Jacks having a detachable rear-end handle

Details Jacks having a detachable rear-end handle Jacks having a detachable rear-end handle

2005-05-31

2005-05-31

Watson, Robert C. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

C254SDIG003, C254S001000

Reexamination Certificate

active

06899319

ABSTRACT:
A jack having a detachable rear-end handle comprises a wheeled jack and a hand-held ring. Two sidewalls of the jack are each provided with a pair of blocking pieces respectively mounted on an upper location and a lower location about a screw nut of a rear shaft. The hand-held ring can be coupled to screw nuts of a rear shaft. The blocking pieces further restrict the rotation of the hand-held ring. The connection of the hand-held ring at the rear end of the jack not only facilitates carrying the jack but also controlling the movements of the jack to a proper lift point.

REFERENCES:
patent: 4714013 (1987-12-01), Telfer
patent: 4964617 (1990-10-01), Lawrence
patent: 6848673 (2005-02-01), McLaughlin et al.

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