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Modular shaft assembly

a technology of modules and shafts, applied in couplings, instruments, transportation and packaging, etc., can solve the problems of hard service of equipment or extraction of media that may have become trapped in feed paths, and achieve the effect of convenient service and repair

Inactive Publication Date: 2007-06-28
NCR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] The invention seeks to provide a modular shaft assembly that mitigates problems of known shafts and enables the dispenser unit to be more easily serviced and repaired.
[0010] Advantageously, as a result the shaft assembly being modular, a dispenser unit containing such a shaft can be more easily serviced and repaired.
[0012] A further advantage is that the forces on the pulleys are applied close to the bearings that support the common shaft. This reduces the stresses on the common shaft.
[0017] Advantageously, this provides a structure that is easy to manufacture and is also robust and rigid.

Problems solved by technology

The design of the dispenser unit as described above makes it hard to service the equipment or to extract media that may have become trapped in the feed path.

Method used

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Examples

Experimental program
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Embodiment Construction

[0047]FIGS. 3-8 are schematic diagrams of a shaft which is modular, in that it can be connected to other shafts, such as a drive shaft as described below with reference to FIGS. 9-13. It is referred to herein as a ‘common shaft’ because it can be used both for driven pulleys when connected to a drive shaft, and for idler pulleys when used without being connected to a drive shaft.

[0048] The common shaft 300 comprises three sections, a central section 301 and two end sections 302. The central section 301 has a cruciform cross-section as shown in FIG. 4. This is beneficial because it provides a robust and rigid shaft whilst reducing the cross-sectional area, which makes the shaft easier to manufacture, particularly when formed by molding. Each end section is identical which means that on installation or repair it is not necessary to check the orientation of the shaft. Each end section comprises a flange 303 adjacent to the central section 301. This flange is used to control the positi...

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PUM

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Abstract

The invention relates to a modular shaft assembly for a media dispenser comprising a common shaft and a drive shaft. The common shaft comprises a central portion between two end portions. Each end portion has a pulley-mounting region and at least one end portion has an aperture in the end of the common shaft, co-axial to the common shaft, for receiving a connecting portion of the drive shaft. The drive shaft comprises a central portion between a connecting portion and a drive portion. The connecting portion is arranged to connect the drive shaft co-axially to the common shaft by insertion of the connecting portion into the aperture in an end portion of the common shaft. The drive portion comprises a gear-mounting region.

Description

[0001] The present invention relates to a modular shaft assembly for carrying pulleys and / or gear wheels. It is particularly related to, but in no way limited to, shafts for use in media handling in an automated teller machine (ATM). BACKGROUND OF THE INVENTION [0002] A cash dispenser unit of an automated teller machine (ATM) uses pulleys to handle media. In some cases the media may be handled directly by the pulleys and in other cases the pulleys may be used to drive and tension belts which handle the media. These pulleys are mounted on shafts. The use of such shafts and pulleys can be described with reference to FIG. 1 that shows a schematic side elevation view of a cash dispenser unit 73 of an ATM. [0003] The cash dispenser unit 73 holds a number of currency cassettes 89 each holding a stack of currency notes 68. When one or more notes are to be dispensed from a particular cassette, the pick mechanism 74 associated with the cassette draws a note from the cassette such that its le...

Claims

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Application Information

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IPC IPC(8): B65H1/00
CPCB65H29/12B65H2403/73B65H2404/25B65H2601/324F16D1/10
Inventor CRERAR, ROYSMITH, GRANT
Owner NCR CORP