The closest thing to an anti-backlash gear is the Conical gear (a misnomer).
It can be used to load a gear train. I have used this in a design by Iain
Hendry. http://bobfay.users5.50megs.com/newmill.htm
I have tried using a second motor in the gear train with a slight reverse
current. This pretty bulky.
I think the gear you want is a sandwich of two gears that are spring loaded
so the teeth oppose each other. This would work in a small gear train.
It's not so much the "conical" gear that takes the backlash out of the setup that Bob Fay provided links to, but the ability to use the technic axles as torsion springs and keep the gear teeth in the train loaded at all times. That particular gear (...) (23 years ago, 4-Apr-01, to lugnet.robotics, lugnet.technic)
Tech question for us: Any body know what an Anti-Backlash gear is? If Lego made one, we would all have super precise Robots and mechanisisms! BERG carries them... Anybody know what I'm talking about? (23 years ago, 3-Apr-01, to lugnet.robotics, lugnet.technic)
