Internal finishing tool and method of making same

Details Internal finishing tool and method of making same Internal finishing tool and method of making same

1991-08-29

1995-04-11

Rachuba, Maurina T.

Abrading

Carrier for relatively movable simultaneously usable tools

For radially movable tools

451469, 451523, B24D 1100

Patent

active

054046815

ABSTRACT:
A twisted stem helical internal abrading and finishing tool is formed from abrasive containing plastic strips having transverse offset slits along the lateral edges and a longitudinal middle unslit portion. The strips may be stacked with the longitudinal middle unslit portions aligned with the longitudinal axis of a cotter pin, one end of the stack being placed in the bight of the cotter pin. The cotter pin is twisted about its longitudinal axis to form a helical twisted stem from which the slit lateral side or edges extend forming rectangular abrasive fingers uniformly helically arranged. The end of the cotter pin opposite the bight may be inserted into the chuck of a drilling or turning machine to hold and rotate the tool about the axis of the stem.

REFERENCES:
patent: 1897971 (1933-02-01), Johnson
patent: 2049324 (1936-07-01), Schneider
patent: 2447748 (1948-08-01), Graham
patent: 2524626 (1950-10-01), Harman
patent: 2599961 (1952-06-01), White
patent: 2763104 (1956-09-01), Lindenborg
patent: 3869833 (1975-03-01), Belanger
patent: 5155945 (1992-10-01), Tyler et al.

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