# How Joseph-Armand Bombardier Designed the Modern Snowmobile

> A 1962 patent by Joseph-Armand Bombardier describing a lightweight, engine-driven vehicle using an endless track system for travel over snow.

- **Patent:** US 3023824
- **Original title:** Endless track vehicle
- **Owner:** Individual
- **Granted:** 1962
- **Status:** Public domain (expired)
- **Times cited:** 30
- **Field:** automotive, mechanical

## What it does

The patent details a vehicle frame supported by a flexible, endless track that distributes weight to prevent sinking into deep snow. It utilizes a front-mounted engine connected to a drive sprocket that engages the track, allowing the vehicle to propel itself across uneven, soft surfaces. The design focuses on the balance between the center of gravity and the track contact area to ensure maneuverability in winter conditions.

## What it does NOT cover

- Does not cover vehicles using wheels instead of continuous tracks for propulsion.
- Does not cover electric-powered drivetrains, as the patent specifies internal combustion engine configurations.
- Does not cover autonomous or remote-controlled navigation systems.
- Does not cover the specific steering mechanism of modern dual-ski snowmobiles.

## The clever bit

The innovation lies in the specific geometry of the track tensioning and the weight distribution, which allowed a motorized vehicle to stay on top of soft snow rather than digging into it.

## Real-world examples

1. Ski-Doo snowmobiles
2. Early motorized sleds used in rural Quebec
3. Utility vehicles for winter search and rescue

## Why it matters

This patent represents the foundational engineering for the modern snowmobile industry. It transformed winter transportation from a niche utility into a viable recreational and professional vehicle category.

## Frequently asked questions

### What does How Joseph-Armand Bombardier Designed the Modern Snowmobile cover?

A 1962 patent by Joseph-Armand Bombardier describing a lightweight, engine-driven vehicle using an endless track system for travel over snow.

### Who owns patent US 3023824?

Individual owns this patent, granted in 1962.

### When does this patent expire?

This patent has expired and is now in the public domain — anyone can use the invention freely.

### What is patent US 3023824 cited by?

This patent has been cited by 30 later patents that build on its ideas.

### What problem does this patent solve?

This patent represents the foundational engineering for the modern snowmobile industry. It transformed winter transportation from a niche utility into a viable recreational and professional vehicle category.

### What does this patent NOT cover?

Does not cover vehicles using wheels instead of continuous tracks for propulsion.

**Full plain-English explainer:** https://patentbrief.org/patent/us/3023824/snowmobile-bombardier

**Original patent:** https://patents.google.com/patent/US3023824

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_Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._


## Related patents

Semantically similar inventions in the PatentBrief corpus:

- [How the Snurfer Invented Modern Snowboarding](https://patentbrief.org/patent/us/3378274/snowboard-snurfer-poppen) — A 1966 patent for a single-board snow vehicle that allowed riders to stand sideways and steer using a rope, effectively creating the sport of snowboarding.
- [Early Car Wheel Traction Device](https://patentbrief.org/patent/us/1141798/zipper-slide-fastener) — A 1915 patent for a metal device clamped to a car wheel to improve traction on slippery surfaces.
- [Early Roller Coaster Design for Thrill Rides](https://patentbrief.org/patent/us/310966/roller-coaster-thompson) — This 1885 patent describes an early roller coaster structure designed to provide thrilling rides by using gravity and a specific track layout.
- [George Selden's 1895 Patent for a Road Engine](https://patentbrief.org/patent/us/549160/selden-automobile-patent) — George Selden's 1895 patent describes a 'road engine,' a precursor to the automobile, focusing on a combined engine and vehicle design.
- [How Ole Evinrude Invented the Modern Portable Outboard Motor](https://patentbrief.org/patent/us/1001260/outboard-motor-evinrude) — A 1911 patent for a compact, detachable marine engine that allowed small boats to be powered by a portable, gasoline-driven propeller unit.