Supports – Stand – Understructure
Reexamination Certificate
2006-02-17
2008-10-07
Chan, Korie H. (Department: 3632)
Supports
Stand
Understructure
C248S649000, C248S651000, C248S677000
Reexamination Certificate
active
07431248
ABSTRACT:
An attitude adjustment system for supporting an object and allowing an adjustment of the attitude thereof. The system includes a distributor defining a distributor chamber therewithin. The distributor also has a distributor external surface. The distributor further defines a plurality of distributor apertures extending from the external surface to the distributor chamber. A valve is provided, at least in part, within the distributor chamber for selectively interconnecting the distributor apertures and isolating the distributor apertures from each other. The system further includes a plurality of supports for supporting the object. Each support includes a sleeve defining a support chamber therewithin, and having a support external surface. The sleeve further defines first and second sleeve apertures extending from the support external surface to the support chamber. Each support further includes a piston extending through, and obstructing the first sleeve aperture. The second sleeve aperture of each support is in fluid communication with a respective distributor aperture.
REFERENCES:
patent: 3191954 (1965-06-01), Schuetz
patent: 4257618 (1981-03-01), Tax et al.
patent: 4637581 (1987-01-01), Wong
patent: 6009815 (2000-01-01), Hartman
patent: RE39477 (2007-01-01), Nellers et al.
Cormier Marcel
Coumoyer Steeve
Mailloux Eric
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