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US10563506B2 Mining and excavation bit extraction tool 有权

  • Patent Title: Mining and excavation bit extraction tool
  • Application No.: US15139751
    Application Date: 2016-04-27
  • Publication No.: US10563506B2
    Publication Date: 2020-02-18
  • Inventor: Darel Fisk
  • Applicant: Darel Fisk
  • Main IPC: E21C35/00
  • IPC: E21C35/00 ;  E21C35/18
Mining and excavation bit extraction tool
Abstract:
An extraction tool for removing bullet bits from mining and excavation equipment, including a threaded extraction rod and extractor, a pusher tube.
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