Cable Guide Mechanism for Image Scanner Hinge
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Solution Overview
Problem
Existing cable guides in image reading and forming apparatuses sag or bend excessively when the automatic original feeding apparatus is turned and elevated, leading to potential damage and requiring expensive, high-shieldability cables to prevent noise interference and maintain appearance.
Innovation Solution
A cable guide system where the first and second guide members are turnably attached to the hinge portion's axis, allowing the cable to bend and slide without sagging, and are designed to fold or extend with the apparatus's movement, preventing stress on the cable and exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a long cable is used to connect the automatic original feeding apparatus and the image reading apparatus body, then the cable does not extend when the apparatus is turned and elevated, but the cable sags and may be damaged
Solution Approach 1:
A cable guide member is introduced as an intermediary component between the cable and the moving apparatus. The cable guide member is turnably attached to the automatic original feeding apparatus and guides the cable along a controlled path, preventing sagging and damage while maintaining a neat appearance.
Solution Approach 2:
The cable guide member is designed to be turnable rather than fixed, allowing it to dynamically adjust its position as the automatic original feeding apparatus is turned and elevated. This dynamic adjustment prevents cable stress and maintains proper cable routing throughout the range of motion.
2Reliability
If the cable is exposed to the outside, then the cable may be caught and damaged during operation, but using a shielded cable increases cost
Solution Approach 1:
The cable guide member serves as a protective intermediary that confines the cable within a controlled path, preventing it from being caught or damaged during apparatus operation. This mechanical protection eliminates the need for expensive shielded cables while maintaining cable safety.
Solution Approach 2:
Instead of using expensive shielded cables, the invention uses a simple, inexpensive cable guide member to provide protection. The guide member is a cost-effective solution that prevents cable damage without requiring costly cable modifications.
3Device complexity
If the cable guide is fixed, then the cable routing is simple, but the cable bends excessively when the apparatus moves
Solution Approach 1:
The cable guide member is designed with rotational freedom around the hinge axis, transforming it from a static to a dynamic component. This allows the guide to move with the apparatus while maintaining proper cable alignment, preventing excessive bending without requiring a complex adjustable mechanism.
Solution Approach 2:
The cable guide system is segmented into a movable guide portion attached to the automatic original feeding apparatus and a fixed portion attached to the image reading apparatus body. This segmentation allows the guide to accommodate movement while maintaining cable routing integrity.
Data Source
AI summary
There is provided a cabling apparatus comprising, a cable connecting a first unit and a second unit which turns around a turning axial line of a hinge portion with respect to the first unit via the hinge portion, a cable guide portion, which guides the cable, in which the cable guide portion is turnably attached to the second unit on one end side of the cable guide portion and is connected to the first unit on the other end side of the cable guide portion, wherein a turning axial line of the guide portion with respect to the second unit and a turning axial line of the hinge portion accord with each other.