Patents by Inventor HUI JUN CHIN

HUI JUN CHIN 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).

  • Publication number: 20220106760
    Abstract: The present invention discloses an apparatus (100) for tracing pile set during pile driving of a pile (150) comprising: a panel (110) for attaching to the pile (150); a rotatable holding mechanism (120) with remotely controllable function for holding a writing instrument (160) against the panel (110) to trace the pile set for at least a series of blows during the pile driving; a sliding mechanism (130) with remotely controllable function, which slides on a pair of bearing strips (131?, 131?) to provide lateral movement of the holding mechanism (120) across the panel (110) after each blow of the pile driving; and a platform (140) with groves for holding the bearing strips (131?, 131?) in place for allowing the sliding mechanism (130) to slide freely in multiple directions; characterized in that, the holding mechanism has a rotatable lever arm (126) which is secured by a resilient means (129?) to reduce excess vibration so that the writing instrument (160) is held in a still position while allowing the lever ar
    Type: Application
    Filed: February 12, 2019
    Publication date: April 7, 2022
    Inventors: JIA YI CHIN, HUI JUN CHIN