The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 1978
Filed:
Apr. 15, 1977
Applicant:
Inventors:
Pierre-Claude Layotte, Les Mathes, FR;
Jacques Cholet, L'Etang-la-Ville, FR;
Assignee:
Institut Francais de Petrole, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74 61 ; 340 / ; 181121 ; 92 24 ;
Abstract
A device for generating shear waves in the earth for seismic prospectives, comprising a target member coupled with the earth, a vehicle carrying a mass and means for driving and guiding the mass along a direction perpendicular to the striking surface of the target member and parallel to the earth surface, said means comprising a toothed wheel in mesh with a driving chain and a counterweight for balancing the mass. According to a particular embodiment, the target member is so designed that at least a part of the vehicle weight can be applied thereon.