Patents by Inventor Ryosuke Takei

Ryosuke Takei 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).

  • Rack and pinion mechanism
    Patent number: 9469333
    Abstract: A rack and pinion mechanism includes: a pinion shaft at which pinion teeth are formed; a rack shaft at which rack teeth to be engaged with the pinion teeth are formed; a pressing portion arranged at a side of the rack shaft opposite to a side of the rack shaft at which the rack teeth are formed and pressing the rack shaft toward the pinion shaft; a first elastic body biasing the pressing portion in a direction approaching the pinion shaft by an elastic restoring force; and a second elastic body biasing the pressing portion in a direction away from the pinion shaft by an elastic restoring force, and a first biasing force with which the first elastic body biases the pressing portion is larger than a second biasing force with which the second elastic body biases the pressing portion in an initial state.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: October 18, 2016
    Assignee: SHOWA CORPORATION
    Inventor: Ryosuke Takei
  • RACK AND PINION MECHANISM
    Publication number: 20160229443
    Abstract: A rack and pinion mechanism includes: a pinion shaft at which pinion teeth are formed; a rack shaft at which rack teeth to be engaged with the pinion teeth are formed; a pressing portion arranged at a side of the rack shaft opposite to a side of the rack shaft at which the rack teeth are formed and pressing the rack shaft toward the pinion shaft; a first elastic body biasing the pressing portion in a direction approaching the pinion shaft by an elastic restoring force; and a second elastic body biasing the pressing portion in a direction away from the pinion shaft by an elastic restoring force, and a first biasing force with which the first elastic body biases the pressing portion is larger than a second biasing force with which the second elastic body biases the pressing portion in an initial state.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 11, 2016
    Applicant: SHOWA CORPORATION
    Inventor: Ryosuke TAKEI
  • Mounting structure of shaft to be tested on a balancer
    Patent number: 7083521
    Abstract: A mounting structure of a shaft to be tested (the propeller shaft) to a balancer discloses: a centering shaft provided on a center axis of the mounting surface plate which can be fitted to a bearing provided on a center axis of the flexible coupling, wherein the flexible coupling and the mounting surface plate can be faucet connected by one of a plurality of bolt mounting portions provided at a plurality of positions in a peripheral direction of the flexible coupling.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: August 1, 2006
    Assignee: Showa Corporation
    Inventor: Ryosuke Takei
  • Mounting structure of shaft to be tested on a balancer
    Publication number: 20030022720
    Abstract: A mounting structure of a shaft to be tested (the propeller shaft) to a balancer discloses: a centering shaft provided on a center axis of the mounting surface plate which can be fitted to a bearing provided on a center axis of the flexible coupling, wherein the flexible coupling and the mounting surface plate can be faucet connected by one of a plurality of bolt mounting portions provided at a plurality of positions in a peripheral direction of the flexible coupling.
    Type: Application
    Filed: March 7, 2002
    Publication date: January 30, 2003
    Inventor: Ryosuke Takei