BASE STRUCTURE OF COOLING FAN AND MANUFACTURING METHOD THEREOF
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Jul 31, 2024
filing date -
Jul 31, 2024
priority date (Note) -
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Abstract
A base structure of a cooling fan and a manufacturing method of the base structure are provided. The base structure includes a bearing, a shaft sleeve and a base. The bearing defines therein a first cylindrical cavity for receiving a shaft of the cooling fan. The shaft sleeve is made of a first material and defines therein a second cylindrical cavity. The shaft sleeve includes a protrusion part and a first engagement structure arranged at a first end and a second end of the shaft sleeve, respectively. The base is made of a second material and includes a second engagement structure. The second engagement structure is interlocked with the first engagement structure since the second engagement structure is integrally formed with the base. The first material has a greater rigidity than the second material.
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