Compact flexible couplings with improved lock-on features

Details Compact flexible couplings with improved lock-on features Compact flexible couplings with improved lock-on features

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 3/54 (2006.01) F16D 3/52 (2006.01) F16D 3/58 (2006.01) F16D 3/68 (2006.01)

Patent

CA 2301225

A flexible coupling having hubs secured to aligned shafts and connected to one another through a flexible belt (111) surrounding the hubs. The exterior of the flexible belt (111) has axial and circumferential grooves (113, 115) that lie transverse to the opening of the axial groove (113). A cooperating metal retainer band (31) has respective pins (35) formed on its interior surface for insertion into the axial grooves (113) and rotation into the circumferential grooves (115), thereby fixing the retainer ring (35) in position with respect to the flexible belt (111) and coupling. Retention of the retainer band pin (35) within the circumferential groove (115) is insured by displacing the center line of the axial groove (113) from a plane perpendicularly bisecting an underlying projection of the flexible belt (111) and by lengthening the circumferential groove (115).

L'invention porte sur un accouplement flexible comportant des moyeux fixés à deux arbres en ligne et reliés entre eux par une courroie flexible (111) entourant les moyeux. L'extérieur de la courroie flexible (111) présente des rainures axiales et des rainures circonférentielles (113, 115) perpendiculaires aux ouvertures des rainures axiales (113). Une courroie métallique (31) coagissante est munie de picots (35) formés à sa surface intérieure, venant d'insérer dans les rainures axiales (113) et tournant dans les rainures circonférentielles (115), ce qui maintient la bague d'arrêt (35) en place par rapport à la courroie flexible et à l'accouplement. Le maintien du picot de la bague d'arrêt dans la rainure circonférentielle (115) est assuré par le déplacement de la ligne centrale de la rainure axiale (113) d'un plan coupant en deux perpendiculairement la projection sous-jacente de la courroie flexible (111) et l'allongement de la rainure circonférentielle (115).

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