A - Human Necessities – 63 – J
Patent
A - Human Necessities
63
J
A63J 1/02 (2006.01) B66D 1/00 (2006.01) B66D 1/40 (2006.01) B66D 1/46 (2006.01) B66D 1/60 (2006.01) B66D 1/74 (2006.01)
Patent
CA 2414854
A stage installation for vertical movement of multiple stage elements (10) has a computer controlled winch assembly comprising a support member (40a) having a channel (42), a platform (48) adjacent the support member (40a), electrical control and electrical power raceways (46, 44) in the channel (42), and a multiplicity of winches (50) supported on the platform (48). The winches (50) include a housing (52), a bidirectional servomotor (58), a rotating drum (54) driven by the motor (58) in either direction to haul or pay out cables (30) operatively connected to the stage elements (10). Connectors (60, 62) are coupled to the electrical power and electrical control raceways (44, 46), and a remote computer terminal (80) transmits signals to the winches (50) to initiate and terminate operation of the servomotor (58).
L'invention concerne une installation sc~nique servant ~ effectuer le mouvement vertical de plusieurs ~l~ments de scne (10). L'installation sc~nique pr~sente un ensemble de treuils command~ par ordinateur, qui comprend un ~l~ment de support (40a) muni d'un canal (42), une plate-forme (48) adjacente ~ l'~l~ment de support (40a), des canalisations (46, 44) de la commande ~lectrique et de la source d'~nergie plac~es dans le canal (42); et plusieurs treuils (50) dispos~s sur la plate-forme (48). Les treuils (50) comprennent un bo¹tier (52), un servomoteur bidirectionnel (58), un tambour rotatif (54) entra¹n~ par le moteur (58) dans un sens ou l'autre pour haler ou d~vider des c~bles (30) attach~s de manire fonctionnelle aux ~l~ments de scne (10). Des connecteurs (60, 62) sont coupl~s aux canalisations (46, 44) de la source d'~nergieet de la commande ~lectrique, et un ordinateur distant (80) transmet aux treuils (50) des signaux d'activation ou d'arrÚt du servomoteur (58).
Crossley James S.
Hennessey John M.
Marks & Clerk
Production Resource Group L.l.c.
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