Device for controlling expansible grinding tools

Details Device for controlling expansible grinding tools Device for controlling expansible grinding tools

1978-07-25

1980-06-10

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 3300

Patent

active

042065720

ABSTRACT:
A device for controlling the expansion of an expansible grinding tool includes control means for effecting controlled axial movement of a cone in the tool. The control means includes a screw engaging a fixed nut and controllably rotatable by a driving motor, the resultant axial movement of the screw being transmitted to the cone. The expansion control device is provided in the form of a removable grinding head unit arranged to be inserted between a grinding machine and the grinding tool. The grinding head unit also includes means for transmitting rotary motion from the grinding machine to the grinding tool.

REFERENCES:
patent: 1796842 (1931-03-01), Hall
patent: 2007847 (1935-07-01), Brignoni
patent: 2102092 (1937-12-01), Quigley
patent: 3126672 (1964-03-01), Calvert et al.
patent: 3287860 (1966-11-01), Blake
patent: 3404490 (1968-10-01), Estabrook
patent: 3496678 (1970-02-01), Engle
patent: 3670456 (1972-06-01), Harratt
patent: 4044508 (1977-08-01), Frederick
patent: 4110938 (1978-09-01), Ito

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