Freewheel clutch with tiltable sprags

Claim 1

A FREEWHEEL CLUTCH COMPRISING AN OUTER CLUTCH MEMBER HAVING A CONCAVE CYLINDRICAL CLAMPING SURFACE, AN INNER CLUTCH MEMBER COAXIAL TO AND SPACED FROM SAID OUTER MEMBER AND HAVING A CONVEX CYLINDRICAL CLAMPING SURFACE, A PLURALITY OF TILTABLE SPRAGS INSERTED BETWEEN SAID OUTER AND INNER MEMBERS AND ADJACENT TO EACH OTHER, SPRING MEANS FOR PRESSING ALL OF SAID SPRAGS SIMULTANEOUSLY AGAINST SAID CLAMPING SURFACES OF SAID OUTER AND INNER MEMBERS, SAID SPRAGS BEING SHAPED SO AS TO FORM GAPS INTERMEDIATE EACH PAIR OF ADJACENT SPRAGS AND SAID INNER CLUTCH MEMBER, AND MEANS FOR INJECTING A CURRENT OF PRESSURE OIL FROM ONE END SIDE OF SAID SPRAGS INTO ALL OF SAID INNER GAPS AT LEAST DURING THE RELATIVE MOVEMENT OF SAID CLUTCH MEMBERS IN THE FREE-WHEELING DIRECTION AND IN A DIRECTION DEVIATING FROM THE DIRECTION OF MOVEMENT OF THE SPRAGS RELATIVE TO SAID INNER CLUTCH MEMBER, WHEREBY THE RESISTANCE OF SAID OIL, WHEN THE DRIVEN CLUTCH MEMBER RUNS FASTER THAN THE DRIVING CLUTCH MEMBER, TILTS THE SPRAG AGAINST THE ACTION OF SAID SPRING MEANS OUT OF CONTACT WITH THE INNER CLUTCH MEMBER.