Cash Cassette Inversion for L-Folded Note Detection

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Solution Overview

Problem

L-folded notes of value in cash cassettes cause malfunctions during automatic removal, as they are not detectable during manual feeding and increase adherence with adjacent notes, leading to service disruptions.

Innovation Solution

Rotating the cash cassette by 180° after filling, so that the side initially at the bottom becomes the top, allowing L-folded notes to be detected and removed more easily, and ensuring manual feeding and automatic removal directions are opposite, reducing the likelihood of malfunctions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If notes of value are manually fed to the cash cassette from above, then the feeding process is simple and efficient, but L-folded notes cannot be detected by the operator

Engineering Contradiction:

Improvefeeding efficiencyVSAvoiddetection of L-folded notes

Core Design Contradiction:

ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent applies inversion by rotating the cash cassette 180 degrees before insertion into the automated teller machine. This causes the bottom side (where L-folded notes would form during feeding) to become the top side, allowing gravity to naturally unfold L-folded notes and making them detectable during the subsequent removal process.

Inventive Principle:

Principle #13The other way round (Inversion)

2Quantity of substance

If L-folded notes are present in the cash cassette, then the cash cassette can be filled, but the notes cannot be removed automatically and the device goes out of service

Engineering Contradiction:

Improvecapacity to hold notesVSAvoidservice continuity

Core Design Contradiction:

Quantity of substanceVSReliability

Solution Approach 1:

The patent applies preliminary anti-action by rotating the cash cassette before insertion to prevent L-folded notes from causing removal failures. The rotation unfolds L-folded notes in advance, eliminating the harmful effect before the automatic removal process begins, thus preventing service disruption.

Inventive Principle:

Principle #9Preliminary anti-action

3Strength

If the folded part of L-folded notes is pressed upwards by downward removal, then the adherence between L-folded notes and adjacent notes is increased, but removal becomes even more difficult

Engineering Contradiction:

Improveadherence between notesVSAvoidease of removal

Core Design Contradiction:

StrengthVSEase of operation

Solution Approach 1:

The patent reverses the orientation by rotating the cash cassette 180 degrees, so that the removal direction becomes upward relative to the cash cassette's original orientation. This prevents the folded part from being pressed upwards into the notes, maintaining ease of removal while still ensuring L-folded notes are unfolded and detectable.

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentEP2977967B1Method for feeding notes of value to an automated teller machine

Publication Date: 2018.10.10 WINCOR NIXDORF INT GMBH

Figure 1~3
Figure 4

AI summary

The invention relates to a method for feeding notes of value (20) to a device for handling notes of value, in which the cash cassette (10), after the manual filing with the notes of value (20), is rotated such that that side which was arranged at the bottom during the filling of the cash cassette (10), is arranged at the top. Thereafter, the cash cassette (10) is inserted into the device for handling notes of value in this rotated orientation. Further, the invention relates to a respective cash cassette.