EP 3553011 A1 20191016 - OVERSPEED DETECTION AND GUIDING DEVICES FOR ELEVATOR SYSTEMS
Title (en)
OVERSPEED DETECTION AND GUIDING DEVICES FOR ELEVATOR SYSTEMS
Title (de)
ÜBERDREHZAHLERFASSUNGS- UND FÜHRUNGSEINRICHTUNGEN FÜR AUFZUGSANLAGEN
Title (fr)
DISPOSITIFS DE DÉTECTION DE SURVITESSE ET DE GUIDAGE POUR SYSTÈMES D'ASCENSEUR
Publication
Application
Priority
EP 18305463 A 20180413
Abstract (en)
Overspeed detection systems for elevators are provided. The overspeed detection systems include a roller guide frame including a mounting base, a first roller supported on the mounting base, the first roller having a first roller wheel configured to engage with and rotate along a guide rail when installed in an elevator system, a first overspeed device arranged within the first roller wheel, the first overspeed device having a detectable element, and a detector defining a detection zone and arranged to detect the detectable element within the detection zone when the first roller wheel rotates at or above a threshold rotational speed.
IPC 8 full level
B66B 5/04 (2006.01)
CPC (source: EP)
B66B 5/044 (2013.01)
Citation (search report)
- [X] US 4662481 A 19870505 - MORRIS KIM E [US], et al
- [X] EP 1908721 A1 20080409 - ORONA S COOP [ES]
- [X] EP 2020397 A1 20090204 - THYSSENKRUPP ELEVATOR MFG SPAI [ES]
- [X] US 5052523 A 19911001 - ERICSON RICHARD J [US]
- [A] US 764038 A 19040705 - CARPENTER MASON P [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 18305463 A 20180413