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:
Mar. 07, 2017
Filed:
Dec. 17, 2012
Metso Minerals, Inc., Helsinki, FI;
Kari Rikkonen, Tampere, FI;
Jari Jonkka, Kangasala, FI;
Marko Salonen, Tampere, FI;
Risto Sutti, Tampere, FI;
Kari Kuvaja, Tampere, FI;
Petri Kujansuu, Tampere, FI;
Metso Minerals, Inc., Helsinki, FI;
Abstract
A mineral material crusher and method of operating a mineral material crusher that includes: a body, a rotating crusher element, a drive shaft arrangement that supports the rotating crusher element to the body and to rotate the rotating crusher element, and a motor including a rotor for driving the drive shaft arrangement. The motor is formed inside the rotating crusher element and the drive shaft arrangement is configured to form of the rotor a rotating axle that is rigidly coupled with the rotating crusher element and capable of leading torque from the rotor to the rotating crusher element for rotating the crusher element around the drive shaft.