Remote control ball
US4438588A · kind A · utility
40Cited by
12References
6Claims
0Family size
Inventor
Key dates
| Filing date | Sep 29, 1982 |
| Grant date | Mar 27, 1984 |
| Priority date | — |
| Expiry date | Sep 29, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H33/005
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved system of the type having a ball or sphere and within it a remote-control powered vehicle, has provisions for determining vehicle orientation for more efficient control including one or more of: transparent ball portions, color ball portions and forward-illuminating spotlight; ability to store the vehicle with the ball inflated is provided by a mercury switch which turns off power when the vehicle is inverted; angle strips improve traction externally and a soft, semi-inflated ball is used for better internal traction between vehicle and ball wall; charging of vehicle batteries through the ball wall is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.