Patents Examined by Vanessa Roberts
  • Patent number: 4986439
    Abstract: A self-closing cap for the filler neck of liquid containers, consisting of a closure ring having an annular seal, said ring being attachable to said filler neck, and of a spring-biased closure flap swivel-mounted on said closure ring and provided with a seal, wherein said closure flap is swivel-mounted with two bearing arms to a shaft supported by a bearing block inserted in a recess on the housing ring and wherein a locking spring seated on said shaft of said bearing block biases said closure flap, with one on end of said spring engaging said closure flap or a bearing arm and the other end engaging said bearing block.
    Type: Grant
    Filed: November 21, 1989
    Date of Patent: January 22, 1991
    Inventors: Siegfried Ott, Friedrich Wimmer
  • Patent number: 4960218
    Abstract: A plug body having an inner cylindrical member with short engagement receivers and long engagement receivers together with steps, an operating button with short engaging elements and long engaging elements that are respectively received by the short engagement receivers and long engagement receivers, a rotatable slider provided with protrusions, a valve body with a valve stem which is inserted into the rotatable slider and the inner cylindrical member, a spring that preloads the rotatable slider upwards so that the long and short engaging elements of the operating button alternatively make contact with the protrusions, causing the rotatable slider to rotate with a depression of the operating button. The liquid passage is opened when the long engaging elements of the operating button make contact with the protrusions of the rotatable slider. In this case, the operating button protrudes upward above the upper lid of the liquid container.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: October 2, 1990
    Assignee: Nippon Sanso Kabushiki Kaisha
    Inventors: Shouji Toida, Kazunori Iwasaki, Toru Goto, Shigeru Tsuchiya