Tapping attachment and indexing mechanism therefor

Details Tapping attachment and indexing mechanism therefor Tapping attachment and indexing mechanism therefor

1985-02-04

1986-01-28

Combs, E. Michael

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

10134, 10141H, 409232, B23B 3110, B23G 100, B23G 514

Patent

active

045668299

ABSTRACT:
A tapping attachment includes a housing and a shaft, the shaft being associable with a source of rotational energy to cause forward or reverse drive of a tapping spindle which carries a tap which is intended to do work upon a work piece. The shaft of the tapping attachment is provided with a collar having a recess therein. Associated with the housing is an indexing mechanism including a housing, a spring biased plunger insertable into the housing for limited movement therein, and a bracket arm operably associated with the plunger. The bracket arm includes a radially projecting extension insertable into the recess of the collar to fix the shaft in a desired position and also an axially extending arm engageable with a boss on a machining center to fix the housings relative to the drive imparting machine and also to disengage the radial extension from the collar to permit rotation of the shaft and inner workings of the tapping attachment.

REFERENCES:
patent: 3481248 (1969-12-01), Engstrom
patent: 3691899 (1972-09-01), Antonietto et al.
patent: 4008646 (1977-02-01), Hague et al.
patent: 4014421 (1977-03-01), Johnson
patent: 4172683 (1979-10-01), Shimajiri et al.
patent: 4356621 (1982-11-01), Tomita et al.
patent: 4409721 (1983-10-01), Tomita et al.
patent: 4417377 (1983-11-01), Brezina

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