Patents by Inventor Dave Yu

Dave Yu 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).

  • Patent number: 5068973
    Abstract: A multipoint measuring system with measuring mechanism for fast exchanging of chucking appliance and automatic material withdrawal, comprises several slide guides arranged respectively at two side plates to use the three dimensional space to build several sets of measuring components so as to meet the requirement of measuring dimensions synchronously; the measuring implement for fast changing of chucking device and easy operation has a micro adjustment set which is provided at the end of a measuring base, and the said micro adjustment set can make further suitable adjustment to the position of measuring base by means of turning the bolt rod which is arranged on the measuring probe unit, so that it will be more easy, convenient and accurate during resetting operation; an automatic material withdrawal device consists of one set of rocket arm pin and the objects to be measured can be withdrawn to the measuring position by means of the oscillation motion of the said rocker arm pin.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: December 3, 1991
    Inventor: Dave Yu