Pivoting Tool Head Locking Mechanism for Tight Spaces
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Solution Overview
Problem
Tools with pivoting heads often face difficulties in tight spaces due to complex locking mechanisms that are hard to unlock and pivot, leading to usability issues in confined environments.
Innovation Solution
A locking mechanism positioned along the axis of rotation of the pivoting head, featuring a sliding switch or push button actuator, which allows for robust locking and adjustability with reduced complexity, enabling easy operation in tight spaces by minimizing the number of components and simplifying the actuation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex locking mechanism is used in tools with pivoting heads, then the locking reliability is improved, but the ease of operation deteriorates due to difficulty in unlocking and pivoting in tight spaces
Solution Approach 1:
The locking mechanism is segmented into distinct functional components: a locking member with engagement features, a separate actuating mechanism (push button or sliding switch), and a biasing component. This segmentation allows each component to perform its specific function efficiently, making the overall mechanism simpler to operate while maintaining reliability.
Solution Approach 2:
The conventional approach of requiring multiple steps to unlock is inverted by using a push button or sliding switch that directly actuates the locking member to disengage. The biasing component automatically returns the locking member to the locked position upon release, eliminating complex manual manipulation and enabling one-handed operation in tight spaces.
2Strength
If traditional locking mechanisms are used, then the locking strength is improved, but the device complexity increases due to more components
Solution Approach 1:
The actuating mechanism and locking member are merged into a compact assembly where the locking member is directly actuated by the push button or sliding switch. The biasing component is integrated within the same housing, creating a unified locking assembly that maintains strong engagement while minimizing the total number of separate components.
Solution Approach 2:
Complex multi-step locking sequences and additional safety mechanisms are extracted from the design. The locking function is achieved through a single direct actuation motion (pressing the button or sliding the switch), removing unnecessary intermediate components and simplifying the overall device structure while preserving locking strength.
3Ease of operation
If a compact locking mechanism is used to reduce components, then the ease of operation in tight spaces is improved, but the locking reliability may deteriorate
Solution Approach 1:
The biasing component is pre-loaded to automatically return the locking member to the engaged position upon release of the actuator. This preliminary action ensures that the locking member is always in the correct position for secure engagement, maintaining reliability despite the simplified compact design and enabling quick operation in confined spaces.
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 secure locking and increased adjustability in tight spaces with fewer components, enhancing usability and reducing the likelihood of accidental actuation, allowing for effective use in more confined work environments.
Implementation Method 1
The biasing component extends in a generally parallel orientation to the pivot axis and resists movement of the sliding switch
Implementation Method 2
The ball is positioned between the biasing component and an inward facing surface of the handle
Implementation Method 3
The sliding switch includes a plurality of teeth facing the toothed projection of the head
Data Source
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AI summary
A tool with a pivoting head is shown. The tool includes a locking mechanism that allows the angular position of the head to be locked securely in place once selected by a user. In a specific embodiment, the locking mechanism includes a locking channel positioned in a generally parallel orientation to the axis of rotation of the pivoting head. In a specific embodiment, the locking mechanism includes a biasing component positioned in a generally parallel orientation to the axis of rotation of the pivoting head. The locking mechanism may be used with a variety of tools, such as ratchet wrenches, that allow for repositioning of the head relative to the handle of the tool.