Patents by Inventor Richard R. Bettger

Richard R. Bettger 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).

  • Lever spindle spring cage
    Patent number: 4884835
    Abstract: Disclosed is a means to provide easily installed and accurately aligned lever spring cage for door hardware locks and latches by in the field installers. The device comprises a pair of posts, selectively arranged and mounted in a mounting plate, having four diagonally arranged key hole shaped bosses which accept the pins and in combination with accurate holes in the spring cage effect both the securing and alignment of the spring cage relative to the mounting plate.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: December 5, 1989
    Assignee: Schlage Lock Company
    Inventors: Jon M. Smallegan, Richard R. Bettger
  • Construction keying
    Patent number: 4875352
    Abstract: The invention comprises a two part key which replaces a conventional key in a conventional lock cylinder for purpose of temporary use wherein one of the parts is a plastic or similar material insert which replaces a portion of the conventional key and a short conplementary key which permits operation of the lock in conjunction with the insert. The insert being secured in the cylinder by means of the cylinder locking pins and being removable only by means of a special installation and extraction tool.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: October 24, 1989
    Assignee: Schlage Lock Company
    Inventors: Jon M. Smallegan, Richard R. Bettger
  • Retrofit lever assembly for a door knob
    Patent number: 4648643
    Abstract: The lever assembly is of two principal parts: a lever with a circular aperture to engage the shank of a door knob, and a retaining plate, for fastening thereof to the lever, having a projecting cog. The cog engages a knob catch slot in the door knob shank. Accordingly, as the lever is rotated/manipulated, it turns the door knob through the engagement of the cog with the slot, and the fastening of the plate to the lever. The assembly accommodates retrofitting thereof to doors having round door knobs.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: March 10, 1987
    Assignee: Schlage Lock Company
    Inventor: Richard R. Bettger