Rotary broom construction

Claim 1

A ROTARY BROOM FOR USE WITH A SURFACE SWEEPING MACHINE COMPRISING AT LEAST THREE SPACED DRUM MEMBERS INCLUDING TWO OUTER DRUM MEMBERS AND AT LEAST ONE INTERMEDIATE DRUM MEMBER, EACH OF SAID DRUM MEMBERS COMPRISING A DISC PORTION AND AN INTEGRAL CYLINDRICAL FLANGE PORTION, HUBS CENTRALLY AFFIXED TO SAID DISCS, SAID HUBS HAVING FASTENER MEANS, A COMMON AXLE EXTENDING THROUGH SAID HUBS OF ALL OF SAID DRUM MEMBERS AND MAINTAINING SAID MEMBERS IN AXIAL ALIGNMENT, SAID AXLE HAVING MEANS NEAR EACH END FOR RECEIVING SAID FASTENER MEANS OF SAID HUBS OF THE OUTER DRUM MEMBERS FOR HOLDING SAID OUTER MEMBERS IN FIXED POSITIONS, SAID FASTENER-RECEIVING MEANS BEING PERIPHERALLY DISPLACED WITH RESPECT TO ONE ANOTHER, THE INTERMEDIATE HUB OF THE INTERMEDIATE DRUM MEMBER CAPABLE OF BEING AFFIXED TO SAID AXLE IN ANY PERIPHERAL POSITION, A PLURALITY OF ELONGATE TROUGH MEMBERS HAVING SIDE WALLS FORMING TROUGHS EXTENDING LONGITUDINALLY THEREOF, ROWS OF BRISTLES HELD BY SAID TROUGHS AND EXTENDING CONTINUOUSLY THEREALONG, A CLIP FOR AFFIXING EACH OF SAID TROUGH MEMBERS TO EACH OF SAID CYLINDRICAL FLANGES OF EACH OF SAID DRUM MEMBERS, AND FASTENERS EXTENDING CENTRALLY THROUGH SAID CLIPS TO PIVOTALLY CONNECT SAID CLIPS TO SAID FLANGES SO THAT SAID CLIPS AND SAID TROUGH MEMBERS CAN BE PLACED IN POSITIONS OTHER THAN PERPENDICULAR TO THE PLANES OF SAID DISCS.