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Class Information
Number: 254/372
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 > With projections or apertures on drum for engagement with complementary structural formations on cable
Description: Apparatus in which the drum has projections or apertures located on its surface for engaging corresponding apertures or projections formed along the length of the cable.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8500101 Engagement chain Aug. 6, 2013
8464414 Vehicle motor mounting tool Jun. 18, 2013
8360912 Chain drive or return arrangement and chain assembly and sprocket employed therein Jan. 29, 2013
8157246 Deflecting roller with increased chain utilization Apr. 17, 2012
8132789 Drive disk for high performance friction pairings Mar. 13, 2012
8096528 Chain sprocket with increased load capacity Jan. 17, 2012
8079570 Winding, securing and positioning mechanism for a come-along Dec. 20, 2011
8033529 Ratcheted lift mechanism Oct. 11, 2011
7971856 Drive rope and drive pulley Jul. 5, 2011
7931254 Hoisting device Apr. 26, 2011
7731158 Insert type chain hoist Jun. 8, 2010
7621508 Method and device for storing a traction chain Nov. 24, 2009
7614610 Hoisting and pulling device Nov. 10, 2009
7575223 Overload preventing apparatus in hoist Aug. 18, 2009
7571895 Rope sheave Aug. 11, 2009
7533869 Ratcheted lift mechanism May. 19, 2009
7520490 Anchor winch Apr. 21, 2009
7441748 Hoisting and pulling device Oct. 28, 2008
7401765 Winching and drawing machine Jul. 22, 2008
7380770 Hoist device having selective power source Jun. 3, 2008
7344121 End surface gear-type overload protection device for manually operated hoists Mar. 18, 2008
7284745 Portable raising and lowering device and equipment therefor Oct. 23, 2007
7275733 Compact drive for a counterweight assisted winch Oct. 2, 2007
7156374 Chain block Jan. 2, 2007
7137618 Power-assisted cable-pulling device Nov. 21, 2006
7108248 Cable pulley block having detachable fastening of a cable to a cable drum Sep. 19, 2006
7104214 Fairlead with integrated chain stopper Sep. 12, 2006
7080824 Chain motor drive controller Jul. 25, 2006
6966545 Chain block Nov. 22, 2005
6857840 Removable load bed for a vehicle Feb. 22, 2005
6820863 Portable motorized chain driver Nov. 23, 2004
6557828 Pneumatic motor and pneumatic hoist apparatus installed with the same May. 6, 2003
6554255 Lifting gear Apr. 29, 2003
6450482 Lifting device Sep. 17, 2002
6427982 Hoist apparatus Aug. 6, 2002
6286816 Chain hoist Sep. 11, 2001
6224039 Chain block May. 1, 2001
6209852 Removable chain hoist position encoder assembly Apr. 3, 2001
6199830 Chain elevator Mar. 13, 2001
6062543 Hand operated chain block having an improved load chain device May. 16, 2000
6032928 Hand operated chain block having improved hand wheel Mar. 7, 2000
6007054 Hand operated chain block having an improved cover Dec. 28, 1999
5975203 Apparatus and method utilizing a coiled tubing injector for removing or inserting jointed pipe sections Nov. 2, 1999
5971364 Hoist and traction apparatus Oct. 26, 1999
5899441 Chain hoist with a brake acting on both sides of the clutch May. 4, 1999
5853165 Chain hoist with a clutch adjustable by means of the brake Dec. 29, 1998
5647576 Chain lever hoist Jul. 15, 1997
5641151 Chain lever hoist Jun. 24, 1997
5586752 Load chain retainment for a chain block Dec. 24, 1996
5566925 Manual chain block Oct. 22, 1996

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