Hydraulic actuator

Details Hydraulic actuator Hydraulic actuator

1978-07-28

1981-01-06

Cohen, Irwin C.

Expansible chamber devices

Annular working member or annular linearly extending chamber...

Axially extending hollow stem on working member

92110, 92137, 92164, 92165R, F01B 1100, F01B 2908

Patent

active

042429471

ABSTRACT:
A hydraulic actuator, readily assemble and disassemble, which can be used for effecting actuation of food processing machinery or bulk bait or other commodity dispensers. Since it is necessary that such devices be safe and non-polluting, components which come in contact with the hydraulic fluid can be made of plastic so that tap water can be utilized as the hydraulic fluid.
The actuator is made readily assemble and disassemble by including devices for quick and easy sealing and locking of the component parts. These devices have only a minimal number of subcomponents.

REFERENCES:
patent: 2148995 (1939-02-01), Nelson
patent: 2533531 (1950-12-01), Stephens
patent: 2840347 (1958-06-01), Feucht
patent: 3034482 (1962-05-01), Rader
patent: 3136225 (1964-06-01), Rader
patent: 3331292 (1967-07-01), Seablom
patent: 3335642 (1967-08-01), Rasaen
patent: 3512113 (1970-05-01), Kirkendall
patent: 3598021 (1971-08-01), Langland et al.
patent: 3617977 (1971-11-01), Scheiterbauer et al.
patent: 3650182 (1972-03-01), Phillips
patent: 4040342 (1977-08-01), Austin et al.
patent: 4091842 (1978-05-01), Greenawalt et al.

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