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:
Sep. 11, 1990
Filed:
Jun. 30, 1989
Abstract
A machine for exchanging old ties for new ties, which comprises a self-propelled standard railroad vehicle comprising a machine frame, undercarriages supporting the machine frame for mobility on the railroad track, a drive for advancing the vehicle in an operating direction, and an operator's cab. A tie exchanging device is connected to the machine frame and arranged within sight of the operator's cab, the tie exchanging device being operable for withdrawing the old ties and inserting the new ties and comprising a longitudinally adjustable tie gripping means including a tie clamp, a drive for longitudinally adjusting the tie gripping means, and respective drives for vertically adjusting and for operating the tie clamp between tie engaging and tie releasing positions. A drive is connected to the tie exchanging device for longitudinally displacing the device in the operating direction with respect to the machine frame, and a vertical tie conveyor is connected to the machine frame and arranged adjacent the tie exchanging device.