Static structures (e.g. – buildings) – Striplike unit – reversibly flexible and rigid
Patent
1987-03-03
1988-05-24
Scherbel, David A.
Static structures (e.g., buildings)
Striplike unit, reversibly flexible and rigid
242 54R, E04H 1218
Patent
active
047457147
ABSTRACT:
There is disclosed a novel articular pole assembly, comprising: an articular pole which is composed of a continuous series of unit block members connected to one another by pins, the unit members each having a main body formed by bending a relatively tough and hard plate material in such a manner that the main body has a channel-like cross-section, each block member also having a connecting plate pivotally supported by the main body at open terminal portions of the main body, the main body having stepped areas where projected parts are present, so that the projected parts of one block member can be releasably engaged with corresponding recess parts of the main body of the adjacent block member, the main body being provided with notches which can be releasably engaged with the connecting plate, the main body having a teeth portion which can be releasably engaged with a sprocket for driving the articular pole; and a take-up reel for storing the articular pole in a wound or curved state thereon.
REFERENCES:
patent: 1804134 (1931-05-01), Unger
patent: 2419321 (1947-04-01), Lopes
patent: 2481471 (1949-09-01), Crot
patent: 4406096 (1983-09-01), Matsutani
Dennison Caroline D.
Scherbel David A.
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