Batten roof system

Claim 1

A BATTEN ROOF SYSTEM COMPRISING AN EXTENDING CONCAVE GUTTER MEMBER, A HOLDDOWN CLIP TO HOLD THE GUTTER MEMBER DOWN UPON A BASE, THE HOLDDOWN CLIP HAVING A TRANSVERSE PORTION IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF THE BASE, THE TRANSVERSE PORTION BEING DISPOSED WITHIN THE GUTTER MEMBER BETWEEN THE TOP AND BOTTOM THEREOF AND EXTENDING ACROSS THE GUTTER MEMBER, THE TRANSVERSE PORTION OF THE HOLDDOWN CLIP HAVING A LONGITUDINAL SLOT EXTENDING INTO SUCH PORTION FROM ONE END THEREOF AND TERMINATING INTERMEDIATE THE ENDS THEREOF AND ALSO EXTENDING LONGITUDINALLY OF THE GUTTER, ROOF SHEETS ON BOTH SIDES OF THE GUTTER MEMBER EACH HAVING AN EDGE EXTENDING OVER THE ADJACENT EDGE OF THE GUTTER MEMBER AND DOWNWARDLY INTO THE GUTTER, A CAP ATOP THE ASSEMBLED GUTTER MEMBER, HOLDDOWN CLIP AND ROOF SHEET EDGES AND HAVING PORTIONS EXTENDING DOWNWARDLY ON BOTH SIDES THEREOF, A BOLT EXTENDING DOWNWARDLY THROUGH THE TOP OF THE CAP WITH THE BOLT HEAD ATOP THE CAP AND A NUT APPLIED TO THE BOLT BELOW THE CAP, THE NUT HAVING A DIMENSION GREATER THAN THE WIDTH OF THE LONGITUDINAL SLOT IN THE TRANSVERSE PORTION OF THE HOLDDOWN CLIP SO THAT THE NUT MAY SPAN THE SLOT UPON THE LOWER SIDE OF THE TRANSVERSE PORTION AND OVERLAP THE TRANSVERSE PORTION OF THE HOLDDOWN CLIP ON BOTH SIDES OF THE SLOT, THE BOLT ENTERING THE SLOT UPON APPLICATION OF THE CAP BY A LONGITUDINAL MOVEMENT WITH THE NUT BELOW THE SLOT WHEREAFTER UPON TURNING OF THE BOLT THE NUT IS TIGHTENED AGAINST THE UNDER SIDE OF THE TRANSVERSE PORTION OF THE HOLDDOWN CLIP, WHEREBY UPON EXPANSION AND CONTRACTION OF THE MEMBERS BY REASON OF CHANGES IN TEMPERATURE, RELATIVE SLIDING MOVEMENT MAY TAKE PLACE BETWEEN THE HOLDDOWN CLIPS AND THE GUTTER AND ASSOCIATED BOLTS.