Synchronization installation for change-speed transmissions

Claim 1

A SYNCHRONIZATION INSTALLATION FOR GEAR WHEEL CHANGESPEED TRANSMISSION, ESPECIALLY FOR MOTOR VEHICLES, SAID INSTALLATION BEING SUBJECT TO ROTATION DURING SYNCHRONIZATION, COMPRISING: A FRICTION RING HAVING PERIPHERALLY SPACED ENDS DEFINING A SLOT APERTURE, SUPPORTING MEANS FOR INCREASING THE SERVO EFFECT OF SAID FRICTION FING DURING SYNCHRONIZATION, SAID SUPPORTING MEANS HAVING ENDS AND BEING DISPOSED WITHIN SAID FRICTION RING, SAID SUPPORTING MEANS EXTENDING OVER A SUBSTANTIAL PORTION OF, BUT LESS THAN THE ARCUATE EXTEND OF SAID FRICTION RING, THE ENDS OF SAID SUPPORTING MEANS DEFINING THE ENDS OF AN ARCUATE SPACE THEREBETWEN IN A ZONE ADJACENT SAID SLOT APERTURE AND RADIALLY INWARDLY THEREOF, HUB MEANS SUPPORTING SAID SYNCHRONIZATION INSTALLATION, A SUBSTANTIALLY CYLINDRICAL AXIAL EXTENSION OF SAID HUB MEANS DISPOSED RADIALLY INWARDLY OF SAID SUPPORTING MEANS, AND ABUTMENT MEANS INCLUDING ABUTMENT SURFACE MEANS ON SAID HUB MEANS FOR ESTABLISHING A FORCE-LOCKING CONNECTION OF SAID ENDS OF SAID SUPPORTING MEANS, IN A POSITION THEREOF OPERATIVE TO INCREASE THE SAID SERVO EFFECT OF SAID FRICTION RING, ON THE ONE HAND WITH THE END OF SAID FRICTION RING POINTING IN THE DIRECTION OF SAID ROTATION AND, ON THE OTHER, WITH AN ABUTMENT SURFACE INCLUDED IN SAID ABUTMENT SURFACE MEANS AND FACING IN THE OPPOSITE DIRECTION, SAID ABUTMENT MEANS INCLUDING: A CONNECTING MEMBER SEPARATE FROM SAID SUPPORTING MEANS AND ARRANGED IN SAID ARCUATE SPACE, SAID CONNECTING MEMBER BEING ADAPTED TO ABUT SAID END OF SAID FRICTION RING POINTING IN THE DIRECTION OF SAID ROTATION AND ONE OF SAID ENDS OF SAID SUPPORTING MEANS, SAID ONE OF SAID ENDS POINTING IN SAID OPPOSITE DIRECTION, SAID CONNECTING MEMBER BEING OF APPROXIMATELY TSHAPED CONSTRUCTION AND HAVING A WEB PORTION AND LEG PORTIONS, SAID WEB PORTION EXTENDING INTO SAID SLOT APERTURE OF SAID FRICTION RING, AND SAID LEG PORTIONS EXTENDING AWAY FROM SAID WEB PORTION IN POSITIONS INTERMEDIATE SAID FRICTION RING AND SAID AXIAL EXTENSION OF SAID HUB MEANS, SAID ABUTMENT SURFACE MEANS ON SAID HUB MEANS BEING ARRANGED IN SAID ZONE ADJACENT SAID SLOT APERTURE, THE OTHER END OF SAID SUPPORTING MEANS DURING SYNCHRONIZATION ABUTTING SAID ABUTMENT SURFACE MEANS SAID ABUTMENT SURFACE MEANS SAID CONNECTING MEMBER BEING DISPOSED AXIALLY ADJACENT ONE ANOTHER AND IN CONFRONTATION WITH THE INNER PERIPHERIES OF SAID ENDS OF SAID FRICTION RING.