Patent ID: 7624606

Claim:
A rekeyable lock cylinder comprising: a cylinder body; and a plug assembly disposed within the cylinder body comprising: a plug body having a longitudinal axis; a guide bar coupled to the plug body; and a plurality of pin assemblies movably disposed in the plug body, each of the pin assemblies comprising a first rack component engaged with the guide bar and a second rack component selectively engaging with the first rack component, wherein the guide bar is configured to move the first rack components transversely to the longitudinal axis of the plug body to disengage the first rack components from the second rack components, wherein the cylinder body comprises a resilient assembly and a hollow cylinder portion for disposing the plug assembly, the hollow cylinder portion has an inside wall and a recession recessed from the inside wall, the resilient assembly is disposed within the recession, and wherein the resilient assembly comprises a movable plate that is capable of being pushed to move by the guide bar and at least one resilient member contacting against the movable plate.