Upwardly acting door and seal means therefor

Claim 1

AN UPWARDLY ACTING DOOR ASSEMBLY COMMPRISING SIDE FRAME MEMBERS, TRACKS INCLUDING UPRIGHT PORTIONS OF FACING CHANNEL CROSS SECTION DISPOSED AT THE INNER SIDES OF THE DOOR FRAME SIDE MEMBERS IN FACING RELATION TO EACH OTHER, A DOOR COMPRISING A PLURALITY OF PIVOTALLY CONNECTED SECTIONS, TRACK ENGAGING ROLLERS DISPOSED AT THE ENDS OF SAID SECTIONS, COUNTERBALANCE MEANS INCLUDING A CABLE, A COMBINED SPINDLE SUPPORTING BRACKET AND CABLE ANCHORING MEMBER DISPOSED ON THE END OF THE LOWER DOOR SECTION AND COMPRISING A PLATE-LIKE BODY PORTION HAVING AN INWARDLY PROJECTING ROLLER SPINDLE BEARING AND AN INWARDLY PROJECTING CABLE COUPLING SOCKET DISPOSED ABOVE SAID SPINDLE BEARING, A TRACK ENGAGING ROLLER HAVING A SPINDLE DISPOSED IN SAID SPINDLE BEARING, AND A CABLE COUPLING MEMBER PROVIDED WITH A SPINDLE ENGAGING IN SAID CABLE COUPLING SOCKET AND TERMINATING AT ITS OUTER END IN A LATERALLY PROJECTING LUG AND HAVING A KEYHOLE SLOT THEREIN EXTENDING INTO SAID LUG, SAID CABLE HAVING A TERMINAL PORTION DETACHABLY ENGAGED WITH SAID KEYHOLE SLOT, SAID CABLE COUPLING MEMBER BEING SWINGABLE LATERALLY RELATIVE TO SAID LOWER DOOR SECTION AND TO SAID TRACK.