Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

> Note that the axle of the planet gear is tied to the axle of the sun gear by a link that freely rotates around the axis of the sun gear and keeps the planet gear engaged with the sun gear but does not contribute to the drive torque. This link appears, at first sight, to be similar to a crank but the drive is not transmitted through it. Thus, it did not contravene the crank patent.

Pretty interesting stuff. Although visually similar it is actually a different principle. And we can readily tell that the arm doesn't contribute to the drive as the sun is rotating faster than the arm would drive it.



Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: