Wheelchair Accessory Mounting Adapter for Clear Ingress and Egress
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Solution Overview
Problem
Existing solutions for mounting accessories on powered wheelchairs often cause damage, interfere with user access, and require complex assembly, limiting independence and ease of use, especially when entering or exiting the wheelchair.
Innovation Solution
A multi-mount accessory adapter with a semi-permanent mount system that includes a base mount and telescoping member with various engagement features, allowing easy attachment and detachment of accessories without interfering with wheelchair operation, and positioning to ensure unobstructed ingress and egress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If accessories are mounted to the arms of the wheelchair, then a useful table is provided for the user, but the wheelchair arms may be damaged and the use of arms as a resting spot is interfered with
Solution Approach 1:
The accessory mounting system is extracted from the wheelchair arms and relocated to a dedicated mounting structure attached to the wheelchair frame. This separates the accessory mounting function from the arm rest function, allowing accessories to be mounted without damaging or interfering with the arms.
Solution Approach 2:
A base mount serves as an intermediary component between the wheelchair frame and the accessories. This intermediate mounting structure provides a dedicated attachment point that eliminates direct contact between accessories and wheelchair arms, preventing damage while maintaining utility.
2Quantity of substance
If baskets are mounted behind the operator, then shopping capacity is increased, but easy access when shopping is compromised
Solution Approach 1:
The accessory mounting system allows for dynamic repositioning and adjustment of accessories to optimal access positions. The telescoping member and adjustable mounting positions enable users to configure the system for easy access during shopping activities while maintaining adequate storage capacity.
3Reliability
If complex mounting structures are used, then secure attachment of accessories is achieved, but difficulty of assembly without third party support increases
Solution Approach 1:
The mounting system is segmented into modular components (base mount, telescoping member, accessory attachments) that can be independently assembled and adjusted. This modular design simplifies assembly while maintaining secure attachment, allowing users to assemble components step-by-step without requiring complex tools or third-party support.
4Ease of operation
If mounting structures are positioned in front of the operator, then accessory accessibility is improved, but interference with wheelchair operator entry and exit occurs
Solution Approach 1:
The mounting system utilizes the vertical dimension through the telescoping member to provide accessory accessibility without horizontal interference. Accessories can be positioned at elevated locations that are easily accessible to the operator while clear of the path required for entry and exit from the wheelchair.
Data Source
AI summary
An accessory adapter for a wheelchair having a chassis, a mounting bracket and a foot platform. The adapter includes a base mount having a bracket engagement portion for engaging the mounting bracket and an extension engagement portion for engaging an extension member. The extension member includes a first and second extension engagement feature for engaging the mounting bracket and an accessory member respectively.