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:
May. 26, 2020
Filed:
Dec. 14, 2015
Applicant:
Inventio Ag, Hergiswil, CH;
Inventor:
Valerio Villa, Colverde, IT;
Assignee:
INVENTIO AG, Hergiswil NW, CH;
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01); B66B 7/04 (2006.01); B66B 11/02 (2006.01);
U.S. Cl.
CPC ...
B66B 7/042 (2013.01); B66B 7/044 (2013.01); B66B 11/028 (2013.01);
Abstract
A roller guide for an elevator car includes at least one roller rotatably mounted on an axis. The roller guide further includes a support element for supporting the axis, and at least one braking element for the roller for damping vertical oscillations of the elevator car. The brake element is a magneto-rheological fluid.