Lever Binder Pivot Structure for Stronger Chain Alignment
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Solution Overview
Problem
Existing lever binders used for tightening and securing link chains to stabilize heavy cargo on vehicles or vessels lack an improved design that enhances strength and alignment during the binding process.
Innovation Solution
A multi-attachment lever binder with a lever having trunnions and bifurcated arms that form pivot points, allowing for interlocking features and increased strength, and enabling the movement from an open to a binding position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional lever binder design is used, then device simplicity is maintained, but binding strength and alignment are insufficient
Solution Approach 1:
The binder body is divided into multiple functional components: a lever arm, a pivot point mechanism, and a binding point system. This segmentation allows each component to be optimized independently for strength while maintaining overall structural efficiency
Solution Approach 2:
The lever arm is designed with asymmetric geometry where the distance from the pivot point to the binding point differs from the distance from the pivot point to the handle. This asymmetric design creates mechanical advantage that amplifies binding strength while the interlocking features provide alignment stability
2Manufacturing precision
If traditional pivot connection is used, then ease of manufacture is maintained, but alignment precision during binding is insufficient
Solution Approach 1:
Interlocking features such as tabs and slots are pre-formed on the lever arm and binder body components during manufacturing. These pre-formed features automatically align components when assembled, ensuring precise alignment without requiring complex adjustment procedures during assembly
Solution Approach 2:
The pivot point acts as an intermediary element between the lever arm and the binder body, providing a fixed rotation center that ensures consistent alignment. The pivot connection geometry is specifically designed to maintain precise angular relationships throughout the binding motion
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 multi-attachment lever binder effectively secures link chains by providing increased strength and alignment through its interlocking features and pivot points, ensuring a stable binding of heavy cargo.
Implementation Method 1
A lever binder is one type of mechanical device for the above purpose that applies an over-center movement and stores kinetic energy in its handle.
Data Source
AI summary
A multi-attachment lever binder with a lever having a first and second bifurcated arm mounted thereon. The first bifurcated arm is mounted on the lever to establish a first pivot point. The second bifurcated arm is mounted on the lever to establish a second pivot point. The ends of the first and second bifurcated arms disposed opposite from the pivot points may be joined together to form a cavity for retaining the end of a connection device. The second pivot point is configured to move in an arc centered about the first pivot point as the lever is moved from an open position to a binding position.