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:
Jul. 16, 2013

Filed:

Oct. 21, 2011
Applicants:

Keith Dhese, Cambridge, GB;

Alin Ristea, Ely, GB;

Inventors:

Keith Dhese, Cambridge, GB;

Alin Ristea, Ely, GB;

Assignee:

Thorlabs, Inc., Newton, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/18 (2006.01); B23Q 3/00 (2006.01); H01L 21/68 (2006.01); G01B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mechanical device for maintaining parallelism includes first, second, third and fourth bars. The first side surface of the first bar and the first side surface of the second bar are bridged by a first flexure, leaving a gap between the bottom surface of the first bar and the upper surface of the second bar; the second side surface of the second bar and the second side surface of the third bar are bridged by a second flexure, leaving a gap between the bottom surface of the second bar and the upper surface of the third bar; and the first side surface of the third bar and the first side surface of the fourth bar are bridged by a third flexure, leaving a gap between the bottom surface of the third bar and the upper surface of the fourth bar.


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