Patents by Inventor Te-Chang Cheng

Te-Chang Cheng 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: 7654711
    Abstract: A lamp assembly includes a light module and a stem. The light module includes a reflector, a first fixing plate, a second fixing plated mounted on the first fixing plate and having a plurality of fixing pieces pivotally connected thereon for fixing the reflector between the first fixing plate and the second fixing plate, and a lamp. By rotating the fixing pieces, the reflector is easy to replace. The stem includes a plurality of connecting tubes and connecting assemblies. Each connecting assembly has a male joint with an L-shape projecting and a female joint with an L-shape slot. The male joint is fitted into the connecting tube, and the female joint is fitted into another connecting tube. By engaging the L-shape projection with the L-shape slot, the two connecting tubes can be connected without twisting a wire inside the stem.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: February 2, 2010
    Assignee: Mylar Electronics Co., Ltd.
    Inventor: Te-Chang Cheng
  • Publication number: 20090251904
    Abstract: A lamp assembly includes a light module and a stem. The light module includes a reflector, a first fixing plate, a second fixing plated mounted on the first fixing plate and having a plurality of fixing pieces pivotally connected thereon for fixing the reflector between the first fixing plate and the second fixing plate, and a lamp. By rotating the fixing pieces, the reflector is easy to replace. The stem includes a plurality of connecting tubes and connecting assemblies. Each connecting assembly has a male joint with an L-shape projecting and a female joint with an L-shape slot. The male joint is fitted into the connecting tube, and the female joint is fitted into another connecting tube. By engaging the L-shape projection with the L-shape slot, the two connecting tubes can be connected without twisting a wire inside the stem.
    Type: Application
    Filed: April 8, 2008
    Publication date: October 8, 2009
    Inventor: Te-Chang Cheng