Title:
【発明の名称】クラッシャ
Document Type and Number:
Japanese Patent JP2001521819
Kind Code:
A
Abstract:
A gyratory crusher comprises a body and an annular outer shell, which is fixedly connected to the body about an essentially vertical center axis. A shaft member is arranged radially inside the outer shell to perform, during crushing, a swinging movement about the center axis. A crushing chamber forms between the outer shell and an annual inner shell arranged on the shaft member. A piston member is displaceable along the center axis and is arranged in a cylinder member belonging to the body. The upper end of the piston member supports, via an intermediate thrust bearing, a lower end of the shaft member. A transport duct for supplying to the thrust bearing a medium promoting the bearing function extends through the piston member and is defined upstream of the piston member by a transfer means. At least a part of the transfer means is displaceable relative to the piston member and at least a part is displaceable relative to the cylinder member.
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Inventors:
Tissell, Urban
Application Number:
JP2000518789A
Publication Date:
November 13, 2001
Filing Date:
October 29, 1998
Export Citation:
Assignee:
Svedala-Albula AB
International Classes:
B02C2/04; (IPC1-7): B02C2/04
Attorney, Agent or Firm:
Takehiko Suzue (4 outside)