US665964A - Car-coupling. - Google Patents

Car-coupling. Download PDF

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Publication number
US665964A
US665964A US2175100A US1900021751A US665964A US 665964 A US665964 A US 665964A US 2175100 A US2175100 A US 2175100A US 1900021751 A US1900021751 A US 1900021751A US 665964 A US665964 A US 665964A
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Prior art keywords
car
draw
coupler
bar
bars
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Expired - Lifetime
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US2175100A
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Jakob Hahn
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Jakob Hahn
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Priority to US2175100A priority Critical patent/US665964A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00Couplings for special purposes not otherwise provided for

Description

Pamted 1an. l5, `190|.
.|. HAHN.
GAR CUUPLING.
(Appliminn and .nm 27, 1900.;
(No Modal.)
III
ohms Pneu co.. PHoT-LITHQ. w sumaron, n. c.
NiTED STATES PATENTN EEICE.
JAKOB HAHN, OF INGOLSTADT, GERMANY.
cAR-couPLlNe.
SPECIFICATION forming part of Letters Patent No. 665,964, dated January 15, 1901.
Application led June 27,1900.
T0 all whom t may concern:
Be it known that I, JAKOB HAHN, railway guard, a subject of the King of Bavaria, residing at 5 Ringsee, Ingolstadt, Bavaria, Germany, have invented certain new and useful Improvements in Railway-Car Couplers, of which the following is a specification.
My invention relates to automatic couplers for railway-cars; and its object is to improve the'construction of such couplers and to adapt them to serve as buffers; and to this end it consists in certain features and combinations hereinafter described and claimed.
In the accompanying drawings, Figure l is a side elevation of one section of a complete coupler embodying my invention, the other section, it will be understood, being a duplicate or counterpart thereof. Fig. 2 is a front View of said coupler with the coupling-tongue in section. Fig. 3 is a vertical longitudinal section through two sections engaged, taken alongside the coupling-tongue of one section and through the socket of the other section. Figs. 4 and 5 are details of devices for tightening up or releasing the draw-bars of the couplers of a car for a pur-pose hereinafter explained, and Fig. 6 is a bottom plan view of a car with my improvements applied thereto.
Referring now to said drawings, a and b represent, respectively, two coupler heads constructed according to my invention, each of which is identical with the other and either of which will hereinafter be referred to as a couplen Each coupler has a tongue c secured in a suitable socket in the head-block to one side of the center by bolt c', so that it may have some pivotal play, and near its free end shouldered underneath or provided with a catch c2 and conoidal at the extreme end to facilitate engagement. This tongue enters a chamber or socket CZ in the head-block of the opposite coupler, which is normally partly closed by a rectangular sliding catch-yoke e, held up by a spiral spring e', so that when the tongue enters the socket its beveled or conoidal end first strikes the lower bar of said yoke and depresses it, and the yoke immediately thereafter snaps up behind the shoulder c2 and locks the tongue in the socket. A similar coupling tongue from the second coupler is received in a like socket in the headblock of the coupler first named, equidistant Serial No. 21,751. (No model.)
with the tongue of said latter coupler from the center thereof, but on the other side of said center, and is engaged by a similarlycontrolled catch-yoke therein.
In order to release the catch-yokes in uncoupling cars, levers h extend laterally from the coupler to each side of the car and at their inner ends are connected to the power-arm of an auxiliary lever f by pivot-pin g, the opposite arm of this latter lever being jointed to a depending arm from the catch-yoke, so that by operating the levers h from either side of the train the couplers may be disengaged without entering between the bumpers.
The couplers are connected to their drawbars by pivots i", and a spring i2 is interposed between draw-bar and coupler adjacent to the pivot to hold the coupler normally in position for engagement with its counterpart. Fixed to the drawbar behind the bumper-beam isv a cross-bar t, sliding on guide rods l', which extend between the bumper and aparallel frame-beam Z2, through which the draw-bar plays. Another cross -bar n, playing loosely upon the draw-bar between said two beams, is normally forced away from cross-bar l and against flange or collar m on the draw-bar by springs o, coiled around the aforesaid guide-rods, so that as the drawbar is drawn forward the springs will be coinpressed and resist it yieldingly; but when the draw-bar is forced back the ends of this latter cross-bar m are stopped against shoulders o ou the guide-rods, and the further retreat of the draw-bar will be against the cushioning action of the springs. By this arrangement, therefore, the ordinary buffers independent of the couplers are dispensed with.
In making up trains it is desirable that the connectionsshallbesnug withoutunneoessary looseness. For this purpose I have provided apparatus for tightening up the draw-bars against their cushioning-springs after the train is made up. In the preferred form of this apparatus the draw-bars of each car are continued until they meet in the center and there terminate, the one in a single linkshaped extension pand the other in a double link-shaped socket q to receive the single link of the first. Through these links passes a screw-shaft r, reaching to and operable from either side of the machine, and upon this IOO shaft is mounted a traveling Wedge s, rectangular in cross-section to t the rectangular outline of the links and be prevented from turning thereby. Thus by turning the shaft r the Wedge can be forced into the links and retract the drawbars until their cushioning-springs are under sufficient tension, or it may be Withdrawn therefrom to release said springs. The elongated shape of the links p and q Will permit the draw-bars to yield even after the springs have been placed under high tension.
I claim- 1. The combination With the couplers of a car, of draw-bars extending to a meetingpoint beneath the car, elongated links p and q on the meeting ends of said bars, one of Which receives the other, a sliding Wedge passing through said links, and means for operating said Wedge.
2.' The combination of the couplers a and b, the draw-bars c', fixed cross-bars Z, anges m, loose -cross-bars fn, springs o playing on Yshouldered guide-rods, links p and q, on the meeting ends of the draw-bars, transverse screw-shaft 1', extending to either side of the car, and sliding Wedge s mounted on said screw-shaft and playing through said links. In testimony whereof I affix my signature in presence of two witnesses.
J AKOB HAHN. Witnesses:
ALEX. WIELL, MAX SCHNEIDER.
US2175100A 1900-06-27 1900-06-27 Car-coupling. Expired - Lifetime US665964A (en)

Priority Applications (1)

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US2175100A US665964A (en) 1900-06-27 1900-06-27 Car-coupling.

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US2175100A US665964A (en) 1900-06-27 1900-06-27 Car-coupling.

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US665964A true US665964A (en) 1901-01-15

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