Cleaning model railroad car
US6536355B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 6, 2000 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Oct 6, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H19/15
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning model railroad car which can do various cleaning by itself and which can do cleaning effectively regardless of a travel speed thereof. The cleaning model railroad car 8 comprises: a car body 20; wheels 8b attached to the car body, for riding on rails 3a and 3b; a motor 8a attached to the car body, to which an electrical current is supplied through the wheels on the rails and a motor shaft 8e is provided; a dust collection chamber 21 provided at the car body; a head mounting concave portion 23 provided below the motor, for opening toward a lower surface of the car body below thereof and communicating with the dust collection chamber; and a cleaning head 24 or 25 provided at the motor shaft projected in the head mounting concave portion, which can be installed to and removed from the motor shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.