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:
Jan. 13, 1987
Filed:
Sep. 02, 1983
Andras Tarcsafalvi, Budapest, HU;
Magyar Optikai Muvek, Budapest, HU;
Abstract
A vertical shaft system for gyroscopic theodolites with two degrees of freedom for ensuring the vertical alignment of the azimuth determining pendulum system in the apparatus, wherein perforated stones are arranged in two axial points on the housing and on the azimuth determining pendulum system of the apparatus, and wires clamped on both ends are threaded through the perforated stones and tensioned by tensioning elements, furthermore perforated guiding stones are formed for alignment of the tensioned wires, and surfaces of rotation are formed in the vicinity of the axial points between the housing and azimuth determining pendulum system with an air gap about the wires.