Patents by Inventor Takeji Kawamura

Takeji Kawamura 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).

  • Shot gun
    Patent number: 3972142
    Abstract: A shot gun, wherein a pulled trigger causes a disconnector to push a sear for rotation, thereby disengaging a hammer from the sear; the hammer normally urged by a plunger assembly forcefully rotates when released from the sear and impinges on the firing pin of a breech bolt; and the disconnector is provided with an engagement member which is engaged with the plunger assembly upon rotation of the hammer to release the sear from a state pushed by the disconnector.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: August 3, 1976
    Inventor: Takeji Kawamura