Printer Paper Bucket with Rotating Spindle Mechanism
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Solution Overview
Problem
Existing printers require manual adjustment or fixed bucket widths, making them incompatible with media rolls of varying widths and core dimensions, which limits their versatility and efficiency.
Innovation Solution
A self-adjusting spindle mechanism with pivotally mounted vertical flanges and a motion linkage that allows the spindle flanges to rotate and accommodate media rolls of infinitely varying widths, maintaining them in a centered position within the paper bucket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed bucket width is used for one of several standard-sized paper rolls, then the device structure is simple, but it cannot accommodate media rolls of varying widths
Solution Approach 1:
The patent applies the dynamics principle by making the spindle mechanism movable rather than fixed. The wall assemblies can pivot between different positions to accommodate media rolls of varying widths, transforming a static structure into a dynamic one that adapts to different roll sizes automatically
Solution Approach 2:
The patent implements universality by designing a single spindle mechanism that can handle multiple sizes of media rolls through its adjustable configuration. The motion linkage system enables the same mechanism to accommodate different roll widths and core dimensions, eliminating the need for multiple fixed-width buckets
2Adaptability or versatility
If removable screw mounted side guides or manually adjustable side guides are used, then the device can accommodate different roll sizes, but user adjustment is required before changing roll size
Solution Approach 1:
The patent applies the self-service principle through its self-adjusting spindle mechanism that automatically adapts to different media roll widths and core dimensions. The motion linkage system enables automatic adjustment without requiring user intervention, allowing the mechanism to self-regulate its configuration based on the inserted roll's characteristics
3Adaptability or versatility
If manually adjustable spindle stops are used, then the device can accommodate varying roll widths, but manual adjustment time is required
Solution Approach 1:
The self-adjusting spindle mechanism automatically configures itself to accommodate different roll widths and core dimensions without requiring manual adjustment. This eliminates the time loss associated with manual intervention, as the mechanism self-regulates its position and configuration based on the inserted media roll's characteristics
Data Source
AI summary
A paper bucket for a printer with a self-adjusting spindle mechanism capable of accommodating media rolls of varying width is provided, together with a printer having such a paper bucket and corresponding method. The adjustable paper bucket may have a bucket frame and oppositely disposed wall assemblies pivotally mounted in the bucket frame. The adjustable paper bucket may further include oppositely disposed vertical flanges, each of the vertical flanges being pivotally mounted to a respective one of the wall assemblies. A spindle flange is rotatably mounted to each vertical flange for accepting a media roll therebetween. A motion linkage connects the wall assemblies together such that a movement of one of the wall assemblies results in an equal and opposite movement of the other one of the wall assemblies.