Rotating Path Switch for Compact Note Handling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing note bundle handling mechanisms in ATMs and self-service terminals are bulky due to their large size, which occupies excessive space.
Innovation Solution
A compact rotating path switch arrangement with a track system featuring a first, second, and third track length, and a rotatable switch with angles greater than 90° between the home position and the other positions, allowing the media carrier to move smoothly between home, dispensing, and purging positions without jamming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a traditional note bundle handling mechanism is used, then the dispenser can handle notes effectively, but the dispenser occupies excessive space due to its large size
Solution Approach 1:
The patent applies dimensionality change by transitioning from a linear track arrangement to a radial/concentric track configuration. The media carrier moves along radial track lengths that converge at a central axis, allowing the switch to rotate in a circular pattern. This radial arrangement packs the track system more efficiently in two-dimensional space, reducing the overall footprint of the dispenser while maintaining all necessary functional positions (home, dispensing, purging).
Solution Approach 2:
The rotating path switch serves multiple functions: it directs the media carrier to the home position, dispensing position, and purging position using a single rotational mechanism. The switch acts as a universal routing component that can direct the media carrier to any required position along the radial tracks, consolidating what would traditionally require separate mechanical routing systems into one multi-functional device.
2Area of stationary object
If the track angles are reduced to minimize space, then the dispenser size decreases, but the media carrier may jam during movement
Solution Approach 1:
The patent specifies that the angle between adjacent track lengths should be greater than 90 degrees. This parameter change ensures that the media carrier can transition smoothly between track segments without encountering sharp angles that would cause jamming. The obtuse angle provides sufficient clearance and gradual transition geometry, maintaining operational reliability while the overall radial configuration keeps the dispenser compact.
Data Source
AI summary
The invention provides a track arrangement for guiding a media carrier in a self-service terminal between a home position and one of a second and a third position. The track arrangement comprises: a first track length defining the home position of the media carrier; a second track length associated with the second position; a third track length associated with the third position; and a switch arranged to be rotatable around a central axis adjacent the convergence of the three track lengths, the switch having a portion of track extending across the switch. The second track length is positioned such that the angle between the second track length at an end adjacent to the switch, and the home position of the media carrier, is greater than 90°. The second track length is positioned such that the angle between the third track length at an end adjacent to the switch and the home position of the media carrier is greater than 90°.