Eranosian
patent: 4041729 (1977-08-01), Bilz
Crabtree Edwin H.
Watson Robert C.
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