Geared expanding structures

Details Geared expanding structures Geared expanding structures

2003-12-22

2008-12-16

Katcheves, Basil (Department: 3635)

Static structures (e.g., buildings)

Compound curve structure

Geodesic shape

C052S645000

Reexamination Certificate

active

07464503

ABSTRACT:
A folding linkage is hereby disclosed that is comprised of four links, each link having a bevel gear on its end, where each link is in geared contact with a neighboring link, such that both links are held together by a hub element that is small relative to the two links. An alternate embodiment of the invention has links that have a spur gear on each end, whereby each gear end is engaged with a central rack (linear gear).

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patent: 5024031 (1991-06-01), Hoberman
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patent: 5363627 (1994-11-01), Wilson
patent: 7125015 (2006-10-01), Hoberman et al.

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