Static structures (e.g. – buildings) – Striplike unit – reversibly flexible and rigid
Patent
1982-06-21
1983-11-29
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Striplike unit, reversibly flexible and rigid
52632, 182 41, E04H 1200
Patent
active
044174241
ABSTRACT:
A longitudinally extendible, segmented boom structure includes a plurality of hollow, substantially V-shaped segments which are pivotally connected to adjacent segments for storage. A series of load-bearing cables extend through the segments for carrying loads. The segments have uniform cross-sections and progressively increasing lengths. Segments are stored in rolled-up form on a reel by pivoting the segments to form a coil of nesting segments. Each segment has laterally extending side flanges through which longitudinally extend the pre-tensioned load-bearing cables. The cables pass through the flanges on opposite sides of the boom segments for supporting vertical loads and resisting side loads on the boom. A second set of auxiliary cables on the underside of the boom is automatically payed out as the boom is extended. The auxiliary cables prevent the extended segments from collapsing when inverted. The center point of the segment reel is adjusted in elevation to automatically feed boom segments at an optimum angle into a segment dispenser and boom support structure which has rollers thereupon for cooperating with corresponding lands and grooves on the segment flanges.
REFERENCES:
patent: 209971 (1878-11-01), Juengst et al.
patent: 313387 (1885-03-01), Trimble
patent: 328345 (1885-10-01), Sees
patent: 598615 (1898-02-01), Miley
patent: 991401 (1911-02-01), White
patent: 1888181 (1932-11-01), Riesbol
patent: 2946556 (1960-07-01), Edgerton
patent: 3234698 (1966-02-01), Kimblern
patent: 3319803 (1967-05-01), Northcott
patent: 3337001 (1967-08-01), Huska et al.
patent: 3420331 (1969-01-01), Minnite
patent: 3708937 (1973-01-01), Sterner
LandOfFree
Segmented extendible boom does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Segmented extendible boom, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Segmented extendible boom will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-603428