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. 20, 1998
Filed:
Feb. 21, 1997
Abstract
A machine for aspirating ballast from a bed supporting a track comprises a machine frame and undercarriages supporting the machine frame on the track for mobility therealong. A vacuum generator and a ballast storage receptacle are mounted on the machine frame. A suction tube is connected to the vacuum generator, the suction tube terminating in a tubular end section having a longitudinal axis and defining a suction opening at one end thereof for aspirating the ballast, the tubular end section being rotatable about the longitudinal axis. A displacement mechanism attaches the suction tube to the machine frame for vertically and transversely displacing the tubular suction tube end section, the displacement mechanism comprising drives for vertically and transversely displacing the tubular suction tube end section, and a drive is provided for rotating the tubular suction tube end section in a direction of rotation.