Patent ID: 11913249
Assignee: SCHLAGE LOCK COMPANY LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 3:
4. A system, comprising:
a housing defining a cylindrical chamber; and
a plug assembly rotatably mounted in the chamber for rotation relative to the housing between a home position and a rotated position, the plug assembly comprising:
a plug extending along a rotational axis and including a plug body that interfaces with an inner surface of the housing at a cylindrical shear line;
a tumbler assembly movably mounted in the plug, the tumbler assembly having a blocking state in which a portion of the tumbler assembly crosses the cylindrical shear line and prevents rotation of the plug assembly from the home position, the tumbler assembly having an unblocking state in which the tumbler assembly does not prevent rotation of the plug assembly from the home position; and
a retention mechanism movably mounted in the plug and having a retaining state in which the retention mechanism prevents axial movement of the plug assembly relative to the housing without preventing rotation of the plug assembly relative to the housing, the retention mechanism having a releasing state in which the retention mechanism does not prevent axial movement of the plug assembly relative to the housing; and

wherein the retention mechanism comprises a first plate biased in a first direction toward a first retaining position, and a second plate biased in a second direction toward a second retaining position, and wherein the first direction is different from the second direction.