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Class Information
Number: 254/222
Name: Implements or apparatus for applying pushing or pulling force > Portable implements or apparatus for tensioning flexible material or for extracting stumps or poles > Including rotatably driven drum for engaging either material or force transmitting cable > With means for preventing or retarding rotation in at least one direction
Description: Implements or apparatus including means (e.g., a shiftable stop or lock) for preventing or retarding movement of the drum about its axis in at least one of its directions of rotation.

Sub-classes under this class:

Class Number Class Name Patents
254/223 Ratchet wheel or formation and pawl 69

Patents under this class:

Patent Number Title Of Patent Date Issued
8550436 Spindle for a winch Oct. 8, 2013
8336861 Clutchable winch Dec. 25, 2012
7678085 Injection device Mar. 16, 2010
7258324 Ratcheting winch with a magnetically biased pawl Aug. 21, 2007
7108246 Winch for cargo tie-down straps Sep. 19, 2006
6899320 Chain link fence tightening assembly May. 31, 2005
6178603 Wire tensioning apparatus Jan. 30, 2001
5842659 Lever actuator Dec. 1, 1998
5681005 Lever actuator Oct. 28, 1997
4910444 Braking arrangement for a motor-driven cable reel Mar. 20, 1990
4293121 Winch arrangement Oct. 6, 1981
4171796 Utility winch Oct. 23, 1979
3985341 Winch-type tensioning device Oct. 12, 1976

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