Spa construction and isolated controls therefor
US4233694A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1979 |
| Grant date | Nov 18, 1980 |
| Priority date | — |
| Expiry date | Jan 22, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2033/0058
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spa construction for use by humans comprising a shell for containing water and having a well for receiving the feet of the user. A seat is provided adjacent the well upon which the user can sit. A side wall is provided against which the user can rest his back. A first pump is provided having an inlet coupled into the bottom portion of the shell for withdrawing water from within the shell and an outlet coupled to the shell above the seat for introducing jets of water into the shell. An air inlet is provided for mixing air into the jets of water introduced into the shell. A filter and heater housing is carried by the shell and has disposed therein filter and heater elements. An additional pump is provided having an inlet coupled to the shell for drawing water from the shell into the filter and heater housing and discharging the same through an outlet coupled to the shell. Electrically isolated controls carried by the shell are accessible to the user from within or without the shell for controlling the first and second pumps and the heater elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.