System for automatically covering swimming pools and method ther

Details System for automatically covering swimming pools and method ther System for automatically covering swimming pools and method ther

1991-02-12

1993-02-09

Recla, Henry J.

Baths, closets, sinks, and spittoons

Pool type

Accessory

4498, E04H 400

Patent

active

051843560

ABSTRACT:
A system for deploying and retrieving a cover over a swimming pool. The cover is wound onto a motor driven reel. A guide spindle aligns the cover onto the reel during the winding process. A spool, also driven by the motor, has a tow rope wound on it. The tow rope is attached through a pulley system and secured to the cover to align the cover over the pool. Torque-limiting clutches on the reel and spool drive shafts compensate for changes in speed of the winding and unwinding of the tow rope and cover by allowing slippage of the drive shafts. An overriding clutch on the spool allows the spool to spin freely so the tow rope can be easily unwound from the spool by the movement of the cover. A friction brake band provides drag on the spool to prevent slack rope from accumulating. A photoelectric sensor detects full deployment and retrieval of the cover and stops the motor. A heating element is also provided to raise the temperature above the dew point to reduce condensation and corrosion in the system.

REFERENCES:
patent: 3050743 (1962-08-01), Lamb
patent: 3706844 (1972-12-01), Besier et al.
patent: 3844338 (1974-10-01), Hilgemann et al.
patent: 4060860 (1977-12-01), Lamb
patent: 4858253 (1989-08-01), Lamb
patent: 4955092 (1990-09-01), Hagen

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