[특허]Hand spray mounts with integral backflow prevention

[미국특허] Hand spray mounts with integral backflow prevention 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47K-003/20 A47K-004/00
출원번호	US-0226680 (2002-08-26)
발명자 / 주소	Antoniello, Frank Wieman, Elmo John
출원인 / 주소	I.W. Industries, Inc.
대리인 / 주소	Walker, Alfred M.
인용정보	피인용 횟수 : 65 인용 특허 : 5

초록 ▼

A wall mount provides the normal hose connection for attachment of the hose of a hand-held spray head while integrating a backflow preventer in an aesthetically pleasing unit. The wall mount preferably uses two spring-biased check valves with an integral air inlet and check valve to form redundant backflow prevention as well as an active vacuum breaker which substitutes ambient air for dirty water in the case of vacuum build-up. The wall mount includes a seal and locking technique which permits exact set-up of the orientation and wall fit of the unit with simple tools. An alternate embodiment of the wall mount also integrates the hook which holds the handle of the hand-held spray head.

대표청구항 ▼

1. A shower hand spray wall mount with integral backflow prevention comprising: a housing connected to a water supply, said housing attaching a flexible hose of a hand-held spray head to a wall, said housing having an axially extending bore therewithin and an external hook holding a handle of said hand-held spray head, said housing integrating a IAMPO/ASME mandated backflow preventer, including at least one check valve communicating with an integral vacuum breaking air inlet substituting ambient air for dirty water into a water inlet of said axially extending bore, in the case of vacuum build-up within said bore of said housing, said at least one check valve permitting flow of air into said housing through said vacuum breaking air inlet when dirty water enters said axially extending bore of said housing upon said buildup of the vacuum within said axially extending bore of said housing. 2. The shower hand spray wall mount as in claim 1 wherein said vacuum breaking air inlet comprises an arcuate slot being provided in an exterior wall of said housing, said arcuate slot communicating with said at least one axially extending bore within said housing. 3. The shower hand spray wall mount as in claim 2 wherein said vacuum breaking air intake slot fans outward from said at least one axially extending bore within said housing. 4. The shower hand spray wall mount as in claim 1 wherein said at least one check valve comprises a plurality of check valves. 5. The shower head spray wall mount as in claim 4 wherein one of said check valves is placed in a cavity, permitting air intake through said slot in case of a vacuum build-up. 6. The shower hand spray wall mount as in claim 4 wherein one of said check valves is placed in an inlet nipple. 7. The shower hand spray wall mount as in claim 4 wherein a check valve is placed within said hose nipple to block backflow of dirty water from said hose. 8. The shower hand spray wall mount as in claim 4 further comprising a lumen bore extending transversely to said at least one inner bore of said housing, said transversally extending bore receiving a hose nipple connected to said hose. 9. The shower hand spray wall mount as in claim 4 wherein said housing slips over a smooth section of said water inlet nipple, said housing being threaded such that external threads of said water inlet nipple engage internal threads of said housing until a proper fit against a wall with said threaded lumen bore pointing downward.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Gnauert Werner (Iserlohn DEX) Jensen Hans-Jrgen (Welver-Scheidingen DEX), Backflow preventer for hand spray.
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Luisi Domenic (Schomberg CAX), Backflow prevention device and vacuum breaker for kitchen plumbing.
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Sand William F. (Cincinnati OH), Chemical eductor with integral elongated air gap.
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Breda Silvano,CAX ITX M3J 2R1, Diverter valves with integral back flow preventer and inlet check and outlet check valve mechanisms and improvements th.
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Kevin Norman Raisch, Extendable bathtub spout.
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이 특허를 인용한 특허 (65) 인용/피인용 타임라인 분석

