Shaft member for business machines and the like and its manufact

Details Shaft member for business machines and the like and its manufact Shaft member for business machines and the like and its manufact

1993-06-16

1995-07-04

Gorski, Joseph M.

Roll or roller

Spaced plural annulars along common shaft

138177, 193 37, 271109, 285382, 403282, 403383, 492 60, B65H 306

Patent

active

054295742

ABSTRACT:
A hollow shaft tube and shaft member with functional members like a paper feed roller for business machines etc., and its manufacturing method.
The shaft tube has a bulge and dent, thereon a functional member to be fixedly secured. The bulges and dents having spring effect are formed symmetrically concerning the shaft tube center axis. The shaft and the functional members are fixedly secured by the spring effect.
The shaft tube is made with half molds, having punchs in holes of both halves. The punchs hit the tube set in the molds to form the bulge and dent. The shaft tube is pressed in the functional member, using a press-in tool, to construct the shaft member.

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