Patents by Inventor Binglu Qiu

Binglu Qiu 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: 11970902
    Abstract: A rotary positioning adjustment device includes a shaft sleeve and a connecting rod. A reel is fixedly connected with an end of the connecting rod; a fixed seat is sleeved on the connecting rod; the reel is arranged in the fixed seat; and a power storage assembly is installed in the shaft sleeve. The power storage assembly includes a power input piece, a second torsion spring and a power output piece; a first support leg of the second torsion spring is connected in a hooked mode with one side of an input block of the power input piece, and a second support leg of the second torsion spring is connected in a hooked mode with the other side of the input block. A curtain includes the rotary positioning adjustment device.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 30, 2024
    Assignee: LANTEX WINDOW FASHIONS CO., LTD
    Inventors: Jianming Yu, Binglu Qiu, Chaozhong Wang
  • Publication number: 20220341258
    Abstract: A rotary positioning adjustment device and a curtain with the same are provided. The rotary positioning adjustment device includes a shaft sleeve (303) and a connecting rod (1). A reel (304) is fixedly connected with an end of the connecting rod (1); a fixed seat (305) is sleeved on the connecting rod (1); the reel (304) is arranged in the fixed seat (305); and a power storage assembly is installed in the shaft sleeve (303). The power storage assembly includes a power input piece (300), a second torsion spring (301) and a power output piece (302); a first support leg (315) of the second torsion spring (301) is connected in a hooked mode with one side of an input block (314) of the power input piece (300), and a second support leg (316) of the second torsion spring (301) is connected in a hooked mode with the other side of the input block (314). The rotary positioning adjustment device further includes a first torsion spring (310).
    Type: Application
    Filed: September 14, 2020
    Publication date: October 27, 2022
    Inventors: Jianming Yu, Binglu Qiu, Chaozhong Wang