Extensible mast

Details Extensible mast Extensible mast

1985-05-13

1986-12-02

Murtagh, John E.

Static structures (e.g., buildings)

Striplike unit, reversibly flexible and rigid

52111, 52745, 242 54A, E04H 1200

Patent

active

046254757

ABSTRACT:
An extensible mast is shown which is erected from a portable base having a plurality of tape reels mounted thereon. The tape reels are angularly oriented on the base with respect to a common, vertical axis, and each of the tape reels is adapted to receive a resilient metal tape having longitudinal edges for winding and unwinding the tape. A plurality of guide rollers on the base receive the respective longitudinal edges of the metal tapes and orient the tapes whereby the tapes are fed upwardly in planes parallel to the vertical axis and at an angle to each other to form a rigid structure. A geared winding mechanism, including a plurality of rotatable windings rotates about the vertical axis and wraps a wrap material about the rigid structure to reinforce the structure as it is being erected.

REFERENCES:
patent: 980157 (1910-12-01), Jaeger et al.
patent: 2130993 (1938-09-01), Dubilier
patent: 3012635 (1961-12-01), Blain
patent: 3213573 (1965-10-01), Bohr et al.
patent: 3242576 (1966-03-01), Wheeler
patent: 4237662 (1980-12-01), Kinzler
patent: 4453679 (1984-01-01), Thuries et al.

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