Read/write head retract mechanism

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United States of America Patent

PATENT NO RE38390
SERIAL NO

09418041

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Abstract

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A retract mechanism for a magnet head which can read from and/or write to a disk, the mechanism includes a spring arm which supports the head and urges the head toward the disk. The spring arm includes a cam follower which rides along the surface of the cam, which has two parallel horizontal surfaces and two incline surfaces. The spring arm is moved by an actuator in a radial direction along the disk. When the spring arm is moved radially away from the center of the disk, the cam urges the spring arm upwardly, thereby lifting the head up and away from the disk. As the spring arm continues to move radially away from the center of the disk, the cam guides the spring arm such that the head rests safely on a landing platform.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI DENKI KABUSHIKI KAISHATOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawada, Junji Chigasaki, JP 18 403
Onooka, Yasushi Chigasaki, JP 5 50
Yamamoto, Tetsu Kawachinagano, JP 44 601

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