Screwdriver tool

Details Screwdriver tool Screwdriver tool

2006-07-25

2006-07-25

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C081S467000, C081S475000

Reexamination Certificate

active

07080582

ABSTRACT:
A screwdriver tool has a driving body and a tool shank mounted in the driving body so it can rotate about its axis. A device for transmitting a torque from the driving body to the tool shank interrupts the torque transmission if a predefined limiting torque is exceeded. In its longitudinal area accommodated in the driving body, the tool shaft has a clutch section featuring a non-circular cross section. At least one spring element adjoins the clutch section radially on the outside. The spring element is mounted in the driving body in a non-rotatable manner with respect to the axis of the tool shank and in a radially deflectable manner against its spring force.

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patent: 101 43 181 (2005-03-01), None
patent: 0925878 (1998-09-01), None
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