Straight line abrading tool

Details Straight line abrading tool Straight line abrading tool

1975-01-27

1976-06-29

Maslousky, Paul E.

Motors: expansible chamber type

Cyclically operable

Working member reverses distributor through part movable...

91352, 13762521, 251 77, 251 58, F01L 3118, F16K 3116

Patent

active

039658015

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: 383287 (1888-05-01), Fiske
patent: 1009664 (1911-11-01), Hefty et al.
patent: 2731954 (1956-01-01), O'Shei
patent: 3274895 (1966-09-01), Hendrickson
patent: 3297052 (1967-01-01), Robinson

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