Patent ID: 6047782
Filing Date: 2000-04-11
Classification: E21B

Abstract:
An assembly for extracting discrete soil samples from subsurface soil at a plurality of selected depths, said assembly comprising:an elongated outer tubular housing;a soil sample tube for disposal in said outer tubular housing, said soil sample tube being movable axially in said outer tubular housing and having means thereon for locking said soil sample tube in said outer tubular housing in a fully inserted position in said outer tubular housing, said soil sample tube defining a sample chamber proximate a distal end thereof; anda cone tip assembly comprising a cone tip member and a cone tip rod, said cone tip member being fixed to a distal end of said cone tip rod, said cone tip rod being movable axially in said soil sample tube, said cone tip member having locking means thereon for locking said cone tip member at said distal end of said soil sample tube with a cone portion of said cone tip member extending distally beyond a distal end of said outer tubular housing.