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Class Information
Number: 254/375
Name: Implements or apparatus for applying pushing or pulling force > Apparatus for hauling or hoisting load, including driven device which contacts and pulls on cable > Device includes rotatably driven, cable contacting drum > Including means for preventing or retarding rotation of drum in at least one direction
Description: Including means for preventing or retarding rotation of drum in at least one direction: Apparatus including means for either preventing movement of the drum about its axis in at least one of its directions of rotation or for slowing down the rotational speed of the drum.

Sub-classes under this class:

Class Number Class Name Patents
254/377 Fluid resistance brake 39
254/378 Frictional brake assembly having rotating, wheel structure and shiftable shoe or band 69
254/376 Ratchet wheel or formation and locking pawl 79

Patents under this class:
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Patent Number Title Of Patent Date Issued
8192126 Mobile hoist system Jun. 5, 2012
8052124 Elevator brake with composite brake hub Nov. 8, 2011
8025130 Roller disk brake for a winch Sep. 27, 2011
7967237 Method and apparatus for fast deploying and retrieving of towed bodies Jun. 28, 2011
7946559 Cable drive assembly May. 24, 2011
7806386 Winch and braking device thereof Oct. 5, 2010
7780146 Retrieval assembly Aug. 24, 2010
7568559 Braking device for a power winch Aug. 4, 2009
7374153 Dual braking device for a power winch May. 20, 2008
7226038 Load arrestor, lifting system and method Jun. 5, 2007
7222700 Roller disk brake for a winch May. 29, 2007
7222697 Elevator May. 29, 2007
7165653 Elevator gearless traction machine construction Jan. 23, 2007
7118095 Lifting reel mounted on a tree stand Oct. 10, 2006
7090055 Boat lift brake apparatus Aug. 15, 2006
7080824 Chain motor drive controller Jul. 25, 2006
7080825 Chain motor drive control system Jul. 25, 2006
6923394 Reeling device for a hoisting system Aug. 2, 2005
6883784 Boat lift using one-way clutch Apr. 26, 2005
6572083 Winch with safe load release system Jun. 3, 2003
6547219 Safety latch for a tire carrier and improvements therefor Apr. 15, 2003
6520486 Braking device for motive winch Feb. 18, 2003
6446936 Safety apparatus for horizontal lifeline Sep. 10, 2002
6149132 Safety apparatus for horizontal lifeline Nov. 21, 2000
6102371 Strap tensioning and collecting device Aug. 15, 2000
6095500 Winch device Aug. 1, 2000
6092790 Safety latch for a tire carrier and improvements therefor Jul. 25, 2000
6029951 Control system for drawworks operations Feb. 29, 2000
5971364 Hoist and traction apparatus Oct. 26, 1999
5957432 Safety apparatus for horizontal lifeline Sep. 28, 1999
5944150 Hoist gear with a brake Aug. 31, 1999
RE36216 Winch having automatic brake Jun. 1, 1999
5718411 Anti-theft device for a spare tire carrier Feb. 17, 1998
5692733 Winding machine stopping method Dec. 2, 1997
5664766 Winch with reverse rotation protection Sep. 9, 1997
5556078 Manual hoist and traction machine Sep. 17, 1996
5429339 Rope traction device Jul. 4, 1995
5402986 Positive drive winch Apr. 4, 1995
5398923 One-way winch brake Mar. 21, 1995
5364074 Latching winch suitable for flagpoles Nov. 15, 1994
5344121 Safety winch Sep. 6, 1994
5340085 Log lifting and supporting device Aug. 23, 1994
5273257 Apparatus for controlling movement of a tether in a conduit Dec. 28, 1993
5261646 Winch having automatic brake Nov. 16, 1993
5238200 Power driven winding device with spool axially movable to engage a clutch Aug. 24, 1993
5228661 Spare tire carrier and winch Jul. 20, 1993
5201821 Disc brake elevator drive sheave Apr. 13, 1993
5167400 Has invented certain and useful improvements in control device for lifting winches, in particular for drilling rigs Dec. 1, 1992
5031880 Rope traction device Jul. 16, 1991
5002259 Power winch system Mar. 26, 1991

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