Bar Bolts And Splice Keys Patents (Class 238/251)
  • Publication number: 20070283838
    Abstract: A tour and leisure cart management system capable of allowing large numbers of tourists to access nature reserves without damaging ecologically sensitive areas. The cart system is installed in areas having excellent views, places where various memorials or educational materials are displayed, nature reserves where wildlife lives and access is restricted, undeveloped areas that are difficult to access, swamps which are difficult to access using typical vehicles and so on, in order to enable tours of various natural features, animals, plants and educational materials, without incurring high construction costs for road construction and rail installation.
    Type: Application
    Filed: April 27, 2007
    Publication date: December 13, 2007
    Inventor: Mu Young Hwang
  • Publication number: 20040056108
    Abstract: A railway rail fastening clip (3), for fastening a railway rail (1) to an underlying rail foundation (2), is formed of an elongate plate shaped such that a central region (31) of the plate has in profile the form of a letter C, a first end region of the plate extending from one side of the central portion (31) of the plate to form a base portion (32) of the clip (3) for engaging a rail fastening anchoring device (4) secured to the rail foundation (2) and a second end region of the plate extending from the opposite side of the central region (31) of the plate to form a toe portion (33) of the clip (3) for bearing on the railway rail (1). The toe portion (33) of the clip (3) is provided with insulator retaining means (34) for retaining thereon a toe insulator (5) for electrically insulating the clip (3) from the rail (1).
    Type: Application
    Filed: September 17, 2003
    Publication date: March 25, 2004
    Inventors: Barry Marshall, Christopher Gardner, Lee Michael Chapman
  • Patent number: 4289274
    Abstract: A rail length and rail joint is described which avoids the use of bolts, the rail length comprising basically a fastening element secured at each rail end to be joined, the element being provided with a through bore extending parallel to the longitudinal axis of the associated rail length and a projection located in a position in which it intersects the bore and being radially displaceable to a location in which it lies clear of the bore. The rail length may be provided at each end with such a fastening element, one constituting a male element and the other a female element, the rail joint incorporating abutting male and female elements and a necked connecting pin.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: September 15, 1981
    Assignee: Gyro Mining Transport Limited
    Inventors: Richard C. Hudson, Andrew W. Howarth