Tensioning device for flexible drive member

Details Tensioning device for flexible drive member Tensioning device for flexible drive member

1997-03-17

1999-01-19

Morano, S. Joseph

Railways

Traction

Chain

267 71, 49199, 160189, B61B 900

Patent

active

058603654

ABSTRACT:
A tensioning device is connected to a flexible drive member by a right-hand threaded member on the drive member, which projects through an opening in the wall of a trolley. The threaded member is threaded onto a tensioning nut which is biased by a spring which mounts the nut in the base of the tensioning device. A retainer nut having left-hand threads is in frictional engagement with an enlarged portion of the tensioning nut, such that turning of the retention nut tightens the tensioning device onto the threaded member until the frictional force of the engagement between the enlarged portion of the tensioning nut and retainer nut is reduced to a predetermined amount.

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