Ergonomic torque wrench mounting

Details Ergonomic torque wrench mounting Ergonomic torque wrench mounting

1994-10-20

1996-08-13

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

29240, B25B 2900

Patent

active

055445543

ABSTRACT:
An automatic assembly apparatus for repetitively driving fasteners into a work piece without having an operator's arms and wrists absorb torques generated during the fastening operation. A pneumatic torque wrench is mounted on a torque arm attached to a rigid surface. The torque wrench is free to move around any axis required for the application. All axis lock when the wrench is engaged, allowing the operator to remove his/her hands when the wrench is in operation. A combination of an air cylinder coupled to a compressive spring drives the wrench downward until the wrench is positioned at the fastener for torquing. Incidence of carpal tunnel syndrome or other similar repetitive stress injuries (RSI) are eliminated since the operator is allowed to remove his/her hands while the wrench is in operation. The mass of the wrench absorbs all the torque generated by the fastening operation.

REFERENCES:
patent: 3333613 (1967-08-01), Bosse
patent: 3694888 (1972-10-01), Bosse
patent: 3910325 (1975-10-01), Dixon
patent: 4483219 (1984-11-01), Sticht et al.
patent: 4782726 (1988-11-01), Ryder et al.
patent: 5109736 (1992-05-01), Dixon

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