Shower head
US4497444A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1982 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | Oct 28, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/654
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A shower head is disclosed of the type having a pivotally mounted spray head. The shower head comprises a first member adapted for attachment to a water supply pipe and a spray head pivotally mounted to the first member. The first member includes a concave, socket-defining surface with a water supply aperture therein. The spray head has an inner spray body, through which the water flows, and an outer retaining sleeve, which secures the spray body to the first member. To prevent leakage between the spray body and the sleeve, an annular seal is carried by the spray body and slidably engages the concave surface of the first member along a line which encloses the water supply aperture at all pivot positions of the spray head. In the preferred embodiment, the inlet end of the spray body defines a flow-limiting vortex chamber, into which water is directed in a swirling action. As presently understood, the swirling action creates a centrifugal action away from the center outlet of the vortex chamber, which limits the volume of water flowing through the spray body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.