Jack

Details Jack Jack

1992-03-27

1993-02-09

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

411433, 411908, B66F 312

Patent

active

051848066

ABSTRACT:
A jack (1) has a flat base (2) attached to a support (3) at the top by a lever-operated mechanism. The mechanism is activated by a threaded shaft (5) and nut (6). The nut has a coaxial gudgeon (10 & 11) on each side. The gudgeons extend across the axis (22) of an interior-threaded section. The nut consists of two halves (13 & 14). The halves fit together at a flat interface (15). The interface parallels both the axis (21) of the gudgeons and the axis (22) of the threaded section (23).

REFERENCES:
patent: 3989225 (1976-11-01), Keilholz
patent: 4657458 (1987-04-01), Woller et al.

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