Patents Assigned to Lock Jaws, Inc.
  • Jaw locking means for lathe chucks
    Patent number: 4640518
    Abstract: To firmly retain the jaw of a lathe chuck against movement it is provided with a locking mechanism having a pair of locking members arranged to bear on the chuck face, and an actuating means adjustably mounted on the jaw so as to force the locking members against the chuck face for locking the jaw in a fixed position relative to the chuck.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: February 3, 1987
    Assignee: Lock Jaws, Inc.
    Inventor: Thomas A. Ferraro
  • Jaw locking means for lathe chucks
    Patent number: 4561663
    Abstract: To firmly retain the jaw of a lathe chuck against movement it is formed with a transverse passageway or hole through it about midway of its length, a U-block is inserted in it in an inverted position so its legs will bear on the chuck face and a bolt is threaded in the jaw directly above the U-block so it will bear on the block and force it against the chuck face.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: December 31, 1985
    Assignee: Lock Jaws, Inc.
    Inventor: Thomas A. Ferraro
  • Jaw locking mechanism for lathe chucks having a soft jaw, a master jaw and a key block
    Patent number: 4556228
    Abstract: To firmly retain the jaw of a lathe chuck against movement it is formed with a transverse slot in its bottom, a key-like block is inserted in the slot and has a pair of leg members arranged to bear on the chuck face, and a screw member is threadedly mounted in the jaw directly above the block so that it will bear on the block and force the leg members thereof against the chuck face.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: December 3, 1985
    Assignee: Lock Jaws, Inc.
    Inventor: Thomas A. Ferraro