Patents by Inventor Nagesh Varadaraju

Nagesh Varadaraju has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240125151
    Abstract: An exemplary rotation converter includes an input component, an output component, and an intermediate component engaged between the input component and the output component. The input component is rotatable from an input component home position in each of a first direction and an opposite second direction. The intermediate component is configured to move to an actuated position in response to rotation of the input component in either direction, and to rotate the output component in an actuating direction as the intermediate component moves to the actuated position.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Phaneendra Kumar, Nagesh Varadaraju, Aaron P. McKibben
  • Patent number: 11920375
    Abstract: An exemplary apparatus includes a modular, self-contained spring cage and a spindle. The spring cage includes a housing and a clock spring mounted in the housing, and the clock spring includes a first leg and a second leg. The spindle extends through the spring cage, and is rotatable from a home position about a longitudinal axis in each of a first rotational direction and a second rotational direction. Rotation of the spindle from the home position in the first rotational direction causes pivoting of the first leg while the second leg remains stationary, thereby causing the clock spring to urge the spindle to return to the home position. Rotation of the spindle from the home position in the second rotational direction causes pivoting of the second leg while the first leg remains stationary, thereby causing the clock spring to urge the spindle to return to the home position.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: March 5, 2024
    Assignee: Schlage Lock Company LLC
    Inventors: Saagar Mohammed, Aaron P. McKibben, Nagesh Varadaraju
  • Patent number: 11851915
    Abstract: An exemplary rotation converter includes an input component, an output component, and an intermediate component engaged between the input component and the output component. The input component is rotatable from an input component home position in each of a first direction and an opposite second direction. The intermediate component is configured to move to an actuated position in response to rotation of the input component in either direction, and to rotate the output component in an actuating direction as the intermediate component moves to the actuated position.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 26, 2023
    Assignee: Schlage Lock Company LLC
    Inventors: Phaneendra Kumar, Nagesh Varadaraju, Aaron P. McKibben
  • Patent number: 11739562
    Abstract: An exemplary clutch mechanism includes a casing, first and second hubs rotatably mounted to the casing, an electrically-actuated drive assembly mounted within the casing, and a clutching lug movably mounted within the casing. The lug has an engaged position in which the lug couples the hubs for joint rotation and a disengaged position in which the hubs are rotationally decoupled. The drive assembly is operable to drive the lug between the engaged and disengaged positions to couple and decouple the hubs. The clutch mechanism is modular and self-contained within the casing such that the mechanism can be installed to each of a plurality of different lockset products without opening the casing.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: August 29, 2023
    Assignee: Schlage Lock Company LLC
    Inventors: Douglas A. Holmes, Kenton H. Barker, Aditya S. Heblikar, Nagesh Varadaraju, Vijayakumar Mani, Preethi M. Yogaraj, Adithya G. Shetty, Sushanth Kondi
  • Publication number: 20230220701
    Abstract: A lockset apparatus according to certain embodiments includes one or more features that facilitate the assembly and/or installation of the lockset. By way of example, certain embodiments relate to an outside trim assembly including one or more features that facilitate installation of a spring cage, a lock module, a lock cylinder, a light guide, a battery tamper monitor, and/or a request to exit sensor. In certain forms, an outside trim assembly and/or an inside trim assembly may be utilized across multiple formats of access control device, such as the mortise format, the tubular format, and/or the exit format.
