# US 7,607,789 B2 · Rotating light-emitting structure for a shower head

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- Number: US 7,607,789 B2
- Document ID: US7607789B2
- Status: Granted
- Kind: B2
- Application number: 12/186,440
- Filed: 2008-08-05
- Published: 2009-02-12
- Granted: 2009-10-27
- Earliest claimed: 2007-08-07
- Inventors: Kun-Sung Lu; Te-Liang Chan
- Web page: https://patentgrep.com/patent/US7607789B2

## CPC

- F21S 9/046: {driven by hydropower, e.g. by water powered turbines}
- B05B 1/1881: {associated with position or movement indicating means}
- B05B 1/189: {actuated by a rotating movement}
- B05B 1/1894: {located in or on the outlet wall}
- F21V 33/004: {Sanitary equipment, e.g. mirrors, showers, toilet seats or paper dispensers}
- B05B 1/18: Roses; Shower heads
- Y10S 362/80: Light emitting diode
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D)
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

A rotating light-emitting structure for a shower head comprises a housing provided for accommodation of a coverture and a light-emitting device. The coverture integrally encloses the light-emitting device. The coverture and the light-emitting device are coaxially pivoted in the housing. The liquid flows in the housing and sprays from the housing to impact the coverture, so as to make the coverture and the light-emitting device rotate coaxially. The light-emitting device rotates to generate electricity for illumination. By such arrangements, when the power is cut off, the rotating light-emitting structure for a shower can emit light for illumination without using batteries or other power sources.

## Claims

### Claim 1

A rotating light-emitting structure for a shower head, comprising:
a housing being provided with a holding portion, at least one water outlet, the holding portion being disposed at one end of the housing, the water outlet being disposed adjacent to the holding portion for outflow of liquid;
a coverture being disposed in the holding portion of the housing and impacted by the liquid from the water outlet of the housing; and
a light-emitting device being integrally disposed in the coverture and provided with plural light-emitting elements, the light-emitting device and the coverture being coaxially pivoted to the holding portion of the housing, the light-emitting device rotating to generate electricity for the light-emitting elements rotating with the light-emitting device to emit rotating light; wherein
the liquid flows in the housing and then sprays from the water outlet to impact the coverture, so as to make the coverture and the light-emitting device to rotate coaxially, thus making the light-emitting device rotate to generate electricity for the light-emitting elements rotating with the light-emitting device to emit light for illumination.

### Claim 2 (depends on 1)

The rotating light-emitting structure for a shower head as claimed in claim 1, wherein the housing is provided with a guiding portion, the holding portion, a fixing portion, the at least one water outlet and a pivot member, the guiding portion is arranged in a grip portion of the housing for guiding the liquid, the holding portion is arranged in the housing far away from the grip portion and provided for accommodation of the coverture and the light-emitting device, in a center of the holding portion is provided the fixing portion in which the pivot member is pivoted, the coverture and the light-emitting device are coaxially pivoted in the fixing portion by the pivot member, the water outlet penetrates the guiding portion and the holding portion, and the water sprays from the water outlet of the guiding portion to impact the coverture, so as to make the coverture and the light-emitting device rotate coaxially.

### Claim 3 (depends on 1)

The rotating light-emitting structure for a shower head as claimed in claim 1, wherein the coverture is provided with a covering member, a driven member and plural bearing members, the covering member is provided for accommodation of the light-emitting device, the driven member closely fits over the covering member, and the covering member and the driven member are each provided with one bearing member.

### Claim 4 (depends on 1)

The rotating light-emitting structure for a shower head as claimed in claim 1, wherein the covering member is provided with a receiving portion, plural engaging portions and a mounting hole, the receiving portion is provided in a center of the covering member for accommodation of the light-emitting device, around an inner surface of the receiving portion are provided three spaced-apart engaging portions for engagement with the light-emitting device, the mounting hole is mounted on one of the bearing members, the driven member is in contact with the receiving portion of the covering member closely, the driven member is provided with plural groove-shaped or wave-shaped driven portions to be impacted by the liquid spraying from the water outlet of the guiding portion, and a mounting hole to be mounted on the other of the bearing members.

### Claim 5 (depends on 2)

The rotating light-emitting structure for a shower head as claimed in claim 2, wherein a stator and a mover of the light-emitting device are in engagement with each other, around an outer surface of the mover are provided plural light-emitting elements.