Installation tool for a threaded object

Details Installation tool for a threaded object Installation tool for a threaded object

2011-03-29

2011-03-29

Meislin, D. S (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S453000, C081S454000

Reexamination Certificate

active

07913593

ABSTRACT:
A tool for installing a threaded object includes a bit or inner implement that has a tip for engaging a head of the threaded object, and a sleeve surrounding the inner implement for securing the threaded object to the tool during the installation process. The sleeve includes plural arms at least some of which have inner lips that engage the head of the threaded object to hold the head against the tip. The inner lips are chamfered to facilitate engagement and disengagement between the sleeve and the head of the threaded object. The sleeve is able to translate to a limited extent relative to the inner implement, in order to pull back and disengage from the threaded object head as the threaded object is received into a threaded opening.

REFERENCES:
patent: 881298 (1908-03-01), Chappel
patent: 1441956 (1923-01-01), Watson
patent: 1712196 (1929-05-01), Burger et al.
patent: 3245446 (1966-04-01), Morifuji
patent: 3373639 (1968-03-01), Van Dalen et al.
patent: 4744273 (1988-05-01), Bartok, Jr.
patent: 7069826 (2006-07-01), Tilton
patent: 2008/0041196 (2008-02-01), Companioni et al.

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