Ratchet screw driver

Details Ratchet screw driver Ratchet screw driver

1991-09-25

1992-09-01

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 632, B25B 1346

Patent

active

051429535

ABSTRACT:
A screw driver including a sleeve having a handle coupled to one end and having a number of teeth formed in the inner surface, a shaft rotatably received in the sleeve, a pawl rotatably engaged in the head, a rod rotatably received in the shaft, a spring and a ball received in the rod and the ball being biased to engage with the pawl, a knob engaged on the shaft, a post engaged through the knob and the shaft and the rod so that the rod can be rotated by the knob, and the pawl being caused to engage with the teeth of the sleeve when the rod is rotated in either direction.

REFERENCES:
patent: 4170909 (1979-10-01), Wagner
patent: 4770071 (1988-09-01), Steier
patent: 4901607 (1990-02-01), Beugelsdyk et al.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-760740