Screw assembly with torque determination

Details Screw assembly with torque determination Screw assembly with torque determination

1981-06-17

1983-12-06

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

B25B 2314

Patent

active

044185901

ABSTRACT:
The screw assembly comprises a drive unit whose output shaft (14) can be connected with a button die to be applied to a screw head.
To prevent the casing (10) of the drive unit from rotating, it is fitted with a retainer (24) which is placed against a solid abutment.
The retainer (24) has a ring (23) enclosing the output shaft and being connected via a torsionally elastic element (16) with the casing (10).
Torsional deformation of the torsionally elastic element (16) is used as a measure for the torque acting on the screw head. (FIG. 1).

REFERENCES:
patent: 1386455 (1921-08-01), Clemens
patent: 1970179 (1934-08-01), Miller
patent: 2893278 (1959-07-01), Rice
patent: 3710874 (1973-01-01), Seccombe et al.
patent: 3845673 (1974-11-01), Karden et al.

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