Expansible chamber devices – Collapsible chamber wall portion
Reexamination Certificate
2006-09-05
2006-09-05
Kershteyn, Igor (Department: 3745)
Expansible chamber devices
Collapsible chamber wall portion
C092S092000, C092S093000, C092S09800R
Reexamination Certificate
active
07100491
ABSTRACT:
A fluid-powered mechanical actuator having a proximal end and a distal end and having a plurality of hollow tubular elements hingedly connected in end-to-end linked relationship to form a variable angle therebetween, each such link having one degree of freedom; provision to bias the elements in a direction to minimize the angle between them; a flexible elongated chamber enclosing a space within it, the chamber situated within the linked elements and within the link therebetween, substantially contained thereby, the chamber having a flexible but non-expansible wall; and apparatus to provide to the space within said chamber a pressurized working fluid; whereby the pressure of the working fluid causes said chamber to straighten within said elements, especially at said links, thereby moving the relative position of the elements in a manner to act against the biasing means, thereby to cause an increase of the angle between them by providing an increase in working fluid pressure.
REFERENCES:
patent: 3284964 (1966-11-01), Saito
patent: 3481254 (1969-12-01), Wetherbee, Jr.
patent: 3495502 (1970-02-01), Bousso
patent: 3561330 (1971-02-01), Rich
patent: 3924519 (1975-12-01), England
patent: 4502280 (1985-03-01), McCoy
patent: 4841845 (1989-06-01), Beullens
patent: 4976191 (1990-12-01), Suzumori et al.
patent: 5018506 (1991-05-01), Danna et al.
patent: 5040452 (1991-08-01), Van Kerkvoort
patent: 5079999 (1992-01-01), Negishi et al.
patent: 5158005 (1992-10-01), Negishi et al.
patent: 5179934 (1993-01-01), Nagayoshi et al.
patent: 5201262 (1993-04-01), Negishi et al.
patent: 5251538 (1993-10-01), Smith
patent: 6901840 (2005-06-01), Yatsko et al.
Yatsko Dawn E.
Yatsko Joseph S.
Kershteyn Igor
Stauffer Dwight A.
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