Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – By conveyor and means driven for turning successive conveyed...
Patent
1983-02-28
1985-05-28
Valenza, Joseph E.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
By conveyor and means driven for turning successive conveyed...
104 35, B65G 2900, B65G 4724
Patent
active
045194939
ABSTRACT:
A turntable for a conveyor system has a main frame, a plurality of load-carrying rollers supported by the main frame for rotation about transverse axes to transport a load between upstream and downstream ends of the conveyor system, a lift frame supported by the main frame, a load-supporting table carried on the main frame, and glide rollers for allowing rotation of the table relative to the lift frame. Air jacks move the lift frame between a first position where the table is slightly below the load-carrying rollers to allow the load to be transported over the load-carrying rollers and a second position where the table is above the load-carrying rollers to lift the load off the load-carrying rollers. A lift-leveling mechanism provides level movement of the lift frame relative to the main frame and includes a plurality of guide plates mounted on the main frame. Each guide plate includes at least one slot, a guide bar coupled to the lift frame, a guide post enaging the slot, and linkage rods interconnecting the guide bars.
REFERENCES:
patent: 1087424 (1914-02-01), Bauman
patent: 3322258 (1967-05-01), Wampach et al.
patent: 3797636 (1974-03-01), MacDonald
patent: 3799320 (1974-03-01), Bilt
patent: 4172422 (1979-10-01), McBride
patent: 4404505 (1983-09-01), Swanson et al.
Pentek Corporation
Valenza Joseph E.
Voorhees Douglas C.
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