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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0193384 (1994-02-08) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 27 인용 특허 : 0 |
A sprinkler having a nozzle for directing a desired flow of water therefrom, the sprinkler having a water turbine drive device for rotating the nozzle in response to water passing through the sprinkler; the sprinkler has a seal between its cover and housing and with a pop-up riser, the nozzle being
A sprinkler, said sprinkler having a housing, a riser member in said housing, a cover on the top of said housing, said riser member extending through an opening in said cover for movement between an extended “operating”position and a retracted “off”position, spring means for placing said riser memb
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