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US 4,362,412 AGranted
Coupling for removably connecting a rod to a driving shaft
AssigneeFirma Kunz Maschinen-U. Apparatebau GmbH
InventorWolfgang Kunz
Life of this patent
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Abstract
The coupling for connecting a winding rod for a roll of web material to a driver shaft, includes a tenon-like end portion of the rod and a matching socket formed at the end of the driver shaft; exchangeable wearing plates are inserted in between the flat coupling surfaces of the end portion and the socket or the socket snugly accommodates a one-piece wearing insert defining a recess for engaging the end portion of the rod.
Claims23
A coupling for releasably connecting a rod to a driving shaft, comprising at least one flat surface on a peripheral end portion of said rod;
- a coupling socket attached to the face of the driving shaft, said socket having an open lateral side for receiving said one end portion of the rod and at least one flat inner wall matching the flat surface of said portion;
- and an exchangeable wearing piece fitting between the flat inner wall and the flat surface to transfer rotary moment from said shaft to said rod.
Dependencies are inferred from the claim text.