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:
Sep. 13, 2016

Filed:

Feb. 17, 2012
Applicants:

Eric Hung-ying Yuen, Hong Kong, CN;

Wah Pong Chan, Hong Kong, CN;

Yat Wah Lam, Hong Kong, CN;

Inventors:

Eric Hung-Ying Yuen, Hong Kong, CN;

Wah Pong Chan, Hong Kong, CN;

Yat Wah Lam, Hong Kong, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 9/06 (2006.01); G01C 15/00 (2006.01); G01B 7/30 (2006.01); G01C 9/12 (2006.01);
U.S. Cl.
CPC ...
G01C 9/06 (2013.01); G01B 7/30 (2013.01); G01C 9/12 (2013.01); G01C 15/004 (2013.01); G01C 2009/066 (2013.01);
Abstract

A multifunction laser leveling tool () is provided. The multifunction laser leveling tool () comprises: a housing (); a pendulum () supported by the housing () via a universal joint so that the pendulum () is pivotable with respect to the housing () around a first axis () and a second axis () perpendicular to the first axis (); a locking means () which is able to fixedly lock the pendulum () to the housing () and to release the pendulum () therefrom, wherein when the pendulum () is released, the pendulum () is in a plumb orientation and the first and second axes () lie in a horizontal plane; a first laser beam emitter () attached to the pendulum () for emitting a first laser plane; an angle sensing means () attached to the pendulum () for measuring the orientation of the pendulum (); a display module having two sections () attached to the housing () for displaying the measured orientation of the pendulum ().


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