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Class Information
Number: 254/213
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
Description: Implements or apparatus including a driven drum which rotates about an axis fixed relative to another portion of the implement or apparatus, and which winds about its axis, or otherwise engages and pulls, either (1) the flexible member or (2) a cable which is (a) adapted to be connected to, or (b) attached to a portion of the implement or apparatus which is adapted to be connected to, the flexible member or article.










Sub-classes under this class:

Class Number Class Name Patents
254/219 Having intermeshing gears for driving drum 7
254/216 Having pressure element spaced therefrom to confine material or cable thereagainst 14
254/217 Having ratchet wheel and interengaging pawl for driving drum 37
254/214 Plural drums or drum with plural distinct sections 12
254/224 With adjustable gripping device for attaching drum to rigid, in situ structure 5
254/227 With ground-engaging support means 15
254/225 With material or cable contacting infeed guide 9
254/222 With means for preventing or retarding rotation in at least one direction 13
254/221 With projections or apertures on drum for engagement with complementary formations on material or cable 14


Patents under this class:

Patent Number Title Of Patent Date Issued
8567470 Method and apparatus for removing a film from a surface Oct. 29, 2013
8567764 Well pump puller Oct. 29, 2013
8567765 Well pump extractor Oct. 29, 2013
8079116 Tie-down strap device Dec. 20, 2011
7967237 Method and apparatus for fast deploying and retrieving of towed bodies Jun. 28, 2011
7959760 Automated glued down carpet remover improvements Jun. 14, 2011
7942360 Retractable tow strap May. 17, 2011
7681286 Device for storing a cargo strap Mar. 23, 2010
7669400 Rotor reversing mechanism Mar. 2, 2010
7654298 Apparatus for removing a flexible floor covering from a floor Feb. 2, 2010
7618022 Tensioning device for use at a stand for clamping a rod-shaped unit, particularly a Christmas tree, and a stand with a tensioning device Nov. 17, 2009
7509711 Stress-indicating rope-tightening apparatus Mar. 31, 2009
7384498 Carpet removal system and method Jun. 10, 2008
7231693 Strap-tensioning device with tension indicator Jun. 19, 2007
7219396 Belt tightening device with display for displaying tension May. 22, 2007
7100901 Tension ratchet with a belt magazine, and belt magazine Sep. 5, 2006
7032886 Carpet removal system Apr. 25, 2006
6938881 Manual marine winch with lead in webbing strap Sep. 6, 2005
6820862 Wire strainer Nov. 23, 2004
6499723 Portable detachable side mounting load strap rotary tensioning device Dec. 31, 2002
6494435 Spring-loaded safety winch for load restraint system Dec. 17, 2002
6431487 Spooler Aug. 13, 2002
6193218 Cable pulling machine Feb. 27, 2001
6004426 Carpet stripping apparatus and method Dec. 21, 1999
5853164 Track supported winch and method of making the same Dec. 29, 1998
5655267 Wire tightening apparatus Aug. 12, 1997
5217208 Constant tension winch having an anti-theft mechanism Jun. 8, 1993
5154400 Line-stretching tool for a line strainer Oct. 13, 1992
5133532 Method and apparatus for controlling tension in a strap loop Jul. 28, 1992
5102101 Strand tensioning tool Apr. 7, 1992
5018708 Winch apparatus May. 28, 1991
4884760 Locking and adjustment device particularly for ski boots Dec. 5, 1989
4634100 Fence wire tightener Jan. 6, 1987
4440354 Automatic tension-adjusting mechanism for window regulators Apr. 3, 1984
4373721 Racket stringer tensioner Feb. 15, 1983
4298185 Fencing device Nov. 3, 1981
4222550 Mobile winch Sep. 16, 1980
3949968 Stretcher for wires, ropes and similar flexible elements for use in fences or suchlike Apr. 13, 1976











 
 
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