Toy timing device with a slip-stick escapement-like mechanism
US4240525A · kind A · utility
2Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 7, 1979 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | Feb 7, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S185/01
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A toy timing device including an escapement-like mechanism regulating the movement of a movable portion toward a position on a housing toward which it is biased by the alternate slipping and sticking of parts of a rubber band extending over ribs on the movable portion as the rubber band parts move along a continuous surface on the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.