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Class Information
Number: 81/155
Name: Tools > Wrench, screwdriver, or driver therefor > Slidable jaw adjustments > Thread
Description: The sliding part is adjusted by means of a threaded device.

Sub-classes under this class:

Class Number Class Name Patents
81/156 Displaceable half nut 4
81/157 Displaceable nut or screw 19
81/159 Interrupted 6
81/ Nontraveling rotatable nut 0
81/170 Nontraveling rotatable screw 78
81/163 Right and left threads 17
81/164 Rotatable threaded handle shank 9
81/165 Sliding side jaw 104
81/173 Traveling and rotating nut 10
81/175 Traveling and rotating screw 15

Patents under this class:

Patent Number Title Of Patent Date Issued
8424421 Jog-shuttle type ratchet wrench Apr. 23, 2013
7721629 Adjustable ratchet May. 25, 2010
7661167 Positioning member for securing movable jaw of adjustable wrench during surface grinding process Feb. 16, 2010
7389713 Adjustable socket for use with a socket wrench Jun. 24, 2008
7174813 Adjustable wrench Feb. 13, 2007
7062996 Automatically adjusting gripping device Jun. 20, 2006
7010999 Bi-directional adjustable spanner with a driving roller Mar. 14, 2006
6752047 Ratchet wrench with adjustable working size Jun. 22, 2004
6314842 Crescent wrench Nov. 13, 2001
6279429 Adjustable wrench Aug. 28, 2001
6220124 Fire hydrant wrench Apr. 24, 2001
6116121 Wrench with restrained adjustable jaw Sep. 12, 2000
6112397 Method of applying torque to a CPU fan unit Sep. 5, 2000
5771761 Spring pivoted, ratcheting lever wrench Jun. 30, 1998
5676027 Device to unscrew caps or stoppers Oct. 14, 1997
5507210 Toggle joint band wrench apparatus Apr. 16, 1996
5048380 Adjustable wrench Sep. 17, 1991
4987805 Adjustable eyebolt key Jan. 29, 1991
4787275 Adjustable double-ended box wrench Nov. 29, 1988
4766786 Adjustable wrench Aug. 30, 1988

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