Propeller impact protector and model flying airplane incorporating same
US7331838B2 · kind B2 · utility
15Cited by
23References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 2004 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Aug 11, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H27/001
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An airplane flying toy includes a longitudinal frame bearing a wing and a stabilizer, a propeller rotatably disposed at an end of the frame, a force generating device attached to the longitudinal frame and adapted to impart a rotary motion to the propeller by a rotatable shaft, and a propeller protector extending at least partially around and longitudinally beyond the propeller, the propeller connector being connected by struts to the longitudinal frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.