Baths – closets – sinks – and spittoons – Vapor or heat in bath – Collapsible
Patent
1999-02-22
2000-05-02
Eloshway, Charles R.
Baths, closets, sinks, and spittoons
Vapor or heat in bath
Collapsible
4531, A61H 3306
Patent
active
060556846
ABSTRACT:
A sauna having (i) a sauna chamber of a size to accommodate a person therein, and two side walls, a front wall, a rear wall, and a ceiling, (ii) a ventilation opening in a wall of the sauna chamber, the opening being at a height corresponding to the location of the head of a person within the chamber and having a size sufficient to provide a low temperature sauna due to the communication of air between the interior and the exterior of the sauna chamber, (iii) a lid for selectively opening and closing the ventilation opening, and (iv) a detachable engaging mechanism for maintaining the lid in a preselected position relative to the opening, wherein the ventilation opening is substantially circular and has a diameter and an inner peripheral surface on the wall, and the detachable engaging mechanism has an annular engaging groove formed on the inner peripheral surface, a slider, an engaging claw on the slider, the slider being diametrically movable on the lid, a spring biasing the engaging claw into engagement with the engaging groove, and a knob for manually operating the slider for releasing the engagement against the bias of the spring.
REFERENCES:
patent: 247670 (1881-09-01), Markham
patent: 569808 (1896-10-01), Wyckoff
patent: 1488404 (1924-03-01), Monford
patent: 2346827 (1944-04-01), Cotter
patent: 2539710 (1951-01-01), Sziklay
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