The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 1977
Filed:
Jan. 24, 1975
Applicant:
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
104-2 ; 104-3 ; 104-6 ; 104137 ; 1052 / ;
Abstract
A train assembly for replacement of an old rail track by a new one with long rails comprises a permanently coupled train section including an open-frame wagon with rails carrying gantries for removal of track panels through the open frame and placing new cross-ties. The open-frame wagon has a bogie able to run on the track but retracted during operation and replaced by caterpillar tracks running on the ballast, or by rollers running on the new rails placed temporarily beside the track. The new rails are then brought together and fixed on the newly-placed cross-ties, so that the rear part of the train assembly runs on the new track whereas the front part runs on the old track.