    Type: Application
    Filed: January 12, 2022
    Publication date: July 13, 2023
    Inventors: Saagar Mohammed, Aaron P. McKibben, Nagesh Varadaraju, Aditya Heblikar, Mahesha Appaji, Chad Eagin, Taukeer Ansari
  • Patent number: 11661782
    Abstract: An exemplary armature assembly is configured for use with a door control mounted to one of a door or a doorframe. The door control includes a rotatable pinion, and the armature assembly includes an armature, a shoe, and an elastic component. The armature has a first end and an opposite second end, and the first end includes an opening sized and shaped to receive the pinion at a first interface. The shoe is configured for mounting to the other of the door or the doorframe, and the second end of the armature is pivotally connected to the shoe at a second interface. In certain forms, the elastic component coupled with the armature and configured to absorb mechanical shocks at one of the first interface or the second interface. In certain forms, the elastic component is configured to absorb mechanical shocks along the length of the armature.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: May 30, 2023
    Assignee: Schlage Lock Company LLC
    Inventors: Brian C. Eickhoff, Brady Plummer, Bradley May, Nagesh Varadaraju, Suresha Chandrasekharareddy, Vijayakumar Mani, Aditya Heblikar, Dharam Deo Prasad
  • Publication number: 20230160235
    Abstract: An exemplary apparatus includes a housing, a lock mechanism mounted to the housing, an electromechanical driver, a first override mechanism, and a second override mechanism. The electromechanical driver is mounted to the housing and is operable to unlock the lock mechanism. The first override mechanism is movably mounted to the housing and is operable to unlock the lock mechanism. The second override mechanism is movably mounted to the housing and is operable to unlock the lock mechanism. The apparatus has a first configuration in which a lock cylinder is engaged with the first override mechanism such that actuation of the lock cylinder unlocks the lock mechanism. The apparatus has a second configuration in which the lock cylinder is engaged with the second override mechanism such that actuation of the lock cylinder unlocks the lock mechanism.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 25, 2023
    Inventors: Aditya Heblikar, Nagesh Varadaraju, Saagar Mohammed
  • Patent number: 11572727
    Abstract: Certain embodiments relate to an adjustment indicator mechanism for a door closer including a tubular portion and an adjustment screw mounted to the tubular portion. A housing is configured for mounting to the door closer, and includes a channel and indicia adjacent the channel, each of the indicia corresponding to a respective size of the door closer. An adjustment transmission includes a first component configured for coupling with the adjustment screw. An indicator transmission is engaged with the adjustment transmission and mounted in the housing. An indicator is movably mounted to the housing such that a portion of the indicator is visible via the channel. The indicator is engaged with the indicator transmission such that movement of the indicator transmission causes the indicator to selectively align with the indicia to thereby indicate the current size of the door closer.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: February 7, 2023
    Assignee: Schlage Lock Company LLC
    Inventors: Brian C. Eickhoff, David V. Toloday, Nagesh Varadaraju, Aditya Heblikar, James W. Overbey
  • Publication number: 20220403920
    Abstract: A rotation converter according to certain embodiments generally includes a case, an input member, a shuttle, and an output member. The input member is rotatably mounted to the case, and is rotatable from an input member home position in each of a first rotational direction and a second rotational direction. The shuttle is movably mounted in the case, and is engaged with the input member such that rotation of the input member from the input member home position in each of the first rotational direction and the second rotational direction drives the shuttle from a shuttle home position to a shuttle actuated position. The output member is rotatably mounted to the case and engaged with the shuttle such that the output member rotates in an output member rotational direction in response to movement of the shuttle from the shuttle home position to the shuttle actuated position.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 22, 2022
    Inventors: Nagesh Varadaraju, Aaron P. McKibben
  • Publication number: 20220325556
    Abstract: An exemplary apparatus includes a modular, self-contained spring cage and a spindle. The spring cage includes a housing and a clock spring mounted in the housing, and the clock spring includes a first leg and a second leg. The spindle extends through the spring cage, and is rotatable from a home position about a longitudinal axis in each of a first rotational direction and a second rotational direction. Rotation of the spindle from the home position in the first rotational direction causes pivoting of the first leg while the second leg remains stationary, thereby causing the clock spring to urge the spindle to return to the home position. Rotation of the spindle from the home position in the second rotational direction causes pivoting of the second leg while the first leg remains stationary, thereby causing the clock spring to urge the spindle to return to the home position.
    Type: Application
    Filed: April 8, 2021
    Publication date: October 13, 2022
    Inventors: Saagar Mohammed, Aaron P. McKibben, Nagesh Varadaraju
  • Publication number: 20220081932
    Abstract: An handleset including a housing, a spring cage assembly, a spindle, and a lever handle. The spring cage assembly includes a spring cage rotatably mounted in the housing, and a bias mechanism biasing the spring cage toward a home position. The spindle extends along a longitudinal axis, and is longitudinally movable between an engaged position in which the spindle is rotationally coupled with the spring cage and a disengaged position in which the spindle is rotationally decoupled from the spring cage. The lever handle is rotationally coupled with the spindle, and the spindle is slidable relative to the lever handle between the engaged position and the disengaged position.
