US1007632A - Apparatus for truing ports of automatic connectors for train-pipes. - Google Patents

Description

I. BEAHM.

APPARATUS FOR TRUING PORTS OF AUTOMATIC CONNECTORS FOR TRAIN PIPES.

APPLICATION FILED JAN. 5, 1911.

1,007,632, Patented Oct. 31, 1911.

6 SHEETS-SHEET 1.

' [NVENTOR A P. BEAHM. APPARATUS FOR TRUING PORTS OF AUTOMATIC CONNECTORS FOR TRAIN PIPES.

APPLICATION FILED JANQB, 1911.

' Patented Oct. 31, 1911.

5 SHEETSSHEBT 2.

aiw/ P. BEAHM. APPARATUS FOR TRUING PORTS 0F AUTOMATIC CONNECTORS FOB. TRAIN PIPES.

. APPLICATION FILED JAN.5, 1911.

1,007,632, Patented 0011.31, 1911.

6 BHEETS-SHEET 3.

P. BEAHM. APPARATUS FOR TRUING PORTS 0F AUTOMATIG CONNECTORS FOR TRAIN PIPES.

APPLICATION FILED JAN. 5, 1911.

1,007,632. Patented 001. 31, 1911.

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W /T L V WITNESSES [NVENTOR P. BEAHM. APPARATUS FOR TRUING PORTS 0F AUTOMATIC GONNBGTORS FOR TRAIN PIPES.

APPLICATION FILED JAN. 5, 1911.

Patented Oct. 31, 1911.

UNITED STATES PATENT OFFICE.

PETER BEAHM, OF ALTOONA, PENNSYLVANIA, ASSIGNOR OF ONE-THIRD T0 CHARLES A. BUCH AND ONE-THIRD TO JAMES P. FORSYTH, BOTH OF WAYNE, PENNSYL- VANIA.

APPARATUS FOR TRUING PORTS OF AUTOMATIC CONNECTORS FOR TRAIN-PIPES.

'1' '0 (NZ whom at may concern Be it known that I, PETER BEAHM, a citizen of the United States, residing in Altoona, in the county of Blair and State of Pennsylvania, have invented certain new and useful Improvements in Apparatus for Truing the Ports of Automatic Connectors for Train-Pipes, of which the following is a specification.

My present invention relates to apparatus for truing the ports of automatic train pipe connectors of the kind shown in my Patent No. 956,408 of April 26, 1910, in which an automatic train pipe connector is shown comprising connector heads, having ports for the train pipes, such as the air brake pipes, air signal pipes, and the steam heating pipes. Each connector head, as shown in said patent, is supported from the car coupler, and the arrangement is such that when two cars come together and are coupled, the connectors join each other with the ports of the train pipes on one car registering with the ports of the train pipes on the adjacent car. The ports are made smooth and even, so that when the ports on one car come in contact with the ports on the other car with which it is coupled, tight non-leaking joints are made which are maintained by springs carried by the connector heads. It is of vital importance that the abutting faces of the ports shall be smooth, even and true, otherwise a non-leaking joint cannot be made.

The object of my invention is to provide an apparatus whereby the ports may be trued as by milling and grinding in such manner that in use non-leaking joints are automatically made when two cars come together.

By reference to my patent before mentioned, it will be observed that each connector head has a plurality of ports, preferably three, one for the air brake pipes, one for the air signal pipes and one for the steam heating pipes, and therefore I have devised an apparatus which can be applied to a connector head in such manner as to properly true a plurality of ports.

In carrying out my invention, I provide a main supporting frame, provided with means for adjusting it on, and securing it to, a train pipe connector. This frame supports a tool-holder, preferably comprising three sleeves rigidly connected and adjust" Specification of Letters Patent.

Application filed. January 5, 1911.

Patented Oct. 31, 1911.

Serial No. 601,028.

ably secured to the supporting frame. The tool-holder is adapted to receive tools for milling and grinding the ports, said tools being detachab-ly connected with the toolholder so as to be readily placed in position to act upon the several ports in succession. Each tool preferably comprises a sleeve provided with devices for detachably connecting it with the tool-holder and a spindle rotatably mounted in the sleeve and carrying the truing tool. At its outer end the spindle is formed with a collar between which and the outer end of the tool sleeve is arranged an annular series of balls providing a ball hearing. The spindle has a limited endwise movement in the sleeve, the arrangement being such that when the collar on the spindle presses against the balls further inward movement of the spindle is arrested and the truing operation is stopped.

Other features of my invention will be hereinafter described.

