Screwing tool, particularly a screwdriver

Details Screwing tool, particularly a screwdriver Screwing tool, particularly a screwdriver

1992-04-09

1994-02-08

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81460, B25B 1348

Patent

active

052840751

ABSTRACT:
A screwing tool, particularly a screwdriver (1) or screwdriver bit, for polygonal socket screws (8), having flank sections (12) which are convex in circumferential direction; in order to optimize the transmission of force it is proposed that the flank sections (12, 12') be interrupted in the central region of each flank (11) by a non-convexly extending intermediate section (13/13').

REFERENCES:
patent: 2083092 (1937-06-01), Richer
patent: 2193477 (1940-03-01), DeVellier
patent: 3120251 (1964-02-01), York
patent: 3498173 (1970-03-01), Wright
patent: 4060115 (1977-11-01), Bocanegra Marquina
patent: 4269246 (1981-05-01), Larson et al.
patent: 4338835 (1982-07-01), Simons
patent: 4625598 (1986-12-01), Wolfram
patent: 4938731 (1990-07-01), Nguyen et al.
patent: 4970922 (1990-11-01), Krivec

Affiliated with

Also associated with

Rating

Screwing tool, particularly a screwdriver does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-692134