Cylinder lock
AssigneeAssa Abloy Australia Pty Limited
InventorPeter Loukeris
Life of this patent
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Abstract
This invention relates to a cylinder lock 1 for use with a lock assembly 10. More specifically the cylinder lock is of the kind including a cam 5 rotatable from one side by a hand turn means 4, and an opposed side by a key controlled barrel 3. The configuration of the first side of the cam 5 so as to inhibit the interaction with the barrel 3 provides a useful result.
Claims20
A cylinder lock for use with a lock assembly, the cylinder lock including a housing, a barrel includes a keyway for accommodating a key, the barrel being rotatable relative to the housing about an axis by rotation of said key inserted in the keyway, a hand turn means being rotatable about the axis relative to the housing, a cam including a body and an arm extending radially from the body for interaction with the lock assembly being rotatable relative to the housing about the axis from a first position by rotation of either the barrel or hand turn means, the cam being positioned between the barrel and the hand turn means, the barrel and the cam being configured for loss motion there between while the hand turn means and the cam being configured to act directly there between.
Dependencies are inferred from the claim text.