B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
B27B 11/00 (2006.01) B27B 31/00 (2006.01) B27B 31/06 (2006.01)
Patent
CA 2277368
An over/under line feed system in accordance with the present invention includes a conveyor assembly positioned adjacent a workstation. The conveyor assembly preferably includes upper and lower conveyors. The workstation includes a workstation support frame and a carriage assembly supported by the workstation support frame. The carriage assembly is configured to receive a container, e.g., a collapsible plastic container, thereon. A lifting device is present to raise and/or lower the carriage assembly between the upper ans lower conveyors. A tilting device allows at least a portion of the carriage assembly to tilt, providing easier access to the inside of the container. In one embodiment, the lifting device includes a counterweight assembly positioned adjacent the workstation support frame. The counterweight assembly provides a restraining force to maintain the carriage assembly in a raised position when a container is not positioned on the carriage assembly. A piston-cylinder assembly may be preferably connected between the workstation support frame and the carriage assembly. The piston-cylinder assembly may be connected to an incompressible fluid source by a shutoff valve. In a powered embodiment, the counterweight assembly can be replaced by a conventional lifting assembly, such as an electric motor, hydraulic or pneumatic cylinder, air bag, ball screw, etc. -27-
Lutz David W.
Sim & Mcburney
LandOfFree
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