Patents by Inventor Vincent J. Olmstead

Vincent J. Olmstead 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).

  • Out-of-battery lock for automatic primer feed mechanism
    Patent number: 7318369
    Abstract: An out-of-battery lock for a primer feed mechanism having a drive shaft and a drive shaft housing surrounding the drive shaft, the out-of-battery lock including a housing having an opening therethrough for attachment to the drive shaft; a pair of wings disposed on opposite sides of the housing; a plunger slot formed in the housing; a plunger movably disposed in the plunger slot, the plunger including a central bore therein and a pair of tabs disposed on opposite sides of the plunger; and a compression spring disposed in the central bore in the plunger, the compression spring providing a force to bias the plunger towards the drive shaft housing.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: January 15, 2008
    Assignee: United States of America as represented by the Secretary of the Army
    Inventors: Lisa J. Madigan, Robert J. Mysliwiec, Vincent J. Olmstead