Quick insert nozzle for tools

Details Quick insert nozzle for tools Quick insert nozzle for tools

2006-11-09

2008-09-02

Dunwoody, Aaron M (Department: 3679)

Pipe joints or couplings

Swivel

Pipe in socket type

C285S098000

Reexamination Certificate

active

07419191

ABSTRACT:
A quick insert nozzle structure has a pipe connector connected to an insert nozzle. An end of the pipe connector has a containing groove for connecting a joint of a quick insert nozzle that has three circular grooves. An external circular groove installs a washer; a middle circular groove embeds balls, and an internal circular groove embeds a dust resisting cover. The balls match the joint for installing the balls and the washer. The wide groove diameter is coupled to the narrow groove diameter to form a guiding cambered surface, and the thickness of the wide groove diameter is reduced to form a thin covering plate. After the joint is installed, the thin covering plate is stamped to limit the balls, and a dust resisting cover is installed to complete assembling the quick insert nozzle. This invention not only makes the assembling process easy, but also prevents possible leaks.

REFERENCES:
patent: 2384360 (1945-09-01), Allen et al.
patent: 2531021 (1950-11-01), Bard
patent: 3290068 (1966-12-01), Jackson
patent: 3517952 (1970-06-01), McCracken

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