US3856153A - Coupler yoke with draft gear removal means - Google Patents
Coupler yoke with draft gear removal means Download PDFInfo
- Publication number
- US3856153A US3856153A US00453624A US45362474A US3856153A US 3856153 A US3856153 A US 3856153A US 00453624 A US00453624 A US 00453624A US 45362474 A US45362474 A US 45362474A US 3856153 A US3856153 A US 3856153A
- Authority
- US
- United States
- Prior art keywords
- yoke
- aperture
- draft gear
- rear wall
- longitudinal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/20—Details; Accessories
- B61G9/22—Supporting framework, e.g. cradles; Spring housings
Definitions
- ABSTRACT A yoke for use in draft rigging of railway cars having a compressing means built into the butt of the yoke to facilitate compression of a draft gear contained within the yoke to shorten it for entry into or removal from the draft gear pocket.
- One removal method which can develop the necessary force to effect removal involves a hydraulic tool which compresses the draft gear from the front end while being anchored in the yoke head key or pin openings.
- the problem with this method is that the yoke is pulled forward to the full extent and cannot belowered past the coupler carrier portion of the striker casting because of physical interference.
- Another object is to provide a means to precompress a draft gear for removal from the pocket in such a manner as to cause the front end of the yoke to clear the coupler carrier portion of the striker casting.
- a further object is to provide an installation and removal means for high capacity draft gears that is safe to personnel and non-damaging to the components.
- FIG. 1 is an elevation view of the yoke in an operative position
- FIG. 2 is a plan view of the yoke illustrated in FIG.
- FIG. 3 is a plan view in partial cross-section illustrating the yoke in an operative position within the draft gear pocket in a car sill; and a FIG. 4 is an exploded view, in perspective of another embodiment of the invention.
- a yoke for use in draft rigging of railway cars.
- the yoke includes a pair of vertically spaced longitudinally extending straps connected forwardly by tie bars, and connectable to a coupler and connected rearwardly by a vertically directed rear 'wall.
- the rear wall contains inner and outer surfaces and there is one or more longi- 1 tudinal apertures in thewall extending from the inner surface to the outer surface.
- the aperture has a larger cross-section at the inner surface than at the outer surface.
- a plug member is slidably disposed in the larger cross-section of the aperture.
- Means are disposed in the smaller cross-section of the aperture for urging or sliding the plug member outwardly.
- the urging means and plug member are capable of compressing a draft gear disposed between the longitudinal straps of the yoke.
- the yoke l is similar to a conventional yoke with the exception of the butt or rear wall 2 which has been modified with the integral draft gear compressing means.
- the rear wall 2 interconnecting the spaced upper and lower straps 5 and 6 is provided with preferably two cylindrical apertures 7 located on the vertical centerline and spaced equally above and below the horizontal centerline and oriented in a direction parallel to the longitudinal centerline of the yoke.
- the apertures 7 from the rear surface 8 of the yoke butt to approximately two-thirds of the distance to the front surface 9 are tapped or threaded to accept set bolts 3 and the remaining distance 11 is of a larger diameter or cross-section than the threaded portion to receive hardened metal plugs 4.
- the draft gear 13 is compressed by hydraulic means and held in place by advancing the bolts 3 and plugs 4 manually by means of a suitable wrench until the gear is shortened in compression enough to enter the draft gear pocket 18 as shown in FIG. 3.
- the bolts 3 are retracted allowing the plugs 4 to retract and the gear 13 and follower 14 to expand against the draft lugs 16 and 17 attached to the sill 20.
- the yoke is then pulled forward to allow mating of the follower with the butt 22 of a coupler 24.
- the plugs 4 are normally recessed from the front surface 9 of the yoke butt 2 and would not interfere with the draft gear 13 occupying the space 12 within the yoke.
- the set bolts 3 are advanced into'the threaded, apertures 7 in the rear wall 2 and the plugs 4 are forced into the space 12 compressing the draft gear 13 against the front follower l4 and yoke head 15- thus relieving the draft lugs 16 and 17 of the draft gear precompression load. This frees the draft gear for easy removal from the draft gear pocket 18 together with the yoke l and front follower 14.
- the set bolts 3 need only to be retracted.
- the yoke casting could be made with cored apertures and an insert used to provide the necessary dimensional control.
- the inserts could be manufactured on an automatic screw machine and could be secured in the cored apertures in the butt by welding, or by retaining shoulders 25 with lugs 26 to prevent rotation as shown in FIG. 4.
