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US 10,673,299 B2Granted
Step actuator
AssigneeLG Innotek Co., Ltd.
InventorHong Kon Lee
Life of this patent
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Abstract
Disclosed is a step actuator. The step actuator includes a housing; a stator installed in the housing; a rotor positioned radially inward from the stator, the rotor rotating and protruding from one side of the housing; a bearing installed at one side of the housing so as to be coupled with the rotor; a bearing cover coupled with one side of the housing to restrain movement of the bearing; a screw member coupled with the rotor to linearly move according to rotation of the rotor; and a mounting member coupled to the bearing cover to support the screw member.
Claims6
A step actuator comprising:
- a housing structure including a first housing and a second housing;
- a stator disposed in the housing structure, wherein the stator includes a first bobbin and a second bobbin;
- a bearing cover coupled with one side of the housing structure,
- a bearing disposed between the housing structure and the bearing cover;
- and
- a mounting member coupled to the bearing cover,
- wherein the bearing cover includes a coupling section protruded radially inward from the bearing cover and contacted with the bearing,
- wherein the bearing cover includes a coupling rim having a ring shape and coupled to the one side of the housing structure,
- wherein the second housing includes a rim section contacted with the coupling rim of the bearing cover,
- wherein the bearing cover comprises a coupling pipe extended from an inner peripheral surface of the coupling rim,
- wherein an inner circumferential surface of the coupling pipe makes contact with an outer race of the bearing,
- wherein the bearing cover comprises a locking rim protruded radially inward from an end of the coupling pipe, and
- wherein the locking rim makes contact with the outer race of the bearing.
10 more elements
Dependencies are inferred from the claim text.