US734146A - Car-coupling. - Google Patents

Description

No. 734,146. 'PATBNTBD JULY 21, 1903.

c. A. TOWER. CAR GOUPLINIJ...A

APPLIOATIN FILED KAY 2, 1903. N0 MODEL. 2 SHEETS-SHEET 1.

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No. 734,146. PATENTED JULY 2l, 1903. G. A. TOWER.

GAR CUUPLING.

APPLIGATION FILED HAY 2 1903.

N0 MODEL. 2 SHEETS-SHEET 2.

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WITNIBSIS UNITED STATES Patented July 21, 190e.

PATENT OFFICE.

CLINTON A. TOWER, OF CLEVELAND, OHIO,ASSIGNOR TO THE NATIONAL i MALLEABLE CASTINGS COMPANY.

CAR-COUPLING.

SPECIFICATION formingpart of Letters Patent No. 734,146, dated July 21, 1903.

Original application led May 29, 1902, Serial No. 109,4:77l Divided and this application filed May 2, 1903. Serial No. 155,251. (No modell) Cleveland, Cuyahoga county, Ohio, have in' vented a new and -useful Car- Coupler, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, in which- Figure 1 is a plan view of two coupler- Io heads A B, having my improved devices shown in locked position, one of the couplerheads being partly in horizontal section for purposes of illustration. Fig. 2 is a vertical longitudinal section on the line III II of Fig. 1, the coupler A being shown with its locking and opening piece in lock-set position and the other in locked position. Fig. 3 is a horizontal section of one of my improved couplers having its knuckle thrown forward. zo Fig. 4 is a vertical cross-section on the line IV IV of Fig. 3, and Fig. 5` is a vertical section showing the locking and opening piece in front view.

My present application is a division of a patent granted to me on May 12, 1903, No.

In the drawings, 2 represents the couplerhead, and 3 is the knuckle, Whose tail 3 eX- tends rearwardly from the pivot-pin 4, the 3o front side of the tail or the end portion thereof being preferably approximately parallel with the central line of the vdraw-bar when the knuckle is locked.

The locking and opening-piece 5, in so far as its locking function is concerned, is in the nature of a pin, which extends on the front side of the tail of the knuckle and in locky ing has a bearing against the coupler-head eX- tended both above and below the knuckle. Its 4o lower end is shaped to constitute a tongue or toe b, which is inclined forwardly and adapted to tit in a correspondingly-inclined hole 6 in the floor of the coupler. Its upper end or head has a forward projection c, or it is otherwise suitably shaped for pivotal attachment to a lifting-link 7, and at the rear of thehead is a bearing d, which is adapted to engage a fulcrum 8 at the top of the recess 9 of the coupler-head, in whichv the piece 5 is set.

`with its toe or guiding portion l) in the hole 6, the projection c fitting in a recess n in the coupler-head and the heel e resting on the floor of the coupler and keeping the piece 5 tipped forwardly, so that the projection c thereof will be maintained in Vthe recess. The piece 5 is thus locked and cannot be made to jump or creep upwardly by the jarring of the car. The parts c and n are kept in engagement by the free forward tipping of the 7c lock on the heele, which rests on the iloor of the coupler, the heel being back of the center of gravity of the piece 5; but these parts are disengaged readily as soon as the piece is lifted.. This is important and constitutes the point of invention which I claim herein. If it is desired to unlock the knuckle and to swing it open, the operator lifts the link 7. This causes the piece 5 to rise, and during its first motion the guiding portion or toe b 8o at its lower end moves it rearwardly until it has passed back of the path of the tail of the knuckle and has left the latter free to swing open and its head has engaged the fulcrum 8 at the top of the coupler-head. The piece 85 5 lis then in .knuckle-throwing position, and continued lifting of the link 7'will cause it to tip forwardly on the fulcrum 8,whereupon the projection f will engage the knuckle initially,

and the toe b will then move the knuckle 9o open,as shown in Fig. 4. The operator having thus opened the knuckle can allow the piece 5 to drop into the position shown by dotted linesin Fig.4. Vhen the knuckle is next swung into closed position, its tail will engage the piece 5 and will push it back until .stored to the locked position above described and shown at the coupler B of Figs. 1 and 2.

The skilled mechanic Will be able to modify the parts of my coupler in various ways, so as to accomplish the results. above stated substantially as I accomplish them by the device shown in the drawings. The locking and Openingpieceis easyinallofits motionsand throws the kuckle forwardly to as great extent as desired, and the locking of the lock is performed in a simple and eective manner.

The coupler can be made of light Weight Without sacrificing the strength required in service.

I claiml. A coupler having a knuckle, a lockingpiece, and a retaining-recess for said piece when locked, said piece being supported back 0f its center of gravity on a forwardly-inclined tongue b, and having at the rear thereof a heel which bears on the floor of the conpler, whereon it is tipped by gravity into the recess; substantially as described.

2. A coupler having a knuckle, a locking and opening piece, and a retaining-recess for said piece when locked, said piece being supported back of its center of gravity on a bearing on the Hoor of the coupler, Whereon it is tipped by gravity into the recess; substantially as described.

In testimony whereof I have hereunto set my hand.

CLINTON A. TOWER.

Witnesses:

D. W. CALL, THOMAS W. BAKEWELL.

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