Neagoe, Alexandru, Adapter for attachment to water supply pipes and exterior conduits.
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Miller, Michael; Bailey, Curtis J.; Dingler, Noah; Daunter, Dominic, Adjustable mount for showerhead.
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Leber, Leland C., Bracket for hand shower.
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Fan, Chen-Yueh, Collapsible handle for a shower head.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Connection structure for handheld showerhead.
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Leber, Leland C., Converging spray showerhead.
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Macan, Aaron Damian; Quinn, Michael J., Drenching shower head.
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Macan, Aaron Damian; Quinn, Michael J., Drenching showerhead.
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Luettgen, Harold A.; Golichowski, Gary D.; Sokol, Gary L., Dual turbine showerhead.
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Luettgen, Harold A.; Golichowski, Gary D.; Sokol, Gary L., Dual turbine showerhead.
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Leber, Leland C., Hand shower.
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Leber, Leland C.; Moser, Anne Clare; Belliveau, Scott, Hand shower.
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Newson, Marc Andrew, Hand shower.
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Quinn,Michael J.; Williams,Brian R.; Belliveau,Scott; Moser,Anne Clare, Hand shower.
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Quinn,Michael J.; Williams,Brian R.; Moser,Anne Clare; Belliveau,Scott, Hand shower.
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Whitaker, Carl T.; Leber, Leland C., Hand shower.
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Leber, Leland C., Hand shower with an extendable handle.
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Peterson, Preston; Zhuang, Zuqiang, Handheld showerhead.
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Peterson, Preston; Zhuang, Zuqiang, Handheld showerhead.
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Peterson, Preston; Zhuang, Zuqiang, Handheld showerhead.
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Quinn, Michael J., Handheld showerhead.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Handheld showerhead with fluid passageways.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Handheld showerhead with mode control and method of selecting a handheld showerhead mode.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Handheld showerhead with mode control in handle.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Handheld showerhead with mode selector in handle.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Handheld showerhead with mode selector in handle.
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Thurgood, Jeffrey, Handheld spray nozzle.
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Thurgood, Jeffrey Clayton, Handheld spray nozzle.
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Leber, Leland C., Hidden pivot attachment for showers and method of making same.
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Leber, Leland C., Low flow showerhead and method of making same.
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Leber, Leland C., Low speed pulsating showerhead.
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Leber, Leland C., Low-speed pulsating showerhead.
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Williams, Brian R., Mode control valve in showerhead connector.
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Ho, Chin-Hua, Mounting bracket for a shower head.
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Leber, Leland C., Pivot attachment for showerheads.
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Leber, Leland C., Pivot ball attachment.
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Quinn, Michael J.; Leber, Leland C.; Luettgen, Harold A.; Cacka, Joseph W., Ring-shaped handheld showerhead.
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Quinn, Michael J.; Leber, Leland C.; Luettgen, Harold A.; Cacka, Joseph W., Ring-shaped handheld showerhead.
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Quinn, Michael J.; Leber, Leland C.; Luettgen, Harold A.; Cacka, Joseph W., Ring-shaped wall mount showerhead.
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Quinn, Michael J.; Leber, Leland C.; Luettgen, Harold A.; Cacka, Joseph W., Ring-shaped wall mount showerhead.
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Luettgen, Harold A.; Golichowski, Gary, Rotatable and pivotable connector.
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Whitaker, Carl T.; Leber, Leland C.; Williams, Brian Randall, Shower assembly with radial mode changer.
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Luettgen, Harold A.; Golichowski, Gary D.; Sokol, Gary L., Shower head with enhanced pause mode.
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Fritz, Seth, Shower mount.
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Patterson, Charles A.; Giggs, Julian C.; Miller, Michael; Hoernig, Victor, Shower saddle.
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Leber, Leland C., Showerhead.
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Quinn,Michael J.; Williams,Brian R.; Belliveau,Scott; Callif,Adam, Showerhead.
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Williams, Brian R., Showerhead.
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Williams, Brian R., Showerhead.
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Leber,Leland C., Showerhead assembly.
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Leber,Leland C., Showerhead assembly.
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Whitaker, Carl T.; Leber, Leland C., Showerhead assembly.
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Whitaker, Carl T.; Leber, Leland C., Showerhead assembly.
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Quinn, Michael J.; Leber, Leland C.; Luettgen, Harold A.; Saunders, Ryan, Showerhead bracket.
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Leber, Leland C.; Williams, Brian R., Showerhead system.
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Luettgen, Harold A.; Golichowski, Gary D.; Sokol, Gary L., Showerhead with enhanced pause mode.
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Whitaker, Carl T.; Leber, Leland C.; Williams, Brian Randall, Showerhead with flow directing plates and radial mode changer.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Showerhead with movable control valve.
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Luettgen, Harold A.; Leber, Leland C.; Quinn, Michael J., Showerhead with rotatable control valve.
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Leber, Leland C.; Williams, Brian R., Showerhead with tube connectors.
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Cacka, Joseph W.; Leber, Leland C.; Quinn, Michael J., Showerhead with turbine driven shutter.
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Felix,Augustus; Ranucci,Kevin; Kullas,Karen E.; Angell,Adam P.; Futato,Lisa; Hass,Dan, Suction limiting device with variable control.
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Peterson, Preston; Zhuang, Zuqiang, Wall mount showerhead.
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Peterson, Preston; Zhuang, Zuqiang, Wall mount showerhead.
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Peterson, Preston; Zhuang, Zuqiang, Wall mount showerhead.
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[미국특허] Hand spray mounts with integral backflow prevention 원문보기

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이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

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[미국특허] Hand spray mounts with integral backflow prevention 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

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