Sewing Machine Auxiliary Storage Compartment Sliding Mechanism
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Solution Overview
Problem
Existing sewing machine auxiliary storage compartments obstruct access to stored accessories during sewing, requiring cumbersome operations to retrieve or store items as the lid member is located under the workpiece when attached to the sewing machine bed.
Innovation Solution
A detachable auxiliary storage compartment with upper and lower parts that slide relative to each other, allowing the storage part to be accessed without obstructing the workpiece feeding direction, featuring a U-shaped cut part for secure attachment, guide rails with rollers, and a locking mechanism to prevent accidental sliding and ensure secure storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the lid member of the storage part is located under the workpiece when the auxiliary cover is attached to the sewing machine bed, then the storage part can be integrated into the sewing machine structure, but small articles such as accessories cannot be taken out or put in during sewing
Solution Approach 1:
The auxiliary cover is divided into an upper cover body and a lower storage part that can move independently. The lower storage part can be pulled out from the upper cover body along the feeding direction of the workpiece, separating the storage function from the workpiece area to enable access during sewing operations.
Solution Approach 2:
The lower storage part is designed to be movable relative to the upper cover body, transitioning from a static integrated structure to a dynamic configurable structure. This allows the storage part to be pulled out when needed and returned to its original position when not needed, adapting to different operational states.
2Ease of operation
If the lower part is made slidable to allow storage part access, then accessories can be retrieved during sewing, but the structure becomes more complex
Solution Approach 1:
A biasing member (spring) is provided to automatically return the lower storage part to its original position after it is pulled out. This self-returning mechanism eliminates the need for manual operation to reset the storage part, reducing operational complexity while maintaining the sliding function.
Solution Approach 2:
A locking member acts as an intermediary between the lower storage part and the upper cover body, providing a simple locking and unlocking mechanism that enables controlled movement without complex drive systems. The locking member engages with the upper cover body to secure the storage part in position.
Data Source
AI summary
A sewing machine auxiliary storage compartment is provided that can be attached to or detached from a sewing machine body part and that allows small articles such as accessories to be taken out therefrom or put thereinto even during sewing. Upper and lower parts are attached slidably with respect to each other. The upper part 11 is provided with an attachment part 116 that can be attached to the sewing machine body part by its one end. The lower part 12 is attached to the upper part 11 slidably in a direction crossing a workpiece feeding direction when the upper part 11 and the sewing machine body part are attached together. A storage part 122 for storing accessories is provided in the lower part 12, which is located on the opposite side to the one end.