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.:
Date of Patent:
Dec. 06, 2011
Filed:
May. 19, 2007
Chung Kee Lee, Seoul, KR;
Chung Kee Lee, Seoul, KR;
Chong Woo, Ltd., Ichon, KR;
Abstract
Disclosed herein is a small-sized hand-operated spray pump. The spray pump includes a spray nozzle () for spraying content, a housing () constructed in a narrow and long cylindrical structure to allow the content to be vertically moved therethrough, a cap () for controlling the operation of the spray nozzle, a container () for containing the content, a closure (), constructed in a symmetrical wing structure, fixed to one side of housing, a shaft () vertically movable along the inner surface of the housing, a piston () mounted to the shaft while surrounding the lower end of the shaft, a compression spring () for providing a restoring force to the shaft at the time of pumping, a ball () for opening and closing an inlet port of the housing at the time of pumping, and a case member () constructed in a three-stage frame structure.