Metso Minerals (tampere) Oy

Lokomo Oy

Harri Lehtonen

Janne Keskinen

Jorma Kempas

A method for mounting a jaw die plate ( ) of a jaw crusher detachably against a front end wall ( ) of the crusher by means of a fastening device ( ) operated from outside a side wall ( ) of the crusher. The die plate ( ) is secured in its place by means of friction between the fastening device ( ) and a counter surface ( ) of the front end wall ( ) and friction between the fastening device ( ) and a counter surface ( ) of the die plate. The fastening device of the jaw crusher includes a wedge piece ( ) having a first pressing surface to be fitted against the counter surface ( ) of the die plate ( ) secured against the front end ( ) of the crusher, and, in addition to that, a second pressing surface to be fitted against the counter surface ( ) of the front end wall. The wedge piece ( ) is movable towards both counter surfaces ( ) and away from the same by means of the tightening means ( ).

Method for securing a die plate of a jaw crusher, and a jaw crusher

The invention relates to a conveyor system, which has several conveyors (3/4) joined to together into a chain. There is an articulation (9) at the joining point of the conveyors, which allows the conveyors to turn relative to each other. The chain may be formed and disassembled rapidly. The system is applicable to be used e.g. at mines.

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Tampere, Finland

Harri Lehtonen