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:
Feb. 04, 2025
Filed:
Feb. 25, 2021
Metso Outotec Finland Oy, Tampere, FI;
Juhamatti Heikkilä, Tampere, FI;
Marko Lamminmäki, Tampere, FI;
Metso Finland Oy, Espoo, FI;
Abstract
A restraint apparatus, a horizontal shaft crusher including the restraint apparatus and a method for controlling access to a crushing chamber of the horizontal shaft crusher. The first restraint has an operation mode and a service mode for respectively blocking and allowing opening of a service hatch for accessing the crushing chamber. A second restraint has an operation mode and a service mode for respectively not controlling the horizontal shaft and controlling the horizontal shaft. The first and second restraints are mutually exclusively usable in the operation mode so that the crushing chamber is not accessible through the service hatch unless the second restraint is controlling the horizontal shaft.