Transfer seat platform

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Solution Overview

Problem

Existing transfer seat platforms for individuals with limited mobility are cumbersome, require electrical power, and pose risks of injury to both caregivers and the individuals being transferred due to the need for lifting and balancing.

Innovation Solution

A lightweight, adjustable, and collapsible transfer seat platform that allows individuals with limited mobility to transfer from a wheelchair to a vehicle without lifting, using a stand portion with adjustable front legs and an extended lip for guidance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional transfer methods are used to assist individuals with limited mobility into a vehicle, then the transfer can be completed, but the caregiver is at risk of back injuries due to the need to balance their own body weight along with the individual's body weight

Engineering Contradiction:
Improvesafety of caregiverVSAvoidphysical effort required
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The transfer seat platform serves as an intermediary device between the wheelchair and the vehicle. It provides a stable seating surface that supports the individual's weight during transfer, eliminating the need for the caregiver to physically hold or balance the individual. The platform acts as a mechanical mediator that distributes and supports the load, thereby protecting the caregiver's back while facilitating safe transfer.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If existing transfer seat platforms are used, then transfer assistance is provided, but the units are cumbersome and often require an electrical power source to operate

Engineering Contradiction:
Improvetransfer assistance capabilityVSAvoidweight of transfer device
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The invention extracts and eliminates the electrical power source and motorized components from the transfer seat platform. By removing these heavy elements, the device becomes lightweight and portable while still providing effective transfer assistance through its simple mechanical design, which relies on the caregiver's positioning and the platform's structural stability rather than powered mechanisms.

Inventive Principle:
Principle #2Taking out (Extraction)

3Reliability

If existing transfer seat platforms are used, then transfer assistance is provided, but the units are cumbersome and difficult to store and transport

Engineering Contradiction:
Improvetransfer assistance capabilityVSAvoidportability and storage flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The transfer seat platform is designed as a segmented, modular structure that can be easily assembled and disassembled. The platform consists of separate components including the seat portion, support legs, and connection elements that can be quickly configured or stored. This segmentation enables the device to be compact for storage and transport while maintaining full functionality when deployed.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250177225A1Transfer seat platform
Publication Date: 2025.06.05 HALLORAN LOREN
  • US20250177225A1 patent drawing
  • US20250177225A1 patent drawing
  • US20250177225A1 patent drawing

AI summary

A transfer seat platform that helps transfer a handicapped person from a wheelchair into a vehicle. The transfer seat platform includes a stand portion having a top portion with a bottom portion, a pair of front legs, and an extended lip, the top portion includes a front end and a back end, the pair of front legs extend from the front end of the top portion of the stand portion and the extended lip extends from the bottom portion of the top portion, and a cushion is disposed and coupled directly on the top portion. The pair of front legs have an adjustable length via a locking assembly. The pair of front legs are placed on a ground surface and the extended lip is placed within a vehicle doorframe.