Patents by Inventor Yukihumi Machida

Yukihumi Machida 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: 5702272
    Abstract: A terminal connecting portion 22 of a connecting terminal 21 is formed in a form of a rectangular sleeve by a bottom plate 24, side plates 25, 26 bent upwardly from the bottom plate 24, and top plates 27, 28 bent horizontally from respective side plates 25, 26. Within the terminal connecting portion there is provided a movable contact strip 29 such that a contact portion 29a is directed toward the top plate 27, engaging projections 29b, 29c provided at a front portion of the movable contact strip 29 are engaged with wing portions 30b of a clamping strip 30, and engaging lugs 29d, 29e formed at the front portion of the movable contact strip 29 are engaged with front edges of the side plates 25, 26.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: December 30, 1997
    Assignee: Ryosei Electro-Circuit Systems, Ltd.
    Inventor: Yukihumi Machida
  • Patent number: 5334041
    Abstract: An electric connector including a first connector half having a plurality of terminals, a second connector half having a plurality of corresponding terminal and a pair of leaf springs secured to opposite side also of the first connector half for detachably coupling he first and second connector halves with each other. Each leaf spring includes a fitting portion, a bent portion, an unlocking portion, an intermediate portion, an end portion with a locking aperture, and a reinforcing portion having one end connected to a junction between the bent portion and the unlocking portion. The fitting portion is secured to the first connector half and an end of the reinforcing portion is urged against a side wall of the first connector half. When the second connector half is inserted into the first connector half, a locking projection formed on a side wall of the second connector half engages with the locking aperture for locking the first and second connector halves together.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: August 2, 1994
    Assignee: Mitsubishi Cable Industries Ltd.
    Inventors: Tsugio Anbo, Yukihumi Machida, Hirohumi Iguchi