Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1977-10-27
1980-03-18
Levy, Stuart S.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
210169, E04H 320
Patent
active
041931432
ABSTRACT:
A set of swimming pool steps of which the handrails are pipe members, one being part of the suction line of the water circulating and purifying systems and the other being the return line for the purified water. The handrail comprising the return line has its lower end blocked and is formed with one and preferably a plurality of lateral ports for injecting the purified water into the swimming pool in a direction substantially parallel to the wall of the pool where the steps are mounted. This arrangement not only makes perforation of the impermeable walls of the pool unnecessary but also provides a series of vertical streams of purified water in the pool to provoke circulation of the complete contents of the pool so as to permit improved mixture between the re-circirculated water and the water already in the pool.
REFERENCES:
patent: 2623234 (1952-12-01), Brown
patent: 2688148 (1954-09-01), Vance
patent: 3036712 (1962-05-01), Barbara
patent: 3090489 (1963-05-01), Smith
patent: 3139628 (1964-07-01), Richards
patent: 3806964 (1974-04-01), Vanegas et al.
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