Patents by Inventor Raghu SRIDHAR

Raghu SRIDHAR 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).

  • Push lifter
    Patent number: 9856681
    Abstract: A push lifter includes a body portion; a rod slidably disposed inside the body portion; an urging portion to urge the rod in a direction away from the body portion; and a rotator disposed rotatably about an axial of the rod at the one end of the body portion to lock or unlock the rod. The rod includes a first rib portion, and a second rib portion distanced from the first rib portion in an axial direction of the rod, to rotate the rotator. The rotator includes an inner cam portion so that when the rod is pressed to slide inwardly of the body portion, the first rib portion abuts against the inner cam portion to rotate the rotator, and when the rod is released to project outwardly from the body portion, the second rib portion abuts against the inner cam portion to rotate the rotator.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: January 2, 2018
    Assignee: NIFCO AMERICA CORP.
    Inventors: Raghu Sridhar, Taku Hirama
  • PUSH LIFTER
    Publication number: 20170362863
    Abstract: A push lifter includes a body portion; a rod slidably disposed inside the body portion; an urging portion to urge the rod in a direction away from the body portion; and a rotator disposed rotatably about an axial of the rod at the one end of the body portion to lock or unlock the rod. The rod includes a first rib portion, and a second rib portion distanced from the first rib portion in an axial direction of the rod, to rotate the rotator. The rotator includes an inner cam portion so that when the rod is pressed to slide inwardly of the body portion, the first rib portion abuts against the inner cam portion to rotate the rotator, and when the rod is released to project outwardly from the body portion, the second rib portion abuts against the inner cam portion to rotate the rotator.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 21, 2017
    Inventors: Raghu SRIDHAR, Taku HIRAMA