Step actuator
AssigneeLG Innotek Co., Ltd.
InventorWoo Jin Hyun
Life of this patent
Estimating the term…
Abstract
A step actuator includes a housing, a stator in the housing, a rotor including a magnet provided radially inward of the stator and a nut member inserted into the magnet and protruding through one side of the housing, a bearing rotatably supporting the nut member, a screw member coupled with the nut member to linearly move as the rotor rotates, and a mounting member supported on one side of the housing to support the screw member in such a manner that the screw member is linearly movable. The nut member includes an end portion passing through the bearing and a coupling portion extending from the end portion to couple with the bearing.
Claims20
A step actuator comprising:
- a housing;
- a stator disposed in the housing and including a bobbin;
- a rotor including a magnet and a nut member coupled with the magnet;
- and
- a screw member coupled with the nut member to move in a first direction and a second direction;
- a bearing provided outside the housing to rotatably support the nut member;
- a bearing cover coupled with the housing to support the bearing;
- and
- a mounting member coupled with the bearing cover to support the screw member in such a manner that the screw member is linearly movable,
- wherein the mounting member comprises a locking member and a locking protrusion such that the mounting member can be prevented from rotating in a circumferential direction when the mounting member is coupled with the bearing cover.
A step actuator comprising:
- a housing;
- a stator disposed in the housing and including a bobbin;
- a rotor including a magnet and a nut member coupled with the magnet;
- and
- a screw member coupled with the nut member to move in a first direction and a second direction,
- a bearing provided outside the housing to rotatably support the nut member;
- a bearing cover coupled with the housing to support the bearing;
- and
- a mounting member coupled with the bearing cover to support the screw member in such a manner that the screw member is linearly movable,
- wherein the mounting member comprises a locking member and a locking protrusion such that the mounting member can be inhibited from rotating in a circumferential direction when the mounting member is coupled with the bearing cover,
- wherein the bearing cover comprises a coupling rim restraining movement of the bearing in the second direction, and a support member extended from an outer first peripheral portion of the coupling rim,
- wherein the bearing cover comprises a stopper protrusion extended from an outer second peripheral portion of the coupling rim, and
- wherein the mounting member comprises a protrusion and a receptacle pipe constituting a body of the mounting member.
Dependencies are inferred from the claim text.