Quick-change over-spindle adapter

Details Quick-change over-spindle adapter Quick-change over-spindle adapter

1987-08-31

1989-03-07

McGlynn, Joseph H.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 1A, 279 91, 279101, 403342, 409234, B23B 3110

Patent

active

048101397

ABSTRACT:
An over-spindle quick-change assembly for releasably securing a tool holding adapter at an operative position with respect to a power rotatable shank spindle comprises a cylindrical sleeve sleeved over the tool holding end of the spindle. A collar rotatable on the sleeve has a threaded portion engageable with a nut on the adapter for screwing the nut and adapter to the operative position, whereat confronting annular surfaces of the nut and spindle end engage each other in sealing relationship. The sleeve is prevented from relative movement on the spindle by a set screw screwed radially into the spindle shank and having a reduced diameter extension confined within a radial hole in the sleeve. The threaded portion of the set screw is dimensioned to prevent its entry into the radial sleeve hole. The collar is retained against axial movement relative to the sleeve by a ring resiliently expandable and contractible radially and having inner and outer circumferential portions confined within confronting grooves in the sleeve and collar respectively.

REFERENCES:
patent: 2709600 (1955-05-01), Lehde
patent: 2717791 (1955-09-01), Packer
patent: 3887203 (1975-06-01), Benjamin et al.
patent: 4171821 (1979-10-01), Miller

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