Straight line abrading tool

Details Straight line abrading tool Straight line abrading tool

1974-08-19

1976-01-20

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51175, 51273, B23D 6700

Patent

active

039329631

ABSTRACT:
A portable abrading tool having a cylinder body containing a double ended piston with a reduced dimension intermediate portion of the piston carrying two oppositely facing racks engageable with two gear units which in turn engage two additional oppositely facing racks on a shoe to cause reciprocation thereof. A valving mechanism may include a rotatably oscillatable gear sector containing a pocket recess loosely receiving a valve element in a lost motion relation. An aspirator may be provided for withdrawing air and abraded particles from the vicinity of a work surface.

REFERENCES:
patent: 987940 (1911-03-01), Anderson
patent: 1840108 (1932-01-01), Kincaid
patent: 2152352 (1939-03-01), Holt
patent: 2564490 (1951-08-01), Marr
patent: 2582470 (1952-01-01), Walker
patent: 3474512 (1969-10-01), Hansen
patent: 3563134 (1971-02-01), Rodstein
patent: 3803773 (1974-04-01), Odaward
patent: 3815292 (1974-06-01), Hutchins
patent: 3835592 (1974-09-01), Sumida

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