Patents by Inventor Takaro Unuma

Takaro Unuma 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).

  • Patent number: 5862787
    Abstract: A recoil starter comprises a reel 7 rotatably supported by a case 2, a slant first cam 14 disposed on the reel 7 and facing an engine side, and a dog 20 rotatably and axially movably supported on an axis coaxial with the reel 7. The dog 20 is provided with an engagement claw 26 engageable with an engagement portion 28 on the engine side, and a first cam follower 23 engageable with the first cam 14. The recoil starter further comprises a retainer 31 mounted on the case 3, the retainer 31 being engageable with the dog 20 and capable of braking rotation of the dog 20. The recoil starter further comprises a projection 15 projecting from the reel 7 and engageable with the dog 20 when the reel 7 starts rotation. The reel 7 is provided with a slant cam 18 facing away from the engine side. The dog 20 is provided with a second cam follower 24 engageable with the second cam 18.
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: January 26, 1999
    Assignee: Showakiki Industry Co., Ltd.
    Inventors: Takaro Unuma, Isao Tsunakawa, Masayuki Murakami