Air driven tool with double-ended aligned pistons oppositely dri

Details Air driven tool with double-ended aligned pistons oppositely dri Air driven tool with double-ended aligned pistons oppositely dri

1978-03-10

1979-12-11

Maslousky, Paul E.

Motors: expansible chamber type

Relatively movable working members with one having motive...

Single valve unit controlling plural working chambers

92136, 92151, 91 6, F01L 3304, F01B 900, F01B 702, F01B 716

Patent

active

041777123

ABSTRACT:
A single tool carrier reciprocatingly driven in opposite directions by a pair of double ended reciprocating pneumatic pistons, one of the pistons driving the carrier through rack and pinion gear means and the other piston driving the carrier through a pin integrally connected to the carrier, mounted vertically on the carrier and engaging the said other piston. Seal rings, preferably of Teflon, are mounted on both ends of both pistons. The pistons operate in opposite directions. One piston is made relatively light so that its weight and the weight of the other shoe are counterbalanced against each other.

REFERENCES:
patent: 955896 (1910-04-01), Morrison
patent: 1954489 (1934-04-01), Portlow
patent: 2737157 (1956-03-01), Hefner et al.
patent: 3214823 (1965-11-01), Hendrickson
patent: 3274895 (1966-09-01), Hendrickson

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