Patents Assigned to Cosmo Precision Machine, Inc.
  • Patent number: 8177668
    Abstract: The present invention provides a dart having a durable and break-resistant structure. A dart in accordance with an embodiment of the present invention has, in order from the front thereof, a tip, a barrel, a shaft, and a flight. At the rear of the shaft, a cap-receiving portion having a diameter smaller than that existing elsewhere is formed, this cap-receiving portion being capable of receiving a cap-like portion of the flight. At the front end of the flight, a hollow cylindrical cap-like portion containing a hole for attachment to the cap-receiving portion of the shaft is formed. The shaft and the flight are connected to each other by a sliding engagement method.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: May 15, 2012
    Assignee: Cosmo Precision Machine, Inc.
    Inventor: Hiroaki Matsubara
  • Publication number: 20100062882
    Abstract: The present invention provides a dart having a durable and break-resistant structure. A dart in accordance with an embodiment of the present invention has, in order from the front thereof, a tip, a barrel, a shaft, and a flight. At the rear of the shaft, a cap-receiving portion having a diameter smaller than that existing elsewhere is formed, this cap-receiving portion being capable of receiving a cap-like portion of the flight. At the front end of the flight, a hollow cylindrical cap-like portion containing a hole for attachment to the cap-receiving portion of the shaft is formed. The shaft and the flight are connected to each other by a sliding engagement method.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 11, 2010
    Applicant: Cosmo Precision Machine, Inc.
    Inventor: Hiroaki Matsubara