FIELD: illumination engineering; lighting fixtures for poultry farms, greenhouses, storehouses.
SUBSTANCE: proposed device includes carrying cable with free ends, pair of lighting fixtures secured on ceiling stays and auxiliary sections of cable connected with carrying cable. Free ends of carrying cable are secured on drums for performing reciprocating motion. Carrying cable is connected with auxiliary sections by means of rollers secured on carrying cable and engageable with them. Some ends of these sections are connected with lighting fixtures and other ends are secured on ceiling stay.
EFFECT: extended functional capabilities due to simultaneous reciprocating and vertical motion of lighting fixtures.
1 dwg
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