Adjustable Rope Tie Clamping for Secure Knot-Free Restraint
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Solution Overview
Problem
Horse owners face the risk of injury and property damage due to horses panicking when tied too tightly, and boaters struggle with securely docking boats in challenging conditions without tying knots, which can lead to accidents and damage.
Innovation Solution
A rope tie with pivotally connected arms that can be adjusted to wrap around ropes, allowing for variable resistance to prevent horse panic and secure boat docking without the need for knots, using a mechanism that allows for easy adjustment and secure clamping of ropes or lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a horse is tied hard and fast with a knot, then the horse is securely restrained, but the horse may panic and pull back causing injury and property damage
Solution Approach 1:
The rope tie uses a dynamic clamping mechanism with movable arms that can adjust their grip on the rope. The arms are held together by a spring bias and can be separated by pulling on the release member, allowing the system to transition between secured and released states dynamically rather than being fixed in one position
Solution Approach 2:
The spring mechanism allows the clamping force to change dynamically - when the rope is pulled, the spring compresses and maintains continuous pressure on the rope between the arms, automatically adjusting the restraint level based on the applied force rather than maintaining a fixed tight knot
2Reliability
If a knot is used to secure a boat to a dock, then the boat is held firmly, but docking becomes difficult in low-light and crowded conditions
Solution Approach 1:
The invention extracts the knot-tying step entirely from the docking process. Instead of requiring a user to tie a knot, the system uses a mechanical clamping device that secures the rope through a simple wrapping and releasing motion, eliminating the complex manual knot-tying operation
Solution Approach 2:
The rope tie device acts as an intermediary between the rope and the dock, providing the securing function mechanically rather than requiring human hands to create a knot. The device mediates the connection by clamping the rope against itself or the dock structure
Data Source
AI summary
A hand-held rope tie is operable to releasably hold one or more portions of a rope. Pivotally connected arm members accommodate and hold the rope portions with a selected clamping pressure. The rope tie is adjustable to tightly grip and clamp onto the rope without slippage of the rope through the arms when desired.