Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1974-10-15
1976-09-28
Artis, Henry K.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
E04H 319, E04H 316, F16L 2102
Patent
active
039822869
ABSTRACT:
A flexible cover is stored in rolled condition on a reel at one end of a swimming pool. Cables extend along the pool sides and over a reversing pulley for attachment to a trolley secured to the free cover end. The cable cover reels are driven at the same rotational rate and a cable slack take-up mechanism is provided for maintaining the cover and the cables free of substantial slack throughout reeling and unreeling movement. Means are provided that operate during reeling movement of the swimming pool cover to allow water accumulated on top thereof to flow off the cover into the swimming pool while retaining debris, such as leaves, twigs and the like on top of the cover for movement out of the swimming pool.
REFERENCES:
patent: 2754899 (1956-07-01), Karobonik et al.
patent: 2898607 (1959-08-01), McGuire
patent: 3019450 (1962-02-01), Karasiewicz
patent: 3094710 (1963-06-01), Hoke
patent: 3096078 (1963-07-01), Steingass et al.
patent: 3184764 (1965-05-01), West
patent: 3277498 (1966-10-01), Kleinbard et al.
patent: 3499174 (1970-03-01), Carey
patent: 3501783 (1970-03-01), Broadman
patent: 3747132 (1973-07-01), Foster
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