Tap holder

Details Tap holder Tap holder

1982-09-01

1985-04-30

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool or tool-support with torque-applying clutch

408141, 408239R, 279 16, 10141H, B23G 146, B23B 300

Patent

active

045141150

ABSTRACT:
A tap holder adapted for attachment to the main spindle of machine tool to cut internal threads in a workpiece, the tap holder including a floating mechanism by which the tap holding spindle is smoothly moved in the axial direction, the floating mechanism being featured by a single coil spring compressible in association with the axial movement of the tap holding spindle, and by its feasibility that a possible error occurring between the lead of the tap and the feed of the main spindle of the machine tool is automatically corrected.

REFERENCES:
patent: 2626029 (1953-01-01), Gutterman
patent: 2764416 (1956-09-01), Martin
patent: 3174599 (1965-03-01), Spyridakis et al.
patent: 3214773 (1965-11-01), Benjamin et al.
patent: 3764152 (1973-10-01), Eaves et al.
patent: 3787136 (1974-01-01), Steiner
patent: 3806973 (1974-04-01), Hopkins
patent: 4028763 (1977-06-01), Jenner
patent: 4080090 (1978-03-01), Kern
patent: 4364694 (1982-12-01), Miles

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