impact breaker

impact breaker

[′im‚pakt ‚brāk·ər]
(mechanical engineering)
A device that utilizes the energy from falling stones in addition to power from massive impellers for complete breaking up of stone. Also known as double impeller breaker.
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References in periodicals archive ?
Type III, the heavyweight of the trio at 71,900 pounds, is equipped with a hydraulic quick-disconnect coupler, a heavy-duty bucket, a rock bucket, and an impact breaker for use in quarry operations.
Specialist hydraulic attachments were used on the heavy duty excavators involving underwater rock cutting wheels and impact breakers.