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:
Mar. 31, 1981
Filed:
Jul. 31, 1978
Frederick G Horning, Salem, OH (US);
John M Pozniko, Salem, OH (US);
Karl H Welch, Salineville, OH (US);
The Salem Tool Company, Salem, OH (US);
Abstract
Disclosed is apparatus for drilling or boring a hole in the earth, as for forming blast holes. The apparatus disclosed is of the self-propelled mobile type having at one end a driver cab and at the other end drilling apparatus including a drill storage and handling rack adapted to store drill rods and as required to bring them into alignment with the drilling axis to form a drill string and to remove the drill rods from the drill string. The apparatus also supplies air to and through the drill string to blow out debris from the drilled hole. The apparatus includes a unique and efficient type of mechanism for rotating the drill rack to bring drill rods to or remove them from the drill string. Also disclosed is a unique type of drill rod particularly adaptable for use in the apparatus.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile