Chair for office work with vibration structure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 28, 1993
Grant Date -
N/A
app pub date -
Dec 23, 1991
filing date -
Dec 23, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The body of a vibration transmission device is equipped in the seat and the back of a chair for office work to provide a vibration massage of wide range to the hip, thigh, and spine of the user. The vibration body has U-shape wire rods around a plate and is equipped in at least one of the seat and the seat back of the chair.
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Family
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Cited Art Landscape
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