| Patent Number |
Title Of Patent |
Date Issued |
| 6796448 |
Railcar draft gear housing |
September 28, 2004 |
| A railcar draft gear housing formed from an austempered ductile iron casting having an original shape and including an open end, a closed end, and wall structure axially extending between the housing's ends. The wall structure of the housing defines an axial section between and spaced fr |
| 6520360 |
Housing for draft gear |
February 18, 2003 |
| A housing for a railroad car draft gear is disclosed. The draft gear housing has an axially elongated tubular portion comprised of layers. At least one of the layers of the draft gear housing is formed from a filament wound structure or composite material, and an additional layer may |
| 5868384 |
Composite elastomeric spring |
February 9, 1999 |
| A composite elastomeric spring having a predetermined final shape and including a first member of elastomeric material having a first durometer hardness and a second member of elastomeric material having a second durometer hardness is disclosed. The second member has a predetermined |
| 5312007 |
Slackless railway coupler with draft/buff gear |
May 17, 1994 |
| A slackless railcar coupler assembly, which is mountable in a railcar center sill, has a draft gear subassembly operable against a rear stop, and a slackfree coupler apparatus mounted in a coupler pocket forward of said draft gear subassembly, which subassembly and apparatus are connecte |
| 5104101 |
Buffer cartridge |
April 14, 1992 |
| A buffer cartridge for absorbing energy having a hydraulic component coupled with an energy-absorbing material component, the hydraulic component having a cylinder-piston arrangement, the cylinder being surrounded by a stack of pads made from resilient energy-absorbing material, each |
| 4566678 |
Polymeric apparatus and method of making the same |
January 28, 1986 |
| A method of producing useful hollow bodies and the resulting products. The hollow bodies are formed by providing a block of thermoplastic elastomer material having a selected initial axial height and providing the block with a selected axial core opening. An axial force is applied to sai |
| 4198037 |
Method of making polyester elastomer compression spring and resulting product |
April 15, 1980 |
| A preform is made by casting a copolyester polymer elastomer into a block. While the block is solidifying, pressure is supplied to the central portion thereof. After a block is formed, it is annealed and a precompression force is applied thereto sufficient to compress the block to an |
| 4074813 |
Telescopic draft gear |
February 21, 1978 |
| A hollow plunger extends into the cavity of the draft gear body. The inner end of the plunger is expansible. One or more wedges are held by the body adjacent the inner end of the plunger, and shoes are positioned between the wedge(s) and the inner side of the inner end of the plunger. Sp |
