Selective lockout hub

Claim 1

IN A CLUTCH FOR EFFECTING A DRIVING CONNECTION BETWEEN A POWER SHAFT AND A WHEEL HUB THE COMBINATION COMPRISING, (A) AN INNER CLUTCH MEMBER ADAPTED TO BE DRIVINGLY ASSOCIATED WITH A POWER SHAFT, (B) A HOUSING HAVING A CLOSED END AND AN OPEN END AND BEING ADAPTED FOR CONNECTION TO THE WHEEL HUB, (C) AN OUTER CLUTCH MEMBER POSITIONED IN SAID HOUSING IN AXIALLY MOVABLE RELATIONSHIP AND DRIVINGLY CONNECTED THERETO, (D) SAID INNER AND OUTER CLUTCH MEMBERS HAVING COOPERATING COUPLING MEANS THEREON ADAPTED FOR DRIVING ENGAGEMENT, (E) SAID OUTER CLUTCH MEMBER BEING AXIALLY MOVABLE INTO AND OUT OF DRIVEN ENGAGEMENT WITH SAID INNER CLUTCH MEMBER, (F) RESILIENT MEANS DISPOSED IN SAID HOUSING AND COMPRESSED BETWEEN SAID OUTER CLUTCH MEMBER AND SAID HOUSING FOR NORMALLY URGING SAID OUTER CLUTCH MEMBER INTO ENGAGEMENT WITH SAID INNER CLUTCH MEMBER, (G) CAM MEANS OPERABLE TO EFFECT AXIAL MOVEMENT OF SAID OUTER CLUTCH MEMBER AND INCLUDING A CIRCUMFERENTIALLY EXTENDING CAM SURFACE ELEMENT AND A CAM FOLLOWER ELEMENT IN COOPERATING ENGAGEMENT THEREWITH, SAID CAM SURFACE ELEMENT HAVING CIRCUMFERENTIALLY DISPLACED ALTERNATELY DISPOSED HIGH SPOTS AND LOW SPOTS, (H) AND CARRYING MEANS MOUNTED IN SAID HOUSING AND BEING ROTATABLE IN EITHER DIRECTION AND DISPOSED RADIALLY INWARDLY OF SAID RESILIENT MEANS, (I) ONE OF SAID CAM ELEMENTS BEING CARRIED BY SAID CARRYING MEANS AND THE OTHER OF SAID CAM ELEMENTS BEING CARRIED BY SAID OUTER CLUTCH MEMBER WHEREBY UPON ROTATION OF SAID CARRYING MEANS IN EITHER DIRECTION SAID CAM FOLLOWER ELEMENT WILL ENGAGE ALTERNATELY THE HIGH AND LOW SPOTS OF SAID CAM SURFACE ELEMENT EFFECTING AXIAL MOVEMENT OF SAID OUTER CLUTCH MEMBER AGAINST THE BIAS OF SAID SPRING MEANS.