Lifting jack

Details Lifting jack Lifting jack

2006-09-05

2006-09-05

Watson, Robert C. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

Reexamination Certificate

active

07100898

ABSTRACT:
A lifting jack includes a lifting mechanism pivoted to a base and a support bracket member so as to lift or lower the support bracket member relative to the base, a driving shaft journalled on a right link pin to be rotated so as to move a left link pin relative to the right link pin, a reflecting member hinged to the base so as to enable the reflecting member to be displaced from a folded position to an unfolded position and to be disposed to reflect images of an object lifted by the support bracket member. Preferably, a lighting device is disposed to illuminate a desired area of the object. Two limit switches are disposed to prevent excess movement of the bracket support member.

REFERENCES:
patent: 5707043 (1998-01-01), Yoshida

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