Patent ID: 11898298
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC D | IPC D

Claim 14:
15. A washing machine comprising:
a housing;
an upper drum rotatably disposed inside the housing;
a lower drum rotatably disposed inside the housing and located under the upper drum that extends in a vertical direction, and having an axis of rotation substantially perpendicular to an axis of rotation of the upper drum;
a driving motor to generate rotational force to rotate the upper drum;
a driving shaft configured to transfer the generated rotational force from the driving motor to the upper drum; and
a driving shaft flange configured to connect the driving shaft to the upper drum,
wherein the driving shaft flange comprises:
a first surface;
a second surface parallel to the first surface, the first surface and the second surface spaced apart from each other by a predetermined distance in the vertical direction; and
a plurality of connection portions formed perpendicular to the first surface and the second surface and connecting the first surface to the second surface,

wherein an outermost end of the first surface, an outermost end of the second surface, and an end of an outermost connection portion of the plurality of connection portions in a circumferential direction of the upper drum are substantially aligned in an axial direction of the driving shaft, and
the first surface, the second surface, and one connection portion of the plurality of connection portions are in an H-beam form an ‘H’ shape such that at least a portion of a cross section of the drive shaft flange along an extending direction of the drive shaft is in the ‘H’ shape.