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Class 171/16 - RAILROAD BALLAST REMOVAL AND ASSORTING OR SEPARATING


Subclass of Class 171 - Unearthing plants or buried objects
Definition: Apparatus in which a means is provided for excavating or
No. of patents: 107
Last issue date: 11/22/2011


1      
NumberTitleIssue Date
8061432Method for rehabilitation of a ballast bed of a track
For the purpose of rehabilitation, a ballast bed of a track is taken up in the form of an upper bed layer by a first clearing device and cleaned. The bulk material accruing in the process is discharged in front of the first clearing device—with regard to the worki...
11/22/2011
7644778Tanks for railway trucks to transport crushed stones, gravel and other materials, particularly for railroad ballast restoring machines, trucks for railroad ballast restoring machines comprising said tanks and process for obtaining said trucks
A truck (1) for a railroad rehabilitation machine comprises a railway truck (3) and a tank (2) resting on the railway truck (3) in a removable manner. The tank (2) comprises a holding structure (5) extending along a predeter...
01/12/2010
7316084Track sledding machine
The invention relates to a machine for use in track sledding operations. Machine (1) comprises a wagon (2) having adjustably carried therebeneath a multibladed plough (3). A rail clamp assembly (4) is included for suspending the track abo...
01/08/2008
7252039Ballast discharge car
A ballast discharge car having at least one non-pivoting transverse conveyor disposed beneath a hopper for distributing the ballast between the rails, near the outside of the rails, and well beyond the outside of the rails in a stockpiling application. The speed, di...
08/07/2007
7076895Apparatus and method for suction and discharge of material
An apparatus for suction and discharge of material comprises a container (9) with a suction opening (19) for letting in a sucked-up air/material mixture and a discharge opening (14) for discharging material. The container (9) is rotatable...
07/18/2006
6981556Ballast excavating chain
An arrangement of an excavating chain for conveying ballast of a track bed comprises a guide comprising a transverse guide section articulately connected to longitudinal guide sections defining a guide channel having an end glide track along which the excavating cha...
01/03/2006
6976324Method of scanning a track bed profile
A method for the contactless scanning of a track bed profile extending perpendicularly to a longitudinal extension of the track, comprises the steps of simultaneously effectuating the scanning and a measurement of any deviation from a desired track level at a locati...
12/20/2005
6966132Method and device for moving subsea rocks and sediments
A method for moving subsea rocks and sediments which can be at significant depths, in connection with removal of protective rocks around installations where maintenance is to be conducted. Tubing with an ejector nozzle is arranged completely externally in relation t...
11/22/2005
6910586System and method for folding conveyors
A hydraulic ram assembly adapted to move parts of a conveyor between a number of pre-defined positions. In one embodiment of the invention, the hydraulic ram assembly consists of a single hydraulic ram, pivotally coupled at one end to the chassis of a trommel, and p...
06/28/2005
6848514Ballast excavating chain
An arrangement of an excavating chain for conveying ballast of a track bed comprises a guide comprising a transverse guide section articulately connected to longitudinal guide sections defining a guide channel having an end glide track along which the excavating cha...
02/01/2005
6782955Track rehabilitation machine
A track rehabilitation machine comprises an elongated machine frame supported on the track by undercarriages for movement in an operating direction, the machine frame having two ends. Mounted on the machine frame are a vertically adjustable endless ballast excavatin...
08/31/2004
6672398Ballast cleaning machine
A ballast cleaning machine comprises a machine frame supported on the track by undercarriages for movement in an operating direction. Two vertically and laterally adjustable endless ballast excavating chains are sequentially arranged in a longitudinal dir...
01/06/2004
6619405Ballast cleaning machine and method
A ballast cleaning machine comprises a first machine frame and a second, trailing machine frame linked thereto. Ends of the machine frames are supported on the track by undercarriages for movement of the machine in an operating direction. A vertically and...
09/16/2003
6058628System for distributing ballast in a track bed
A machine for distributing ballast in a track bed comprises a machine frame supported on the track by undercarriages for mobility in an operating direction, a ballast plow adjustably mounted on the machine frame for distributing the ballast in the track b...
05/09/2000
5937548Machine for withdrawing bulk material from a track
A machine for withdrawing bulk material from a track, in particular ballast aterial, includes a bulk material clearing device vertically adjustably secured to a machine frame and including a rotatable, endless scraper chain positioned between the rails of ...
08/17/1999
5926981Track work machine for excavating material from a track bed
A track work machine for excavating material from a bed supporting a track comprises a machine frame, undercarriages supporting the machine frame on the track for movement in an operating direction, a vertically adjustable endless excavating chain operabl...
07/27/1999
5907914Track maintenance machine
A track maintenance machine for excavating material from a track bed comprises a machine frame comprising an upwardly recessed machine frame section, undercarriages supporting the machine frame on the track for movement in an operating direction, and sequ...
06/01/1999
5802744Method of and an apparatus for reconstructing railway track systems
An apparatus for reconstructing railway track systems while simultaneously clearing away the bed of the old track system. A sliding seal driver is used to secure the trench formed by the removal of the old track foundation as the old track is cleared away...
09/08/1998
5709270Ballast suction machine
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 f...
01/20/1998
5694708Excavating and conveying chain assembly with two-part scraper fingers
An excavating and conveying chain assembly for transporting ballast of a track includes a plurality of chain links hingedly connected to each other for traveling along a transport path. Connected to each chain link is a scraper blade which has a link-dist...
