Optical Scanning Device Vibration Isolation Mount
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Solution Overview
Problem
Vibrations from the image-forming apparatus body disrupt the image written on the photoreceptor drum, leading to image defects due to the transmission of vibrations to the optical scanning device.
Innovation Solution
The optical scanning device is made adjustable by turning around a turn axis line parallel to the main scanning direction of the light beam, with a shaft support and a holder that sandwiches an elastic member between the housing and the holder to absorb vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the optical scanning device is fixed rigidly to the image-forming apparatus body, then the structural stability is improved, but vibration transmission to the optical scanning device increases causing image defects
Solution Approach 1:
The patent introduces a turn shaft as an intermediary component between the optical scanning device housing and the image-forming apparatus body. This turn shaft allows rotational adjustment while providing a controlled connection that reduces direct rigid coupling, thereby acting as a mediator that permits stability while reducing vibration transmission to the optical scanning device.
Solution Approach 2:
The patent changes the connection parameter from rigid fixed to adjustable rotational connection via the turn shaft. This parameter change allows the system to achieve both structural stability during operation and reduced vibration transmission by enabling proper alignment and positioning of the optical scanning device relative to the image-forming apparatus body.
2Ease of operation
If the optical scanning device is made adjustable by turning around a turn axis line, then the ease of operation is improved, but the device complexity increases due to additional turn shaft components
Solution Approach 1:
The patent segments the mounting structure into distinct components: the optical scanning device housing, the turn shaft, and the image-forming apparatus body. This segmentation allows the turn shaft to be a separate, specialized component that provides rotational adjustment functionality, making the system easier to operate while managing complexity through modular design.
Solution Approach 2:
The patent introduces dynamic adjustability by allowing the optical scanning device to rotate around the turn axis line via the turn shaft. This dynamic capability enables easy adjustment of the optical scanning device position, improving ease of operation while the turn shaft provides a controlled mechanism that manages the added structural complexity.
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
This configuration effectively suppresses the transmission of vibrations from the image-forming apparatus body to the optical scanning device, preventing image defects and ensuring stable image formation.
Implementation Method 1
an elastic member is sandwiched between the housing and the holder in a pressed manner
Data Source
AI summary
In an image-forming apparatus, an optical scanning device that is adjustable in a turn available manner around a turn axis line parallel to an axis line orthogonal to a main scanning direction of a light beam is attached to an image-forming apparatus body. The image-forming apparatus body has a shaft support that supports the optical scanning device in a turn available manner around a turn axis line and a holder facing a housing at a position different from that of the shaft support. The optical scanning device is held by the image-forming apparatus body in a state in which an elastic member is sandwiched between the housing and the holder in a pressed manner.