Collapsible motor operated antenna

Details Collapsible motor operated antenna Collapsible motor operated antenna

H - Electricity

01

Q

351/50, 351/7, 7

H01Q 1/10 (2006.01) F16H 19/00 (2006.01) F16H 21/00 (2006.01) F16H 25/00 (2006.01) F16H 37/00 (2006.01) H01Q 1/32 (2006.01) H01Q 1/34 (2006.01) H01Q 9/30 (2006.01)

Patent

CA 1208353

Collapsible Motor-Operated Antenna Abstract A retractable motor-driven antenna 10 of compact size and light weight capable of being supported at the top of a support tube 14. A molded plastic housing 12, 30 in part forms the drive motor. A drive transmission 34 for extending and retracting the antenna mast 15 uses a timing belt 78 and pulley wheels 61 62 and includes an overrunning clutch 84 or energy storage and release interconnection 76 between a driven pulley wheel 62 and a hub 64 that drives a flexible cord 46 connected to the antenna mast. A switch assembly 32 within the housing includes a transducer 99 which senses rotation of the hub 64 and automatically stops the drive when the mast reaches its extended or retracted position or is obstructed.

437736

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