Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Reexamination Certificate
2007-10-09
2007-10-09
Canfield, Robert (Department: 3635)
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
C052S655100, C052S664000, C052S632000, C052S108000, C403S171000, C403S176000, C403S220000, C343S881000, C297S016200, C297S018000, C108S118000, C428S012000
Reexamination Certificate
active
10623787
ABSTRACT:
A radial-hinge mechanism includes one or more elongated members arranged and interconnected into a unique, geometry-based, closed-loop assembly often resembling a multi-point star when in its fully-closed mode. The mechanism's signature function is its variable nature of pivoting open from a centralized hinge-core as its substantially circular inner-aperture concurrently contracts in its own circular dimensions. Additionally, the mechanism has a natural susceptibility to spring-biasing techniques to further modify its versatility and performance. Applications for the mechanism include numerous support frameworks along with devices and apparatus encompassing the likes of: sheaves and spools; weight-scales and elevators; shock and impact absorbers; throwers and grabbers; interfaces with bellows for valves and pumps; interfaces with fans, props and cutters; interfaces with shafts for functions of braking, clutching, gripping; and a stacking of radial-hinge mechanisms or casting in arrays; in addition to combinations of forms and attachments applicable to the mechanism's multi-functional propensities.
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One page of woodcut-print in series of 141 items from unpublished treatise on machines by Johann E.E. Bessler, dated 1733.
Canfield Robert
Price Heneveld Cooper DeWitt & Litton LLP
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