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Trigger sprayer having a pump chamber with an internal spring for biasing the pump piston
专利权人:
CONTICO INTERNATIONAL, INCORPORATED
发明人:
FOSTER, DONALD D.,NELSON, PHILIP L.
申请号:
EP19960201764
公开号:
EP0734783(A2)
申请日:
1993.10.20
申请国别(地区):
欧洲专利局
年份:
1996
代理人:
摘要:
A trigger sprayer assembly for dispensing liquid from a container includes a pump element secured to a housing (480) of the assembly. The housing (480) has a portion defining a cylindrical pump chamber (512), and the pump element further comprises a piston (510) reciprocable within the cylindrical pump chamber (512) in response to actuation of a trigger (14). A spring element (514) has a base portion (516) secured to the housing (480), and a resilient arm portion (526) that extends forwardly therefrom and engages the piston (510) so as to bias the piston (510) to an extended position.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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