Drive mechanism for a feed screw

Details Drive mechanism for a feed screw Drive mechanism for a feed screw

1981-05-06

1984-04-03

Briggs, William R.

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

74625, 82 22, 82 27, 408129, 409219, B23B 2100

Patent

active

044400500

ABSTRACT:
Drive mechanism for a feed screw or threaded spindle for tool machines. The threaded spindle is drivable both by a drive motor and also by a handwheel which can be coupled by an axial shifting movement of a control rod. The drive connection between the drive motor and the threaded spindle is released through an axial movement of the handwheel, so that the output shaft on the motor on the one hand is not moved in response to a rotational movement of the handwheel and, on the other hand, cannot drive the threaded spindle in the case of an unintended start.

REFERENCES:
patent: 2739678 (1956-03-01), Parker
patent: 3930422 (1976-01-01), Morimatsu

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