Rodless cylinder

Details Rodless cylinder Rodless cylinder

1992-03-17

1993-09-21

Look, Edward K.

Expansible chamber devices

Sealed opening in longitudinal wall of chamber for receiving...

277DIG7, F16J 114, F01B 102

Patent

active

052459101

ABSTRACT:
A linear drive apparatus comprises a cylindrical casing having a longitudinal slot. A piston is located in an inner chamber of the apparatus and can be moved in longitudinal direction by differential pressures. This piston includes a projection extending through the longitudinal slot. The outer side and the inner side of the longitudinal slot are sealed off by a sealing strip. An air connector is in communication with the space between the two sealing strips, allowing the production of a vaccum or of an overpressure in the mentioned space.

REFERENCES:
patent: 3722374 (1973-03-01), Densmore
patent: 4373427 (1983-02-01), Garlapaty et al.
patent: 4519297 (1985-05-01), Lipinski
patent: 4829881 (1989-05-01), Taki et al.
patent: 4891908 (1990-01-01), Aquilina
patent: 4991494 (1991-02-01), Migliori

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