Interchangeable Hook Tie-Down Strap Design
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Solution Overview
Problem
Movers need to carry multiple tie-down straps with different hooks to accommodate various cargo securing requirements, leading to inefficiency and expense due to permanently fixed hooks on straps.
Innovation Solution
A tie-down strap with a looped end featuring multiple hooks of different configurations, where each hook has an eye, allowing one hook to pass through the eye of another, enabling easy exchange and adaptation to different attachment points using a hitch like a hook-and-loop fastener.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hooks are permanently fixed to straps, then connection reliability is improved, but adaptability deteriorates
Solution Approach 1:
The strap system is segmented into two independent components: the strap with loop and the hook assembly. The hook can be detached and replaced, allowing the strap to maintain reliability while adapting to different hooking requirements through component separation and recombination.
Solution Approach 2:
The hook attachment is made dynamic rather than fixed. The hook can be attached, detached, and reattached to the same strap multiple times, allowing the system to adapt to different cargo securing scenarios while maintaining reliable connections through proper reattachment procedures.
2Adaptability or versatility
If multiple straps with different hooks are carried, then adaptability is improved, but device complexity increases
Solution Approach 1:
A single strap design serves multiple functions by accommodating different hook types. The standardized loop and attachment mechanism allow the same strap to work with various hook configurations, making one strap replace multiple specialized straps.
Solution Approach 2:
The invention merges the functionality of multiple specialized straps into a single universal strap design. By combining the strap body with interchangeable hook attachments, it consolidates what would otherwise require separate straps for different hooking scenarios.
3Adaptability or versatility
If multiple straps are carried to cover all hook possibilities, then adaptability is improved, but loss of substance increases
Solution Approach 1:
The universal strap design allows one strap to perform the cargo securing function for multiple different hook types, eliminating the need to carry multiple straps and reducing both weight and cost while maintaining full adaptability coverage.
Solution Approach 2:
Instead of discarding entire straps when a different hook type is needed, the system allows discarding only the hook attachment while recovering and reusing the strap itself. This reduces waste and the need to carry backup straps.
Data Source
AI summary
A tie-down strap is described, having a length of fabric having a distal end and a proximal end, wherein a loop is securely formed at the distal end. A first hook having a first eye, is provided, wherein the loop passes through the first eye. A second hook, having a different configuration from the first hook is provided, having a second eye wherein the loop passes through the second eye. The second hook is sized and configured to pass through the first eye of the first hook.