Patent ID: 11959219
Assignee: LG ELECTRONICS INC.
Field: Other consumer goods (Other fields)
Classification: CPC D  F | IPC D  F

Claim 7:
8. A laundry treating apparatus, comprising:
a cabinet;
a tub to be within the cabinet;
a rotary tub to be within the tub; and
a washing agent supply unit configured to provide a washing agent for the tub;
wherein the washing agent supply unit comprises:
a storage container to be within the cabinet, and configured to store the washing agent; and
a washing agent pump to couple to the storage container, and configured to communicate with the storage container,

wherein the washing agent pump comprises:
a first pipe portion having a pressing space disposed therein, and the first pipe portion to have a first inner diameter;
a second pipe portion having a second outer diameter smaller than the first inner diameter of the first pipe portion, and the second pipe portion to have a first end to be accommodated in the storage container and a second end to be accommodated in the first pipe portion;
a cylinder to provide an inner space;
a piston configured to move in a linear reciprocating motion within the cylinder and change volume of the inner space; and
a communication passage configured to provide communication between the pressing space and the inner space at an overlapped position of the first pipe portion and the second pipe portion.