Battens system for raising and lowering sceneries on a stage

Details Battens system for raising and lowering sceneries on a stage Battens system for raising and lowering sceneries on a stage

1978-03-09

1980-04-22

Noland, Kenneth W.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

272 22, 160334, B66C 2360

Patent

active

041991338

ABSTRACT:
A battens system for raising and lowering sceneries or other loads on a stage is disclosed. The system comprises a support, a roller upon which at least one cable supporting a scenery is wound, a bearing assembly secured to the support for rotatably mounting the roller and including inclined bearings for longitudinally moving such roller at each turn by a distance equal to the pitch of the cable wound on or unwound from the roller, and a drive for rotating such roller.

REFERENCES:
patent: 1911601 (1933-05-01), Boughton
patent: 2112865 (1938-04-01), Putnam
patent: 2659573 (1953-11-01), Smith, Sr.
patent: 2776815 (1957-01-01), Sheard
patent: 2942879 (1960-06-01), Izenour
patent: 3052426 (1962-09-01), Avis
patent: 3368796 (1968-02-01), Ulbing
patent: 3804370 (1974-04-01), Woodard
patent: 3836123 (1974-09-01), Bausenbach et al.
patent: 3977652 (1976-08-01), Mauch

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