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US 7,717,365 B2Granted
Degradation insert with overhang
OwnerDavid R. Hallinventor
Life of this patent
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Abstract
In one aspect of the invention, a cone crusher has at least one crushing surface disposed on either a cone and/or an inverted bowl of the crusher. The crushing surface has at least one insert having an impact head with a stem protruding from a base end of the head. The stem has a smaller cross sectional thickness than the head.
Claims18
A hammer mill, comprising:
- a hammer body comprising at least one insert disposed partially within at least one cavity in a distal end of the hammer body;
- the insert comprising an impact head with a stem protruding from a base end of the head;
- the stem comprises a smaller cross sectional thickness than the head;
- the stem comprises a collar at a second end of the stem adapted to be press-fitted within a cavity formed in the hammer body;
- the head comprises a head with a recess formed in its base end and is adapted to interlock with the stem;
- and
- a tensioning mechanism applies a rearward force putting the stem in tension.
4 more elements
Dependencies are inferred from the claim text.