Implements or apparatus for applying pushing or pulling force – Single throw lever – Special engaging feature
Patent
1976-03-26
1977-03-08
Smith, Al Lawrence
Implements or apparatus for applying pushing or pulling force
Single throw lever
Special engaging feature
B66F 1500
Patent
active
040109313
ABSTRACT:
A door lifting and holding tool which enables the user to lift and position a door with minimal amounts of effort comprising a frame member, a lever member pivotably affixed to a fulcrum means affixed to the frame, and means for elevating the frame above a supporting surface.
REFERENCES:
patent: 1234243 (1917-07-01), Williams
patent: 3642251 (1972-02-01), Niederholtmeyer
patent: 3833997 (1974-09-01), Kaddatz et al.
patent: 3871054 (1975-03-01), Schaefer
Farkas Robert D.
Smith Al Lawrence
Watson Robert C.
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