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. 18, 1988
Filed:
Dec. 15, 1986
Applicant:
Inventors:
Klaus Linde, 4670 Lunen, DE;
Josef Klusener, 4709 Bergkamen-Oberaden, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21D / ;
U.S. Cl.
CPC ...
299 33 ; 405138 ;
Abstract
Tunnel driving apparatus includes a full-face cutting machine 2 mounted, preferably vertically and laterally pivotably, in a drive shield 1. The cutting machine is displaceable, by means of feed rams 16, towards a working face. The cylinders 19 of the feed rams are secured to the machine body 3 of the full-face cutting machine, and act as guide shoes for slidably supporting the cutting machine on guide rails 6 fixed to the drive shield.
Linde, Klaus. (1988). Tunnel driving apparatus (U.S. Patent No. 4778220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4778220
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile