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.

Date of Patent:
May. 09, 2006

Filed:

Jan. 22, 2003
Applicant:

Sigeyuki Sawaguchi, Kanagawa, JP;

Inventor:

Sigeyuki Sawaguchi, Kanagawa, JP;

Assignee:

Sokkia Co., Ltd., Atsugi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 1/00 (2006.01); G01C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A laser centering device () that is attached to a survey apparatus by replacing it with a centering telescope optical system is formed of an inner barrel () that fixes a pentagonal prism () at one end thereof and is internally provided with a laser beam source (), an intermediate barrel () that moves the inner barrel in the axial direction and fixes it so as to adjust the position thereof, and an outer barrel () that turns the intermediate barrel around the axis and fixes it so as to adjust the angle thereof, and at the same time, is fixed at the portion () for fixing the centering telescope optical system of the survey apparatus (). The invention provides a laser centering device for which the emission direction of a laser beam is simply adjusted.


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