Rotatable Pick-Up Tool Hinge for Ergonomic Confined Access
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Solution Overview
Problem
Conventional pick-up devices face ergonomic issues when handling heavy objects and navigating confined spaces, with suboptimal force distribution and inconvenient orientations, and they are cumbersome for storage and display due to fixed rod orientations.
Innovation Solution
Incorporating a hinge at a medial location on the rod allows for angular adjustment of the engagement elements relative to the handle, enabling two pre-selected positions approximately 90 degrees apart, and integrating a light source within the rod for improved illumination and reduced profile, which also serves as a cap to prevent debris entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the user turns their arm to achieve alternative orientations of the engagement elements, then the engagement elements can be oriented differently, but this results in less favorable ergonomic arrangement and cannot conveniently manipulate the locking mechanism
Solution Approach 1:
The rod is made rotatable relative to the handle through a locking mechanism that allows the rod to be rotated to different angular positions (e.g., 0 degrees, 45 degrees, 90 degrees) and then locked in place. This dynamic adjustability enables the engagement elements to be oriented differently while keeping the handle in a fixed ergonomic position, resolving the contradiction between adaptability and ease of operation
Solution Approach 2:
The device is segmented into two independent functional parts: the handle (with controller and locking mechanism) and the rod (with engagement elements). This segmentation allows the rod to be independently rotated and locked at different angles without affecting the handle's ergonomic position, enabling orientation change while maintaining comfortable operation
2Adaptability or versatility
If the engagement elements are oriented in a plane transverse to the pistol grip handle, then the device can operate in narrow confines, but the handle may not fit within the space or manipulation becomes inconvenient
Solution Approach 1:
The rod's rotatable design allows it to be dynamically adjusted to different angular positions relative to the handle. When operating in narrow confines, the rod can be rotated to orient the engagement elements in the needed direction while keeping the pistol grip handle in a comfortable, accessible position for the user
Solution Approach 2:
By separating the handle and rod into independently positionable segments, the device allows the rod to be oriented transverse to the handle for confined space operation, while the handle remains in a convenient position for manipulation. The locking mechanism ensures the rod maintains its oriented position during use
3Device complexity
If conventional pick-up devices are packaged and stored with fixed orientations, then the structure is simple, but the storage and packaging become inconvenient
Solution Approach 1:
The rod's rotatable feature allows the device to be configured in different orientations for storage and packaging. The device can be stored with the rod aligned with the handle for compact linear storage, or with the rod at an angle for different packaging configurations, providing flexibility without adding significant structural complexity
Solution Approach 2:
The separable connection between handle and rod via locking mechanism allows the device to be disassembled into segments for compact storage or reconfigured into different orientations for packaging, improving storage convenience while maintaining relatively simple device structure
Data Source
AI summary
An improvement to elongate tools for engaging objects from remote distances includes a connection between the rod on which the engagement elements are provided and the handle of the that allows for the orientation of the rod with respect to the handle to occupy at least two pre-selected fixed positions which are angular positions approximately 90 degrees from one another.