Automatic thread cutting device

Details Automatic thread cutting device Automatic thread cutting device

1975-03-10

1976-10-12

McGehee, Travis S.

Cutting by use of rotating axially moving tool

Tool-support with means to receive tool-position indicator

408135, B23B 4904, B23B 4726

Patent

active

039854639

ABSTRACT:
Simultaneous rotation and feed or withdrawal movements are imparted to a shaft carrying a screw tapping element in an automatic thread cutting apparatus by a rack and pinion drive on which is mounted a ramp-shaped cam, the rack and pinion, through a gear train, effecting rotation of the shaft, and the cam through a lever linkage effecting feed or withdrawal of the shaft and tapping element.

REFERENCES:
patent: 1173574 (1916-02-01), Hayden
patent: 1946523 (1934-02-01), Cramer

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