| 摘要 |
411,491. Pivoted-window regulators. GOTT, A., and REYNOLDS, F. E., Hawes Side Lane, Marton, Blackpool. Dec. 8, 1932, No. 34859. [Class 20 (iii).] Regulating mechanism for a number of greenhouse or like lights comprises a cable 1 preferably of wire connected to the lights by bell cranks 5 and links 8, and actuated by a lever 2 and a counterbalance 3. The bell cranks are adjustably connected to the cable by grooved clamping members 6, tongue-and-groove positioning means being formed on the engaging faces. The levers 2 may have gravity-actuated catches 18 on the guide-bars 17 to hold them in any position.
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