Patent ID: 9470808
Filing Date: 2016-10-18
CPC Classification: G01V,H04R

Claim Text:
1. A geophone housing assembly comprising: a hollow cylindrical housing having a first end portion and coaxial inner and outer surfaces near said first end portion that define a nominal housing thickness (t a first straight chamfer formed about the circumference of said first axial end at said outer surface; a circular recessed seat formed at said first end portion along said inner surface of said housing; and a circular end cap having first and second obverse parallel sides near an outer perimeter that define a nominal end cap thickness (t a second straight chamfer formed about said outer perimeter of said end cap so as to align with said first straight chamfer to form a singular straight chamfer profile, wherein: said first and second straight chamfers combine to define a single straight outer surface comprised of both said first and second straight chamfers.