Conveying system with tensioning assembly and method

Details Conveying system with tensioning assembly and method Conveying system with tensioning assembly and method

1994-11-07

1996-06-18

Oberleitner, Robert J.

Railways

Traction

Cable

1987501, 19881004, B61B 1100

Patent

active

055267548

ABSTRACT:
A conveying or transportation system having a haul rope (22) mounted for movement along a path, and a carrier unit (27) coupled to the haul rope (22). The carrier unit (27) is coupled to the haul rope (22) by a rope coupling assembly (51), which preferably includes a tension sensing device (139) and a screw jack tension adjustment assembly (141,142,143,144) formed to respond to sensed tension in the haul rope (22) to adjust the same at the terminals (31). The screw jack tension adjustment assembly (53) preferably includes two screw members (141,142) which are movably mounted in collar assemblies (143,144) and driven by a motor (162) to tension or relax the haul rope (22). A method of automatically maintaining and adjusting the tensioning of the haul rope (22) also is provided.

REFERENCES:
patent: 1273059 (1918-07-01), Hild
patent: 3113767 (1963-12-01), Halberstadt
patent: 3437315 (1969-04-01), McDonald
patent: 3875868 (1975-04-01), Martin
patent: 4308945 (1982-01-01), Beckmann et al.
patent: 4787761 (1988-11-01), Asberg

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