Bevel gear driver and method having torque limit selection

Details Bevel gear driver and method having torque limit selection Bevel gear driver and method having torque limit selection

1994-08-10

1997-07-15

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

81467, B25B 23157

Patent

active

056472544

ABSTRACT:
Methods and apparatus are provided for a torque driver including an axially displaceable gear with a biasing assembly to bias the displaceable gear into an engagement position. A rotatable cap is provided with a micrometer dial to select a desired output torque. An intermediate bevel gear assembly is disposed between an input gear and an output gear. A gear tooth profile provides a separation force that overcomes the bias to limit torque at a desired torque limit. The torque limit is adjustable and may be adjusted manually or automatically depending on the type of biasing assembly provided. A clutch assembly automatically limits axial force applied to a fastener by the operator to avoid alteration of the desired torque limit.

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