    Type: Application
    Filed: September 15, 2020
    Publication date: March 17, 2022
    Inventors: Nagesh Varadaraju, Vijayakumar Mani
  • Publication number: 20220065017
    Abstract: An exemplary armature assembly is configured for use with a door control mounted to one of a door or a doorframe. The door control includes a rotatable pinion, and the armature assembly includes an armature, a shoe, and an elastic component. The armature has a first end and an opposite second end, and the first end includes an opening sized and shaped to receive the pinion at a first interface. The shoe is configured for mounting to the other of the door or the doorframe, and the second end of the armature is pivotally connected to the shoe at a second interface. In certain forms, the elastic component coupled with the armature and configured to absorb mechanical shocks at one of the first interface or the second interface. In certain forms, the elastic component is configured to absorb mechanical shocks along the length of the armature.
    Type: Application
    Filed: May 11, 2021
    Publication date: March 3, 2022
    Inventors: Brian C. Eickhoff, Brady Plummer, Bradley May, Nagesh Varadaraju, Suresha Chandrasekharareddy, Vijayakumar Mani, Aditya Heblikar, Dharam Deo Prasad
  • Publication number: 20220003029
    Abstract: Certain embodiments relate to an adjustment indicator mechanism for a door closer including a tubular portion and an adjustment screw mounted to the tubular portion. A housing is configured for mounting to the door closer, and includes a channel and indicia adjacent the channel, each of the indicia corresponding to a respective size of the door closer. An adjustment transmission includes a first component configured for coupling with the adjustment screw. An indicator transmission is engaged with the adjustment transmission and mounted in the housing. An indicator is movably mounted to the housing such that a portion of the indicator is visible via the channel. The indicator is engaged with the indicator transmission such that movement of the indicator transmission causes the indicator to selectively align with the indicia to thereby indicate the current size of the door closer.
    Type: Application
    Filed: April 20, 2021
    Publication date: January 6, 2022
    Inventors: Brian C. Eickhoff, David V. Toloday, Nagesh Varadaraju, Aditya Heblikar, James W. Overbey
  • Publication number: 20210332618
    Abstract: An exemplary rotation converter includes an input component, an output component, and an intermediate component engaged between the input component and the output component. The input component is rotatable from an input component home position in each of a first direction and an opposite second direction. The intermediate component is configured to move to an actuated position in response to rotation of the input component in either direction, and to rotate the output component in an actuating direction as the intermediate component moves to the actuated position.
    Type: Application
    Filed: April 28, 2020
    Publication date: October 28, 2021
    Inventors: Phaneendra Kumar, Nagesh Varadaraju, Aaron P. McKibben
  • Patent number: 11002055
    Abstract: An exemplary armature assembly is configured for use with a door control mounted to one of a door or a doorframe. The door control includes a rotatable pinion, and the armature assembly includes an armature, a shoe, and an elastic component. The armature has a first end and an opposite second end, and the first end includes an opening sized and shaped to receive the pinion at a first interface. The shoe is configured for mounting to the other of the door or the doorframe, and the second end of the armature is pivotally connected to the shoe at a second interface. In certain forms, the elastic component coupled with the armature and configured to absorb mechanical shocks at one of the first interface or the second interface. In certain forms, the elastic component is configured to absorb mechanical shocks along the length of the armature.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: May 11, 2021
    Assignee: Schlage Lock Company LLC
    Inventors: Brian C. Eickhoff, Brady Plummer, Bradley May, Nagesh Varadaraju, Suresha Chandrasekharareddy, Vijayakumar Mani, Aditya Heblikar, Dharam Deo Prasad
  • Publication number: 20210123280
    Abstract: An exemplary door control assembly includes a door control and an armature assembly. The door control includes a body and a pinion rotatably mounted to the body for rotation about a rotational axis. The pinion has a radially-outer periphery and a recess is formed in the radially-outer periphery. The armature assembly comprises an armature and a coupler. The armature is rotationally coupled with the pinion, and includes an opening in which the pinion is received. The coupler is movably mounted to the armature for movement between a coupling position and a decoupling position. With the coupler in the coupling position, the coupler projects into the recess and axially couples the armature and the pinion to prevent removal of the armature from the pinion. With the coupler in the decoupling position, the coupler axially decouples the armature and the pinion to permit removal of the armature from the pinion.
