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

Reply via email to