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:
Apr. 01, 2014
Filed:
Nov. 04, 2008
Applicants:
Kurt Schneider, Jens, CH;
Dominique Steffen, Langendorf, CH;
Inventors:
Kurt Schneider, Jens, CH;
Dominique Steffen, Langendorf, CH;
Assignee:
Step-Tec AG, Luterbach, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C 1/00 (2006.01); B23B 47/00 (2006.01); B23Q 5/04 (2006.01); B23Q 11/12 (2006.01); H02K 9/19 (2006.01); H02K 9/193 (2006.01);
U.S. Cl.
CPC ...
Abstract
A shaft cooler () for a tool motor spindle (), which has a rotating shaft (), a static lance (), and at least one coolant loop (), which comprises a coolant inlet () and a coolant outlet (), said shaft cooler being implemented such that the flow of the coolant from the static lance () into the rotating shaft () is performed via a flow path that includes radially-extending cooling holes () to cause the coolant to flow from a radially inside location to a radially outside location.