Restoration or drill buttons

Details Restoration or drill buttons Restoration or drill buttons

1987-07-20

1989-08-22

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 73R, 51120, 511255, 51240R, 51288, 409199, B24B 1100

Patent

active

048583880

ABSTRACT:
Apparatus for restoring drill buttons or like objects includes a support body and structure for positioning a drive shaft rotatable about its axis. Bearing structure secures the structure to the support body for rotation about a second axis at an angle to the first axis. The two axes intersect at the location of a grinding burr mounted to the shaft for restoring a button in engagement with the burr. A transmimssion is provided for imparting rotational drive to the shaft positioning structure so that the first axis revolves about the second axis.

REFERENCES:
patent: 603828 (1898-05-01), Dow et al.
patent: 1114376 (1914-10-01), Milkop
patent: 2836939 (1958-06-01), White
patent: 3020681 (1962-02-01), Hite
patent: 3111789 (1963-11-01), Harmon
patent: 3797177 (1974-03-01), Hoffman
patent: 3988124 (1976-10-01), Babcock
patent: 4091713 (1978-05-01), Kennedy
patent: 4245939 (1981-01-01), Sear

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