Dispenser pump,申请号US20020243692-传众专利搜索

Dispenser pump

申请公布号：US6685062(B1)

申请号：US20020243692

申请日期：2002.09.16

申请公布日期：2004.02.03

申请人：

YON WOO CORPORATION

发明人：KI JOONG HYUN

分类号：B05B11/00;(IPC1-7):B65D88/54

主分类号：B05B11/00

摘要：The present invention relates to a dispenser pump of novel design excellent in assembling feasibility, durability and in avoidance of deterioration by the trouble from contents.The invention is a dispenser pump comprising a screwed cap 2 connected to the opening part of a container 1, a button 3 provided vertically movably on the top of the screwed cap 3 and formed with a nozzle 4, a stem 6 connected to a lower part of the button 3 so as to communicate with the nozzle 4, a cylinder housing 10 provided with a check valve 14 in an opening part 15 at the lower end of the housing, a top part of the cylinder housing 10 being connected to the screwed cap 2, a piston 9 connected to the lower part of the stem 6 to be vertically movable in the cylinder housing 10 and a sealing member 12 provided on the circumference of the piston 9, wherein the dispenser pump includes further an upper ring member 22 fitted on the upper part of the stern 6, the position of the upper ring member being restricted by a stopper 21, and a lower ring member 24 fitted on the lower part of the stem 6 and positioned at an upper part of the piston 9, so that a spring 8 can be elastically provided between the upper ring member 22 and the lower ring member 24.