Patents by Inventor Chao Lin Chen

Chao Lin Chen 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: 20050141957
    Abstract: A fixture for securing an umbrella to a chair includes a first clip, a second clip, a connector nod, a pulling rod, a cam rod, a pin, and a spring. The pin is inserted through the spring and connects with the first clip and the second clip at respective ends. The first clip has a hole at the center. The connector nod has a spherical socket at one end and a connecting end at the opposite end. The spherical socket has an opening at the outer end and a notch at one side and a ditch at the opposite side thereof. The notch is interconnected with the opening. The ditch extends all the way to the connecting end, which urges the connecting end to insert into the hole of the first clip. The pulling rod is inserted through the first clip and the second clip and connected with the cam rod at one end.
    Type: Application
    Filed: December 24, 2003
    Publication date: June 30, 2005
    Inventor: Chao-Lin Chen
  • Publication number: 20050126612
    Abstract: An adjustable fixture for an umbrella includes a sleeve, a cam handle, and a block incorporated with an inner rod and an outer rod of the umbrella. The outer rod is inserted within the sleeve while the inner rod is inserted within the outer rod. The sleeve comprises a connecting wall bossing out from one side of the sleeve and holes on the same side exposing from the connecting wall. The cram handle has a cram at one end pivotally connected to the connecting wall by a pin. The block is located between the cram of the cram handle and the holes of the sleeve. Springs are located between the block and the outer rod. The block is urged by the springs towards the cam of the cam handle. When pushing down the cam handle, the cam urges the block to tighten the inner rod firmly.
    Type: Application
    Filed: December 12, 2003
    Publication date: June 16, 2005
    Inventor: Chao-Lin Chen
  • Patent number: 6246838
    Abstract: A camera includes a casing having an optical device disposed in the front portion and a film disposed in the rear portion. One or more image sheets are detachably securing to the middle portion of the casing and between the film and the optical device by magnetic members. The magnetic members of the casing or the magnetic members of the image sheets are different from each other for checking the image sheets at the correct position. The casing includes a window having an additional image sheet for checking whether the image sheets are at the correct position.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: June 12, 2001
    Inventor: Chao Lin Chen
  • Patent number: 6052868
    Abstract: This invention relates to an improved umbrella handle with a hanging loop, wherein the hanging loop is capable of being winded around the handle and being fixed securely. The umbrella handle is provided a spiral concave groove of the surface which can be winded by the loop for obtaining a merged connection. A fixing ring is provided around the loop and is slidable to control a secure connection between the loop and the handle or to be released.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: April 25, 2000
    Inventor: Chao-Lin Chen
  • Patent number: D428694
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: August 1, 2000
    Inventor: Chao-Lin Chen