Exposure Unit Linkage Mechanism for Smooth Positioning
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Solution Overview
Problem
Existing moving apparatuses face challenges in smoothly moving exposure units between exposure and retracted positions when the guide groove path differs from the trajectory of the shaft portion that transmits the moving force, and in increasing the displacement of link units connected to rotating units.
Innovation Solution
A moving apparatus comprising an exposure unit, a support unit, a guide groove, a first link unit with a swinging shaft portion, a second link unit connecting the support unit to the first link unit, and a coupling shaft guided by the guide groove, allowing for smooth movement between exposure and retracted positions and enhanced displacement of link units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the guide groove path is made different from the shaft portion trajectory, then the exposure unit can be moved smoothly between positions, but the alignment precision between the guide groove and shaft portion deteriorates
Solution Approach 1:
The patent introduces a coupling shaft as an intermediary element that connects the shaft portion to the exposure unit while being guided by the guide groove. This coupling shaft mediates between the shaft portion's rotational motion and the exposure unit's linear displacement, allowing the guide groove to follow a different path from the shaft portion trajectory while maintaining smooth operation and proper alignment through the coupling interface.
2Productivity
If the link unit is connected to the rotating unit, then the exposure unit can be moved, but the displacement amount of the link unit is limited
Solution Approach 1:
The patent utilizes the rotational dimension of the shaft portion to generate linear displacement in the link unit. By converting rotational motion into linear motion through the coupling shaft and guide groove mechanism, the system achieves greater displacement of the exposure unit than would be possible with purely linear linkages, effectively using another dimension (rotation) to amplify the displacement capability.
Data Source
AI summary
A moving apparatus includes: an exposure unit that forms a latent image by exposure; a support unit that supports the exposure unit so that the exposure unit is displaceable, a guide groove guiding a movement of the support unit to move the exposure unit between an exposure position and a retracted position; a first link unit that includes a first shaft portion, and a second shaft portion that swings about the first shaft portion to transmit force used to move the exposure unit; a second link unit that connects the support unit and the second shaft portion of the first link unit; and a coupling shaft that connects the support unit and the second link unit and is guided by the guide groove.