The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 2005
Filed:
Mar. 07, 2003
Applicant:
Dennis Frederick Walton, North Devon, GB;
Inventor:
Dennis Frederick Walton, North Devon, GB;
Assignee:
Thomson Saginaw Ball Screw Company, LLC, Saginaw, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H001/24 ; F16H055/02 ;
U.S. Cl.
CPC ...
Abstract
A ballscrew and ball nut assembly with complimentary threads providing a ball raceway having a ball re-circulation path within the screwshaft of the ballscrew provided on the peripheral surface of a screwshaft insert and including end passages which communicate with the raceway and a non-helical mid-passage connecting said end passages.