Metso Finland Oy

Metso Outotec Finland Oy

Marko Lamminmäki

Juhamatti Heikkilä

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.

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Tampere, Finland

Marko Lamminmäki