Patents Assigned to Mory Suntour Inc.
  • Patent number: 5577413
    Abstract: A bicycle speed change operation assembly wherein a speed change operation can be performed during a braking operation, and the speed change can be made in an optimum way in response to various running situations.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: November 26, 1996
    Assignee: Mory Suntour Inc.
    Inventors: Koichi Tagawa, Akira Nakatani, Toshimasa Yamazaki
  • Patent number: 5481934
    Abstract: There is disclosed a bicycle speed change operation assembly wherein the speed change operation can be performed during the braking operation, and the speed change can be made in an optimum way in relation to various running situations.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: January 9, 1996
    Assignee: Mory Suntour Inc.
    Inventor: Koichi Tagawa
  • Patent number: 5458543
    Abstract: A bicycle multiple sprocket assembly designed to prevent lateral deflection of a chain from concentrating on a portion of the chain immediately before engaging with a diametrically larger sprocket, and for shifting the chain smoothly and assuredly to a diametrically larger sprocket. The assembly includes at least one diametrically larger sprocket and at least one diametrically smaller sprocket, wherein a side surface of the diametrically larger sprocket facing the diametrically smaller sprocket is provided with a link plate supporting portion 12 or supporting edges of link plates of a chain C so as to bend the chain along a predetermined arc when the chain is shifted from the diametrically smaller sprocket to the diametrically larger sprocket.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: October 17, 1995
    Assignee: Mory Suntour Inc.
    Inventor: Jun Kobayashi
  • Patent number: 5438889
    Abstract: With an object of providing a bicycle speed change operation assembly capable of providing an overshifting function only at a speed step requiring thereof as well as generating no unnecessary engaging sound, the following technical means are provided: The bicycle speed change operation assembly includes a retaining member (34) rotatable integrally with a speed change operation member (14), an engaging member (34) engagable with the retaining member for retaining the speed change operation member at a predetermined rotational position, and a regulating member (33b) juxtaposed to one of the retaining member and the engaging member with a predetermined play relative thereto while being engagable with the other of the retaining member and the engaging member for retaining the speed change operation member at a predetermined rotational position.
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: August 8, 1995
    Assignee: Mory Suntour Inc.
    Inventor: Koichi Tagawa