Telescoping Handle Assembly with Single Latching Mechanism
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Solution Overview
Problem
Conventional handles for devices like wheelchairs and luggage often protrude, increasing dimensions, risking damage, and affecting aesthetics, while providing limited adjustability and storage options.
Innovation Solution
A telescoping handle assembly with a latching mechanism that includes a control toggle and pins, allowing the handle to be securely latched in multiple positions, collapsed for storage, and extended for use, reducing the device's exterior dimensions and minimizing unintentional contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a handle protrudes from the device to provide leverage, then the handle can be used for assistance and control, but the device dimensions increase and aesthetics are affected
Solution Approach 1:
The handle is designed to be dynamically adjustable between extended and retracted positions. The telescoping mechanism with multiple segments allows the handle length to change based on operational needs, providing leverage when required and minimizing dimensions when not in use.
Solution Approach 2:
The handle is divided into multiple telescoping segments that can extend and retract independently. This segmentation allows the handle to achieve the required length for leverage while maintaining a compact form when retracted, resolving the contradiction between operational effectiveness and compact dimensions.
2Ease of operation
If a handle protrudes from the device, then the handle provides leverage for assistance, but the risk of damage to the handle increases
Solution Approach 1:
The handle transitions from a static protruding structure to a dynamic telescoping mechanism that can be retracted when not in use or when potential damage is anticipated. This reduces exposure to damaging forces while maintaining operational capability when needed.
Solution Approach 2:
The telescoping mechanism includes damping elements and controlled engagement features that protect the handle segments from sudden impacts and excessive forces, cushioning against potential damage before it occurs.
3Adaptability or versatility
If a telescoping handle is made adjustable to multiple positions, then flexibility is improved, but the latching mechanism complexity increases
Solution Approach 1:
Multiple latching functions are merged into a single integrated latching mechanism. The mechanism uses a unified locking system that simultaneously secures multiple telescoping segments at their respective positions, reducing the number of separate latching components while maintaining multi-position capability.
Solution Approach 2:
The latching mechanism is designed as a universal system that can lock the handle at multiple positions using the same basic locking principle. This multi-functional approach allows a single mechanism design to handle various extension positions without requiring separate latching systems for each position.
Data Source
AI summary
A handle assembly for exerting forces on a vehicle is disclosed. The handle assembly includes a handle, a handle housing, an optional vehicle mounting plate, and a single latching mechanism. The handle has a first support post and a second support post. The first support post has a first end, the second support post has a second end, and the first end is operably coupled with the second end. The handle housing has a first sleeve and a second sleeve. The first sleeve receives the first support post and the second sleeve receives the second support post. The vehicle mounting plate can be attached to the first sleeve and the second sleeve, and mounts the handle onto the vehicle. The single latching mechanism is operably coupled with the handle housing and is capable of releasably engaging at least the first sleeve and the second sleeve.