The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8672191 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 18, 2014

Filed:

Jan. 14, 2009
Applicant:

Chung Kee Lee, Seoul, KR;

Inventor:

Chung Kee Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a hand-operated spray pump configured to discharge a predetermined amount of content upon pressing a button and to suction a residual portion of the content in an end of a nozzle after discharging the content, the hand-operated spray pump including a housing forming the external appearance of the pump, a housing cap configured to seal the internal space of the housing from the outside, the closure configured to mount a container containing content in the housing, the closure being integrally formed with the housing cap, a stem configured to move upward and downward while being connected to the lower end of the button, the shaft configured to move upward and downward along the inside of the housing cap while being coupled to the outside of the stem, a piston configured to move upward and downward along the inner wall of the housing, a compression spring provided between a side protrusion formed at the upper end of the shaft at the side of the shaft and the housing cap, an opening and closing member configured to move upward into and downward from the vertical channel through the lower end of the stem such that the residual content in the nozzle is suctioned after pumping, and a sealing member mounted at the lower end of the stem in a state in which the sealing member is in tight contact with the outside of the opening and closing member inserted into the vertical channel.


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