Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1983-01-07
1985-06-11
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
414749, B65G 2500
Patent
active
045222975
ABSTRACT:
A heavy-load transport apparatus has a stationary support beam extending horizontally in a transport direction and adapted to support an elongated heavy load with same lying on the support beam and extending horizontally transversely thereto, a guide beam extending in the direction generally parallel to the support beam, and a carriage riding on the guide beam and displaceable in the direction therealong. An actuator connected to the guide beam can vertically displace same between an upper position with the carriage at least partly above the support beam and a lower position with the carriage below the support beam. Thus when the carriage underlies the load and is raised from the lower to the upper position it raises the load off the support beam. A drive including a flexible drive element has a generally straight stretch extending parallel to the direction adjacent the guide beam for displacing the carriage therealong. A pivot on the carriage defines a horizontal pivot axis generally perpendicular to the direction and a rigid connection arm extends generally horizontal and parallel to the direction between the carriage and the stretch. This arm has an inner end connected to the carriage at the pivot for angular displacement of the arm about the axis and an outer end connected to the stretch. Thus as the carriage is raised and lowered the outer arm pivots down and up substantially without vertically deflecting the stretch.
REFERENCES:
patent: 3417858 (1968-12-01), Heard
patent: 3917078 (1975-11-01), Schmidt
patent: 4042118 (1977-08-01), Schmidt
patent: 4044886 (1977-08-01), Sender
patent: 4411586 (1983-09-01), Zitser et al.
patent: 4440292 (1984-04-01), Regenbrecht
Dubno Herbert
Ross Karl F.
Valenza Joseph E.
Voorhees Douglas C.
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