12/09/1997
5664633Machine for treating a ballast bed
A machine for treating a ballast bed underneath a track comprises a machine frame extending in a longitudinal direction and supported on the track by undercarriages for movement in an operating direction, a suction unit mounted on the machine frame, the s...
09/09/1997
5611403Machine for sucking up rail ballast
A suction unit (76) provided with a suction pipe (80) having a suction opening (81) for sucking off crushed rock and being vertically and laterally adjustable is allocated to a machine (57) for treating the ballast bed of a track (60) with a machine frame...
03/18/1997
5566619Method and apparatus for rehabilitating the subgrade supporting a ballast bed
The subgrade supporting a ballast bed for a track is rehabilitated by (a) lifting the track off the ballast bed, removing an upper,portion of the ballast from the ballast bed, comminuting the removed ballast to obtain gravel, storing the gravel, and layin...
10/22/1996
5555941Machine for working with a suction snout on the ballast of a track bed
A machine for working on a ballast bed supporting a track comprises a machine frame, undercarriages supporting the machine frame on the track, and a ballast storage receptacle and a suction arrangement on the machine frame. The suction arrangement compris...
09/17/1996
5553674Ballast cleaning machine
A ballast cleaning machine comprises a machine frame supported on undercarriages running on the track and carrying a ballast screening arrangement, a ballast excavating device including a revolvable excavating chain arranged to deliver excavated ballast t...
09/10/1996
5513452Installation for the rehabilitation of a ballast bed
The installation for the rehabilitation of a ballast bed supporting a track including two rails comprises a first machine, and a second machine, the machines being supported on the track by undercarriages for movement in an operating direction, and the se...
05/07/1996
5511485Method and apparatus for stabilizing a subgrade with additives added through the scarifier
An arrangement for installing a protective layer between a subgrade and a layer of ballast of a track bed includes an excavating unit to remove ballast from underneath the track and a subgrade stabilizing unit by which additives are disposed directly over...
04/30/1996
5502904Mobile machine for withdrawing ballast from a ballast bed
A mobile machine for withdrawing ballast from a ballast bed includes two receptacles, each of which including a separate intake port and discharge outlet, with a suction tube being selectively connectable to the intake ports of the receptacles. In order t...
04/02/1996
5479725Method of and arrangement for rehabilitating a ballast bed of a track
A mobile arrangement for rehabilitating a ballast bed by installing a protective layer between a subgrade and layer of ballast at a construction site of the track includes an excavation unit for continuously removing old ballast from the ballast bed to ex...
01/02/1996
5459951Ballast shoulder cleaner
A ballast machine for plowing ballast from the outer ends of rail supporting cross ties of a railroad bed. A ballast tie plow assembly is mounted to the frame of the ballast machine for vertical movement thereon. The tie plow assembly includes ballast eng...
10/24/1995
5456181Machine for aspirating ballast from a ballast bed
A mobile machine for aspirating ballast from a ballast bed comprises a machine frame extending in a longitudinal direction and supported by undercarriages running on a track. Mounted on the machine frame are a ballast aspirating device comprising a short ...
10/10/1995
5452528Ballast planing machine
A ballast planing machine includes a machine frame supported by undercarriages for movement in an operating direction along a track and comprised of a leading carrier frame which supports a vertically adjustable ballast plow arrangement and a further carr...
09/26/1995
5435081Ballast plow
A ballast plow (1) comprises a machine frame (6) supported on on-track undercarriages (2), with which is associated a center plow (5) which is vertically adjustable by means of drives and on each longitudinal side of the machine a vertically adjustable sh...
07/25/1995
5402547Ballast broom
A ballast broom machine for sweeping ballast off a track comprises an elongated machine frame supported on the track by undercarriages, and at least three ballast brooms vertically adjustably mounted on the machine frame, the ballast brooms being spaced f...
04/04/1995
5394944Installation for the continuous rehabilitation of a ballast bed
An installation for the continuous rehabilitation of a ballast bed comprises an elongated machine frame supported on the track by undercarriages for movement in an operating direction, and mounted on the machine frame are a vertically adjustable ballast e...
03/07/1995
5289648Machine arrangement for receiving, storing and distributing track ballast
A mobile machine arrangement for receiving, storing and distributing track ballast comprises a first machine frame, a second machine frame succeeding the first machine frame in the operating direction, a ballast storage device mounted on the first machine...
03/01/1994
5271166Conveyor chain arrangement for ballast cleaning machine
A conveyor chain arrangement for a track maintenance machine is mounted on the machine frame for receiving and conveying ballast and comprises two separate and independently operable ballast receiving and conveying units at opposite sides of the machine f...
12/21/1993
5257580Arrangement and method for producing a protective layer on the subgrade of a track
A mobile track working machine arrangement comprises two consecutively arranged, independent track working vehicles, each track working vehicle comprising an elongated two-part machine frame, the two parts of the machine frame being linked by a pivot for ...
11/02/1993
5231929Ballast cleaning machine with vibrator attached to track lifting unit for vibrating the unit transversely when replacing track on the ballast
A mobile ballast cleaning machine comprises a machine frame, undercarriages supporting the machine frame for mobility on the track, an excavating chain mounted on the machine frame and arranged to excavate the ballast to expose the subgrade, a ballast scr...
08/03/1993
5183118High-capacity ballast reconditioning apparatus
Apparatus for excavating ballast from adjacent to the ends of and beneath the cross ties of a railroad bed and for cleaning the excavated ballast for return thereof to the railroad bed. The apparatus includes a vehicle for supporting a pair of excavating ...
02/02/1993
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