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:
Jul. 21, 1998
Filed:
Dec. 20, 1996
Applicant:
Inventor:
Alfred Geissler, Pfronten, DE;
Assignee:
Deckel Maho GmbH, Pfonten, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
408 56 ; 408 57 ; 409136 ; 409231 ; 409233 ;
Abstract
A spindle unit for machine tools, with a working spindle that is provided to accommodate a tool and is mounted so it can rotate in a housing and is driven by a motor, and with a chucking unit with an operating device and an internal coolant supply to the tool. A short and compact spindle unit is created according to this invention by the fact that the internal coolant supply is integrated into the chucking unit and has a rotary transmission lead-through mounted inside the operating device to convey the coolant from a stationary supply line into the chucking unit.