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.:
Date of Patent:
Oct. 12, 2021
Filed:
Jun. 26, 2020
Applicant:
Weber Knapp Company, Jamestown, NY (US);
Inventor:
Daniel M. Graham, Ashville, NY (US);
Assignee:
Weber Knapp Company, Jamestown, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E05F 1/08 (2006.01); E05F 1/12 (2006.01); E05D 11/06 (2006.01); E05D 3/02 (2006.01); E05D 3/12 (2006.01); E05D 11/00 (2006.01); E05F 1/10 (2006.01);
U.S. Cl.
CPC ...
E05F 1/1261 (2013.01); E05D 3/02 (2013.01); E05D 3/12 (2013.01); E05D 11/0054 (2013.01); E05D 11/06 (2013.01); E05F 1/1058 (2013.01); E05Y 2900/602 (2013.01);
Abstract
A counterbalance assembly, including a housing, a pivot nose pivotably connected to the housing, and a spring pack disposed within a volume formed by the housing, the spring pack including a first end engaged with the housing, a second end engaged with the pivot nose, an energy storage device arranged between the first end and the second end, and a spring retainer operatively arranged to adjust a force of the energy storage device on the pivot nose.