Horizontally supported planar surfaces – Horizontally adjustable – Concurrent horizontal and vertical movements
Patent
1991-04-18
1993-11-30
Chen, Jose V.
Horizontally supported planar surfaces
Horizontally adjustable
Concurrent horizontal and vertical movements
108146, 248410, A47B 1100
Patent
active
052655423
ABSTRACT:
Motion control apparatus is provided for permitting movement of a slidable member in one direction relative to a fixed support while releasably preventing movement in the opposite direction or for releasably preventing movement of the slidable member in either direction using one or more locking arms pivotally mounted on the slidable member and resiliently urged into the locking position with a release rod slidably mounted on the slidable member to overcome the resilient urging to permit sliding movement of the slidable member. Also, movement preventing apparatus is provided to hold at least one locking arm in a non-locking location.
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Allard David D.
Allard Gene R.
Chen José V.
Kelly Joseph J.
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