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US 10,233,672 B2Granted
Lock devices, systems and methods
AssigneeSchlage Lock Company LLC
InventorsAaron P. McKibben, Kenton H. Barker
Life of this patent
Estimating the term…
Abstract
Disclosed are various embodiments of lock devices, systems, and methods. A lock of the application can include an internal mechanism to permit backdriven operation and lost motion operation. In one form the lock can be made from an assembly of parts that have locating features that require one way installation/assembly. The lock can include an internal power source capable of driving electronics used to determine handedness of a door.
Claims20
An apparatus, comprising:
- a motor structured to move a bolt of a door lock assembly between an extended position and a retracted position;
- a drive member drivingly coupled with the bolt and actuatable to cause movement of the bolt between the extended and retracted positions;
- and
- a lost motion assembly interposed between the motor and the drive member and having a first lost motion member moveable via the motor and a second lost motion member moveable via the drive member that is in moveable communication with the first lost motion member, the first lost motion member including a pocket that extends inwardly into the first lost motion member, the first lost motion member having an engaging portion structured to contact the second lost motion member within the pocket of the first lost motion member and cause movement of the drive member between a relatively extended position and a relatively retracted position, the first lost motion member also having a range of motion in which the engaging portion is not in contact with the second lost motion member within the pocket of the first lost motion member such that, in one mode of operation, movement of the bolt results in substantially little corresponding movement of the first lost motion member.
1 more element
An apparatus, comprising:
- a powered door access device module structured to operate a bolt that can be extended and retracted to secure a door, the device module also having a receptacle for receiving an energy storage device useful to provide power to a motor to extend and retract the bolt;
- and
- a lost motion assembly disposed within the powered door access device module having a first lost motion member oriented to be driven directly via the motor and a second lost motion member oriented to extend and retract the bolt, the first lost motion member and the second lost motion member structured to contact each other to transmit power from the motor to the bolt such that the first lost motion member is capable of moving over an operating range to convey the second lost motion member between a bolt retracted position and a bolt extended position, the first lost motion member also having a deadband of contact with the second lost motion member that corresponds substantially to the operating range such that, after the second lost motion member is conveyed to the bolt extended position, the first lost motion member can be reversed and returned to a starting position substantially without disrupting an orientation of the second lost motion member.
An apparatus, comprising:
- a powered bolt assembly that includes a motor disposed internal to the powered bolt assembly that is coupled with a bolt via gearing and a drive member structured to move the bolt between an extended position and a retracted position;
- and
- a lost motion assembly interposed between the motor and the drive member that has a first lost motion member moveable via the motor and a second lost motion member moveable via the drive member, the first lost motion member having a range of motion in which the first lost motion member is not in contact with the second lost motion member such that, in one mode of operation, movement of the bolt results in substantially little corresponding movement of the first lost motion member, the first and second lost motion members arranged to interact without passing over one another in response to movement of the bolt to the extended position.
Dependencies are inferred from the claim text.