Printer Stand Linkage Structure for Sway Reduction
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Solution Overview
Problem
Large format printers experience structural damage and reduced print quality due to sway caused by the heavy printing carriage's horizontal forces, which existing stands fail to adequately stabilize.
Innovation Solution
A linkage system comprising a first and second leg connection points proximal to the printing device and a third linkage pivot point distal on the crossbar, allowing constrained motion to generate restoring forces that counteract sway, thereby stabilizing the stand with reduced material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a heavy printing carriage is used to print on large substrates, then printing capability is improved, but structural stability deteriorates due to sway caused by horizontal forces
Solution Approach 1:
The linkage system is divided into multiple segments (first linkage member connecting to first leg, second linkage member connecting to second leg, third linkage member connecting to crossbar) that work together to distribute and manage the horizontal forces generated by the printing carriage, reducing sway while maintaining structural integrity
Solution Approach 2:
The linkage system introduces a new dimensional approach by creating a three-member linkage structure that operates in multiple planes, transferring horizontal forces through a complex spatial arrangement rather than simple linear support, thereby stabilizing the stand against sway
2Stability of the object's composition
If traditional reinforcement structures are added to reduce sway, then structural stability is improved, but device complexity increases
Solution Approach 1:
The linkage members serve multiple functions simultaneously: they provide structural support, transfer horizontal forces, reduce sway, and maintain the geometric relationship between legs and crossbar, eliminating the need for separate reinforcement structures and reducing overall device complexity
Solution Approach 2:
The system changes the geometric parameters and configuration of the linkage members to optimize force distribution and sway reduction, using specific pivot point locations and member orientations to achieve stability with minimal structural additions
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The linkage system effectively reduces sway by transferring and rotating horizontal forces, enhancing the stability and print quality of large format printers while minimizing material requirements.
Implementation Method 1
a force urging a horizontal movement of one of the first or second legs about its fixed location standing on the supporting surface in use is at least partially transferred via the linkage to the other of the first or second legs to impart a restoring force about its fixed location standing on the supporting surface, in the opposite horizontal direction to the horizontal movement
Implementation Method 2
The linkage system effectively reduces sway by transferring and rotating horizontal forces
Data Source
Figure 1~2
Figure 3~4
Figure 5a~5b
AI summary
A stand for supporting a printing device, the stand comprising: a first leg and a second leg, the legs having upper ends for vertically supporting a printing device to horizontally span the legs above a supporting surface; a crossbar fixed to the first leg at a first crossbar fixation point and fixed to the second leg at a second crossbar fixation point; and a linkage connected between the first and the second leg, the linkage comprising a first link, a second link and a third link connected in series, wherein: the first link is connected to the first leg in use at a first leg connection point; the second link is connected to the second leg in use at a second leg connection point; and the third link is connected to the crossbar to pivot about a third linkage pivot point and to the first and second links at first and second linkage connection points on opposite sides of the third linkage pivot point.