- a yoke for use in draft rigging of railway cars, comprising'a pair of vertically spaced longitudinally exposed in the smaller cross-section for sliding the plug member outwardly, said means and plug member being capable of compressing a draft gear disposed between the longitudinal straps.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
Description
Claims (5)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00453624A US3856153A (en) | 1974-03-22 | 1974-03-22 | Coupler yoke with draft gear removal means |
IT53602/74A IT1021846B (en) | 1974-03-22 | 1974-10-17 | IMPROVEMENT IN THE JUNE OF TRACTION FOR RAILWAYS |
FR7435089A FR2264697A1 (en) | 1974-03-22 | 1974-10-18 | |
BR9760/74A BR7409760A (en) | 1974-03-22 | 1974-11-21 | FORK IMPROVEMENTS FOR USE IN TRACING EQUIPMENT FOR RAILWAY WAGONS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00453624A US3856153A (en) | 1974-03-22 | 1974-03-22 | Coupler yoke with draft gear removal means |
Publications (1)
Publication Number | Publication Date |
---|---|
US3856153A true US3856153A (en) | 1974-12-24 |
Family
ID=23801353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00453624A Expired - Lifetime US3856153A (en) | 1974-03-22 | 1974-03-22 | Coupler yoke with draft gear removal means |
Country Status (4)
Country | Link |
---|---|
US (1) | US3856153A (en) |
BR (1) | BR7409760A (en) |
FR (1) | FR2264697A1 (en) |
IT (1) | IT1021846B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537304A (en) * | 1983-01-17 | 1985-08-27 | Amsted Industries Incorporated | Railway, coupler yoke, draft gear and follower assembly |
US5065874A (en) * | 1990-10-22 | 1991-11-19 | Miner Enterprises, Inc. | Preshortening insert for a draft gear |
US5598937A (en) * | 1996-02-14 | 1997-02-04 | Keystone Industries, Inc. | Slackless drawbar assembly |
CN102730020A (en) * | 2011-04-01 | 2012-10-17 | 齐齐哈尔轨道交通装备有限责任公司 | Coupler yoke and coupler buffering device |
RU200822U1 (en) * | 2020-03-13 | 2020-11-12 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Traction clamp |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1766609A (en) * | 1929-02-15 | 1930-06-24 | Miner Inc W H | Yoke means |
US2147018A (en) * | 1936-04-20 | 1939-02-14 | Miner Inc W H | Railway draft rigging |
-
1974
- 1974-03-22 US US00453624A patent/US3856153A/en not_active Expired - Lifetime
- 1974-10-17 IT IT53602/74A patent/IT1021846B/en active
- 1974-10-18 FR FR7435089A patent/FR2264697A1/fr not_active Withdrawn
- 1974-11-21 BR BR9760/74A patent/BR7409760A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1766609A (en) * | 1929-02-15 | 1930-06-24 | Miner Inc W H | Yoke means |
US2147018A (en) * | 1936-04-20 | 1939-02-14 | Miner Inc W H | Railway draft rigging |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537304A (en) * | 1983-01-17 | 1985-08-27 | Amsted Industries Incorporated | Railway, coupler yoke, draft gear and follower assembly |
US5065874A (en) * | 1990-10-22 | 1991-11-19 | Miner Enterprises, Inc. | Preshortening insert for a draft gear |
US5598937A (en) * | 1996-02-14 | 1997-02-04 | Keystone Industries, Inc. | Slackless drawbar assembly |
CN102730020A (en) * | 2011-04-01 | 2012-10-17 | 齐齐哈尔轨道交通装备有限责任公司 | Coupler yoke and coupler buffering device |
US20120298610A1 (en) * | 2011-04-01 | 2012-11-29 | Qiqhar Railway Rolling Stock Co., Ltd. | Coupler yoke and coupler draft gear |
US8684199B2 (en) * | 2011-04-01 | 2014-04-01 | Qiqihar Railway Rolling Stock Co., Ltd. | Coupler yoke and coupler draft gear |
AU2011359051B2 (en) * | 2011-04-01 | 2014-12-11 | Crrc Qiqihar Rolling Stock Co., Ltd. | Coupler yoke and coupler draft gear |
RU200822U1 (en) * | 2020-03-13 | 2020-11-12 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Traction clamp |
Also Published As
Publication number | Publication date |
---|---|
FR2264697A1 (en) | 1975-10-17 |
BR7409760A (en) | 1976-05-25 |
IT1021846B (en) | 1978-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
AS | Assignment |
Owner name: FIRST NATIONAL BANK OF CHICAGO, THE, ONE FIRST NAT Free format text: SECURITY INTEREST;ASSIGNOR:AMSTED INDUSTRIES INCORPORATED;REEL/FRAME:004666/0778 Effective date: 19860227 Owner name: FIRST NATIONAL BANK OF CHICAGO, THE,ILLINOIS Free format text: SECURITY INTEREST;ASSIGNOR:AMSTED INDUSTRIES INCORPORATED;REEL/FRAME:004666/0778 Effective date: 19860227 |
|
AS | Assignment |
Owner name: AMSTED INDUSTRIES, INC., 3700 PRUDENTIAL PLAZA, CH Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DRESSER INDUSTRIES, INC., A CORP OF DE.;REEL/FRAME:004513/0932 Effective date: 19850911 |
|
AS | Assignment |
Owner name: AMSTED INDUSTRIES INCORPORATED, A CORP. OF DE., IL Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:FIRST NATIONAL BANK OF CHICAGO, AS AGENT;REEL/FRAME:005070/0731 Effective date: 19880831 |