Non-metallic laboratory jack

Details Non-metallic laboratory jack Non-metallic laboratory jack

2006-09-26

2006-09-26

Wilson, Lee D. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

C254S122000, C254S124000

Reexamination Certificate

active

07111825

ABSTRACT:
A non-metallic laboratory jack comprises two oppositely disposed reinforcing elements having I-beam cross-sectional configuration disposed in the central elevational region of the jack; a base position below the reinforcing elements and a load-bearing platform positioned above the reinforcing elements and a plurality of pairs of cross links. A rotatable threaded shaft associated with the reinforcing elements.

REFERENCES:
patent: 2071470 (1937-02-01), Marlowe
patent: 2508934 (1950-05-01), Berg
patent: 5139232 (1992-08-01), Bailey
patent: 5461736 (1995-10-01), Carpenter et al.
patent: 5503368 (1996-04-01), Torres
patent: 6286812 (2001-09-01), Cherry

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