US 12,115,544 B2
Pump dispenser
Dae Sik Son, Gyeongsangnam-do (KR); Young Min Jo, Gyeongsangnam-do (KR); Yun Je Kang, Busan (KR); Ji Hyeon Park, Gyeongsangnam-Do (KR); Jae Kwang Yu, Gyeongsangnam-Do (KR); and Eun Mi Lee, Gyeongsangnam-Do (KR)
Assigned to SUN & L CO., LTD., Incheon (KR)
Appl. No. 17/758,313
Filed by SUN & L CO., LTD., Incheon (KR)
PCT Filed Aug. 20, 2020, PCT No. PCT/KR2020/011105
§ 371(c)(1), (2) Date Jul. 1, 2022,
PCT Pub. No. WO2021/230429, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 10-2020-0057666 (KR), filed on May 14, 2020.
Prior Publication US 2023/0026887 A1, Jan. 26, 2023
Int. Cl. B05B 11/10 (2023.01); B05B 3/00 (2006.01)
CPC B05B 11/1077 (2023.01) [B05B 3/001 (2013.01); B05B 11/1047 (2023.01); B05B 11/1059 (2023.01); B05B 11/1073 (2023.01)] 6 Claims
OG exemplary drawing
 
1. A pump dispenser comprising:
a cap part fastened to a container;
a housing which is provided at the cap part and in which a content stored in the container remains and is dischargeable;
a shaft which is accommodated in the housing to be movable in an axial direction of the housing and includes a head part for discharging the content remaining in the housing outward through a pressing operation by an external force;
a chaplet that is provided in the housing for the shaft to be inserted to pass through the housing and allows or blocks movement of the shaft on a basis of a rotation angle of the head part;
an elastic member that is provided on a circumferential surface of the shaft and elastically supports the chaplet and the head part; and
a deformation prevention locking part that guides the chaplet to move in the axial direction of the housing at the time of rotation of the head part and allows or restricts the pressing operation of the head part while preventing deformation of the elastic member,
wherein the head part is inserted or prevented from being inserted in an axial direction of the chaplet on the basis of the rotation angle by a rotation insertion guide part,
wherein the rotation insertion guide part includes:
a slide protrusion formed to protrude from a circumferential surface of the head part;
a slide groove formed to be recessed in the axial direction in an inner surface of the chaplet for the slide protrusion to be slidably fitted in the chaplet; and
a locking support groove formed to communicate with an end part of the slide groove in a circumferential direction and configured to lock and support the slide protrusion.