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Knuckle And Knuckle Pins

Knuckle And Knuckle Pins patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Railway Draft Appliances


Couplings > Counterpart > Interengaging Hooks And Knuckles > Horizontally Swinging > Janney Type > Knuckle And Knuckle Pins



Railway vehicle coupler
12/11/14 - 20140360963 - A railcar coupler having a head portion extending from a shank portion, the coupler head portion is configured to couple to a first coupler knuckle for coupling the railcar coupler to a second railcar coupler of an adjacent railcar. The coupler has weight reduction features that also are configured to...

Railcar coupler core with vertical parting line and method of manufacture
10/30/14 - 20140319092 - A method of casting a core includes the steps of preparing a first half of a corebox, preparing a second half of a corebox such that the parting line of a core formed from the first and second coreboxes runs along the vertical axis of the core....

Process for producing a coupler knuckle and improved coupler knuckle
08/07/14 - 20140217051 - A process for producing a coupler knuckle and an improved coupler knuckle design are provided. The process produces a coupler knuckle by constructing a mold having the shape of the coupler knuckle. The mold is coated with a material that is resistant to melting at the molten melt temperatures of...

Coupler knuckle
08/07/14 - 20140217052 - An improved coupler knuckle with an improved interior configuration for handling forces imparted on the knuckle and transferring said imparted forces through the knuckle and improving handling of linear force loads and their transmission the interior having a force handling structure that includes spaced apart layers and cavities, with a...

Railcar coupler knuckle cores and knuckles produced by said cores
07/31/14 - 20140209554 - A knuckle may include a throat portion having a throat side wall with at least three sections, a first section closest to the knuckle tail, a third section closest to the knuckle pulling face, and a second section between said first and third sections. The wall thickness of said first...

Coupler knuckle
05/01/14 - 20140116976 - An improved coupler-knuckle assembly is comprised of a coupler body, a knuckle, and at least two knuckle retainer plugs. The knuckle has an internal coring geometry that increases the cross-sectional area of the throat portion of the knuckle compared to previous designs. The present invention's knuckle design includes a top...

Coupler knuckle pin
04/24/14 - 20140110368 - An improved polymeric knuckle pin with at least one indented area that elastomer rings rest in. The indented area is strategically placed in an area on the shaft of the pin where the coupler-knuckle connection exerts impact, force, and stress on the pin. The elastomer rings in the indented area...

Knuckle pin for railway car coupler
10/24/13 - 20130277325 - An improved knuckle pin for use in a railway car coupling is illustrated and described. In one example, the pin comprises a shank extending along a longitudinal axis and having a first end. A head is positioned on the first end of the shank, and includes an abutment surface and...

Railcar coupler knuckle cores with rear core support
11/22/12 - 20120292280 - A core assembly for creating interior spaces in a railcar coupler knuckle is designed to be set in a cavity with cope and drag sections. The cavity is shaped to form a railcar coupler knuckle and includes a first wall that forms the substantially vertical outside wall of the tail...

Railcar coupler core with vertical parting line and method of manufacture
11/22/12 - 20120292281 - A method of casting a core includes the steps of preparing a first half of a corebox, preparing a second half of a corebox such that the parting line of a core formed from the first and second coreboxes runs along the vertical axis of the core....

Railcar coupler knuckle cores and knuckles produced by said cores
11/22/12 - 20120292282 - 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...

Knuckle formed from pivot pin and kidney core and isolated finger core
09/13/12 - 20120228256 - A railroad coupler knuckle includes a single, solid rib at a horizontal centerline of the knuckle that passes through a pivot pin hub thereof. The single, solid rib extends generally from a flag hole of a finger cavity of the knuckle to an opposite side of the knuckle from the...

Knuckle formed without a finger core
08/30/12 - 20120217217 - A method for manufacturing a railcar coupler knuckle includes providing a cope mold portion and a drag mold portion, the cope and drag mold portions having internal walls defining at least in part perimeter boundaries of a coupler knuckle mold cavity, wherein the mold cavity includes a finger section; positioning...

Railway coupler knuckle
02/16/12 - 20120037586 - 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...

Knuckle formed through the use of improved external and internal sand cores and method of manufacture
01/05/12 - 20120000877 - A method for manufacturing a railcar coupler knuckle, said method includes providing a cope mold portion and a drag mold portion. The cope and drag mold portions have internal walls that define at least in part perimeter boundaries of a coupler knuckle mold cavity. At least one chill core is...

Coupler knuckle system and method
11/03/11 - 20110266242 - 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...

Knuckle for a railway car coupler
03/24/11 - 20110068077 - A knuckle for a railway coupler system is made without internal voids or cores. Instead, external pockets are formed on the front face and tail portion surface to reduce weight. The knuckle is formed by investment casting, which permits a pulling face to be provided without a draft angle or...

Knuckle formed without a finger core
12/03/09 - 20090294395 - A method for manufacturing a railcar coupler knuckle includes providing a cope mold portion and a drag mold portion, the cope and drag mold portions having internal walls defining at least in part perimeter boundaries of a coupler knuckle mold cavity, wherein the mold cavity includes a finger section; positioning...

Knuckle formed from pivot pin and kidney core and isolated finger core
11/26/09 - 20090289023 - A method for manufacturing a railcar coupler knuckle includes providing cope and drag mold portions having internal walls defining at least in part perimeter boundaries of a knuckle mold cavity; positioning a first internal core within either the cope mold or the drag mold portions, the first internal core configured...

Plastic knuckle pin lock
03/12/09 - 20090065463 - The KNUCKLE PIN LOCK is designed to fit an American Association of Railroads articulated locklift assembly's connector and up the bottom part of the attached toggle to a point where it would contact the bottom of the lock of the rail car knuckle. When the knuckle is in the closed...