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 Robotics / 24250
    Re: A LEGO double-throw switch? —Kevin L. Clague
   (...) Hi Brian, How will the package arriving at the other end "throw a switch?". Is there enough friction between the package and the belt? Will there be a mechanism in the belt itself to "go halfway and stop"? If you only used one polarity switch, (...) (19 years ago, 22-Aug-05, to lugnet.robotics)
   
        Re: A LEGO double-throw switch? —Steve Lane
     (...) No, I think you should use one polarity switch, without handle to greatly reduce the friction needed to throw it. Putting the crate on the conveyor throws the switch, and when the crate gets to the other end it could push a lever, or better (...) (19 years ago, 22-Aug-05, to lugnet.robotics)
    
         Re: A LEGO double-throw switch? —Ross Crawford
     (...) I agree the simplest solution is to use a single switch with one linkage operated by the forklift to switch it on, and another linkage operated by the falling crate, that switches it back off, ready for the forklift. ROSCO (19 years ago, 22-Aug-05, to lugnet.robotics)
   
        Re: A LEGO double-throw switch? —Brian Davis
   (...) Ideally I'd like the package/crate itself to throw the switch, probably via pushing on an axle or liftarm extending from beneath. If friction is too low, I can always use a longer lever arm. Another alternative is to have the crate at the end (...) (19 years ago, 23-Aug-05, to lugnet.robotics)
 

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