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Class Information
Number: 294/82.15
Name: Handling: hand and hoist-line implements > Hoistline or grab hook > Driven positioning mean
Description: Load engaging hooks and additionally including means to move the hook in either a vertical and/or or rotary motion for the purpose of (1) precisely orienting or locating the hook relative to the load or (2) for orienting and/or locating the combined hook and load with respect to a surface or other object, to provide for a specific spatial orientation therebetween.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6991275 |
Bottom hook block system |
Jan. 31, 2006 |
| 6517131 |
Suspended load rotary device |
Feb. 11, 2003 |
| 5984278 |
Swivel post latch system for bearing block |
Nov. 16, 1999 |
| 5380056 |
Vertical hydraulic hoist device |
Jan. 10, 1995 |
| 5125707 |
Rotary load lifting hook device |
Jun. 30, 1992 |
| 5114025 |
Swivel for use in cranes and the like |
May. 19, 1992 |
| 5071184 |
Motorized load rotation device with autonomous power supply for cable lifting mechanisms |
Dec. 10, 1991 |
| 4930828 |
Load-suspension arrangement for hoisting apparatus |
Jun. 5, 1990 |
| 4858978 |
Coupling arrangement for changing components on the block of a hoist |
Aug. 22, 1989 |
| 4498698 |
Drill rig hook |
Feb. 12, 1985 |
| 4453884 |
Hook rotating mechanism |
Jun. 12, 1984 |
| 4121806 |
Apparatus for compensating variations of distance |
Oct. 24, 1978 |
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