In the accompanying drawings :Figure 1 shows a side elevation of my improved port truing apparatus applied to a train pipe connector. Fig. 2 shows a vertical section on the line 22 of Fig. 9. Fig. 3 shows a horizontal section on the line 3-3 of Fig. 9. Fig. 4 shows a longitudinal section of a tool which may be employed for grinding the ports. Figs. 5 and 6 are detail views of the working end of a grinding tool. Figs. 7 and 8 are detail views of the working end of a milling tool. Fig. 9 shows an end elevation of the apparatus. Fig. 10 is a perspective view of the supporting frame of the truing apparatus. Fig. 11 is a perspective view of the tool-holder separated from the supporting frame. Fig. 12 is a perspective view, with parts broken away, of one of the tools employed.

I have shown my improved port truing apparatus applied to one member of a train pipe connector of the kind shown in my Patent, No. 956,468 above referred to. Such connector member, it will be understood, comprises a head A having suitable passages a terminating at their outer ends in suitable ports. These ports are preferably provided with rings B, B B of relatively soft metal when the rings of the two members come together non-leaking joints are made.

It is essential not only that the ports shall be smooth and even, but it is also essential that the outer surfaces thereof shall be in true alinement in order that a plurality of ports in each member may be made to register with a plurality of ports in the coupled member, and my improved apparatus is designed to true the individual ports by milling and grinding in such manner that when this operation is completed all the ports will be in proper condition to connect with si1nilar ports on a coupled car. Each connector head shown in my patent before mentioned is provided with a guide funnel C and a guide pin 1), the pin of one member of the connector being adapted to enter the funnel. of the other member and to bring the two members properly together to cause the ports to register, and the supporting frame of my truing apparatus is adapted to be secured to the funnel and pin in the manner most clearly indicated in Fig. 3. In this way the supporting frame may be held in place and may have its position partially adjusted but other adjustments are required as will be hereinafter described.

The supporting frame E is preferably made of a single casting having three rings, 6, e 6 arranged in a vertical series and rigidly connected or cast together. From the middle ring 6 project in diametrically opposite directions arms E, E to the former of which is secured a pin F having a split end f and a threaded socket f adapted to receive a tapered screw F. The pin F is adapted to enter the funnel C and pass through the opening 0 therein and when thus arranged the pin may be tightly locked in the funnel by the screw F. The arm E carries a sleeve H to which is secured a split clamp I provided with tightening screws 2'. The pin D enters the clamp and may be securely fastened thereto by the screws 2'. In this way the frame may be securely fastened to the funnel and the pin. A long screw Gr extends through the sleeve H and is adapted to abut against the front of the connector head, in the manner indicated in Fig. 3. By adjusting this screw the frame E may be made to extend closer to or farther from the connector ports. In order, however, to obtain the accurate adjustment necessary, I provide adjusting screws J which are carried by arms E extending from the upper and lower rings 6, e of the supporting frame E. These screws J are tapered at their inner ends and these tapered por tions are adapted to abut against the upper and lower front edges of the connector head, as shown in Fig. 2. By properly adjusting the screws J and the screw G, the position of the frame E relatively to the connector head may be determined and when this is done the pins D and F may be fastened by the devices heretofore described and the arms E may be fastened to the connector head by means of the set screws E*. In this way the supporting frame E may be properly adjusted to a connector head and when the screws G and J are given the proper adjustment the frame E may be removed from one connector head and placed on another connector head without further adjustment, the screws J and G determining the position of the head for any number of connector heads and when the supporting frame is thus applied to a connector head and its position thus determined the fastening devices may be operated to securely lock the supporting frame in place.

The tool-holder M comprises three sleeves m, m m rigidly connected together by webs m These sleeves and the webs may be all made in a single casting, and the sleeves are adapted to enter the rings of the supporting frame E and to be adjusted therein and to obtain the proper adjustment the ring 6 is provided with set screws N which are adapted to engage the sleeve m When the proper adjustment is attained the sleeves are locked to the supporting frame E by means of bolts 0 engaging sockets 'p in lugs P extending from the rings a, e. The sleeves m and m may be locked in place by means of screws R on the rings 6, 6 A very nice and exact adjustment of the tool-holder in the supporting frame may be obtained by these devices and when the tool-holder is thus adjusted for one connector and it is found that all the ports are properly trued no further adjustment is required and the apparatus may be transferred from one connector head to another in rapid succession so that all of the connector heads acted upon by the apparatus will have their ports trued in precisely the same way and to the same extent. I

For truing the ports, I preferably employ a milling tool and a grinding tool. The head or working end of the milling tool is preferably of the kind shown in Figs. 7 and 8. This head S may be of any suitable construction and it is adapted to be removably secured by a pin or otherwise, to the end of a spindle T which is also adapted to receive the head S of a grinding t0ol,which head S (Figs. 5 and 6) may be formed with recesses 8 into which the grinding compound may enter in the process of grinding or which may be filled with grinding material in the ordinary manner. The spindle T extends through a sleeve T and preferan annular collar 25 and the Spindle T is provided with an annular collar t. The collars t and t are formed with annular grooves which register with each other and provide a race-way for an annular series of balls t forming a. ball bearing for the spindle.

