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US 8,276,417 B2Granted
Rim lock with removable cylinders
AssigneeNewfrey LLC
InventorJack Zhang
Life of this patent
Estimating the term…
Abstract
A rim lock includes interior and exterior lock assemblies. Each lock assembly includes a lock cylinder that is removable without removing the rim lock from the door.
Claims7
A rim lock comprising;
- a case;
- an interior lock assembly coupled to the case;
- an exterior lock assembly coupled to the case, the interior and exterior lock assemblies having a common longitudinal axis;
- a first driven gear coupled to the interior lock assembly;
- a second driven gear coupled to the exterior lock assembly;
- a first drive gear disposed to engage and rotate the first driven gear;
- and
- a second drive gear disposed to engage and rotate the second driven gear;
- the interior lock assembly being configured to be driven longitudinally in response to rotation of the first driven gear and the exterior lock assembly being configured to be driven longitudinally in response to rotation of the second driven gear.
6 more elements
A rim lock comprising:
- a case;
- a lock assembly coupled to the case and having a longitudinal axis;
- a first driven gear coupled to the lock assembly;
- a first drive gear disposed to engage the driven gear, the driven gear rotating in response to rotation of the drive gear and the lock assembly moving longitudinally in response to rotation of the driven gear:
- a second lock assembly coupled to the case,
- a second driven gear coupled to the second lock assembly, and
- a second drive gear disposed to engage the second driven gear, the second driven gear rotating in response to rotation of the second drive gear and the second lock assembly moving longitudinally in response to rotation of the second driven gear.
4 more elements
Dependencies are inferred from the claim text.