Wire-Gate Carabiner Torsional Biasing and Debris Shielding
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Solution Overview
Problem
Conventional wire-gate carabiners face manufacturing cost, durability, and weight issues due to complex gate/frame interfaces, and are susceptible to debris obstruction, which impede reliable coupling and disengagement.
Innovation Solution
A wire-gate carabiner system with a frame, gate, and gate biasing system where the gate is pivotably coupled to the frame using independent gate coupling points, utilizing torsional rigidity for biasing, and featuring a cover that shields the arch and hook from lateral obstructions, preventing debris accumulation and enhancing reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hook structure is used in the gate/frame interface, then reliable coupling is achieved, but weight increases and manufacturing complexity increases
Solution Approach 1:
The gate/frame interface is segmented into distinct functional elements: the hook element, the gate element with loop, and the cover element. This segmentation allows each component to be optimized independently - the hook provides reliable coupling while the cover protects it, and the wire-gate maintains minimal thickness for weight savings.
Solution Approach 2:
The hook structure is implemented only in the specific localized region where coupling is needed, rather than throughout the entire gate or frame. The cover provides protection only where debris accumulation would interfere with operation. This localized approach maintains weight savings while providing necessary functionality.
2Weight of moving object
If the gate is made thinner to reduce weight, then weight decreases, but the gate becomes more susceptible to debris obstruction
Solution Approach 1:
The cover acts as an intermediary element between the external environment and the gate/frame interface. It shields the hook and gate loop from debris while allowing the gate to remain thin and lightweight. The cover transfers the protective function from the gate structure itself to a separate dedicated component.
3Object-affected harmful factors
If a cover is added to shield the hook and gate, then protection from debris improves, but device complexity increases
Solution Approach 1:
The cover is merged with the frame as a single integrated component rather than being a separate attachment. This merging reduces the number of discrete parts and simplifies manufacturing while still providing the necessary protective function for the hook and gate interface.
4Object-affected harmful factors
If the cover is made rigid to provide effective shielding, then protection improves, but the cover becomes susceptible to debris filling the recess
Solution Approach 1:
The cover is designed with flexibility rather than rigidity, allowing it to deform elastically when pressed by debris or during gate operation. This dynamic response prevents debris from becoming permanently trapped in the recess while maintaining effective lateral shielding during normal operation.
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
The solution simplifies manufacturing, reduces weight, improves durability, and ensures reliable coupling by minimizing debris obstruction and lateral interference, while maintaining the weight-saving characteristics of wire-gate carabiners.
Implementation Method 1
the torsional properties of the wire automatically generate a biasing force that mechanically urges the gate back toward the closed configuration
Implementation Method 2
The cover is oriented and shaped to laterally shield the arch and hook from undesirable couplings
Data Source
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AI summary
One embodiment of the present invention relates to an improved wire-gate carabiner system (100) including a frame (110), gate (120), and gate biasing system. The gate (120) is pivotably coupled to the frame (110) across an opening (116) to form a continuously enclosed inner region (160) in a closed configuration. The gate (120) may be referred to as a wire-type gate in that it includes an arch (124) and two ends (122,123). The arch (120) is looped over a hook (112) disposed on the keyed region (114) of the frame (110) in the closed configuration. The two ends (122,123) are pivotably coupled to the frame (110) at two independent gate coupling points (113,115) on the pivot region (112) so as to utilize the torsional rigidity of the gate structure as the gate biasing system. The keyed region (114) of the frame includes the hook (118) and a cover (130). The cover (130) is oriented and shaped to laterally shield the arch (124) and hook (118) from undesirable couplings.