Horizontally supported planar surfaces – Plural related horizontal surfaces – Coplanar extension surface
Patent
1996-11-01
1998-09-01
Chen, Jose V.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Coplanar extension surface
A47B 100
Patent
active
057995710
ABSTRACT:
A positioning device for an extentable table includes a plurality of stops having a plurality of holes defined therein and a central plate having a plurality of bosses formed on two opposed side faces thereof. Therefore, when the central plate is in storage state, the bosses will be inserted into the holes of the stops to securely retain the central plate in position.
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patent: 5577450 (1996-11-01), Huang
Lee Hsi-lun
Lee Tseng-jung
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