Horizontally supported planar surfaces – Tiltable surfaces – Pivotally adjustable about horizontal axis
Patent
1994-03-31
1995-07-11
Dorner, Kenneth J.
Horizontally supported planar surfaces
Tiltable surfaces
Pivotally adjustable about horizontal axis
248396, 29728411, 297328, 297DIG8, 5615, A47F 512
Patent
active
054311128
ABSTRACT:
A tiltable table has a pneumatic actuator and a locking system for establishing and maintaining a table position. The locking system is operated by an air cylinder that engages a dog with a ratchet plate secured to the table. The dog is spring-biased to locking position, and is air-operated for release against the action of the biasing spring. On lowering the table, air is permitted to escape through a restriction orifice at a slow enough rate to maintain sufficient air pressure to keep the locking system disengaged, but sudden release of all the air pressure will again permit the spring to re-lock the system to prevent a downward slamming of the table surface.
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Dorner Kenneth J.
International Material Control Systems Inc.
Wilkens Janet M.
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