Patents Assigned to Yamayo Measuring Tools Co., Ltd.
  • Patent number: 5718056
    Abstract: A tape measure is provided which has less rotational wearing and trouble, increased reliability of cooperative rotation, and an easier assembling and disassembling structure. The tape measure is characterized in that a unitized gear mechanism can be taken out from outside, and a sub-rotary disc axis member and a take-up drive can be rotated together.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: February 17, 1998
    Assignee: Yamayo Measuring Tools Co., Ltd.
    Inventors: Tokuro Miyasaka, Hideyuki Kato, Toshio Yasunaga, Hiroyasu Watanabe
  • Patent number: D324346
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: March 3, 1992
    Assignee: Yamayo Measuring Tools Co., Ltd.
    Inventor: Takeo Ogasawara
  • Patent number: D377911
    Type: Grant
    Filed: January 17, 1996
    Date of Patent: February 11, 1997
    Assignee: Yamayo Measuring Tools Co., Ltd.
    Inventor: Takeo Ogasawara