Water spray gun
US9174226B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2014 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | May 8, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B9/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A water spray gun, including: a gun body, a valve switch, and a device for switching a spray pattern. The gun body includes: a water passage and double water hole. The valve switch includes: a button, a pressing piece including a unilaterally oblique plane, a rear plate including an inner guide rail, a rotating piece including a unilaterally oblique plane, a first spring, a front sealing ring, a switch rotating core, and a double sealing ring. The device for switching a spray pattern includes a water spray cap, a water spray plate, a decentered interface, a second spring, a wedge rotating piece for water diversion including a plurality of negative wedge blocks each including a negative wedge, a wedge push rod including a plurality of positive wedge blocks each including a positive wedge, a housing of a gun head, and a trigger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.