Connection structure of a nozzle and extension pipe of a...

Details Connection structure of a nozzle and extension pipe of a... Connection structure of a nozzle and extension pipe of a...

2005-07-05

2005-07-05

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Flow line or nozzle attached or carried handgrip or handle

Spray pole type

C239S280000, C239S280500, C239S281000, C239S530000

Reexamination Certificate

active

06913211

ABSTRACT:
A sprinkler includes a handle, a nozzle, and a connection structure for connecting the nozzle to the handle. The connection structure has an extension pipe and a connection member. The extension pipe is formed of an outer tube fastened at a bottom end to the handle, and an inner tube fastened at a top end to the nozzle. The connection member is formed of a first connector and a second connector. The first connector is engaged with a top end of the outer tube and is engaged with the second connector. The inner tube is slidably fitted at a bottom end into the top end of the outer tube through the first connector such that the inner tube is intimately embraced by the first connector.

REFERENCES:
patent: 4489914 (1984-12-01), Stevenson et al.
patent: 5462311 (1995-10-01), Cipolla
patent: 5622446 (1997-04-01), Hibberd
patent: 6045284 (2000-04-01), Chiu
patent: 6216965 (2001-04-01), Chao
patent: 6322006 (2001-11-01), Guo
patent: 6447021 (2002-09-01), Haynes
patent: 6581853 (2003-06-01), Huang
patent: 6619570 (2003-09-01), Ericksen et al.
patent: 6634822 (2003-10-01), Wang

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