Turning – Lathe for screw cutting
Patent
1993-03-23
1994-09-06
Howell, Daniel W.
Turning
Lathe for screw cutting
408221, 408239R, 470 67, 470207, B23G 500
Patent
active
053437870
ABSTRACT:
A die holder assembly mounts to a conventional lathe for holding a die to facilitate cutting of a thread into a workpiece. The die holder rotatably rides along an alignment shaft which mounts to the chuck of the lathe. The die holder may be manually turned by applying torque via a lever or a wrench while the alignment of the received die is constantly maintained in relation to the workpiece.
REFERENCES:
patent: Re23210 (1950-03-01), Johnson
patent: 1154010 (1915-09-01), Grunbauch
patent: 2159680 (1939-05-01), West
patent: 2383991 (1945-09-01), Sarossy
patent: 2465541 (1949-03-01), Kreshock
patent: 2718646 (1955-09-01), McKenzie
patent: 4095917 (1978-06-01), Wesner
patent: 4097182 (1978-06-01), Rolnick
patent: 5003852 (1991-04-01), Kelly
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