Leakproof perfume spray head

Details Leakproof perfume spray head Leakproof perfume spray head

2006-07-25

2006-07-25

Nicolas, Frederick C. (Department: 3754)

Dispensing

Fluid flow discharge

Fluid flow generated by manually actuated working member

C222S209000, C222S153120, C222S153140, C239S318000, C239S434000

Reexamination Certificate

active

07080760

ABSTRACT:
A leakproof perfume spray head comprises a spray head, a locking shell, an inner sleeve, a rotation shaft, and an outer cover, wherein the locking shell is locked to a perfume bottle and a sleeving section on a lower end of the inner sleeve is inserted into the locking shell. An orientation ring is jammed in the shallow trench that forms on the top of the inner sleeve, wherein the center of the shallow trench communicates with a first through hole. A threaded section is formed on the inner surface of the first through hole. The rotation shaft includes a second through hole and protrudent circular teeth. The protrudent threads are engaged with the threaded section, wherein a gap is formed between the inner sleeve and the first through hole. The protrudent threads of the rotation shaft are locked to the threaded section of the inner sleeve.

REFERENCES:
patent: 2622770 (1952-12-01), Penno
patent: 2755132 (1956-07-01), Croce
patent: 3632046 (1972-01-01), Hengesbach
patent: 3770209 (1973-11-01), Wilcox
patent: 4123005 (1978-10-01), Blunk
patent: 4383622 (1983-05-01), Guth
patent: 5529244 (1996-06-01), Horvath, et al.
patent: 5738254 (1998-04-01), de la Guardia
patent: 6042026 (2000-03-01), Buehler, II
patent: 6094778 (2000-08-01), Boukas
patent: 6991136 (2006-01-01), de la Guardia

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