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Old January 20, 2011, 09:53 PM   #12
Bill Akins
Senior Member
 
Join Date: August 28, 2007
Location: Hudson, Florida
Posts: 1,135
I just wonder if anyone has ever tried this idea.

Modify a bolt head so that it has a teeny free rolling, ball bearing, peen captured in the top of the bolt head so that it not only won't fall out, but can only rise to the normal height of a normal bolt head. The bolt head is made so that the very tip edge of the top of the ball bearing is the top of the bolt head. The ball bearing could be spring loaded or not. It would be easier to make the hole for the bearing if it was lightly spring loaded though. And the sides of the bolt are still the same so it doesn't affect engagement with the side of the cylinder slots.

Now instead of the bolt head dragging across the lead in grooves or ringing your cylinder, the ball bearing just rolls into the lead in grooves and or rolls across the cylinder minimizing scoring and ringing. (The difference between dragging a stone block to the pyramid or rolling it on bearings.) The sides of the bolt would remain unchanged so that lockup remained the same.

I wonder why no one makes bolts like that?

.

Last edited by Bill Akins; January 20, 2011 at 10:10 PM.
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