EP 3033534 A1 20160622 - TOOLS AND RATCHET LOCKING MECHANISMS FOR THREADED FASTENERS
Title (en)
TOOLS AND RATCHET LOCKING MECHANISMS FOR THREADED FASTENERS
Title (de)
WERKZEUGE UND RIEGELARRETIERMECHANISMEN FÜR BEFESTIGUNGSELEMENTE MIT GEWINDE
Title (fr)
OUTILS ET MÉCANISMES DE BLOCAGE À ROCHET POUR ÉLÉMENTS DE FIXATION FILETÉS
Publication
Application
Priority
- US 201361866332 P 20130815
- US 201361891002 P 20131015
- US 2014051006 W 20140814
Abstract (en)
[origin: WO2015023815A1] A fastening device having a fastener with a head portion and an elongated threaded body portion extending axially from the head portion. The fastening device also includes a lock washer and a threaded lock nut for rotatably mating with the fastener. The lock washer has a lower surface with a plurality of ratchet teeth extending therefrom. The lock washer is configured to couple to the fastener for axial movement but is fixed rotationally. The threaded lock nut has an upper surface defining at least one pawl arm. The pawl arm includes at least one pawl tooth for engagement with at least one of the plurality of ratchet teeth, and a flange extending radially outward from the pawl arm.
IPC 8 full level
A61B 17/70 (2006.01); A61B 17/86 (2006.01); A61B 17/88 (2006.01); B25B 13/02 (2006.01); B25B 13/48 (2006.01); B25B 23/02 (2006.01); F16B 39/12 (2006.01); F16B 39/24 (2006.01)
CPC (source: EP)
A61B 17/8665 (2013.01); A61B 17/8695 (2013.01); A61B 17/8883 (2013.01); B25B 13/02 (2013.01); B25B 13/48 (2013.01); F16B 39/24 (2013.01); A61B 17/7037 (2013.01); A61B 2017/867 (2013.01)
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)
WO 2015023815 A1 20150219; CA 2921383 A1 20150219; EP 3033534 A1 20160622; EP 3033534 A4 20170614
DOCDB simple family (application)
US 2014051006 W 20140814; CA 2921383 A 20140814; EP 14836937 A 20140814