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:
Aug. 08, 1989
Filed:
Jul. 07, 1988
Applicant:
Inventor:
William P Newton, Spencerport, NY (US);
Assignee:
Caldwell Manufacturing Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ; E05D / ; B32B / ;
U.S. Cl.
CPC ...
267 74 ; 16197 ; 16DI / ; 118 63 ; 267148 ; 267166 ; 428379 ;
Abstract
A window counterbalance spring (10, 30) enclosed within a spring cover (35) or tube (25) is sound deadened against rattling by having its outer surface (16) coated with a hot melt adhesive (11). Hot melt (11) is preferably sprayed on outer surface (16) of the spring, at it is wound; and for rotationally tensioned springs (10) surrounding twisted rods (20), some hot melt is deposited on the interior (17) of the spring to cushion its vibration against the twisted rod.