Patents by Inventor Sarwan A. Jairam

Sarwan A. Jairam 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).

  • Cartridge stapler with jam resistant mechanism
    Patent number: 5580066
    Abstract: A cartridge stapler having a head, a driver blade and a sheath in which the sheath is controlled by configured sheath holes, head slots and selective positioning of the cartridge. Cartridge insertion stabilizes the sheath during normal operation to reduce jamming and upon its removal allowed for sheath movement to clear a jam.
    Type: Grant
    Filed: April 7, 1994
    Date of Patent: December 3, 1996
    Assignee: Acco USA, Inc.
    Inventor: Sarwan A. Jairam
  • Stapler with sheath control mechanism
    Patent number: 5495975
    Abstract: A stapler in which the sheath is held in fixed operable position by a pin during operation with the sheath configured to assure such holding. Sheath opening is accomplished by action of a separate release lever which releases with ease the sheath from the pin.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: March 5, 1996
    Assignee: Acco USA, Inc.
    Inventors: Sarwan A. Jairam, Frank H. F. Lin
  • Compact gear arm powered stapler with movable anvil
    Patent number: 5413266
    Abstract: A stapler powered by a motor and gear train to move a head up and down through utilization of at least one pivotal arm having an elongated cam follower slot in the arm; a driven rotatable gear in the train gear and a pin on the gear to ride in and along the slot. The arm pivots about a spring-loaded axle. Clinching wings for clinching staples are positively driven upwardly and downwardly by a pivotal clinching arms. A manual unit is included for turning the gear train to assist in removing jams.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: May 9, 1995
    Assignee: Acco USA, Inc.
    Inventor: Sarwan A. Jairam
  • Stapler mechanism including jam clearing device
    Patent number: 5121868
    Abstract: A stapler with a pivotal sheath which sheath rotation is controlled by a hand-operable control piece. The control piece is anchored to anchor protrusion to place the sheath in its normal operating position. The control piece is releasable from its anchor protrusion to rotate it to assist in releasing jammed staples.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: June 16, 1992
    Assignee: Swingline Inc.
    Inventor: Sarwan A. Jairam