Patent ID: 11939995
Assignee: ELECTRONICS FOR IMAGING, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  F | IPC F

Claim 15:
16. A method comprising:
providing a pressurized chamber including an aperture to intake a fluid;
providing an eversion-based actuator in a plurality of eversion-based actuators including a reel of material expandable upon intaking the fluid;
providing a first valve coupled to the pressurized chamber and connecting the pressurized chamber to a first pressure source via the aperture,
upon activation, the first valve to enable intake of the fluid into the pressurized chamber;

providing a second valve coupled to the pressurized chamber and connecting the pressurized chamber to a second pressure source via the aperture,
a pressure of the fluid in the first pressure source exceeding a pressure of the fluid in the second pressure source, and
upon activation, the second valve to enable outflow of the fluid from the pressurized chamber; and

providing a passive retraction system exerting a retraction force on the reel of material causing the reel of material to shorten when the retraction force exceeds an expansionary force exerted by the fluid in the pressurized chamber.