Unfurling device for tubular extendible structures

Details Unfurling device for tubular extendible structures Unfurling device for tubular extendible structures

1976-03-18

1977-04-19

Mautz, George F.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

52108, B65H 7538, E04H 1218

Patent

active

040183971

ABSTRACT:
A system for simultaneously extending two storable tubular extendible members, each such member being composed of two elongate strips of elastically deformable material, each strip having been fabricated to normally assume the form of a tube having an axis parallel to the length of the strip and being capable of being coiled about an axis perpendicular to such tube axis and of being flattened in the direction of its width while retaining its ability to assume the form of a tube upon being uncoiled, there being provided two coiling drums each arranged to carry one respective component strip of each tubular member and the drums being arranged to be rotated simultaneously in order to uncoil the strips in a manner to extend the two tubular members, or to coil the strips in a manner to retract the tubular members. The system can be arranged to provide any number of pairs of tubular members by providing a plurality of axially spaced pairs of coiling drums each carrying two such strips.

REFERENCES:
patent: 2842768 (1958-07-01), Halperin
patent: 3385397 (1968-05-01), Robinsky
patent: 3434674 (1969-03-01), Groskopfs
patent: 3608844 (1971-09-01), Tumulty, Jr.
Rimrott, F., Entwurf und Berechnung von Lapprohen Luftfahrttechnik Raumfahrttechnik--vol. 14, No. 1, Jan. 1968, pp. 1-6.
MacNaughton et al., The Bi-Stem-A New Technique in Unfurlable Structures-2nd Aerospace Mechanisms Symposium, Preprint No. 18, May 1967.

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