List, I've got three artist benches from a school where I work that rock like mechanical bulls if the pianist really gets going! One is a Jansen bench with the scissors mechanism, and that company is sending me a set of bushings for replacement which they tell me will make the bench like new. Jansen also told me that the other benches I have can't really be fixed I don't know what brand they are, and I'm having a bit of a tough time coming up with a good way to describe the mechanism. It has the single arm running parallel and underneath the threaded rod. But I notice that the pivot points do not appear to have any means for tightening. They are like an all metal action center! Even after tightening every bolt, screw and allen screw, there doesn't seem to be any improvement. Granted these things get a LOT of use, but the school is not going to like the idea of having to replace them, so can anyone suggest a method for solidifying these benches? Thanks. Gordon Large, RPT Mt. Vernon, ME
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