Patent attributes
A number lock has a main rod, a casing, a push knob and two buckles. The main rod is jacketed with a plurality of number rollers, and each number roller is capable of controlling movement of the main rod. One end of the main rod has an operating block and an ejector. The casing has two corresponding pieces enclosing the main rod and exposes a portion of each number roller. The casing further has a displacement space for accepting the operating block and a semispherical space for accepting the ejector. The casing has an elastic piece pushing against each number roller for positioning. One end of the casing is provided with a round rod, and the round rod has a ball socket connected to a cable. The push knob is partially disposed in the displacement space of the casing and connected to the operating block.
