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Bit guidance device and method

  • US 4,416,339 A
  • Filed: 01/21/1982
  • Issued: 11/22/1983
  • Est. Priority Date: 01/21/1982
  • Status: Expired due to Fees
First Claim
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1. A drill bit guidance device comprising:

  • a collar member, a piston means, said piston means having a paddle member, said paddle member pivotably joined to said collar member, said collar member having a fluid conduit, said fluid conduit communicating with said piston means, a gate means, said gate means within said collar member, said gate means oscillatable around said fluid conduit, a fluid supply means, said fluid supply means communicating with said fluid conduit whereby said fluid from said supply means is directed through said fluid conduit to said gate means to allow said piston means to pivot said paddle member.

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