Ratcheting driver with helical drive

Details Ratcheting driver with helical drive Ratcheting driver with helical drive

2011-05-24

2011-05-24

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S057420, C074S127000

Reexamination Certificate

active

07946198

ABSTRACT:
In accordance with one aspect of the present invention, a combination ratcheting and helical driver is disclosed. In the unlocked position the hand tool coverts downward linear force into rotary motion. In the locked position the hand tool operates as a ratcheting driver. The locking device locks the helical drive shaft of the hand tool in a retracted position such that the helical drive shaft is substantially positioned within the handle body. A locking main body is adjacent to a chuck assembly. The locking main body selectively combines with a shoulder abutment adjacent to the handle assembly to lock the helical drive shaft in the retracted position.

REFERENCES:
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patent: 2002/0069715 (2002-06-01), Genco
patent: 2002/0157506 (2002-10-01), Schade
patent: 2006/0043685 (2006-03-01), Kozak
patent: 2006/0137495 (2006-06-01), Hwang et al.

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