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:
Jan. 20, 2009

Filed:

Feb. 20, 2004
Applicant:

Stephan Copeland, Marion Station, PA (US);

Inventor:

Stephan Copeland, Marion Station, PA (US);

Assignee:

Knoll, Inc., East Greenville, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04G 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mechanical support arm for holding lamps, flat screen monitors or other equipment which comprises a base member and two links joined by pivoting joints and held in position by friction in the joints. The amount of friction required to hold the equipment in position is reduced by the use of spring-assisted counterbalances that compensate for the majority of the weight. The novel aspects of the invention include the design of the pivots, which are linked rings able to rotate about axles disposed at the pivot points, and the manner in which the springs are attached to the pivot points to reduce the amount of force that need be exerted on the arm to place the object being supported in the desired position.


Find Patent Forward Citations

Copeland, Stephan. (2009). Mechanical arm with spring counterbalance (U.S. Patent No. 7478786). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7478786

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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