US380923A

US380923A - Railway-frog

Info

Publication number: US380923A
Authority: US
Publication date: 1888-04-10
Anticipated expiration: 1905-04-10

Description

(No Model.) 2 sheets-sheet 1.

I. A. PERRY.

RAILWAY PROG.

No. 380,923. Patented Apr. l0, 1888.A

l i- NS (No Model.) 2 sheets-sheet 2.

1. A. PERRY.

RAILWAY PROG.

Patented Apr. 10, 1888.

Y No. 380,923.

'fnvenZ-or: lima JPerrly- N. PETERS, Pham-Lumpur. wmingm. nc.

" UNITED STATES PATENT OFFICE.

ISAAC A. PERRY, OF WILMINGTON, DELAWARE.

SPECIFICATION orming part of Letters Patent No. 380,923, dated April l0, 1888.

Application filed July 1G, 1887.

To @ZZ whom, it may concern:

Be it known that I, Isaac A. FERRY, a citizen of the United States, and a resident of Wilmington, New Castle county, Delaware, have invented certain Improven'ients in Railway-Frogs, of which the following is a speci ication.

My invention consists of certain improvements in the railway-frog for which I obtained Letters Patent No. 313,368, dated March 3, 1885, the main object of my invention being to so construct the frog as to facilitate the renewal or repairs of parts of the same, and to effect the secure confinement of the frog-point and the rails forming oontinuations of the same. I

In the accompanying drawings, Figure l is a plan view of my improved frog. longitudinal section of the same on the line 1 2, Fig. l. Figs. 3, 4, 5 and 6 are transverse sections respectively on the lines 3 4, 5 6, 7 8, and 9 l0, Fig. l. Fig. 7 is a perspective view of the parts composing the frog detached from each other, and Fig. Sis a view illustrating a special construction of part of the frog.

A represents the base-plate or foundation of the frog, which may be of wrought or cast iron or steel, and which has formed in it openings a, b, and d. VTo the opening a is adapted a tongue, f, on the under side ofa plate,B, which plate has a recess, g, for the reception of the nose of the frog-point D, the recess having overhanging walls which engage with the ange D at the base of said lpoint and serve to-vertically retain the same. The tonguef has at the front end a toe, f', which engages with the base-plate A, and said tongue is retained in position in the recess a by means of a transverse key, c, passing through the tongue and bearing against the under side of the baseplate. The point D has a projecting tongue, h, adapted to the opening b in the base-plate, and a second tongue, ,which is adapted to the front end of the opening d in said plate and to an opening, i', in a plate, F, which rests upon the base-plate A and serves to support the rear end of the point D and the rails G G, which form continuations of said point, the inner treads and lianges of these rails being out away, so as to permit the Webs of the rails to meet each other where the rails join the Fig. 2 isa.`

Serial No. 244,439. (No model.)

pointD, said webs forming aprojecting tongue, j, which enters a recess or pocket, j', in the rear end of the point, as shown in Fig. 2. The plate F likewise has a tongue, m, entering the opening d in the base-plate, and both of the tongues and m are confined to said base-plate by means of a transverse key, a, passing through the tongues, through lat-eral recesses n in the base-plate, and beneath lugs H, secured to said base-plate near each edge of the same. y

The tongue m of the plate F has at the rear end a toe, m', engaging with an undercut portion ol the base-plate A, and the front ends of the lugs H are likewise undercut, as shown in Fig. 7, for the reception ot undercut por tions H on the plate F.

Longitudinal movement of the plate F, as well as any vertical movement of the front end of the same, is resisted by retaining-keys p, adapted to recesses pin the front edge of said plate, these keys being preferably held in place by wedges s, as shown in Fig. l.

Vhile the retaining plate B, supporting plate F, and point D are thus firmly locked to the base-plate ofthe frog, any one of said parts can be detached from the base-plate when desired, and either part can be repaired or replaced without necessitating the renewal of any other part.

The supporting-plate F has an inclined filling-piece, I, which ts between the diverging rails G G, so as to maintain the same at the proper distance apart, said filling-piece having anges overlapping the inner Iianges of the rails and serving to vertically confine the same to the plate F.

The outer flanges ofthe rails are confined by means of tlanged wedge-plates .I J, which are adapted to inclined grooves K K formed in the supporting-plate F, so that on driving up these wedges the rails will be firmly pressed against the central lling piece or block and will be rigidly confined to the plate F. The front ends of the wedge-plates J JT have portions J for bearing upon the opposite inclined sides of the point D of the frog and aiding in the retention of the same; but these portions J may, if desired, be made separate from the plates J, or may be dispensed with altogether.

When the structure is soplaced that one of IOO the rails G is subjected to excessive strain, the plate J for retaining the same is preferably provided with a tongue, t, projecting under the supporting-plate F and engaging with an undercut recess in the under face of the same, as shown in Fig. 8, so as to effectually resist any rising tendency of the lower flange of the rail due to excessive lateral pressure upon the head of the same, it being understood that the recess is inclined in the same manner 'as the recess K, so that thelateral confinement of the rail is effected by impartinglongitudinal movement to the wedge-plate.

I claim as my inventionl. The combination, in a railway-frog, ofthe base-plate, the point having tongues engaging with openings in said base-plate, and a detachable retainer for the nose of the point, said retainer having a tongue adapted to an opening in the base-plate and provid-ed with atoe projecting beneath said plate, all substantially as y point of the frog, the retaincrplate therefor,

recessed for the reception of said pointand having a tongue adapted to an opening in the base-plate7 and a transverse key whereby said tongue is secured to the base-plate, all substantially as specified.

3. rlhe combination of the base-plate of the frog, the point,and the point-supporting plate having a tongue adapted to an opening in the base-plate, said tongue being provided with a toe engaging with the base plate and held in engagement therewith by contact ofthe point with the supporting-plate, all substantially as specified.

4. The combination of the base-plate, the point and its supportingplate, both having tongues adapted to a recess in the base-plate, with a transverse retaining-key confined to the base-plate and passing through the tongues of the point and its supporting-plate7 so as to retain them both, all substantially as specified.

v 5. The combination of the baseplate of the frog, having an opening therein and lugs H thereon,with the supporting-plate constructed to engage with said lugs, and having a tongue for adaptation to the opening in the base-plate, all substantially as specified.

6. The combination of the base-plate ofthe frog and its lugs, the supporting-plate mounted on said base-plate and engaging with said lugs, and keys engaging with the front end of the supporting-plate and retaining the same in position for engagement with said lugs, yall substantially as specified.

7. The combination of the base-plate, the point having a recess or pocket in the rear end, and diverging rails forming a continuation of the point, and having their treads and flanges cut away on the inner side to permit the ap proach ofthe webs and the formation of tongues entering said pocket in the point, all substantially as specified.

8. The combination of the point of the frog and the diverging rails forming a continuation of the same, the supporting-plate, means for securing the point thereto, a lilling-piece interposed between the rails, and wedge-plates engaging with the outer flanges of the rails and adapted to inclined ways in the supporting plate, all substantially as specified.

9. The combination of a rail and a support'- ing-plate therefor, with a retaining-plate engaging with the flange of the rail and having a tongue projecting beneath the Supportingplate and engaging with an inclined way in the under side of the same, all substantially as specified.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

ISAAC A. PERRY.

Witnesses:

` WILLIAM D. CONNER,

HARRY SMITH.