Patents by Inventor Teiji Ogino

Teiji Ogino 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).

  • Sprocket device with oil lubrication
    Patent number: 4752279
    Abstract: A sprocket device with an oil lubrication comprises: a stationary drum provided with a flange portion and a bearing portion at its side surface; a sprocket provided with tooth portions and thin holes which is provided at opposite sides of the tooth portions and spaced apart from each other and reaching an inner peripheral surface of the sprocket, which sprocket being closely and rotatably mounted on the stationary drum; a gear pump having a pair of gears which are meshed with each other and mounted in the one side surface of said stationary drum, the gear pump being provided with an oil-discharge hole which is formed in the one side surface of the stationary drum and communicated with an oil channel which opens to an outer peripheral surface of the stationary drum, the oil channel being connected with an oil groove axially extending from an opening portion of the oil channel; and a rotary shaft rotatably inserted into the sprocket and stationary drum, and integrally connected with said one of said gears of sa
    Type: Grant
    Filed: June 18, 1987
    Date of Patent: June 21, 1988
    Assignee: Enuma Chain Manufacturing Co., Ltd.
    Inventor: Teiji Ogino
  • Roller chain link construction and method of manufacture
    Patent number: 4494945
    Abstract: A power transmission roller chain link construction comprises a first link pin plate with a pair of spaced apart substantially parallel link pins secured to said plate in a press-fit so that they extend parallel to the plate. A bushing is fitted over each pin and a roller link plate is press-fitted on the bushing adjacent each of its ends. A roller is rotatably mounted on each bushing between the roller link plates. The link pins, link pin portion and a rod portion extending outwardly from each link pin portion beyond the second link plate, the second link plate being press-fitted to the link pin adjacent their opposite ends from the first link plate. The rod portion of each link pin has a threaded area adjacent the second link plate and a nut is threadably engageable on the threaded area. The link is manufactured by first press-fitting the link pins to the first pin link plate thereafter assembling the bushing with the roller link plates at each end over the pin and assembling a bushing between the plates.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: January 22, 1985
    Assignee: Enuma Chain Manufacturing Co., Ltd.
    Inventor: Teiji Ogino