Patents by Inventor Thomas A. Ferraro

Thomas A. Ferraro 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).

  • 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
  • Jaw locking means for lathe chucks
    Patent number: 4530508
    Abstract: To firmly retain a jaw of a lathe or like 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 jaw directly above the U-block so it will bear on the block and force it against the chuck face.
    Type: Grant
    Filed: July 14, 1982
    Date of Patent: July 23, 1985
    Inventor: Thomas A. Ferraro
  • Dual control system for motorcycle instruction
    Patent number: 3935916
    Abstract: A safety device particularly for motorcycle instructors having a rear seat braking control that can be operated independently of the main foot lever type motorcycle brake. In addition, a motor cut-off switch can be employed to operate simultaneously with the use of the auxiliary motorcycle brake in order to de-activate the motorcycle engine, and assist in the braking of the motorcycle. The auxiliary brake can be mounted on any motorcycle currently being manufactured and sold. The safety device takes a further form in which the instructor can steer, accelerate, and shift the motorcycle as well as braking and de-activating the engine.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: February 3, 1976
    Inventor: Thomas A. Ferraro