Zip Slider Pull Tab Retention via Integrated Biasing Lock
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Solution Overview
Problem
Existing zip sliders often require complex assembly and may not securely retain a detachable pull tab, which can lead to instability and increased manufacturing costs, as well as limitations in design flexibility for different garment styles.
Innovation Solution
A zip slider design featuring a body with upper and lower jaw members, a biasing member, and a locking member with a retractable prong, where the biasing member biases the prong into engagement with the zip teeth to secure the pull tab, allowing for easy attachment and retention without additional assembly pieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex assembly mechanism is used to retain the pull tab, then the retention security is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The locking member and biasing member are integrated into a single unit that combines both functions. The locking member includes a prong that engages the zip teeth while the biasing member provides continuous force, eliminating the need for separate assembly steps and reducing overall complexity while maintaining secure retention.
Solution Approach 2:
The biasing member automatically maintains the locking member in its engaged position with the zip teeth. The spring-loaded mechanism self-regulates to ensure continuous engagement pressure without requiring external adjustment or complex control systems, simplifying both assembly and operation.
2Reliability
If additional assembly pieces are added to secure the pull tab, then the retention security is improved, but the manufacturing cost increases
Solution Approach 1:
The locking and biasing functions are merged into a single integrated component rather than using separate pieces. This reduces the total number of parts that need to be manufactured, inventoried, and assembled, thereby lowering manufacturing costs while maintaining secure pull tab retention.
Solution Approach 2:
The locking member serves multiple functions simultaneously: it provides mechanical engagement with the zip teeth, works with the biasing member to maintain retention security, and integrates the pull tab attachment mechanism. This multi-functionality eliminates the need for additional specialized components.
3Adaptability or versatility
If the zip slider design is modified to accommodate different pull tab styles, then the adaptability is improved, but the manufacturing complexity of the slider increases
Solution Approach 1:
The locking member and jaw members are designed with universal engagement features that can accommodate various pull tab styles and configurations. The prong engagement mechanism and jaw structure provide a standardized interface that works with different pull tab designs without requiring modifications to the slider itself.
Solution Approach 2:
The pull tab attachment function is segmented into a separate, modular locking mechanism that can independently accommodate different pull tab styles. This modular approach allows the main slider body to remain simple while providing versatility through the interchangeable or adaptable locking component.
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 design securely retains the pull tab, simplifies manufacturing by eliminating the need for complex assembly, and allows for versatile pull tab designs without altering the zip slider, reducing the risk of damage during garment construction.
Implementation Method 1
a biasing member, pivotally mounted on the body, and being pivotable in a first direction between a rest position and a deflected position
Data Source
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Figure 7
AI summary
A zip slider comprises: a body (200) having two channels through which opposing rows of zip teeth may be respectively fed into a single channel in which the zip teeth are forced into interdigitation; upper and lower jaw members (114, 140) mounted on the body (200) and defining a slot between them; a biasing member (180), pivotally mounted on the body (200), and being pivotable in a first direction between a rest position and a deflected position, wherein pivoting of the biasing member (180) out of the rest position permits insertion of a loop of a pull tab into the jaws (114, 140) and, in the rest position, the biasing member (180) prohibits removal of the pull tab from the jaws (114, 140).