Pressure-adjustable jet spray nozzle for cleaning machine
US7871019B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 1, 2009 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Aug 13, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B1/304
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An adjustable jet gun for cleaning machine includes a barrel, a pressure adjustment sleeve fastened to the front end of the barrel and operable to adjust the pressure of water delivered through the adjustable jet gun, a support ring sleeved onto the front end of the pressure adjustment sleeve and holding a steel ball in each of a number of ball racks around the periphery thereof, a sliding sleeve sleeved onto the support ring and movable to force the steel balls out of the inside wall of the support ring, a nozzle head detachably connected to the front end of the support ring and having a positioning groove extending around the periphery of a rear positioning ring thereof for receiving the steel balls to lock the nozzle head to the support ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.