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Class Information
Number: 254/286
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 > Plural drums or drum with plural distinct sections > Having rotatable, cable guiding, pulley wheel element spaced from drums > Plural elements
Description: Apparatus wherein two or more rotatable, cable-guiding, pulley wheel elements are spaced from the drums.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416169 |
Hoisting-cable drive comprising a single bottom-hook block and two winches |
Aug. 26, 2008 |
| 7165759 |
Crown block dead line anchor |
Jan. 23, 2007 |
| 6926259 |
Hoist system |
Aug. 9, 2005 |
| 6840326 |
Lifting apparatus and method for oil field related services |
Jan. 11, 2005 |
| 6729605 |
Cable winch hoisting device for stages |
May. 4, 2004 |
| 6273401 |
Method and apparatus for truck tarp loading |
Aug. 14, 2001 |
| 6241048 |
Storage platform and lift apparatus |
Jun. 5, 2001 |
| 6234453 |
Rolling door winch apparatus |
May. 22, 2001 |
| 6086050 |
Apparatus for pulling a traction cable through an underground pipe |
Jul. 11, 2000 |
| 6024425 |
Storage apparatus |
Feb. 15, 2000 |
| 6023862 |
Control system for rope bucket |
Feb. 15, 2000 |
| 5772360 |
Topless watercraft lifting apparatus with a differential gearing system |
Jun. 30, 1998 |
| 5275379 |
Wildcat chain hoist with whelps, pockets, and movable drum halves |
Jan. 4, 1994 |
| 5190250 |
Autonomous, heliborne-mobile construction/emergency pod system |
Mar. 2, 1993 |
| 5147013 |
Confined space entry apparatus |
Sep. 15, 1992 |
| 4809954 |
Loop carriage |
Mar. 7, 1989 |
| 4806066 |
Robotic arm |
Feb. 21, 1989 |
| 4674602 |
Article storage system |
Jun. 23, 1987 |
| 4575050 |
Mobile cable winch |
Mar. 11, 1986 |
| 4309023 |
Suspension apparatus for a scaffold |
Jan. 5, 1982 |
| 4261119 |
Method for digging and transporting material |
Apr. 14, 1981 |
| 4165543 |
Suspended motor lifted swimming pool cover |
Aug. 28, 1979 |
| 4157127 |
Fire escape |
Jun. 5, 1979 |
| 4113237 |
Cable tension control |
Sep. 12, 1978 |
| 4107912 |
Metering capstan |
Aug. 22, 1978 |
| 4076218 |
Longstroke pumping apparatus for oil wells |
Feb. 28, 1978 |
| 4042066 |
Portable emergency fire fighting and rescue elevator |
Aug. 16, 1977 |
| 4029297 |
Winches for use with high masts |
Jun. 14, 1977 |
| 3994401 |
Crane equipped with dual trolleys |
Nov. 30, 1976 |
| 3961771 |
Mechanical guy cable control device |
Jun. 8, 1976 |
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