Implements or apparatus for applying pushing or pulling force – Screw – Special engaging feature
Patent
1976-01-28
1977-04-05
Jones, Jr., James L.
Implements or apparatus for applying pushing or pulling force
Screw
Special engaging feature
254DIG1, B66F 1300
Patent
active
040158250
ABSTRACT:
A tiltable jack is provided. A cylindrical pivot pin is disposed between a jack housing and a base member. A bowed leaf spring urges the jack housing toward and into an upright position. Tangs on the spring and abutments on the base member retain the pivot pin in a desired location.
REFERENCES:
patent: 1268410 (1918-06-01), Weber
patent: 1810657 (1931-06-01), Kohler
patent: 1810667 (1931-06-01), Larson et al.
patent: 3881692 (1975-05-01), Clarke
Graafsma Richard S.
Nehrig R. Harlan
Auto Specialties Manufacturing Company
Jones Jr. James L.
Watson Robert C.
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