Patent ID: 9724699
Date: 2017-08-08
CPC Classifications: B02C

Claim:
1. A crusher comprising: a rotary drive shaft; a plurality of support shafts mounted in parallel with the rotary drive shaft at positions which are eccentric to the rotary drive shaft and are around the rotary drive shaft in a circumferential direction; and a plurality of crushing hammers swingably mounted to the support shafts, the plurality of crushing hammers being rotated about the rotary drive shaft so as to be erected outward in a radial direction by centrifugal force about the support shafts, respectively, to strike and crush an object to be crushed which is supplied from above the crushing hammers, wherein an erecting angle regulating part is provided to regulate an erecting direction upper limit angle of each of the crushing hammers at a predetermined angle during driving of the rotary drive shaft; and the erecting angle regulation part is formed of a part of each of the crushing hammers on a base end side and an outer circumferential surface of the rotary drive shaft on which the part of the crushing hammer on the base end side abuts.