Pneumatic jack device

Details Pneumatic jack device Pneumatic jack device

1975-07-01

1976-07-06

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

254 93HP, B25B 2714

Patent

active

039673600

ABSTRACT:
A pneumatic jack device is used to extract an agitator from the tube of a washing machine. The device includes an annular split ring member having a pair of closed ends and a chamber therein, wherein the member expands into a split toroidial configuration. A valve extends inwardly through an opening in the annular member, wherein the valve is adapted to receive a pneumatic pressurized line. A mechanism is provided for holding together the closed ends of the annular split member during inflation into the split toroidial configuration.

REFERENCES:
patent: 665924 (1901-01-01), McGee
patent: 1212315 (1917-01-01), Bjerre
patent: 1367225 (1921-02-01), Barker

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