Quick-Connect Tool Lanyard With Swivel Cinch for Heavy Tools
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Solution Overview
Problem
Existing lanyards are unreliable for securing larger or heavier tools due to frequent breakage, and they lack efficient attachment mechanisms for secure tool management.
Innovation Solution
The development of heavy-duty lanyards with a strap, cinch, and attachment mechanisms, including a swivel member for rotation and a quick connect feature, along with a carabiner system that uses a pivotable locking bar for secure attachment to tools and objects, and integration with a tracking system for inspection and replacement management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional lanyards are used to secure tools, then tool attachment is simple, but the lanyards frequently break and are unreliable for heavier tools
Solution Approach 1:
The lanyard system is divided into multiple components: a separate carabiner attachment mechanism with locking bar, a distinct cinch mechanism for tool attachment, and the strap itself. This segmentation allows each component to be optimized for its specific function, with the carabiner and locking bar providing robust, reliable attachment that can support heavier tools without the entire lanyard needing to be replaced upon failure of a single component.
Solution Approach 2:
The locking bar is designed to be movable between locked and unlocked positions, allowing dynamic control of the attachment state. The cinch mechanism provides dynamic adjustment capability for securing tools at different positions on the strap. These dynamic features enable the system to adapt to different tool weights and attachment requirements while maintaining reliability.
2Reliability
If a secure attachment mechanism like a carabiner with locking bar is used, then tool security is improved, but the attachment and detachment process becomes more complex
Solution Approach 1:
The locking bar mechanism is designed to automatically engage and lock when the carabiner is closed, eliminating the need for separate manual locking actions. The cinch mechanism automatically tightens and secures the tool when pulled, providing self-securing functionality that maintains high security while simplifying the user operation to basic closing and tightening motions.
3Strength
If a lanyard system is designed for heavy duty use with multiple components, then strength and reliability are improved, but the device complexity increases
Solution Approach 1:
The carabiner component serves multiple functions: it provides the primary attachment point, incorporates the locking bar mechanism for security, and can be used with various tool types through the standardized cinch interface. This multi-functionality reduces the need for separate specialized components for different tools, thereby managing complexity while maintaining strength and versatility.
4Productivity
If traditional lanyards are used, then tool attachment is straightforward, but there is no tracking system for inspection and replacement management
Solution Approach 1:
A tracking tag is introduced as an intermediary component attached to the lanyard system. This tag serves as a mediator between the physical lanyard and the digital tracking/inspection system, enabling automated monitoring, inspection scheduling, and replacement management without requiring complex integration into the mechanical structure of the lanyard itself.
Data Source
AI summary
A lanyard assembly including a strap having a first end and a second end, an attachment mechanism coupled to the first end and a quick connect attachment mechanism connected to the second end. The quick connect attachment mechanism includes a swivel member and a cinch for securing a tool coupled to the swivel member. The swivel member is configured to allow rotation between the cinch and the strap and the quick connect attachment mechanism can be quickly engaged and disengaged from the strap to allow the quick connection of various tools.