Electric fan with sealing lid
First Claim
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1. An electric fan comprising:
- a fan base comprising a central tube;
a bearing received in the central tube;
a rotor assembly comprising a fan hub, and a pivot axle joined to the fan hub and pivotably extending through the bearing; and
a sealing lid screwedly mounted on a bottom opening of the central tube to prevent lubricant oil contained in a bottom of the central tube from leaking, the sealing lid abutting against a bottom of the bearing to support the bearing in position;
wherein the sealing lid comprises a plurality of protruding blocks extending upwardly from a top of the sealing lid, the protruding blocks abutting against the bottom of the bearing.
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Accused Products
Abstract
An electric fan includes a fan base (10), a bearing (40) and a rotor assembly (20). The fan base forms a central tube (11) receiving the bearing therein. The rotor assembly includes a fan hub (22), and a pivot axle (23) joined to the fan hub. The pivot axle pivotably extends into the bearing. A sealing lid (60) is screwedly mounted on a bottom opening of the central tube to prevent lubricant oil contained in the central tube from leaking. The sealing lid abuts against a bottom of the bearing to prevent the bearing from deflection.
16 Citations
17 Claims
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1. An electric fan comprising:
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a fan base comprising a central tube; a bearing received in the central tube; a rotor assembly comprising a fan hub, and a pivot axle joined to the fan hub and pivotably extending through the bearing; and a sealing lid screwedly mounted on a bottom opening of the central tube to prevent lubricant oil contained in a bottom of the central tube from leaking, the sealing lid abutting against a bottom of the bearing to support the bearing in position; wherein the sealing lid comprises a plurality of protruding blocks extending upwardly from a top of the sealing lid, the protruding blocks abutting against the bottom of the bearing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An electric fan comprising:
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a fan base forming a central tube; a stator assembly mounted around the central tube; a rotor assembly having a hub, a plurality of blades extending radially outwardly from the hub, and a pivot axle extending downwardly from the hub; a bearing received in the central tube wherein the pivot axle rotatably fitting through the bearing; and a sealing lid secured to a bottom end of the central tube to seal a bottom opening of the central tube; wherein the sealing lid comprises a plurality of protruding blocks extending upwardly from a top of the sealing lid, the protruding blocks abutting against a bottom of the bearing. - View Dependent Claims (17)
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Specification