The new lock, roller's unique design:
1. It by the end of the roller body straight edges form into a circular arc lock mouth.
2. The roller end extended check dimensions, the end of the two ends of the roller body is oriented with radial extrusion lock mouth, make face a circular arc transition.
Second, the new lock mouth roller product structure:
1. The sealing device
2. Bearing
3. The bearing seat
4. Supporting roller
5. The roller body

Three, the new lock mouth roller product advantage:
1, long life and wide use.
2, prevent stroke belt, appearance beautiful, strong rigidity