Thread chasing tool

Details Thread chasing tool Thread chasing tool

1985-10-03

1986-12-23

Combs, E. Michael

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

10 1B, 10120, 10123S, 408239R, B23G 504

Patent

active

046309780

ABSTRACT:
A tool for cleaning or repairing the screw threads on studs, bolts and the like comprises inner and outer relatively slidable sleeve members and a series of die elements rockably mounted between the sleeve members adjacent one end or mouth of the tool so as to be urged by relative sliding movement between the members in opposite directions between the expanded position and a contracted position in which inwardly facing thread cutting teeth on the die elements are urged into a thread engaging position with a threaded member inserted into the mouth of the tool.

REFERENCES:
patent: 1135057 (1915-04-01), Schultis
patent: 1392705 (1921-10-01), Rhodes
patent: 1785406 (1930-12-01), Cornett
patent: 2567480 (1951-09-01), Heldenbrand
patent: 2616103 (1952-11-01), Stecher
patent: 2700166 (1955-01-01), McKenzie
patent: 3956787 (1976-05-01), Crumpacker
patent: 4150450 (1979-04-01), Laub, Jr. et al.
patent: 4346491 (1982-08-01), Kraus et al.
patent: 4411324 (1983-10-01), Liebig

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