Printer Paper-Path Switching With One Shared Drive Mechanism
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Solution Overview
Problem
The addition of flaps and their drive mechanisms at each paper transport path switch point increases the number of components, thereby raising production costs in printers.
Innovation Solution
A printer design that utilizes a single movable member to switch multiple paper transport paths using a switching mechanism with fewer flaps and drive mechanisms, reducing the overall number of components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a drive mechanism is added at each point where paper transport paths are switched, then the paper transport path switching function is improved, but the number of components increases and production cost increases
Solution Approach 1:
The patent combines multiple flaps (first flap and second flap) and their drive mechanisms into a single integrated assembly. The first and second flaps are connected via a linkage mechanism that allows them to be actuated by a single drive mechanism, reducing the total number of independent components while maintaining the ability to switch multiple paper transport paths
Solution Approach 2:
The single drive mechanism serves multiple functions by controlling both the first flap and the second flap through the linkage system. This universal drive mechanism can switch different paper transport paths depending on the position of the flaps, eliminating the need for separate drive mechanisms at each path switch point
2Adaptability or versatility
If a drive mechanism is added at each point where paper transport paths are switched, then the paper transport path switching function is improved, but the production cost increases
Solution Approach 1:
The patent merges multiple drive mechanisms into one shared drive mechanism that controls both flaps through a linkage connection. This reduction in the number of components directly lowers manufacturing costs while maintaining the full paper transport path switching capability
Solution Approach 2:
The single drive mechanism is designed to perform multiple functions by controlling different flaps at different positions. This multi-functional design eliminates the need for multiple separate drive mechanisms, thereby reducing production costs while preserving the paper transport path switching function
Data Source
AI summary
A printer includes a first flap that switches a path for a paper transported in a transport direction, to one of first and second paths; a second flap provided downstream of the first flap in the transport direction and configured to switch the path for the paper transported through the second path, to one of third and fourth paths; a movable member that moves in a paper width direction orthogonal to the transport direction; and a switching mechanism that switches the first flap between a state where the movable member is disposed at a first position in the width direction and a state where the movable member is disposed at another position and switches the second flap between a state where the movable member is disposed at a second position in the width direction and a state where the movable member is disposed at another position.