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:
Sep. 28, 1993
Filed:
Jun. 10, 1991
Applicant:
Inventors:
Howard H Fraser, Jr, Lafayette, NY (US);
David C Baumann, Lafayette, NY (US);
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29888022 ; 29428 ; 418 551 ;
Abstract
A drive shaft having a main bearing portion, formed by metal forging, casting or powdered metallurgy, and having coupled thereto a rotor stub portion comprising a steel tube fixedly secured to the main bearing portion, such as by press fitting, friction or laser welding. The rotor stub portion of the drive shaft contains an insert formed with suitable oil hole passages to deliver oil through the rotor stub portion to any desired location along this portion of the drive shaft.