Patents by Inventor Akiyoshi Mentani

Akiyoshi Mentani 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: 4425770
    Abstract: A steering lock assembly for use in an automobile comprises a cylinder lock plug for controlling an ignition switch assembly with a mating key inserted in the cylinder lock plug and a steering shaft lock operatively associated with the cylinder lock plug for selectively locking and unlocking an automobile steering shaft. The cylinder lock plug comprises a key-operated barrel and the steering shaft lock comprises a locking member. As an element for transmitting rotation of the barrel, which is effected by turning the mating key inserted therein, to the locking member, a cam member is utilized, which cam member is integrally formed with the barrel.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: January 17, 1984
    Inventors: Akiyoshi Mentani, Hiromasa Nakamoto
  • Patent number: 4400954
    Abstract: A steering lock assembly for use in an automobile comprises a cylinder lock for controlling an ignition switch assembly with a mating key inserted in the cylinder lock and a steering shaft lock operatively associated with the cylinder lock for selectively locking and unlocking an automobile steering shaft. The cylinder lock comprises a key-operated barrel and the steering shaft lock comprises a locking member. A retaining mechanism is also provided for temporarily holding the locking member in an unlocked position unless the key inserted in the barrel is withdrawn and comprises a locking link. This locking link is operatively accommodated in an elongated chamber in a lock housing and can be held in position inside the elongated chamber by inserting it in an axial direction of the barrel.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: August 30, 1983
    Assignees: Toyo Kogyo Co., Ltd, Yuhshin Co., Ltd.
    Inventors: Hiromasa Nakamoto, Akiyoshi Mentani