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US 10,161,477 B2Granted
Actuator and electronic device having the same
AssigneeMoatech Co., Ltd.
InventorsIn-Yong Park, Yun Choi, Seong-Gi Park
Life of this patent
Estimating the term…
Abstract
The present invention relates an actuator including a housing, a drive unit installed in the housing and provided with a rotatable shaft, a bearing part installed in the housing to rotatably support the shaft at different positions, at least one bearing part included in the bearing part being fixed to the housing, and a gear unit accommodated in the housing, the gear unit being rotated about different axes rotational power transmitted thereto from the shaft.
Claims8
An actuator comprising:
- a housing;
- a drive unit installed in the housing;
- a gear unit accommodated in the housing, the gear unit being rotated by rotational power transmitted thereto from a shaft;
- a first ball bearing;
- and
- a second ball bearing;
- wherein the drive unit comprises a case and a case cover coupled to one side of the case and a motor,
- wherein the motor comprises the shaft to be rotated,
- wherein the first ball bearing rotatably supports a front end of a worm gear,
- wherein the worm gear is directly connected to the shaft,
- wherein the second ball bearing rotatably supports a rear end of the worm gear,
- wherein the first ball bearing is press-fitted into a bush,
- wherein the bush is installed on one side of the case cover,
- wherein the second ball bearing accommodated in a bearing accommodation part,
- wherein the bush is formed in a two-step shape,
- wherein one end of the bush is press-fitted into the case cover to support the motor,
- wherein an other end of the bush protrudes out of the case cover to support the first ball bearing.
14 more elements
Dependencies are inferred from the claim text.