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Mathachan
Sajil J. Mathachan, Dharwad IN
| Patent application number | Description | Published |
|---|---|---|
| 20090056391 | DOOR LOCK ASSEMBLY - A lock assembly that includes a push button assembly manually movable from an unlocked position to a locked position, a biasing member that biases the push button assembly toward the unlocked position, and a retaining member that engages the push button assembly and a lock member to retain the push button assembly in the locked position. The lock assembly further includes an exterior handle, a driver, and a cam member coupled to the driver for rotation with the driver. The push button assembly engages the cam member to rotate the driver toward a locked position when the push button assembly moves from the unlocked position toward the locked position and the push button assembly engages the cam member to rotate the driver toward an unlocked position when the push button moves from the locked position toward the unlocked position. | 03-05-2009 |
| 20090056392 | DOOR LOCK ASSEMBLY - A lock assembly for use with a latch movable from an extended position to a retracted position, and the lock assembly includes an interior assembly and an exterior assembly. The interior assembly includes an interior handle manually movable to retract the latch and a locking member manually operable such that the locking member is movable from an unlocked position to a locked position. The exterior assembly includes an exterior handle manually operable to retract the latch when the locking member is in the unlocked position and inoperable to retract the latch when the locking member is in the locked position. The exterior assembly further includes a biasing member that biases the locking member toward the unlocked position. When the locking member is in the locked position, movement of the interior handle to retract the latch causes the biasing member to move the locking member to the unlocked position. | 03-05-2009 |
Sajil J. Mathachan, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20120240645 | LOCK CYLINDER AND KEY COMBINATION - A key and a lock cylinder ( | 09-27-2012 |
Sajil John Mathachan, Dharwad IN
| Patent application number | Description | Published |
|---|---|---|
| 20080314106 | PROGRAMMABLE LOCK CYLINDER ASSEMBLY - A programmable lock cylinder assembly comprising a lock housing and a cylinder plug mounted for rotation within the housing. A set of rack pins are positioned in the cylinder plug and moveable between a locked position and an unlocked position. A set of tongue pins are positioned in the cylinder plug and extend across the keyway. Each tongue pin is selectively engagable with a respective rack pin. A re-combinating member is engaged with the tongue pins and moveable between a first position wherein the tongue pins are engaged with the rack pins and a second position wherein the tongue pins are disengaged from the rack pins. A reset actuator is positioned within the cylinder plug and moveable between an engaged position wherein the re-combinating member position is locked relative to the cylinder plug and a non-engaged position wherein the re-combinating member position is moveable relative to the cylinder plug. | 12-25-2008 |
| 20090277239 | MASTER KEYING SYSTEM AND METHOD FOR PROGRAMMABLE LOCK CYLINDER ASSEMBLIES - A master key system and method for a reprogrammable lock cylinder with at least one first master pin and one second master pin. The first and second master pins have different bitting configurations. The master key system includes at least a first array of change key cuts corresponding to an input key bitting array and sequence of progression and at least two master key cuts corresponding to the input key bitting array and sequence of progression and each of the change key cuts. The system further comprises at least one master pin matrix including a master pin sequence for each change key cut and at least one rekey matrix including a rekey cut for each change key. Each master pin sequence represents a sequence of master pins configured to achieve the respective change key cut and the at least two master key cuts. | 11-12-2009 |