Impulse tool

Details Impulse tool Impulse tool

1984-12-13

1987-01-13

Schran, Donald R.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

192 56F, B23Q 500

Patent

active

046357319

ABSTRACT:
A rotary impulse device for an air motor or electric motor drive designed to produce an adjustable output torque is provided. The driven output shaft or impulse member has a cam surface driven by a driver which is axially or radially movable in a driving cage mechanism whereby the torque developed by the impulse device cyclically varies between zero and a predetermined adjustable maximum quantity. Due to the cyclical variation in the torque developed there is no impact component of the torque delivered and therefore the tightening torque will not increase as the number of torque cycles increases.

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