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Excavator demolition attachment with interchangeable jaw assemblies

  • US 7,284,718 B2
  • Filed: 06/29/2005
  • Issued: 10/23/2007
  • Est. Priority Date: 06/29/2005
  • Status: Active Grant
First Claim
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1. A heavy-duty demolition apparatus for attachment to the boom structure of an excavator, the apparatus having interchangeable jaw assemblies, the apparatus comprising:

  • (a) a unitary jaw assembly, comprising a pair of pivoting jaws connected by a main pivot pin;

    (b) a first adaptor on the boom structure;

    (c) a second adaptor on the jaw assembly, the second adaptor engaging the first adaptor, whereby the jaw assembly can be easily removed as a unit from the boom structure and another jaw assembly installed thereon; and

    (d) a lock pin fixed to the first adapter and engaging the second adapter to maintain the jaw assembly in locked relationship to the boom structure.

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