Device or member for contacting and guiding moving cable > Including rotatable, cable contacting, pulley wheel element > Plural elements or element with plural cable contacting regions > With portable block for elements and hand manipulated means for removably fastening block to support base or load > Patents

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Class Information
Number: 254/401
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 > Plural elements or element with plural cable contacting regions > With portable block for elements and hand manipulated means for removably fastening block to support base or load
Description: Cable guides provided with a movable housing for partially encasing or enclosing two or more of the elements and wherein the housing has hand-manipulated means located thereon to detachably fasten it to a supporting base, (e.g., static structure) or a load.

Sub-classes under this class:

Class Number	Class Name	Patents
254/402	Having portion of block repositionable for insertion or removal of cable or for exposure of elements	13
254/404	Including antifriction means for elements	5
254/403	With guard or guide for maintaining cable on elements	20

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7469882	Hook-type bottom block	Dec. 30, 2008
5987734	Semi-automatic block and tackle lacing machine	Nov. 23, 1999
5851039	Lower block apparatus	Dec. 22, 1998
5476247	Load block	Dec. 19, 1995
4721286	Split block for extended travel	Jan. 26, 1988
4574789	Gravity relief apparatus	Mar. 11, 1986
4222551	Pulley-block weighing-balance	Sep. 16, 1980
4069921	Overhead crane including a single failure proof hoist	Jan. 24, 1978