Screwdrivers

Details Screwdrivers Screwdrivers

1993-11-02

1995-10-17

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81 581, B25B 2308

Patent

active

054580307

ABSTRACT:
A screwdriver, or an adaptor for fitment to a screwdriver, having a shaft portion and drive blade and sleeve device slidably mounted on the shaft portion so that it can extend beyond the end of said drive blade in order to prevent the screwdriver blade from slipping off a screw and to enable the screw to be driven with substantial force from the start. The sleeve may also be rotationally coupled with the shaft portiion.

REFERENCES:
patent: 2688991 (1954-09-01), Doyle
patent: 3361169 (1968-01-01), Charchenko
patent: 3392767 (1968-07-01), Stillwagon
patent: 4736658 (1988-04-01), Jore
patent: 4800788 (1989-01-01), Goldstein
patent: 5029498 (1991-07-01), Kinsey

Affiliated with

Also associated with

Rating

Screwdrivers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Screwdrivers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Screwdrivers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-589494