Patent US20030105469A1 successfully refreshed from Google Patents.
US4203550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shower heads
Assignee: Hexagear Ind Ltd
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Filing: 1977-12-05
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Granted: 1980-05-20
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Expires: 1997-12-05
Abstract
Abstract A shower head comprises a water chamber and attachment means for connecting the water chamber to a water conduit. A rotor in the water chamber is rotated by swirling motion of the water and causes pulsating emission of water from holes in an end face of the water chamber. A movably mounted outer casing has windows formed therein to allow the pulsating emission through. Changing the position of the outer casing causes water to be emitted continuously from holes formed in the outer casing and sealed from the windows.
Inventors
- 👤 Lo Hou On
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:56
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B1/00; B05B1/02; B05B1/08; B05B1/083; B05B1/085; B05B1/14; B05B1/16; B05B1/1627; B05B1/1636; B05B1/1645; B05B1/1654; B05B1/18; B05B1/188; B05B1/189; B05B1/1894
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
381 words
A shower head having a hollow casing defining a fluid supply conduit; a circular housing having first and second end walls and an annular peripheral wall forming a fluid chamber; said housing having a fluid inlet port in said first end wall communicating with said supply conduit and secured to said casing; a rotor rotatably mounted in said chamber; said rotor having vanes thereon for impelling said rotor from fluid moving through said chamber; said second end wall having first fluid discharge openings therethrough arranged in circumferentially spaced groups and second fluid discharge openings circumferentially spaced from said first openings; said rotor having a base panel adjacent and generally parallel to said second end wall; said base panel having an opening therethrough arranged radially to overlap both said first and second discharge openings; an outer shell having inner and outer portions, the outer portion being cup-like and rotatable about said housing and having a front panel equipped with circumferentially spaced radially inner openings and a plurality of radially outer openings; said inner openings being radially aligned with said openings in said second end wall; means on the inner face of said front panel surrounding each of said inner openings and forming a seal therearound to create a fluid passageway between said inner openings and said first openings in said base panel when said shell is in one circumferential position and to close said first openings when said shell is in a second circumferential position; a chamber between said front panel and said second end wall surrounding said means and forming a chamber communicating with said radially outer openings and with said second openings when said shell is in said second position to redirect fluid to said second openings only; said outer and inner portions of said shell being threadedly joined together; means providing a liquid tight seal between said portions; said inner portion having a radially inwardly extending flange adjacent the inner face of said first end wall of said housing and providing said rotatable mounting of said outer shell on said housing; a seal seated between said flange and the inner face of said first end wall; said outer and inner portions entirely enclosing said housing and providing a circular grip for adjusting the operational characteristics of said shower head.
Claim 2
Dependent Claim
381 words
A shower head having a hollow casing defining a fluid supply conduit; a circular housing having first and second end walls and an annular peripheral wall forming a fluid chamber; said housing having a fluid inlet port in said first end wall communicating with said supply conduit and secured to said casing; a rotor rotatably mounted in said chamber; said rotor having vanes thereon for impelling said rotor from fluid moving through said chamber; said second end wall having first fluid discharge openings therethrough arranged in circumferentially spaced groups and second fluid discharge openings circumferentially spaced from said first openings; said rotor having a base panel adjacent and generally parallel to said second end wall; said base panel having an opening therethrough arranged radially to overlap both said first and second discharge openings; an outer shell having inner and outer portions, the outer portion being cup-like and rotatable about said housing and having a front panel equipped with circumferentially spaced radially inner openings and a plurality of radially outer openings; said inner openings being radially aligned with said openings in said second end wall; means on the inner face of said front panel surrounding each of said inner openings and forming a seal therearound to create a fluid passageway between said inner openings and said first openings in said base panel when said shell is in one circumferential position and to close said first openings when said shell is in a second circumferential position; a chamber between said front panel and said second end wall surrounding said means and forming a chamber communicating with said radially outer openings and with said second openings when said shell is in said second position to redirect fluid to said second openings only; said outer and inner portions of said shell being threadedly joined together; means providing a liquid tight seal between said portions; said inner portion having a radially inwardly extending flange adjacent the inner face of said first end wall of said housing and providing said rotatable mounting of said outer shell on said housing; a seal seated between said flange and the inner face of said first end wall; said outer and inner portions entirely enclosing said housing and providing a circular grip for adjusting the operational characteristics of said shower head.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-20 | 1983-11-19 | 1984-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-20 | 1987-11-19 | 1988-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-20 | 1991-11-19 | 1992-05-20 | $7700.00 | Window Closed / Lapsed |