On 5/13/2012 8:21 PM, Jon Elson wrote: > andy pugh wrote: > >> On 13 May 2012 22:43, charles green<xxzzb...@yahoo.com> wrote: >> >> >> >>> has anyone ever heard of a ball worm? >>> >>> >> I have seen one developed by a college urology department, which is >> slightly scary. >> >> > Yes, before rack and pinion steering, cars used Armstrong steering gear, > which was a form of a ball worm, only the worm wheel was only a > sector. There was a shell around the worm that acted as a track to > circulate > the balls around the worm. > > Jon > >
Saginaw Steering Gear (part of GM years ago) was the #1 maker of those types of steering boxes.. GM has spun off so much of their business I have no idea who makes them now.. it was Delphi... now ?? http://www.mlive.com/business/mid-michigan/index.ssf/2009/10/saginaws_delphi_steering_annou.html New name: Nexteer Geez, my kid could have made up a better name. There is a picture on one down the list here. http://www.nexteer.com/technology/steering/hydraulic-steering/ Dave ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users