Attachment of a tapping head to a drive unit

Details Attachment of a tapping head to a drive unit Attachment of a tapping head to a drive unit

1992-09-17

1994-10-11

Rosenbaum, Mark

Cutting by use of rotating axially moving tool

Tool or tool-support with torque-applying clutch

408241B, B23B 4700

Patent

active

053541545

ABSTRACT:
A stabilizing support attaches a tapping head to a drive having a spindle rotatable within a quill. The support includes a substantially cylindrically symmetric hollow tubular housing axially divided into two sections. A first section has a first bore sized to slip over and lock to a quill of the rotating drive, and a second section having a second bore sized to receive the tapping head therein in a close sliding fit. The housing is releasably locked to the drive quill, and a nonrotating portion of the tapping head is fixed to the housing to prevent its rotational movement relative to the housing.

REFERENCES:
patent: 318654 (1885-05-01), Rathbun
patent: 466946 (1892-01-01), Hurley
patent: 2292850 (1942-08-01), Sundstrand
patent: 2370770 (1945-03-01), Basta
patent: 2401490 (1946-06-01), Little
patent: 5131794 (1992-07-01), Johnson
United Catalog, "Keep It Straight!", Jun. 1973, p. 31.
L. Brydolf, "Machinist has an ace up his sleeve", San Diego Business Journal, May 3, 1993, p. 8.
Anon., "Armless Tapping Attachment Sleeve Introduced", Metalworking Digest, May 1993.
Catalog of Tapmatic Corporation, pp. 1-3, 32-33, and 39 (undated).

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