Hollow trunnions for scissor jacks

Details Hollow trunnions for scissor jacks Hollow trunnions for scissor jacks

1993-07-01

1994-10-18

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

B66F 308

Patent

active

053561171

ABSTRACT:
Hollow trunnions for a scissors type jack which allows a lighter jack to be produced. The hollow trunnion may be formed into a hollow tube and welded and formed with openings for the lead screw. The hollow trunnion may also be formed from solid tubing. A flatted portion may be formed on the trunnion to provide a bearing surface. A modification provides a U-shaped bracket which attaches to the hollow trunnion and which carries a nut through which the screw extends.

REFERENCES:
patent: 4583713 (1986-04-01), Fukura et al.
patent: 4771986 (1988-09-01), Nasu
patent: 5117546 (1992-06-01), Lawrence et al.

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