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:
Mar. 11, 2014
Filed:
Dec. 18, 2009
Applicant:
Gert Silberhorn, Merlischachen, CH;
Inventor:
Gert Silberhorn, Merlischachen, CH;
Assignee:
Inventio AG, Hergiswil, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 17/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An elevator installation includes at least one elevator car and at least one counterweight, wherein the at least one elevator car is capable of being moved on guide rails in an elevator shaft by a drive with a driving pulley and with a supporting and propulsion apparatus. The at least one counterweight is formed with a hollow body enclosing a filling. In the event of a freefall, the hollow body is destroyed allowing the filling to emerge.