Guide-Mounted Fall Locking Mechanism for One-Handed Braking
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Solution Overview
Problem
Current fall protection devices face challenges in allowing free movement while enabling quick and effective activation of the braking mechanism, often requiring complex operations and inadequate one-handed functionality.
Innovation Solution
A locking system with a housing and rotatable braking and locking levers, where the braking lever engages the guide member to restrict motion, and the locking lever rotates from an unlocked to a locked position, allowing one-handed operation and restricting motion in one direction, with components positioned for easy access and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the braking mechanism is designed to engage the guide member for fall protection, then safety and reliability are improved, but the device complexity increases due to the need for multiple levers and positioning mechanisms
Solution Approach 1:
The locking lever and braking lever are merged into a single integrated component that performs both locking and braking functions. The locking lever rotates about a pivot point positioned on the guide member, with its distal end functioning as the braking surface that directly contacts the guide member to provide braking action, eliminating the need for separate locking and braking mechanisms.
Solution Approach 2:
The locking lever serves multiple functions: it acts as both a locking mechanism (when engaged with the guide member at specific angles) and a braking mechanism (when its distal end contacts the guide member). This multi-functionality reduces device complexity while maintaining reliability for fall protection.
2Ease of operation
If the locking lever is positioned close to the guide member for easy one-handed operation, then ease of operation is improved, but the braking lever rotation range may be insufficient to achieve effective engagement
Solution Approach 1:
The locking lever rotates in a plane that is substantially perpendicular to the longitudinal axis of the guide member, utilizing a different dimensional orientation for its rotation. This allows the lever to achieve effective engagement while maintaining a compact position near the guide member, facilitating one-handed operation without requiring excessive rotation range in the traditional direction.
3Reliability
If the braking surface is positioned to engage the guide member effectively, then braking effectiveness is improved, but the locking lever cannot rotate freely between unlocked and locked positions
Solution Approach 1:
The locking lever is designed with dynamic positioning capability, allowing it to rotate between multiple angular positions (unlocked, locked, and intermediate braking positions). The lever can be positioned at different angles relative to the guide member depending on the operational state, providing both effective braking engagement and free rotation for operation. The distal end serves as the braking surface that contacts the guide member when needed.
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 quick and efficient activation of the braking mechanism for permanent stoppage in one direction, facilitating one-handed operation and enhancing user safety by ensuring easy and intuitive locking and unlocking processes.
Implementation Method 1
the locking lever also includes a locking ball connected to a locking lever spring. In such an embodiment, the protrusion is in contact with the locking ball so as to restrict rotation of the locking lever from the unlocked position to the locked position.
Data Source
AI summary
A locking system is provided for fall protection. The locking system includes a housing. The housing defines a guide path through which the housing is slideably attached to a guide member. The locking system also includes a braking lever having a braking surface and an attachment end. The braking lever is configured to rotate so as to allow a braking surface to engage the guide member. The locking system further include a locking lever that is rotatably coupled to the braking lever. The locking lever is rotatable such that it rotates from an unlocked position to a locked position. In the unlocked position an activation end of the locking lever is positioned in a first location that is proximate to the attachment end and in the locked position the activation end is positioned in a second position distant to the attachment end.