| Patent Number |
Title Of Patent |
Date Issued |
| RE31619 |
Sweeper bristle and method of making |
July 3, 1984 |
| A bristle for use in a railway roadbed broom is disclosed. The bristle is made of an elongate elastomeric core member with two elastomeric skin members bonded around it. Pieces of reinforcing stranded material are used to strengthen the interfaces between the elastomeric members. |
| 5579553 |
Ballast broom with auger and method |
December 3, 1996 |
| A railroad ballast broom vehicle uses a double or split auger to move ballast received from a rotary core broom. The auger has various features to minimize the risk of it jamming on ballast which it moves to the field side of rails of the railroad bed which is being swept. Flex plates ar |
| 5394586 |
Ballast sweeper dust control |
March 7, 1995 |
| A railroad ballast sweeper controls dust by use of a double segmented skirt arrangement. Segments of elastic, flexible material extend downwardly from a housing in which a rotary broom is disposed. The skirts prevent leakage of dust-laden air out from the housing. Further, a fan and asso |
| 5331899 |
Tie plate manipulator vehicle and method |
July 26, 1994 |
| Tie plates are moved between a position on a tie plate manipulator vehicle and a track position, which is under a rail and above a tie. A magnetic wheel is used in conjunction with a rail lifter. The rail lifter lifts the rail while the magnetic wheel installs or removes a tie plate from |
| 4940001 |
Rail spike cleaning apparatus |
July 10, 1990 |
| A rail spike cleaning apparatus includes a tumbler and an arrangement whereby the tumbler is automatically loaded and unloaded. The tumbler is a continuous tumbler in that it is operable to receive spikes continuously while it is tumbling and operable to automatically discharge cleaned |
| 4903611 |
Anchor spreader apparatus and method |
February 27, 1990 |
| Rail anchors used to secure rails to ties are spread by pushing on the tie plates immediately adjacent to the anchors. A pair of hydraulic cylinders are disposed upon a common rod and are used to push a tie plate in opposite directions, thereby spreading each of two anchors associated wi |
| 4722283 |
Magnetic pick up system for rail beds and method |
February 2, 1988 |
| A magnetic pick up system for tie plates uses a pick up head having a rotatable wheel with a plurality of fingers pivotably attached to the wheel. The fingers, which are magnet pole pieces adapted to magnetically grip tie plates and lift them from the ground, are pulled outwardly by |
| 4691639 |
Rail tie plate placing vehicle and method |
September 8, 1987 |
| A railroad tie plate placing vehicle uses a crawler track to place plates upon rail ties. The crawler track is meshed to a magnetic wheel which holds tie plates to the crawler track until the tie plates have actually contacted a tie. The crawler track at least partially propels the vehic |
| 4561198 |
Method and apparatus for scarifying a railroad crib |
December 31, 1985 |
| A railroad scarifying device is adapted to automatically distinguish between ballast and ties. The device includes a mounting piece or drum on which a plurality of hammer arms are pivotably attached. The hammer arms are pulled outwardly by the centrifugal force of rotation of the drum an |
| 4478152 |
Railroad scrap pick up machine |
October 23, 1984 |
| A railroad scrap pick up machine includes a magnetic wheel and transversely extending support arm or beam which pivots in a plane transverse to the right and left sides of the machine. The magnetic wheel may alternately be mounted on the left or right side of the machine for picking up l |
