Horizontally supported planar surfaces – Folding – With vertical adjustability
Patent
1976-06-17
1977-06-07
Mitchell, James C.
Horizontally supported planar surfaces
Folding
With vertical adjustability
A47B 300
Patent
active
040276007
ABSTRACT:
A folding table having a pair of table tops movable between folded and unfolded positions is provided with hinges and rods which cooperate to provide a releasable safety stop to prevent further movement of the table tops before the table tops reach their unfolded position and to releasably lock the table tops in their unfolded position. Each hinge includes a pair of facing hinge halves which are pivotally secured together and are provided with rod openings which are aligned when the table tops are in their unfolded position. A rod for each hinge is mounted on an elongated shaft which extends between and is slidably mounted on a hinge half of each of the hinges. When the table tops are in their folded position, each rod extends through the opening in one of the hinge halves and is engageable with an edge portion of the other hinge half of the hinge as the table tops approach their unfolded position to prevent further pivoting movement of the hinges and the table tops. Each rod can be withdrawn from engagement with the hinge half by movement of the shaft, and when the table tops reach their unfolded position, the rods can be inserted through the aligned openings of each hinge to lock the table tops.
REFERENCES:
patent: 2780506 (1957-02-01), Howe
patent: 3101064 (1963-08-01), Kanzeberger et al.
patent: 3861325 (1975-01-01), Bue et al.
American Hospital Supply Corporation
Mitchell James C.
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