Static structures (e.g. – buildings) – Mechanism operated relatively movable shaft assembly – Tilts relative to base
Patent
1981-02-25
1983-09-27
Murtagh, John E.
Static structures (e.g., buildings)
Mechanism operated relatively movable shaft assembly
Tilts relative to base
52115, 182 40, 182195, B66C 2304
Patent
active
044060971
ABSTRACT:
A telescopic boom arrangement comprises an innermost member, a plurality of intermediate tubular sections 12, and an outermost tubular member, each nested together, the arrangement being adapted so that sequential erection of the members from a stowed position is ensured, commencing with the innermost member, progressing with the next outer member and so on. Each intermediate member includes latching means 24 which serve both to lock the next inner member in a stowed position and to lock that member in an extended position. Unlatching of the latch means 24 of an intermediate member to allow extension of the next inner member is effected by fingers 23 on the next-but-one inner member when that member approaches its extended position. When the next inner member reaches its extended position, it is locked by means of latching means 24 engaging slot 25.
REFERENCES:
patent: 2858154 (1958-10-01), Johansson
patent: 4254423 (1981-03-01), Reinhard
Proc. European Symp. on Photovoltaic Generators in Space, "The ESA Lightweight Hybrid Solar Array", P. A. Champion et al., Sep. 11-13, 1978, -ESA SP.-140 Nov. 1978, pp. 247-253.
British Aerospace Public Limited Company
Chilcot Jr. Richard E.
Murtagh John E.
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