Contraction tool

Details Contraction tool Contraction tool

2006-04-18

2006-04-18

Bryant, David P. (Department: 3729)

Metal working

Means to assemble or disassemble

Means to assemble electrical device

C029S757000, C029S758000, C029S764000, C029S278000

Reexamination Certificate

active

07028393

ABSTRACT:
A contraction tool includes a main body, and a pressing unit mounted on the main body. The pressing unit includes two press plates each having an upper section formed with a positioning recess and a lower section formed with a tapered face. The contraction tool further comprises a push rod moved relative to the main body and inserted into the positioning recesses of the two press plates of the pressing unit, and an urging member mounted on the push rod to move therewith synchronously and inserted between the tapered faces of the two press plates of the pressing unit. Thus, the contraction tool has an enhanced pressing force and is operated easily and conveniently.

REFERENCES:
patent: 3757406 (1973-09-01), Bezar
patent: 5479669 (1996-01-01), Chen
patent: 5647119 (1997-07-01), Bourbeau et al.
patent: 5875544 (1999-03-01), Chou
patent: 5934137 (1999-08-01), Tarpill
patent: 6272738 (2001-08-01), Holliday et al.
patent: 6293004 (2001-09-01), Holliday
patent: 05234658 (1993-09-01), None

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