US Patent 7127779 Cable tie

A cable tie with an elongated tongue with two ends and two broad sides, a tip at one end of the tongue, a set of ratchet teeth extending along one broad side of the tongue, and a locking head at the other end of the tongue, the locking head having sides defining an opening for receiving the tip of the tongue, and a movable pawl that is hinged at one side of the opening, with another side of the opening defining an abutment wall that is across the opening from the pawl. The pawl engages with one or more of the ratchet teeth when the tongue has been inserted through the opening with the set of ratchet teeth facing the pawl. The abutment wall defines at least one protruding cross member, to strengthen the abutment wall.