Patent US3856153A successfully refreshed from Google Patents.
US3856153A
Expired / Lapsed
US
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Coupler yoke with draft gear removal means
Assignee: Amsted Industries Inc
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Filing: 1974-03-22
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Granted: 1974-12-24
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Expires: 1994-03-22
Abstract
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.
Inventors
- 👤 G Cope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:51
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/20; B61G9/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
A yoke, for use in draft rigging of railway cars, comprising a pair of verticallY spaced longitudinally extending straps connectable forwardly by tie bars or a yoke head and connectable to a coupler, and connected rearwardly by a vertically directed rear wall having inner and outer surfaces, there being at least one longitudinal aperture in the wall extending from the inner surface to the outer surface, the aperture having a larger crosssection at the inner surface than at the outer surface, a plug member slidably disposed in the larger cross-section of the aperture and means disposed 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.
Claim 2
Dependent Claim
123 words
A yoke, for use in draft rigging of railway cars, comprising a pair of verticallY spaced longitudinally extending straps connectable forwardly by tie bars or a yoke head and connectable to a coupler, and connected rearwardly by a vertically directed rear wall having inner and outer surfaces, there being at least one longitudinal aperture in the wall extending from the inner surface to the outer surface, the aperture having a larger crosssection at the inner surface than at the outer surface, a plug member slidably disposed in the larger cross-section of the aperture and means disposed 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.
Claim 3
Dependent Claim
29 words
The yoke of claim 1 in which the rear wall contains two longitudinal apertures positioned on the vertical centerline thereof and spaced equally above and below the horizontal centerline.
Claim 4
Dependent Claim
17 words
The yoke of claim 1 in which the larger cross-section of the aperture comprises approximately one-third thereof.
Claim 5
Dependent Claim
29 words
The yoke of claim 1 in which a portion of the aperture, from the outer surface of the wall, is threaded and the sliding means is a set bolt.
Claim 6
Dependent Claim
58 words
The yoke of claim 1 in which the longitudinal apertures are formed in the rear wall by coring and a separate insert applied and secured therein, said cored aperture having shoulders to retain the insert in the longitudinal direction and lugs to interlock with cooperating grooves in the front surface of said rear wall to prevent rotational movement.
References Cited (Backward Citations)
US1766609A
Cited
US2147018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |