Straight line abrading tool

Details Straight line abrading tool Straight line abrading tool

Filed on

1975-01-27

Date issued

1976-06-29

Examiner

Maslousky, Paul E.

Patent Class

Motors: expansible chamber type

SubClass

Cyclically operable

SubSubClass

Working member reverses distributor through part movable...

Other Related Categories

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

Type

Patent

Status

active

Patent number

039658015

Description

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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