US2001020400A1PendingUtilityA1

Ballscrew

Priority: Mar 3, 2000Filed: Mar 2, 2001Published: Sep 13, 2001

Est. expiryMar 3, 2020(expired)· nominal 20-yr term from priority

Inventors:Dennis Walton

Y10T74/19702Y10T74/19763F16H 25/2228Y10T74/19772F16H 25/2214

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Claims

Abstract

A ballscrew having a ball re-circulation path within the screwshaft of the ballscrew.

Claims

exact text as granted — not AI-modified

I claim:  
     
         1 . A ballscrew having a ball re-circulation path within the screwshaft of the ballscrew.  
     
     
         2 . A ballscrew according to    claim 1   , wherein at least a part of the ball re-circulation path is provided by an insert inserted into the screwshaft.  
     
     
         3 . A ballscrew according to    claim 2   , wherein the said insert is concentric with the screwshaft.  
     
     
         4 . A ballscrew according to    claim 1    having deflectors to direct the balls of the ballscrew into the re-circulation path, which are in the form of generally circular or part-circular elongate members which engage the screwshaft.  
     
     
         5 . A ballscrew according to    claim 4   , wherein the deflectors take the general form of circlips.

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