Ratcheting Chain Binder With Mechanical Thread Release

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Solution Overview

Problem

Ratcheting chain binders require manual rotation of hooks to secure loads, which is time-consuming, and existing solutions often necessitate carrying a second tool, such as a battery-powered drill, to quickly take up slack or extend hooks.

Innovation Solution

A ratcheting chain binder with a rotatable body, hooks, and a ratcheting handle, featuring a mechanical thread release lever with teeth that can be disengaged to allow axial motion of the body for quick extension and re-engaged for tensioning, eliminating the need for additional tools.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual rotation of hooks is used to secure loads, then the device structure remains simple, but the operation time increases significantly

Engineering Contradiction:

Improveoperation speedVSAvoiddevice structure

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The release lever is nested within the handle assembly, with the lever pivotally connected to the handle body and the teeth integrated into the lever structure. This nested configuration allows the release mechanism to be compact while maintaining full functionality, enabling quick hook extension without adding external components.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The release lever utilizes the user's input force directly through mechanical advantage, where pressing the lever causes the teeth to disengage from the threads and allow hook extension. The system serves itself by converting the user's pressing action into the necessary mechanical motion for rapid hook deployment without requiring separate power sources or additional tools.

Inventive Principle:

Principle #25Self-service

2Productivity

If a battery-powered drill is used to quickly take up slack or extend hooks, then the extension speed improves, but the requirement for additional tools increases

Engineering Contradiction:

Improveextension speedVSAvoidtool requirement

Core Design Contradiction:

ProductivityVSAdaptability or versatility

Solution Approach 1:

The handle assembly is designed to perform multiple functions: it provides the ratcheting action for tensioning hooks and incorporates the release lever mechanism for rapid hook extension. This multi-functional design eliminates the need for separate tools like battery-powered drills, as the same handle assembly handles both tightening and quick-release operations.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The release lever mechanism is merged with the handle assembly, combining the tensioning function and the quick-extension function into a single integrated tool. The teeth on the lever engage with the threads to control hook motion, allowing both ratcheting and rapid extension capabilities to coexist in one device.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If the teeth are constantly engaged with the threads to prevent axial motion, then the hook position is stable, but the ability to quickly extend the hook is lost

Engineering Contradiction:

Improvehook position stabilityVSAvoidhook extension ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The release lever transitions between two dynamic states: when pressed, the teeth disengage from the threads allowing free axial motion for hook extension; when released, the teeth re-engage to prevent axial motion and stabilize the hook position. This dynamic switching mechanism provides both quick extension capability and position stability as needed.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The release lever acts as an intermediary mechanism between the user's input and the hook's axial motion. By pressing the lever, the user activates the teeth to disengage, mediating the transition from a locked stable state to an unlocked movable state, enabling controlled quick extension while maintaining stability during normal operation.

Inventive Principle:

Principle #24Intermediary (Mediator)

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

Enables rapid and efficient tensioning of chains without the need for additional tools, reducing operational time and improving usability in securing loads.

Implementation Method 1

a ratcheting handle for providing a ratcheting action

Methodology Applied

Scientific EffectRatcheting action: Ratchet

Implementation Method 2

a ratcheting handle for providing a ratcheting action to create tension

Methodology Applied

Scientific EffectMechanical advantage: Mechanical Advantage

Implementation Method 3

an axially rotatable body having two ends and threads thereon

Methodology Applied

Scientific EffectThreaded mechanism: Screw

Implementation Method 4

a lever pivotably secured to the body and having thereon teeth and a user pad, the user pad adapted to be depressible by a user to move the lever from a first position wherein the teeth engage the threads to prevent axial motion of the body

Methodology Applied

Scientific EffectMechanical constraint: Mechanical Fastener

Data Source

PatentUS12194908B2Ratcheting chain binder

Publication Date: 2025.01.14 J J KELLER & ASSOCS

AI summary

A ratcheting chain binder including a mechanical release to allowing the body to be freely moveable up to a fully extended position.