Fluid-operated power tool

Details Fluid-operated power tool Fluid-operated power tool

2005-08-09

2005-08-09

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057360, C081S057240

Reexamination Certificate

active

06925911

ABSTRACT:
A fluid-operated power tool has a drive including a fluid-operator cylinder-piston unit, a first housing accommodating the drive, a lever-drive mechanism connected with the drive and powered by the latter and also engageable with a fastener for bolting applications, a second housing accommodating the lever-drive mechanism, the housings being interconnected so as to turn a fastener when the lever-drive mechanism is connected to the fastener and powered by the drive, and a connection for releasably connecting the housings with one another so that the housings are connectable with one another and disconnectable from one another, the connection including a female portion provided in one of the housings and a male portion provided in the other of the housings and engageable with the female portion for operatably connecting the first housing and the second housing with one another without subsequently requiring additional pins, screws and other means to provide a connection between the housings.

REFERENCES:
patent: 523238 (1894-07-01), Ferguson
patent: RE33951 (1992-06-01), Junkers
patent: 6260444 (2001-07-01), Junkers
patent: 6427559 (2002-08-01), Junkers

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