Nozzle and retaining arrangement
US4616856A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1985 |
| Grant date | Oct 14, 1986 |
| Priority date | — |
| Expiry date | Apr 25, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S285/921
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A retention arrangement is provided for two members that are arranged to be assembled one within the other. The retention arrangement includes cooperating structure of the two members that is operative after the two members are assembled to a predetermined point; for example, by the threading of one member within the other to a predetermined point of engagement. The cooperating structure includes the provision of an annular ridge formed on the inside of a first of the members, the first member being threadingly engaged or otherwise assembled into the second member, and the provision of an annular ridge on the outside of the second member. The two ridges move past each other after a first predetermined point of engagement between the two members. Further engagement of the two members causes the two ridges to cooperate so as to interfere with each other upon any tendency toward disassembly of the two members. In one specific embodiment, the first member is a tubular nozzle with external threads that is threaded into a second tubular, receiving member having mating internal threads. The annular ridge on the nozzle is provided on the portion of the nozzle that first enters the receivin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.