Patent US4537304A successfully refreshed from Google Patents.
US4537304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway, coupler yoke, draft gear and follower assembly
Assignee: Amsted Industries Inc
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Filing: 1983-01-17
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Granted: 1985-08-27
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Expires: 2003-01-17
Abstract
Abstract A railway coupler yoke assembly is provided. A yoke, draft gear and follower are assembled as a unit assembly and maintained as such by the installation of bands at various locations about the assembly. Such yoke assembly can then be shipped and stored as an assembly until the time of installation in a railway car. At such time, the bands are cut and the assembly is placed in the railway car.
Inventors
- 👤 John W. Kaim
- 👤 Norman A. Berg
- 👤 Russell G. Altherr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:22
CPC Classifications
B; B61; B61G; B61G7/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T403/00; Y10T403/16; Y10T403/1608
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
201 words
A pre-assembled railway car yoke, follower and draft gear assembly comprising a coupler yoke having a head portion at one end thereof with an opening therein and two elongated strap portions extending from said head portion to a rear portion joining said two strap portions to form a central pocket with two open sides in said yoke, a partly compressed draft gear means in said central pocket of said yoke between said two strap portions, said draft gear means comprising a housing having top, bottom and side walls and a cushioning means located within said housing, a follower between said draft gear means and said yoke head portion in said central pocket of said yoke, and a band means extending in line with the longitudinal axis of said yoke to hold said draft gear and said follower in said central pocket of said yoke, said band means extending around the outside of said rear portion of said yoke, across the said two open sides and around the draft gear, the follower and into the yoke head portion so as to maintain the draft gear and the follower in the central pocket of the yoke prior to assembly within a railway car.
Claim 2
Dependent Claim
201 words
A pre-assembled railway car yoke, follower and draft gear assembly comprising a coupler yoke having a head portion at one end thereof with an opening therein and two elongated strap portions extending from said head portion to a rear portion joining said two strap portions to form a central pocket with two open sides in said yoke, a partly compressed draft gear means in said central pocket of said yoke between said two strap portions, said draft gear means comprising a housing having top, bottom and side walls and a cushioning means located within said housing, a follower between said draft gear means and said yoke head portion in said central pocket of said yoke, and a band means extending in line with the longitudinal axis of said yoke to hold said draft gear and said follower in said central pocket of said yoke, said band means extending around the outside of said rear portion of said yoke, across the said two open sides and around the draft gear, the follower and into the yoke head portion so as to maintain the draft gear and the follower in the central pocket of the yoke prior to assembly within a railway car.
Claim 3
Dependent Claim
20 words
The assembly of claim 1, wherein the band means extends through the opening in the head portion of the yoke.
Claim 4
Dependent Claim
31 words
The assembly of claim 1, wherein a second band means extends transversely to the longitudinal axis of the said yoke and extends around the draft gear and the yoke strap portions.
Claim 5
Dependent Claim
56 words
The assembly of claim 1, further including a pin extending through the opening in the yoke head portion, wherein said band means extends around a central circumference of said pin and a second band means extends around the top and bottom of said pin to maintain the pin in the opening in the yoke head portion.
Claim 6
Independent Claim
161 words
A method of pre-assembly a railway car yoke, follower and draft gear comprising the steps of providing a coupler yoke having a head portion at one end thereof, two elongated strap portions extending from said head portion and a rear portion joining said two strap portions to form a central pocket in said yoke having two open sides, providing a draft gear in said central pocket and a follower between said draft gear and said head portion of said coupler yoke, placing a band means around the coupler yoke, draft gear and follower assembly in line with the longitudinal axis of the yoke, said band means extending around the outside of the rear portion of the yoke and across said two open sides around the draft gear, the follower and into the yoke head portion so as to maintain the draft gear and the follower partly compressed in the central pocket of the yoke prior to assembly within a railway car.
Claim 7
Independent Claim
161 words
A method of pre-assembly a railway car yoke, follower and draft gear comprising the steps of providing a coupler yoke having a head portion at one end thereof, two elongated strap portions extending from said head portion and a rear portion joining said two strap portions to form a central pocket in said yoke having two open sides, providing a draft gear in said central pocket and a follower between said draft gear and said head portion of said coupler yoke, placing a band means around the coupler yoke, draft gear and follower assembly in line with the longitudinal axis of the yoke, said band means extending around the outside of the rear portion of the yoke and across said two open sides around the draft gear, the follower and into the yoke head portion so as to maintain the draft gear and the follower partly compressed in the central pocket of the yoke prior to assembly within a railway car.
References Cited (Backward Citations)
US1766609A
Cited
US2571748A
Cited
US2950002A
Cited
US3583061A
Cited
US3856153A
Cited
US4158407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-26 | 1989-02-25 | 1989-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-26 | 1993-02-25 | 1993-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-26 | 1997-02-25 | 1997-08-27 | $7700.00 | Window Closed / Lapsed |