Hon Hai Precision Industry Co., Ltd.

Fang Chi Huang

Chieh Lee

Yung Hsiang Cheng

A hinge device comprises a male hinge member and a female hinge member. The male hinge member includes a pivoting rod at an end thereof, and a first mounting plate at an opposite end thereof, the first mounting plate being used for fixing the male hinge member onto a display unit of a portable computer. The female hinge member includes a body and a second mounting plate for fixing the female hinge member onto a mainframe unit of the portable computer. A first contacting section is defined on an outer periphery of the pivoting rod of the male hinge member. A second contacting section is defined on an inner periphery of the body for contacting with the first contacting section. A pair of grooves are defined in the second contacting section for retaining lubrication grease. The second mounting plate defines a receiving slot adjacent to the second contacting section for spacing the second contacting section from the second mounting plate to obtain a uniform torque resistance during rotation movements of the second contacting section in different directions.

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Tu-Chen, Taiwan

Fang Chi Huang