Locking collar removal tool

Details Locking collar removal tool Locking collar removal tool

1999-08-19

2000-10-31

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 902, 81 903, B25B 1332

Patent

active

061385301

ABSTRACT:
A tool to remove a locked collar locked to the threaded shaft of a frangible fastener, having a collet with gripping means and inner grasping teeth has a segment removed to permit the collet to decrease in size. An outer cylinder with inner threads are sloped contrary to the threads locking the collar to the fastener shaft and a bottom inner tapered portion. An inner cylinder with matching threads and torquing means is torqued with respect to the outer cylinder to translate within the outer cylinder, urging the collet within into inner beveled portion of the outer cylinder thereby closing the collet to surround and grasp the locked collar. While the shaft of the fastener is held, further torquing imparts rotational force to the collar in an opening direction.

REFERENCES:
patent: 5207130 (1993-05-01), Payne
patent: 6000300 (1999-12-01), Plamondon

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