Lockable torque-limiting driver and method

Details Lockable torque-limiting driver and method Lockable torque-limiting driver and method

2006-04-14

2009-02-10

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C081S467000

Reexamination Certificate

active

07487700

ABSTRACT:
A lockable torque-limiting driver that includes, a body, a sleeve, a shaft carried by the body for rotation relative thereto and having a fastener-engaging tip at one end that projects from the body, a torque-limiting mechanism coupled to the shaft and housed within said body, a torque-adjusting mechanism within the body and coupled to the torque-limiting mechanism for adjusting the torque-limiting mechanism to a desired torque value, a torque-locking mechanism operably coupled with the torque-adjusting mechanism and the body or the sleeve for preventing movement of the torque-determining means and locking the settable torque-limiting driver at the desired torque value.

REFERENCES:
patent: 2797564 (1957-07-01), Bonneau et al.
patent: 3651718 (1972-03-01), Thomasian
patent: 5746298 (1998-05-01), Krivec et al.
patent: 6076439 (2000-06-01), Dzieman
patent: 6095020 (2000-08-01), Rinner
patent: 6155147 (2000-12-01), Dzieman
patent: 6640674 (2003-11-01), Rinner et al.
patent: 7166040 (2007-01-01), Hoffman et al.
patent: 7186190 (2007-03-01), Beach et al.
patent: 7272999 (2007-09-01), Cutler et al.
patent: 2006/0179981 (2006-08-01), Cutler et al.

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