Patent · US Expired

Sprinkler

US5370311A · kind A · utility

36Cited by
7References
4Claims
0Family size

Inventor

Key dates

Filing dateApr 11, 1994
Grant dateDec 6, 1994
Priority date
Expiry dateApr 11, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S239/01
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A sprinkler includes a main body, a head part, a bracket and a swinging arm. The head part has two outlets disposed therein and the bracket has an extending strip disposed thereon and is disposed above an upper end of the head part. The extending strip has a first distributing plate with a rough surface formed thereon and which is rotatabiy engaged thereto. The swinging arm is pivotally engaged between the head part and the bracket via a spring disposed between the bracket and the swinging arm, and extends transversely through the bracket. A second distributing plate, having a rough surface formed thereon, is engaged to an end of the swinging arm, such that water ejected from one of the outlets will impact on the first distributing plate after impacting the second distributing plate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.