Patents by Inventor Nathanael Silas Murphy

Nathanael Silas Murphy 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).

  • Lock mechanism with egress release
    Patent number: 9611672
    Abstract: An exemplary lock includes an outer spindle, a center spindle, and a lock control assembly selectively coupling the outer and center spindles. In one embodiment, the lock control assembly includes a cam coupled to the center spindle, a locking bar slidingly coupled to the outer spindle, a cam follower positioned between the locking bar and the cam, and a biasing element urging the locking bar into engagement with the cam follower. Engagement between the cam and the cam follower may be configured to move the cam follower longitudinally in response to relative rotation between the cam and the cam follower.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: April 4, 2017
    Assignee: Schlage Lock Company LLC
    Inventor: Nathanael Silas Murphy
  • LOCK MECHANISM WITH EGRESS RELEASE
    Publication number: 20150013402
    Abstract: An exemplary lock includes an outer spindle, a center spindle, and a lock control assembly selectively coupling the outer and center spindles. In one embodiment, the lock control assembly includes a cam coupled to the center spindle, a locking bar slidingly coupled to the outer spindle, a cam follower positioned between the locking bar and the cam, and a biasing element urging the locking bar into engagement with the cam follower. Engagement between the cam and the cam follower may be configured to move the cam follower longitudinally in response to relative rotation between the cam and the cam follower.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 15, 2015
    Inventor: Nathanael Silas Murphy