UNT Libraries Government Documents Department - 651 Matching Results

Search Results

Wrench.

Description: Patent for improvements “in axle-nut wrenches in which the wrench comprising an angular socket portion adapted to extend partially within the wheel-hub to engage the nut,” (lines 81-83) so that the nut may be unscrewed by rotating the wheel. Illustration is included.
Date: April 15, 1902
Creator: Haines, Samuel Alfred

Wrench.

Description: Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
Date: December 15, 1896
Creator: Tiner, John F.
Back to Top of Screen