Patents by Inventor Juzaburo Monobe

Juzaburo Monobe 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).

  • Power tool
    Patent number: 5339908
    Abstract: A power tool has a speed reduction gear mechanism including a plurality of stages of planetary gear arrangements, a slide gear member disposed in a tool body to be axially movable therein to change revolution speed of the speed reduction mechanism, and a movable member operatively connected to the slide gear member for moving the same, the movable member having a ring shape and being disposed on an outer side of the slide gear member whereby the slide gear member can be smoothly moved.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: August 23, 1994
    Assignee: Ryobi Limited
    Inventors: Takao Yokota, Juzaburo Monobe, Nobuhiro Sano
  • Safeguard apparatus for cutter of joint planer
    Patent number: 5022447
    Abstract: An apparatus for safeguarding an exposed portion of the cutting blade of a joint planer is disclosed. The safeguard apparatus covers the exposed portion of the cutting blade behind the guide surface of the joint planer. The safeguard is pivotally connected to the guide surface, allowing the angle of the safeguard relative to the table to remain constant while the angle of the guide surface relative to the table changes. This safeguard is auxiliary to a main safeguard on the opposite side of the guide surface.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: June 11, 1991
    Assignee: Ryobi Ltd.
    Inventor: Juzaburo Monobe
  • Cutting depth adjusting mechanism of a router
    Patent number: 4770573
    Abstract: A cutting depth adjustment mechanism for a router having a nut engaged on a guide bolt for adjusting the depth of cut. Cutting depth can be coursely adjusted without rotation of the guide bolt relative to the adjusting nut. This can be accomplished by either disengaging the adjusting nut from the guide bolt or by releasing the adjusting nut from the main body member and sliding the nut along a longitudinally formed slot in the main body member.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: September 13, 1988
    Assignee: Ryobi Ltd.
    Inventor: Juzaburo Monobe
  • Portable electric drill
    Patent number: D280797
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: October 1, 1985
    Assignee: Ryobi Ltd.
    Inventors: Masakazu Sakamoto, Teruhisa Numata, Juzaburo Monobe
  • Electric router
    Patent number: D307104
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: April 10, 1990
    Assignee: Ryobi Ltd.
    Inventors: Juzaburo Monobe, Kiyoshi Hoshino
  • Electric planer
    Patent number: D307592
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: May 1, 1990
    Assignee: Ryobi Ltd.
    Inventors: Juzaburo Monobe, Kiyoshi Hoshino
  • Electric planer
    Patent number: D322258
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: December 10, 1991
    Assignee: Ryobi Ltd.
    Inventor: Juzaburo Monobe