Patents Assigned to JPF Works Co., Ltd.
  • Patent number: 7896212
    Abstract: A gas combustion type coil nailer is provided with (a) a main body (1) which is provided with combustion chamber; (b) a head part (3) which is disposed on the front surface of this; and (c) a magazine 4 which is disposed on the bottom surface of the head part (3) so that it can be attached and detached easily. A coil shaped nail connecting body is loaded onto the magazine (4). The head part (3) is provided with (d) a guide tube (35) through which the rod (17) and the nail n pass; and (e) with a feed motor (47). The nail connecting body N is fed to the guide tube (35) by a feed gear which is driven by the feed motor (47). Power is supplied to the feed motor (47) from a battery. The rod (17) is driven and the nail is fed by separate motive forces so that the nail can be fed reliably without adversely affecting the accuracy and reliability of the driving capacity of the rod (17).
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: March 1, 2011
    Assignee: JPF Works Co., Ltd.
    Inventors: Yasutsugu Uejima, Keiji Yamakawa
  • Publication number: 20080251559
    Abstract: A gas combustion type coil nailer is provided with (a) a main body (1) which is provided with combustion chamber; (b) a head part (3) which is disposed on the front surface of this; and (c) a magazine 4 which is disposed on the bottom surface of the head part (3) so that it can be attached and detached easily. A coil shaped nail connecting body is loaded onto the magazine (4). The head part (3) is provided with (d) a guide tube (35) through which the rod (17) and the nail n pass; and (e) with a feed motor (47). The nail connecting body N is fed to the guide tube (35) by a feed gear which is driven by the feed motor (47). Power is supplied to the feed motor (47) from a battery. The rod (17) is driven and the nail is fed by separate motive forces so that the nail can be fed reliably without adversely affecting the accuracy and reliability of the driving capacity of the rod (17).
    Type: Application
    Filed: March 30, 2005
    Publication date: October 16, 2008
    Applicant: JPF WORKS CO., LTD.
    Inventors: Yasutsugu Uejima, Keiji Yamakawa
  • Publication number: 20080210734
    Abstract: In a gas combustion type nail driving device, a head part (3) which is disposed on the front surface of the main body is provided with (a) a guide tube (35) through which a rod (17) and a nail n pass; (b) a main guide body (36) on which the guide tube (35) is disposed; (c) a subguide (37) which makes a pair with the main guide body (36) and forms a nail feed space; (d) a feed motor (48); and (e) a gear unit (46) which is driven by the feed motor (47). The nail connecting body N is fed to the guide tube (35) by the feed gear (73).
    Type: Application
    Filed: March 30, 2005
    Publication date: September 4, 2008
    Applicant: JPF WORKS CO., LTD.
    Inventors: Yasutsugu Uejima, Keiji Yamakawa