Patents by Inventor Yi-Qun Cheng

Yi-Qun 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).

  • Height-adjusting device
    Patent number: 7669345
    Abstract: An exemplary height-adjusting device (10) includes a base (12), a sliding block (14) and at least one fixing member (18). The base has a sliding slot (122) defined therein and a first sidewall (123), a second sidewall (124), a third sidewall (125), and a fourth sidewall (126) surrounding the sliding slot. At least one fixing hole (1232) defined in the first sidewall. The at least one fixing hole communicates with the sliding slot. The sliding block is slidably received in the sliding slot and partly protruding outwardly from the sliding slot. At least one fixing member cooperates with the at least one fixing hole to selectively fix the sliding block in the base.
    Type: Grant
    Filed: December 29, 2007
    Date of Patent: March 2, 2010
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventor: Yi-Qun Cheng
  • HEIGHT-ADJUSTING DEVICE
    Publication number: 20090067945
    Abstract: An exemplary height-adjusting device (10) includes a base (12), a sliding block (14) and at least one fixing member (18). The base has a sliding slot (122) defined therein and a first sidewall (123), a second sidewall (124), a third sidewall (125), and a fourth sidewall (126) surrounding the sliding slot. At least one fixing hole (1232) defined in the first sidewall. The at least one fixing hole communicates with the sliding slot. The sliding block is slidably received in the sliding slot and partly protruding outwardly from the sliding slot. At least one fixing member cooperates with the at least one fixing hole to selectively fix the sliding block in the base.
    Type: Application
    Filed: December 29, 2007
    Publication date: March 12, 2009
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., SUTECH TRADING LIMITED
    Inventor: YI-QUN CHENG