Swingable Sheet Transport Guide for Jam Clearance
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Solution Overview
Problem
Conventional sheet transport apparatuses face difficulties in efficiently clearing paper jams due to the fixed position of the second transport guide member, which restricts free opening and closing movements, thereby hindering work efficiency during jam clearance operations.
Innovation Solution
The sheet transport apparatus is designed with a second transport guide member that can be freely opened and closed relative to the first transport guide member, utilizing a swingable member and biasing mechanism to facilitate paper jam clearance by allowing the second transport guide member to move between different positions, enhancing operational efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the second transport guide member is fixed on the main body by a fixing member, then the structure is stable and simple, but it becomes difficult to remove sheets jammed at the second transport guide member
Solution Approach 1:
The second transport guide member is designed to be movable relative to the first transport guide member along the sheet transport direction, allowing it to move between a first position (for normal operation) and a second position (for jam clearance). This dynamic capability enables operators to access and remove jammed sheets easily without disassembling the entire apparatus.
Solution Approach 2:
The transport guide system is divided into two separate guide members (first and second) that can move independently relative to each other. This segmentation allows the second guide member to be positioned flexibly for jam clearance while the first guide member remains stationary, resolving the contradiction between operational ease and structural simplicity.
2Ease of operation
If the second transport guide member is made movable to facilitate jam clearance, then sheet removal ease improves, but the device complexity increases
Solution Approach 1:
The second transport guide member is designed to be movable relative to the first transport guide member along the sheet transport direction, allowing it to move between a first position (for normal operation) and a second position (for jam clearance). This dynamic capability enables operators to access and remove jammed sheets easily without disassembling the entire apparatus.
Solution Approach 2:
The movable second transport guide member can be manually positioned by operators to access jammed sheets, eliminating the need for complex disassembly procedures or specialized tools. The design allows users to perform maintenance themselves through simple manual operation.
Data Source
AI summary
A sheet transport apparatus is equipped with a sheet transport guide section for guiding a sheet to be transported. The sheet transport guide section includes a first transport guide member swingable about a first axis, and a second transport guide member swingable about a second axis, the second transport guide member forming a sheet transport path between the second transport guide member and the first transport guide member. The second transport guide member is arranged at a first position when the first transport guide member is closed, at a second position where the second transport guide member is opened from the first position when the first transport guide member is opened, or at a third position where the second transport guide member is opened from the second position.