Automatic supply device for bar stocks for lathe

Details Automatic supply device for bar stocks for lathe Automatic supply device for bar stocks for lathe

1978-05-05

1980-04-29

Hinson, Harrison L.

Turning

Process of turning

B23B 1300

Patent

active

042000130

ABSTRACT:
The present invention relates to a lathe to which a long bar stock is automatically supplied by a simple construction utilizing the revolution of a main spindle. Pinch rollers having a hyperboloidal profile are disposed face to face and a circumferential surface of a bar stock is pinched by the pinch rollers. The pinch rollers each have a driving roller concentric therewith and are rotated as one unit. The distance between the opposed pinch rollers can be adjusted to correspond to the diameter of the bar stock. The driving rollers are rotated by rotation of the main spindle for feeding the bar stock in the axial direction by the resulting rotation of the pinch rollers.

REFERENCES:
patent: 1226303 (1917-05-01), Brightman
patent: 1978060 (1934-10-01), Rickert
patent: 2316117 (1943-04-01), Tilley
patent: 3009617 (1961-11-01), Brown

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