Fastener coupler for power tool

Details Fastener coupler for power tool Fastener coupler for power tool

1998-01-13

1999-09-14

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

81473, B25B 23157

Patent

active

059505095

ABSTRACT:
A coupler for coupling a fastener to a power tool includes a barrel, and a head and a follower rotatably engaged in the barrel and each having one or more projections for engaging with each other and for allowing the follower to be driven by the head. The follower may engage with the fastener to be threaded. The head includes a shaft extended outward of the barrel for coupling to the power tool. A limit member is secured to the shaft for limiting a relative movement of the head to the follower and for allowing the follower to be disengaged from the head.

REFERENCES:
patent: 2271673 (1942-02-01), Zenner
patent: 2977832 (1961-04-01), Bless
patent: 3165325 (1965-01-01), Goepfrich et al.
patent: 4161242 (1979-07-01), Moores, Jr. et al.

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