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US 2016/0250644 A1Published application
Gyratory crusher spider arm shields
AssigneeSandvik Intellectual Property AB
InventorsJoel ANDERSSON, Henrik STEEDE, Jan JOHANSSON
Life of this patent
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Abstract
A gyratory crusher includes a spider supported at a top shell, the spider having a pair of spider arms protected by respective arm shields. The shields are mounted and dismounted at the respective arms via a locking flange and notch and lug arrangement to avoid attachment by welding or attachment bolts.
Claims14
A gyratory crusher comprising:
- an upper shell;
- a spider supported at the shell, the spider having a plurality of spider arms extending radially outward from a hub;
- a plurality of arm shields mounted at the respective arms, each shield having a first end for positioning at or towards the hub and a second end positioned radially outward from the hub;
- and
- at least one lug projecting from each arm and a locking flange secured to the hub, each of the shields including at least one notch to engage each respective lug to inhibit radially outward movement of the shield relative to the arm , wherein at least a portion of the flange is seated on top of the first end of the shield that in combination with the lug and notch locks each of the shields axially and radially at each of the respective arms.
2 more elements
Dependencies are inferred from the claim text.