Transport roller for paper sheets

Details Transport roller for paper sheets Transport roller for paper sheets

1991-04-17

1992-09-01

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29130, 29132, B60B 900

Patent

active

051427583

ABSTRACT:
For the transport of widths or sheets of paper, a roller is disclosed which comprises a bushing (1), which is surrounded by an elastic cylindrical casing. The bushing has a coaxial bore into which a shaft (3) is pressed. The bore of the bushing (1), which limits the clearance is provided with radially inwardly extending protrusions (2), which are evenly angularly spaced about the bore and which extend in the axial direction. When pressing the shaft (3) into the bushing (1) of the roller body, the protrusions (2) are forced to move radially outwards and effect a rotationally secure connection of the roller body to the shaft (3). Any expansion of the bushing will be even and while possibly enlarging the casing will not interfere with concentricity.

REFERENCES:
patent: 3827120 (1974-08-01), Mayer
patent: 4910845 (1990-03-01), Delhaes

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