Title:
ノズル継手アセンブリ
Document Type and Number:
Japanese Patent JP6963321
Kind Code:
B2
Abstract:
To provide a nozzle joint assembly suppressing the corotation of a nozzle joint when rotating a second casing, and the loosening of the connection of a spray nozzle unit thereby, in a splay system in which a position of the plurality of spray nozzles included in the spray nozzle unit is switched by rotating the second casing on a first casing on the unit.SOLUTION: A nozzle joint composed of a resin pipe joint 3, a union nut 12, and a telescopic nipple 13 is additionally provided with a rotation-preventive ring 15 that has a projecting portion 15a fitted with a slit 14 on an outer periphery of a collar 13a of the telescopic nipple, and a wedge-shaped projection 15b biting into a tip end of the pipe joint 3. The rotation-preventive ring 15 is held between the collar 13a on the outer periphery of the telescopic nipple and the pipe joint 3.SELECTED DRAWING: Figure 1
Inventors:
Yoshinari Imagawa
Application Number:
JP2019209289A
Publication Date:
November 05, 2021
Filing Date:
November 20, 2019
Export Citation:
Assignee:
Yamaha Industrial Co., Ltd.
International Classes:
B05B1/14; B05B1/12; F16L19/025; F16L21/035; F16L21/08
Domestic Patent References:
| JP2018138285A | ||||
| JP2002504213A | ||||
| JP9032984A |
Foreign References:
| US20010038206 | ||||
| WO2018047227A1 | ||||
| CN108351054A |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Bunji Kamada
Yaichiro Nakatani