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.:

US 7421918 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 09, 2008

Filed:

Sep. 26, 2003
Applicants:

Alex Ezra Cable, Newton, NJ (US);

Jason Matthew Mills, Blairstown, NJ (US);

Inventors:

Alex Ezra Cable, Newton, NJ (US);

Jason Matthew Mills, Blairstown, NJ (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 21/54 (2006.01); F16H 21/44 (2006.01); F16H 25/18 (2006.01); G05G 1/08 (2006.01); G02B 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A differential adjuster that utilizes a tool interface for affecting either a coarse adjustment or a fine adjustment is presented. The differential adjuster includes an intermediate actuator sleeve with a tool interface to accommodate a tool for performing adjustments. The intermediate actuator sleeve includes a first threaded surface operatively engaging a housing to adjust the position of the intermediate actuator sleeve relative to the housing, and a second threaded surface operatively engaging a push rod to adjust the position of the intermediate actuator sleeve relative to the push rod. The first threaded surface contains threads that are a different pitch than the second threaded surface.


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