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Gudgeon assembly

Imported: 24 Feb '17 | Published: 06 Jan '04

Jorge L. Chavez, Adolf Phillip Greiner

USPTO - Utility Patents

Abstract

A multi-element gudgeon assembly including (a) a sleeve element having a central bore of substantially uniform diameter, such bore being adapted to receive one end of a rotatable axle; (b) a circular flange element having a central collar portion slidably mounted on the outer surface of the cylindrical sleeve element, and having an outer rim portion adapted to engage, center and support an end of a cylindrical drum for rotation with axle; and (c) a stub axle element mounted on one end of the sleeve element and cooperating with structure on the outer surface of the sleeve element to position the flange element at a fixed desired location on the sleeve element.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

In the detailed description of the preferred embodiment of the invention presented below, reference is made to the accompanying drawings, in which:

FIG. 1 is a cross-sectional illustration of an image-recording drum assembly having a gudgeon structured in accordance with the prior art;

FIG. 2 is a cross-sectional illustration of the gudgeon shown in FIG. 1;

FIG. 3 is a cross-sectional illustration of a drum assembly embodying a preferred multi-element gudgeon assembly of the present invention; and

FIG. 4 is a cross-sectional illustration of the multi-element gudgeon assembly of FIG.

3.

Claims

1. A gudgeon assembly adapted for use with an axle for supporting a rigid tube or hollow cylindrical drum for rotation, said gudgeon assembly comprising:

2. The gudgeon assembly as defined by claim 1 wherein said sleeve element supports a retainer ring that cooperates with said stub axle element to position said central collar of said flange element therebetween, on said sleeve element.

3. The gudgeon assembly as defined by claim 1 wherein said sleeve element and stub axle elements are made of hardened steel, and said flange element is made of aluminum with a hard coat to prevent wear.