Actuating means

Details Actuating means Actuating means

2005-01-11

2005-01-11

Look, Edward K. (Department: 3745)

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

C092S091000, C092S092000

Reexamination Certificate

active

06840152

ABSTRACT:
A fluid power operable actuating device, which possesses a flexible contractible tube extending between two spaced head pieces, such flexible contractible tube being caused to expand radially when its inner space is subjected to fluid pressure and transmitting simultaneously axial forces, due to contraction, to the head pieces. The flexible contractible tube comprises an elastically deforming flexible tube body which has a special geometrical shape having a cross sectional outline on the inner periphery and/or the outer periphery of the flexible tube body which is non-circular and/or is in the form of several portions of the body of the flexible tube with properties of the material of the flexible tube body which are different from one another.

REFERENCES:
patent: 2483088 (1949-09-01), De Haven
patent: 3645173 (1972-02-01), Yarlott
patent: 4108050 (1978-08-01), Paynter
patent: 4751869 (1988-06-01), Paynter
patent: 4819547 (1989-04-01), Kukolj
patent: 4841845 (1989-06-01), Beullens
patent: 5019121 (1991-05-01), Krauter
patent: 5090297 (1992-02-01), Paynter
patent: 5185932 (1993-02-01), Caines
patent: 298 16 100 (1988-11-01), None
patent: 299 08 008 (1999-07-01), None
patent: 01 161 750 (1985-11-01), None

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