Contour Patents (Class 213/151)
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Patent number: 8714378Abstract: A method for manufacturing a railcar coupler knuckle includes providing a first mold section having internal walls defining at least in part perimeter boundaries of a first coupler knuckle mold cavity. The method includes providing a second mold section having internal walls defining at least in part perimeter boundaries of a second coupler knuckle mold cavity. The second coupler mold cavity of the second mold section is offset from the first coupler mold cavity of the first mold section. The method includes closing the first and second mold sections and at least partially filling the first and second coupler knuckle mold cavities with a molten alloy, the molten alloy solidifying after filling to form the coupler knuckle.Type: GrantFiled: September 17, 2009Date of Patent: May 6, 2014Assignee: McConway & Torley LLCInventors: Michael D. Maxeiner, Anthony J. Sicilia
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Patent number: 8695818Abstract: A core assembly for forming the interior spaces of a railcar coupler knuckle has a first transition section between the C-10 portion of the core and the finger portion of the core. The first transition section has a first side, a second side, a third side and a fourth side and the first and second sides form the vertical axis of the first transition section and the third and fourth sides form the horizontal axis of said first transition section. The vertical axis of the first transition section has a height along a horizontal plane of the vertical axis of at least 2.5? and the horizontal axis of said first transition section has a width along a vertical plane of the horizontal axis of at least 0.925?.Type: GrantFiled: May 20, 2011Date of Patent: April 15, 2014Assignee: Bedloe Industries LLCInventors: F. Andrew Nibouar, Jerry R. Smerecky, Kelly Day, Vaughn Makary, Nick Salamasick
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Patent number: 8418863Abstract: An improved lock for a railroad coupler, said improvement comprising a chamfer on a knuckle shelf seat.Type: GrantFiled: July 13, 2012Date of Patent: April 16, 2013Assignee: Bedloe Industries LLCInventors: Jerry R. Smerecky, Thomas A. Marchese, Eric W. Larson
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Publication number: 20120312768Abstract: An improved lock for a railroad coupler, said improvement comprising a chamfer on a knuckle shelf seat.Type: ApplicationFiled: July 13, 2012Publication date: December 13, 2012Applicant: Bedloe Industries LLCInventors: Jerry R. Smerecky, Thomas A. Marchese, Eric W. Larson
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Patent number: 8302790Abstract: Railway coupler knuckle apparatus are described herein. An example railway coupler knuckle includes a tail portion, a hub portion and a transition portion joining the tail portion and the hub portion. The hub portion includes a generally cylindrical pivot pin passage having a longitudinal axis. The railway coupler knuckle has a cavity formed inside the tail portion and at least a portion of the transition portion and a first wall extends between surfaces of the cavity adjacent the transition portion.Type: GrantFiled: August 13, 2010Date of Patent: November 6, 2012Assignee: Amsted Rail Company, Inc.Inventor: Timothy Dumey
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Publication number: 20090289021Abstract: An improved lock for a railroad coupler, said improvement comprising an increased chamfer on a knuckle shelf seat.Type: ApplicationFiled: May 22, 2009Publication date: November 26, 2009Inventors: Jerry R. Smerecky, Thomas A. Marchese, Eric W. Larson
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Publication number: 20090289022Abstract: An improved coupler body having an area of increased material in the upper lock chamber.Type: ApplicationFiled: May 22, 2009Publication date: November 26, 2009Inventors: Jerry R. Smerecky, Thomas A. Marchese, Eric W. Larson
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Patent number: 5582307Abstract: A railway car coupler includes a knuckle that is rotatable about a pivot pin. The knuckle is comprised of a tail section, a hub and a nose section. The knuckle is usually made of steel in a casting operation. The pivot pin opening in the knuckle is cylindrical with generally straight walls with a reduced diameter centrally located cylindrical relief area. The nose has a blunt end, and a thicker internal reinforcing section is made by having an end of the face core extend a lesser distance toward the pivot pin opening. The transition area between the tail and the nose is formed by parabolic shaped upper and lower sections.Type: GrantFiled: May 8, 1995Date of Patent: December 10, 1996Assignee: AMSTED Industries IncorporatedInventors: V. Terry Hawthorne, Horst T. Kaufhold, George G. Schwinn
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Patent number: 4984696Abstract: An improved railway coupler head is provided having a modified lock chamber which is asymmetrical about its longitudinal center line such that the rear horn wall has a greater length on the guard arm side than the knuckle side of the longitudinal center line and the knuckle side wall has a shorter length than the guard arm side wall. The modified lock chamber creates an increase in the section area of the top face of the coupler head and allows for a reduction in stress concentration as the forces transmitted through the top face are distributed over the increased section area.Type: GrantFiled: December 11, 1989Date of Patent: January 15, 1991Assignee: Amsted Industries IncorporatedInventor: Russell G. Altherr
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Patent number: 4206849Abstract: A railroad car coupler having a knuckle in an open position further includes a lock which rests on a tail portion of the knuckle. By providing a continuous clearance between a leg portion of the lock and an end wall of the knuckle tail portion, lock drop reliability is increased substantially upon the knuckle being swung from the open position to a closed position.Type: GrantFiled: July 20, 1978Date of Patent: June 10, 1980Assignee: AMSTED Industries IncorporatedInventor: John W. Kaim
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Patent number: 4146143Abstract: An automatic coupler of the Janney-type has a guide horn rigidly connected to the coupling head below the knuckle and extends forwardly and laterally with respect to the knuckle. The guide horn is shaped to have on its upper face a plurality of guide and support surfaces. A second plurality of guide and support surfaces are formed on the underside of the rigid catch jaw which is spaced horizontally from the pivotable knuckle. The guide surfaces on the guide horn and underside of the jaw engage respectively guide surfaces on the underside of the jaw and a guide horn of a similar coupler when such couplers are in the coupled position so as to prevent relative vertical displacement of the coupled coupling heads.Type: GrantFiled: September 23, 1977Date of Patent: March 27, 1979Assignee: Knorr-Bremse GmbHInventor: Axel Schelle
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Patent number: 4090615Abstract: An improved coupler knuckle wherein the tail surface contour is formed by a mathematical function curve so that upon closing the portion of the surface, which interfaces with the lock becomes closer to the knuckle pivot thus providing increased clearance for the lock movement.Type: GrantFiled: September 17, 1976Date of Patent: May 23, 1978Assignee: Dresser Industries, Inc.Inventor: Albert Edward Martin
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Patent number: 4024958Abstract: The front face of an Association of American Railroads (A.A.R.) type E coupler knuckle, forward of the knuckle pivot center when the knuckle is in closed position, is formed of intersecting surfaces, one of which slopes rearwardly at an angle of approximately 12.degree. with the other surface and intersects the other surface at a location between the longitudinal axis of the coupler and a line parallel to that axis through the pivot pin hole, thereby ensuring complete closing and locking of the mating knuckles of couplers approaching under maximum angling conditions.Type: GrantFiled: February 17, 1976Date of Patent: May 24, 1977Assignee: Amsted Industries IncorporatedInventor: Horst Thomas Kaufhold
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Patent number: D371342Type: GrantFiled: May 10, 1995Date of Patent: July 2, 1996Assignee: Teracom Components ABInventor: Hans O. Lundback