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:
Dec. 18, 1979
Filed:
Oct. 12, 1978
Applicant:
Inventor:
Carl H Little, St. Louis, MO (US);
Assignee:
Weber-Knapp Company, Jamestown, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ;
U.S. Cl.
CPC ...
16 52 ; 16 56 ; 16DI / ; 16DI / ; 16DI / ; 217 / ; 292338 ;
Abstract
A mechanism for use in counterbalancing the weight of a lid or closure incident to movements thereof between closed and open portions is in the form of a spring pressurized, hydraulic piston-cylinder arrangement. The mechanism preferably includes means providing hydraulic damping characteristics for both the fully extended and contracted conditions of the mechanism.