Ratchet Socket Retention Linkage Locking Mechanism
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Solution Overview
Problem
Existing hand tools used at heights often require tethering, which can be cumbersome for workers, and existing solutions do not adequately address the need for a secure, user-friendly retention mechanism that allows for easy tool attachment and detachment while maintaining safety.
Innovation Solution
A ratcheting tool design featuring a ratchet member with a pawl and detent mechanism, along with a locking element and resilient members, that allows for secure socket retention and easy release, integrated with a socket retention mechanism that includes a frame with docks for multiple sockets, enabling secure tool attachment and detachment without the need for cumbersome tethers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard hand tools are modified to allow tethering by drilling holes and attaching retaining straps or rings, then tool retention capability is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The retention mechanism is segmented into distinct functional components: a pawl that engages with ratchet teeth on the drive tang, and a separate locking element that can be independently actuated. This segmentation allows the retention function to be integrated into the tool's existing structure without adding external straps or rings, thereby maintaining reliability while reducing device complexity
Solution Approach 2:
The retention mechanism is merged with the tool's drive tang and body structure. The pawl is positioned within the tool body to engage the drive tang, and the locking element is integrated into the same structure. This merging eliminates the need for separate tethering components, reducing device complexity while maintaining secure retention capability
2Reliability
If standard hand tools are modified to allow tethering by drilling holes and attaching retaining straps or rings, then tool retention capability is improved, but ease of operation deteriorates
Solution Approach 1:
The pawl automatically engages with the ratchet teeth on the drive tang through spring biasing, providing self-service retention without requiring user intervention. The locking element can be quickly actuated by the user to secure or release the socket, maintaining ease of operation while ensuring reliable retention
Solution Approach 2:
The locking element is designed to be movable between locked and unlocked positions, allowing quick transition between retention states. This dynamic design enables the user to easily secure or release the socket with minimal effort, improving ease of operation while maintaining secure retention when locked
3Reliability
If a locking element is added to block linkage actuation, then socket retention security is improved, but device complexity increases
Solution Approach 1:
The locking element is nested within the tool body structure, utilizing existing cavities and spaces. The locking element pivots within a defined arc that is contained within the tool's overall structure, and its engagement with the linkage is integrated into the existing mechanism layout. This nesting approach adds the locking function while minimizing the increase in device complexity
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 solution provides a secure and user-friendly method for retaining tools at heights, allowing for easy attachment and detachment while ensuring safety, thereby reducing the cumbersome nature of traditional tethering methods.
Implementation Method 1
a first resilient member in communication with the push member so that the first resilient member biases the push member to a first position
Implementation Method 2
A second resilient element is disposed between the ratchet member and the locking element so that the second resilient element biases the locking element toward engagement with the linkage
Data Source
AI summary
A ratcheting tool has a drive tang with a socket retaining detent and a linkage to engage the detent. A locking element is disposed movably between a first position wherein the locking element engages the linkage when a first actuator is in a first position so that the locking element blocks movement of the linkage so that the detent remains in a socket-retaining position and a second position in which the locking element disengages the linkage. A storage device for retaining sockets has a frame and one or more docks attached to the frame, each dock having a first retainer member, a second retainer member, and a third retainer member, at least one of which is selectively movable with respect to a socket receiving space so that a socket is removable from the socket receiving space.