Wear or thrust plates for hydraulic rock splitting apparatus

Details Wear or thrust plates for hydraulic rock splitting apparatus Wear or thrust plates for hydraulic rock splitting apparatus

E - Fixed Constructions

21

C

254/115

E21C 37/04 (2006.01)

Patent

CA 1084898

Wear or Thrust Plates for Hydraulic Rock Splitting Apparatus Abstract of the Disclosure This invention pertains to hydraulically actuated rock splitters which utilize a wedge and feather action. The forward movement of this wedge places a corresponding thrust load on the feathers and their retaining means. Conventionally. the feathers have enlarged portions which are engaged by and are retained by hardened steel thrust or wear plates carried by a shell or housing. As a means of keeping the weight within reasonable limits this housing is usually made of aluminum or an alloy of aluminum. The support for these hardened steel plates, as provided by the housing, is usually insufficient resulting in a cracking or breaking of the hardened steel plates. A lamination of these plates and providing a softer steel backing reduces or eliminates damage to the housing when cracking of the hardened steel plates occurs. -1-

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