Overrunning clutches including differential drive devices

Claim 2

AN OVERRUNNING CLUTCH COMPRISING A PAIR OF CLUTCH MEMBERS OPERATIVELY SPACED APART IN UNYIELDING RELATION, A CIRCULAR SERIES OF SPRAGS INTERPOSED BETWEEN THE CLUTCH MEMBERS, EACH SPRAG HAVING OPPOSITE ENGAGING SURFACES SPACED AN EFFECTIVE DISTANCE APART FOR WEDGING ACTION AGAINST EACH OF THE PAIR OF CLUTCH MEMBERS, A CAGE MEMBER HAVING A CIRCULAR SERIES OF APERTURES WITH A PORTION OF EACH SPRAG MOUNTED THEREIN, A CIRCULAR SERIES OF CAM MEMCESSES FORMED IN A CLUTCH MEMBER IN AN ARRANGEMENT OF EACH CAM RECESS TO ACT UPON AN OPPOSITE PORTION OF THE SPRAG TO THAT PORTION MOUNTED IN THE CAGE MEMBER, RESILIENT MEANS FOR ABUTTING THE CAGE MEMBER AGAINST A CLUTCH MEMBER TO PROVIDE A DIFFERENTIAL OF ROTATIVE MOVEMENT BETWEEN THE CAGE MEMBER AND THE CLUTCH MEMBER WITH THE CAM RECESSES IN ARRANGEMENT FOR INITIATING OSCILLATION OF THE SPRAGS, INTO A WEDGING ACTION OF CLUTCH ENGAGEMENT OR, FOR A REVERSE ACTION PROVIDING CLUTCH RELEASE.

Claim 3

A DIFFERENTIAL DRIVE MECHANISM COMPRISING A PAIR OF INTERACTING OVERRUNNING CLUTCHES INTERPOSED BETWEEN A DRIVE MEMBER AND A PAIR OF DRIVEN SHAFTS, A PAIR OF ENGAGING MEMBERS FOR EACH OF SAID CLUTCHES WITH ONE ENGAGING MEMBER OF EACH PAIR IN DRIVING CONNECTION WITH SAID DRIVE MEMBER AND THE OTHER ENGAGING MEMBER OF EACH PAIR IN DRIVING CONNECTION OF EACH TO A SEPARATE DRIVEN SHAFT, TWO CIRCULAR SERIES OF SPRAGS WITH EACH SERIES THEREOF INTERPOSED BETWEEN THE ENGAGING MEMBERS OF EACH PAIR, A PAIR OF CAGE MEMBERS EACH HAVING A SEPARATE SERIES OF SAID SPRAGS MOUNTED THEREIN, RESILIENT MEANS EXERTED ON THE CAGE MEMBERS IN AN ENDWISE DIRECTION THEREOF FOR ABUTTING EACH CAGE MEMBER AGAINST AN ADJACENT ENGAGING MEMBER OF EACH PAIR FOR RESPONSIVE ROTATIVE MOVEMENT THEREWITH, ADDITIONAL RESILIENT MEANS OPERATIVE IN A ROTATIVE DIRECTION COACTINGLY BETWEEN THE PAIR OF CAGE MEMBERS IN AN ARRANGEMENT OF MODERATELY URGING THE CAGE MEMBERS TO ROTATE IN UNISON IN A MANNER TO PERMIT SPRAG RELEASE IN EITHER ONE OF SAID CLUTCHES BY EXERTION OF AN OVERRUN OR AN UNDERRUN OF ITS CAGE MEMBER TO AN EXTENT OF DIMINISHED SPRAG WEDGING PRESSURE TO A RELEASE FACTOR CORRESPONDING TO THE URGING PRESSURE OF SAID RESILIENT MEANS WHILE THE SPRAGS OF THE OTHER CLUTCH ARE ENGAGED.

Claim 4

A DIFFERENTIAL DRIVE MECHANISM COMPRISING A PAIR OF INTERACTING OVERRUNNING CLUTCHES INTERPOSED BETWEEN A DRIVE MEMBER AND A PAIR OF DRIVEN SHAFTS, A PAIR OF ENGAGING MEMBERS FOR EACH OF SAID CLUTCHES WITH ONE ENGAGING MEMBER OF EACH PAIR IN DRIVING CONNECTION WITH SAID DRIVE MEMBER AND THE OTHER ENGAGING MEMBER OF EACH PAIR IN DRIVING CONNECTION OF EACH TO A SEPARATE DRIVEN SHAFT, TWO CIRCULAR SERIES OF SPRAGS WITH EACH SERIES THEREOF INTERPOSED BETWEEN THE ENGAGING MEMBERS OF EACH PAIR, A PAIR OF CAGE MEMBERS EACH HAVING A SEPARATE SERIES OF SAID SPRAGS MOUNTED THEREIN, RESILIENT MEANS EXERTED ON THE CAGE MEMBERS IN AN ENDWISE DIRECTION THEREOF FOR ABUTTING EACH CAGE MEMBER AGAINST AN ADJACENT ENGAGING MEMBER OF EACH PAIR FOR RESPONSIVE ROTATIVE MOVEMENT THEREWITH, ADDITIONAL RESILIENT MEANS OPERATIVE IN A ROTATIVE DIRECTION COACTINGLY BETWEEN THE PAIR OF CAGE MEMBERS IN AN ARRANGEMENT OF MODERATELY URGING THE CAGE MEMBERS TO ROTATE IN UNISON IN A MANNER TO PERMIT SPRAG RELEASE IN EITHER ONE OF SAID CLUTCHES BY EXERTION OF AN OVERRUN OR AN UNDERRUN OF ITS CAGE MEMBER TO AN EXTENT OF DIMINISHED SPRAG WEDGING PRESSURE TO A RELEASE FACTOR CORRESPONDING TO THE URGING PRESSURE OF SAID RESILIENT MEANS WHILE THE SPRAGS OF THE OTHER CLUTCH ARE ENGAGED.