Provisional Patent

Mech Chair

"Power without the plug."

A mechanical gear wheel system providing up to 6× mechanical advantage. Attaches to existing wheelchairs—no electricity, battery, or charging required.

$200–$250 per unit
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Mechanical Advantage
0
Batteries Needed
$4,850
Competition Awards
65%
Gross Margin

Planetary Gear System

The Mech Chair uses an innovative planetary gear wheel configuration that multiplies your propulsion force without any external power source. This mechanical advantage allows users to travel faster or push with less effort—choose your mode based on terrain and energy level.

The system is durable, maintenance-friendly, and integrates seamlessly with standard wheelchairs. It's designed for long-term reliability in daily use.

Detailed planetary gear system render

No Electricity Required

Pure mechanical advantage — works anywhere, anytime, with zero charging or batteries.

Universal Fit

Attaches to existing wheelchairs. No need to replace your current chair.

Dual-Mode Operation

Toggle between speed mode for open terrain or torque mode for challenging inclines.

Durable Construction

Built to withstand daily use with minimal maintenance and long-term reliability.

Planetary Gear System

Explore the internal gear mechanism that delivers up to 6× mechanical advantage.

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Addressing Global Need

Approximately 15 million people worldwide live with spinal cord injuries. Many, particularly those with C-4 and C-5 level injuries, face a difficult choice: exhaust themselves with standard manual wheelchairs or spend thousands on powered alternatives.

The Mech Chair fills this gap with an affordable, reliable solution that delivers real mechanical advantage without the cost or dependency of powered systems.

Economic Model

Production Cost: ~$175 per unit
Target Price: $200–$250 per unit
Gross Margin: 65%

Year 1 Projection: ~$75,000 revenue at 150 units sold

This model demonstrates strong unit economics with significant scaling potential as awareness and distribution grow.

1st Place
NASA Patent Business Idea
Aldag Pitch Competition
$1,000
4th Place
UA Big Ideas Competition
Awarded
Levitetz Grant

Ready to Experience Mechanical Advantage?

Join thousands who are choosing independence and power without the plug.