Payload Strap Fastener for Tensioned Wrap and Excess Strap Control
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Solution Overview
Problem
Existing strap systems for securing payloads often have excess length that flaps around in the wind, leading to unnecessary exposure and potential damage, and lack efficient methods to securely fasten bulky items or excess strap lengths.
Innovation Solution
A strap system comprising a first fastener with a connecting crosspiece, reversing crosspiece, and hanger, along with an elastic and inelastic strap section, utilizing a hook and loop fastener system to securely wrap and cinch around payloads, with the option to attach the hanger to the payload and reverse wrapping direction for enhanced security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If excess strap length is used to secure bulky payloads, then the strap can accommodate larger items, but the excess length flaps around in the wind causing exposure and potential damage
Solution Approach 1:
The patent extracts the excess strap length from the functional securing portion and separates it into a distinct manageable section. The ratchet mechanism winds and secures the excess length along the strap's length, isolating it from the payload-securing function. This allows the strap to maintain adaptability for bulky items while preventing the harmful flapping effect by containing the excess length in an organized, secured state along the strap body.
2Device complexity
If a simple strap design is used, then the device complexity is low, but there is no efficient method to securely fasten excess strap lengths
Solution Approach 1:
The patent merges the excess strap management function with the existing ratchet mechanism already present in the strap design. The ratchet, originally used for tightening the strap around the payload, is also utilized to wind and secure the excess length. This integration approach maintains relative simplicity by using an existing component for dual purposes, while achieving reliable fastening of the excess strap length through the ratchet's inherent locking capability.
3Strength
If the strap is tightened securely around the payload, then the payload is held firmly, but the excess length cannot be managed effectively
Solution Approach 1:
The patent incorporates preliminary action by providing a designated section along the strap's length specifically prepared for excess length management. This section includes the ratchet mechanism positioned and configured in advance to receive and wind the excess strap. When the strap is tightened around the payload, the excess length is already positioned to be wound onto this pre-prepared section, making the management process efficient and integrated into the normal tightening operation rather than requiring separate steps.
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 strap system effectively secures payloads by maintaining tension with an elastic section and using a hook and loop fastener to keep excess strap lengths tidy, preventing flapping and providing a secure, versatile solution for various applications.
Implementation Method 1
a strap attached to the connecting crosspiece of the first fastener and capable of passing around the reversing crosspiece and tightening the strap around the payload
Data Source
AI summary
The present invention discloses a strap system for securing a payload. The strap system includes a first fastener having a connecting crosspiece, a reversing crosspiece, and a hanger capable of attaching to the payload. The strap system also includes a strap attached to the connecting crosspiece of the first fastener and capable of passing around the reversing crosspiece and tightening the strap around the payload.