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:
Jul. 16, 2013
Filed:
Oct. 31, 2011
Anke Hackbarth, Braunschweig, DE;
Christoph Budde, Heidelberg, DE;
Günther Mechler, Hassmersheim, DE;
Ryan Chladny, Muskego, WI (US);
Sebastian Breisch, Neckarsteinach, DE;
Sven Soetebier, Ladenburg, DE;
Daniel Staffas, Ludvika, SE;
Anke Hackbarth, Braunschweig, DE;
Christoph Budde, Heidelberg, DE;
Günther Mechler, Hassmersheim, DE;
Ryan Chladny, Muskego, WI (US);
Sebastian Breisch, Neckarsteinach, DE;
Sven Soetebier, Ladenburg, DE;
Daniel Staffas, Ludvika, SE;
ABB Technology AG, Zurich, CH;
Abstract
A mechanical latching unit for a main drive unit includes a rolling mechanical switch within a housing, with a main roller, a counter roller, a carriage and a carriage trip/locking lever, with a first joint created between the main roller and the first end of the carriage, where by the load of the traction link of the main drive unit carried out to the main roller distributes a primary force component carried out to the counter roller and a secondary force component carried out in a direction to a second end of the carriage, where by the mechanical latching unit includes a force reduction mechanism having at least two force reduction stages, a carrier reset spring fastened to the housing which resets the carriage back to a neutral respectively blocking position, and a lever reset spring which resets the carriage trip/locking lever back to a neutral respectively blocking position.