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US 2019/0241107 A1Published application
Headrest Moving Device and Driving Unit of Headrest
AssigneeWoobo Tech Co., Ltd.
InventorHae Il Jeong
Life of this patent
Estimating the term…
Abstract
The present invention relates to a headrest moving device, more particularly, relates to a headrest moving device provided with a contact assisting member for closely contacting two members engaged with each other for moving the headrest so that power can be smoothly transmitted, the noise can be reduced during the movement on the headrest.
Claims9
A headrest moving device comprising:
- a screw;
- a nut part thread-coupled to the screw;
- a gear unit for rotating the nut part, comprising a first gear and a second gear engaged with the first gear;
- and
- a contact assisting member for closely contacting the first gear with the second gear.
2 more elements
A headrest driving device comprising:
- a driving unit;
- a first gear rotated by the driving unit;
- a second gear engaged with the first gear;
- and
- a contact assisting member for closely contacting the second gear with the first gear.
2 more elements
A headrest moving device comprising:
- a screw;
- a nut part thread-coupled to the screw;
- and
- a contact assisting member for closely contacting the screw with the nut part.
1 more element
Dependencies are inferred from the claim text.