Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1993-03-03
1994-12-06
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Assembling or joining
29240, 81 5739, B21D 3900
Patent
active
053698673
ABSTRACT:
For tightening or loosening a threaded connector which has a part to be turned with a plurality of engaging formations, a power tool is utilized in which at least two pawls engage the engaging formations and are displaced to turn the part which is to be turned, and at the same time the pawls are arranged so that a distance between the pawls is smaller than the distance between the engaging formations so as to reduce a power stroke of the drive of the power tool.
REFERENCES:
patent: 3527327 (1970-09-01), McCreary
patent: 3557644 (1971-01-01), Gregory
patent: 3880024 (1975-04-01), Asada
patent: 4604919 (1986-08-01), Rollo
Koppenhoefer Peter
Spirer Steven
Bryant David P.
Rosenbaum Mark
Striker Michael J.
Unex Corporation
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