Pipe Layer Apparatus

Information

  • Patent Application
  • 20070267376
  • Publication Number
    20070267376
  • Date Filed
    March 11, 2003
    21 years ago
  • Date Published
    November 22, 2007
    17 years ago
Abstract
The pipelayer crane apparatus (10) comprises a lower, the lower comprising a lower frame (100), a pedestal, a lower bearing portion, a telescoping axle, a track roller, and a track shoe, an upper, the upper (200) comprising a frame, a body, a cab, a pedestal, a upper bearing portion, and a counterweight, a lifting assembly, the lifting assembly (300) comprising an adjacent portion, a remote portion, a joint, and a weldment (400), the weldment comprising a body, an extension, a winch, and securing members. A method for a pipelayer crane apparatus to rotate about the track shoes comprising a lower, the lower having a pedestal attached to a lower bearing surface; an upper, the upper having a pedestal attached to a upper bearing portion; bearing formed by the interaction of the upper bearing surface and the lower bearing surface; a pipe lifting assembly, the pipe lifting assembly attached to a weldment, the weldment attached to the upper, and the upper rotating about the bearing formed by the upper bearing surface and the lower bearing surface.
Description

Be it known that I, Daniel E. Davis, a citizen of the United States of America, residing at Harlingen, Tex. have invented a new, original and ornamental design for a PIPELAYER, of which the following is a specification, reference being made to the accompanying drawings which form a part thereof.







DESCRIPTION


FIG. 1 is a perspective view of the pipelayer of the present invention rotated 90 degrees.



FIG. 2 is a side view of the pipelayer of the present invention as illustrated in FIG. 1.



FIG. 3 is a front view of the pipelayer of the present invention as illustrated in FIGS. 1 and 2.



FIG. 4 is a perspective view of the pipelayer of the present invention rotated 90 degrees as illustrated in FIG. 1.



FIG. 5 is a perspective view of the pipelayer of the present invention.



FIG. 6 is a perspective view of the pipelayer of the present invention illustrated in FIG. 5 rotated 90 degrees.



FIG. 7 is a perspective view of the pipelayer of the present invention illustrated in FIG. 5 rotated 45 degrees.



FIG. 8 is a perspective view of the pipelayer of the present invention similar to the embodiment illustrated in FIG. 5 rotated 45 degrees.

Claims
  • 1. The ornamental design for a pipelayer, substantially as shown and described.
PCT Information
Filing Document Filing Date Country Kind 371c Date
PCT/US03/07613 3/11/2003 WO 6/6/2007