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Class Information
Number: 254/405
Name: Implements or apparatus for applying pushing or pulling force > Device or member for contacting and guiding moving cable > Including rotatable, cable contacting, pulley wheel element > With block for element and portion thereof repositionable for insertion or removal of cable or for exposure of element
Description: Cable guides provided with a housing for partially encasing or enclosing the element and wherein the housing has a component which is movable for either (a) enabling the placement of the cable on, or its displacement from, the element, or (b) exposing a region of the element"s cable contacting perimeter, which region is otherwise concealed when the element is in a particular rotational position.










Sub-classes under this class:

Class Number Class Name Patents
254/406 Portion revolves about axis of rotation of element 16


Patents under this class:

Patent Number Title Of Patent Date Issued
8511647 Two-part, magnetically-secured rigging and climbing blocks Aug. 20, 2013
7988132 Block with improved central mounting Aug. 2, 2011
7965807 Instrument removal system Jun. 21, 2011
7835481 Instrument removal system Nov. 16, 2010
7735809 Pulley Jun. 15, 2010
7673851 Block with improved central mounting Mar. 9, 2010
7533871 Rope control apparatus May. 19, 2009
7533870 Pulley May. 19, 2009
7431269 Ring sheave Oct. 7, 2008
7347411 Splaying snatch block Mar. 25, 2008
7222840 Rope-guiding device May. 29, 2007
6814327 Support for holding and securing vacuum and pressure hoses associated with a carpet cleaning system Nov. 9, 2004
6742770 Fail-safe device for raising/lowering articles Jun. 1, 2004
6684805 Rope loop connection system for yachts Feb. 3, 2004
6481695 Snatch block hook bolt assembly Nov. 19, 2002
6386516 Sheave block with retractable sheave guards May. 14, 2002
6263999 Removable vertical fall arrest device Jul. 24, 2001
6234454 Failsafe device for raising/lowering articles May. 22, 2001
6138992 Winch pulley attachable to a motor vehicle-mounted box hitch Oct. 31, 2000
6105939 Stuffing box sheave assembly with retention pad Aug. 22, 2000
5626168 Double roller elements for jacquard machines May. 6, 1997
5249543 Snatch block Oct. 5, 1993
5201496 Line releasing pulley system Apr. 13, 1993
5139206 Wire prefeeder Aug. 18, 1992
4708321 Multiple sheave assembly with angled rollers Nov. 24, 1987
4676484 Helicopter transportable traveling block Jun. 30, 1987
4632364 Bundle conductor stringing block gate Dec. 30, 1986
4614332 Snatch block with improved hook bolt assembly Sep. 30, 1986
4549723 Cable block device Oct. 29, 1985
4542884 Removable double action rope grip Sep. 24, 1985
4371147 Vehicle mountable cable reel apparatus Feb. 1, 1983
4325537 Snatch block Apr. 20, 1982
4301994 Bundle conductor stringing block Nov. 24, 1981
4201369 Pulley arrangement for the laying out of electrical leads in a bundle fashion May. 6, 1980
3976210 Anti-tipping log skidder Aug. 24, 1976











 
 
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