Two-wheel vehicle having separable frame parts

Claim 1

A TWO-PART WHEELED VEHICLE COMPRISING A FRAME, SAID FRAME BEING FORMED BY LEADING AND TRAILING FRAME HALVES, SAID LEADING FRAME HALF INCLUDING TWO DOWN TUBES, SAID TRAILING FRAME HALF INCLUDING A SEAT TUBE, A BOTTOM BRACKET BEARING HOUSING AT A LOWER END PORTION OF THE DOWN TUBE, RECESS MEANS IN THE BOTTOM BRACKET BEARING HOUSING, MEANS COUPLING SAID FRAME HALVES, SAID COUPLING MEANS INCLUDING A COUPLING MEMBER CARRIED BY THE LEADING FRAME HALF AND IS OF A SEGMENTAL SEMI-CIRCULAR CROSS-SECTION FOR ENGAGEMENT AROUND THE BOTTOM BRACKET BEARING HOUSING, A LOCKING NOSE PROVIDED AT A LOWER PORTION OF THE COUPLING MEMBER, SAID LOCKING NOSE BEING ENGAGED WITH SAID RECESS MEANS, SAID COUPLING MEMBER BEING FORMED BY A SEMI-CIRCULAR WALL, SAID LOCKING NOSE EXTENDING RADIALLY AWAY FROM SAID WALL AND IS BENT INTO AN INTERIOR OF SAID COUPLING MEMBER, A CLAMPING MEMBER ARRANGED ABOVE AND INTEGRAL WITH THE COUPLING MEMBER, AND SAID CLAMPING MEMBER CONNECTS THE TWO DOWN TUBES OF THE FRAME AND OPENS TOWARD THE SEAT TUBE.