Apparatus for releasably coupling grinding tools to rotary spind

Details Apparatus for releasably coupling grinding tools to rotary spind Apparatus for releasably coupling grinding tools to rotary spind

1986-07-31

1988-03-22

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 4104

Patent

active

047319550

ABSTRACT:
Apparatus for coupling a rotary grinding tool to a rotary spindle has a long centering cone at the front end of the spindle for entry into a complementary conical hole in the main portion of a hub which separably holds the tool. The spindle transmits torque to the hub by means of two male torque transmitting elements provided on an axial extension of the hub and extending into complementary recesses provided on a ring-shaped member at the smaller-diameter end of the cone. The tool is held in a predetermined axial position by an end face of the extension which abuts an end face of the cone. A package of springs is installed in the cone to normally bias the extension of the hub axially of and away from the spindle so as to facilitate separation of the tool from the spindle by means of an automatic tool changer. The spring surrounds the shank of a screw or bolt which separably secures the extension of the hub to the cone of the spindle.

REFERENCES:
patent: 791159 (1905-05-01), Norton
patent: 1719941 (1929-07-01), Mogford
patent: 2397849 (1946-04-01), Engeln
patent: 2398664 (1946-04-01), Paul
patent: 3483902 (1969-12-01), Schiffers et al.
patent: 3818645 (1974-06-01), McEwan
patent: 4257197 (1981-03-01), Lombard
patent: 4582461 (1986-04-01), Ziegelmeyer

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