Detachable Powered Push Cart for Non-Motorized Vehicles

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Solution Overview

Problem

Conventional motor conversion kits for non-motorized vehicles are permanent, limiting their usability for tricks and competitions, and restricting their functionality when users want to switch between propulsion methods.

Innovation Solution

A detachable powered push cart with a frame, motor, and wheels that can be temporarily attached to non-motorized vehicles, allowing users to control speed and braking without permanently affixing a motor, enabling easy detachment for normal use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a permanent motor conversion kit is installed on a non-motorized vehicle, then the vehicle can be propelled without physical exertion, but the vehicle cannot be used for tricks and competitions

Engineering Contradiction:
Improvepropulsion without physical exertionVSAvoidusability for tricks and competitions
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The motor system is segmented into a detachable powered push cart that can be separated from the non-motorized vehicle. The cart includes a motor, controller, and battery pack that can be attached when propulsion assistance is needed and detached when the vehicle is used for tricks or competitions, allowing both functions to coexist without permanent modification

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The motor conversion system transitions from a static permanent installation to a dynamic detachable configuration. The powered push cart can be coupled to and decoupled from the non-motorized vehicle based on operational needs, enabling the system to adapt between motorized propulsion mode and manual operation mode

Inventive Principle:
Principle #15Dynamics

2Extent of automation

If a motor is permanently affixed to a non-motorized vehicle, then propulsion is automated, but the vehicle cannot be easily modified or adapted

Engineering Contradiction:
Improveautomated propulsionVSAvoidease of modification
Core Design Contradiction:
Extent of automationVSAdaptability or versatility

Solution Approach 1:

The motor conversion system employs dynamic coupling mechanisms that allow the powered push cart to be attached and detached from the non-motorized vehicle. This dynamic design enables automated propulsion when needed while maintaining the vehicle's adaptability for future modifications or different attachments

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The powered push cart is designed as a universal detachable unit that can be adapted to work with different types of non-motorized vehicles. The cart's motor, controller, and mounting system can be configured for various applications, enhancing both automation and adaptability

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11033801B2Detachable powered push carts
Publication Date: 2021.06.15 SZYMCZAK MICHAEL
  • US11033801B2 patent drawing
  • US11033801B2 patent drawing
  • US11033801B2 patent drawing

AI summary

A method, system, apparatus, and/or device for propelling a non-motorized vehicle forward. The method, system, apparatus, and/or device may include a frame, a first wheel, a second wheel, a motor, a controller, and a bracket. The frame may attach to the first wheel, the second wheel, and the motor. The first wheel may attach to a first side of the frame and rotate about an axis. The second wheel may attach to a second side of the frame and rotate about the axis. The motor may connect to the first wheel, where the motor is configured to rotate the first wheel to propel the apparatus forward. The controller may control a speed at which the motor rotates the first wheel. The bracket may attach to a front of the first frame and connect to a non-motorized vehicle.