    Type: Application
    Filed: October 28, 2019
    Publication date: April 29, 2021
    Inventors: Brian C. Eickhoff, Nagesh Varadaraju, David V. Toloday, Subashchandra G. Rai, Chad Eagin, Benaka Gireesha
  • Patent number: 10982479
    Abstract: Certain embodiments relate to an adjustment indicator mechanism for a door closer including a tubular portion and an adjustment screw mounted to the tubular portion. A housing is configured for mounting to the door closer, and includes a channel and indicia adjacent the channel, each of the indicia corresponding to a respective size of the door closer. An adjustment transmission includes a first component configured for coupling with the adjustment screw. An indicator transmission is engaged with the adjustment transmission and mounted in the housing. An indicator is movably mounted to the housing such that a portion of the indicator is visible via the channel. The indicator is engaged with the indicator transmission such that movement of the indicator transmission causes the indicator to selectively align with the indicia to thereby indicate the current size of the door closer.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: April 20, 2021
    Assignee: Schlage Lock Company LLC
    Inventors: Brian C. Eickhoff, David V. Toloday, Nagesh Varadaraju, Aditya Heblikar, James W. Overbey
  • Publication number: 20210071458
    Abstract: An exemplary armature assembly is configured for use with a door control mounted to one of a door or a doorframe. The door control includes a rotatable pinion, and the armature assembly includes an armature, a shoe, and an elastic component. The armature has a first end and an opposite second end, and the first end includes an opening sized and shaped to receive the pinion at a first interface. The shoe is configured for mounting to the other of the door or the doorframe, and the second end of the armature is pivotally connected to the shoe at a second interface. In certain forms, the elastic component coupled with the armature and configured to absorb mechanical shocks at one of the first interface or the second interface. In certain forms, the elastic component is configured to absorb mechanical shocks along the length of the armature.
    Type: Application
    Filed: September 9, 2019
    Publication date: March 11, 2021
    Inventors: Brian C. Eickhoff, Brady Plummer, Bradley May, Nagesh Varadaraju, Suresha Chandrasekharareddy, Vijayakumar Mani, Aditya Heblikar, Dharam Deo Prasad
  • Publication number: 20200370338
    Abstract: An exemplary clutch mechanism includes a casing, first and second hubs rotatably mounted to the casing, an electrically-actuated drive assembly mounted within the casing, and a clutching lug movably mounted within the casing. The lug has an engaged position in which the lug couples the hubs for joint rotation and a disengaged position in which the hubs are rotationally decoupled. The drive assembly is operable to drive the lug between the engaged and disengaged positions to couple and decouple the hubs. The clutch mechanism is modular and self-contained within the casing such that the mechanism can be installed to each of a plurality of different lockset products without opening the casing.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 26, 2020
    Inventors: Douglas A. Holmes, Kenton H. Barker, Aditya S. Heblikar, Nagesh Varadaraju, Vijayakumar Mani, Preethi M. Yogaraj, Adithya G. Shetty, Sushanth Kondi
  • Publication number: 20200347657
    Abstract: Certain embodiments relate to an adjustment indicator mechanism for a door closer including a tubular portion and an adjustment screw mounted to the tubular portion. A housing is configured for mounting to the door closer, and includes a channel and indicia adjacent the channel, each of the indicia corresponding to a respective size of the door closer. An adjustment transmission includes a first component configured for coupling with the adjustment screw. An indicator transmission is engaged with the adjustment transmission and mounted in the housing. An indicator is movably mounted to the housing such that a portion of the indicator is visible via the channel. The indicator is engaged with the indicator transmission such that movement of the indicator transmission causes the indicator to selectively align with the indicia to thereby indicate the current size of the door closer.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 5, 2020
    Inventors: Brian C. Eickhoff, David V. Toloday, Nagesh Varadaraju, Aditya Heblikar, James W. Overbey