The tool shown in Fig. 12 is adapted to be detachably connected with the tool-holder shown in Fig. 11. This can be more conveniently done by providing the sleeve T with a laterally projecting pin 25 adapted to engage an angular slot m in each of the sleeves m, m m thus providing a. bayonet joint. This joint is such as will determine 15 the inward movement of the tool in the holder and to prevent rotation of the sleeve T beyond a very limited extent. \Vhen the tool is insert-ed in one of the sleeves m, m

or 122?, an annular shoulder t on the flange t abuts against the outer end of the sleeve,

m, m or m and thus limits the inward movement of the tool sleeve T. The spindle T extends through the head S or S and projects beyond the working face thereof and when the tool is positioned for work the projecting end 2 of the spindle extends into one of the rings B, B or B at one of the ports. hen thus arranged the tool is ready for operation and may be rotated by means of the connections WV of any desired kind.

hen the operation is commenced, the collars If, t are slightly separated and the mill ing or grinding operation may proceed until the inward movement of the spindle is arrested by the collars t, t coming closer to gether and binding the balls. In this way the three ports may be milled by the same tool which may be easily transferred from one sleeve to the other and then the milling tool S may be removed from the spindle and a grinding tool S substituted, or separate complete tools for milling and grinding may be employed.

By reason of the very fine adjustment obtained the several ports may be made perfectly true and even. When the first set of ports is trued and the proper adjustment obtained in the manner before described the apparatus may be used to true the ports of a large number of connectors in succession using the same adjustment for all of them, so that the same amount of milling and grinding may be produced on all of the connector ports and thus the truing is standardized and each set of ports thus trued will be made to register with any other set of ports with which it comes in contact.

I may employ the same tool for grinding. the ports as that for milling them with the exception that the grinding head S is substituted for the milling head S, but I preferably use a grinding tool of the kind illustrated in Fig. 4. In this construction the spindle T is similar to that before described 65 and is surrounded by a bushing V provided at its outer end with laterally projecting arms V, four being shown in the drawings (see Fig. 9). The sleeve V surrounding the bushing is also provided with laterally projecting arms V V (Fig. 2) four being shown. 7 Threaded spindles X extend through two of the arms V and through the arms V and carry adjusting nuts X. Between the arms V, V are interposed springs V, surrounding the threaded spindles. Set screws X extend through the arms V and bear against the opposing arms V The spindle T is formed on its outer end with a collar t similar to that shown in Fig. 12 and the ball hearing at t is also similar to that shown in Fig. 12. The inner faces of the arms V bear against the outer face of the tool-holder, in the manner indicated in Fig. 2. This tool is suitable for grinding the faces of the ports but is not used for milling them. By adjusting the set screws X the position of the spindle in the sleeve V may be adjusted and the inner movement of the grinding tool regulated. By adjusting the nuts X the tension of the springs may be controlled. These springs tend to hold the grinding tool away from the ports but the grinding tool may be moved toward the ports when endwise pressure is applied to the spindle T, this inward movement, however, being regulated by the position of the screws X I claim as my invention:

1. The combination with a train-pipe connector having a guide funnel and a guide pin, and a plurality of ports, of a porttruing apparatus comprising a supporting frame, means for connecting this frame with the guide funnel and the guide pin, adjustable devices carried by the frame and engaging the face of the connector at opposite ends of the supports, an adjusting screw carried by the support and engaging the face of the connector for determining the position of the supporting frame relatively to the face of the connector, a tool-holder detachably connected to the supporting frame, means for adjusting the tool-holder in said frame and a truing tool rotatably mounted in the holder and detachably connected therewith.

2. An apparatus for truing the ports of train pipe connectors, comprising a supporting frame having a plurality of rings, a tool-holder comprising a plurality of sleeves adjustably connected with said rings, means for securing the supporting frame to a con nector head, devices for adjusting the position of the frame on the connector head, and a truing tool rotatably mounted in the toolholder and detachably connected therewith.

3. An apparatus for truing the ports of train pipe connectors, comprising a supporting frame formed with a series of rings, laterally projecting arms on the frame, an adjustalole screw carriedby one of the arms for determining the position of the supporting frame relatively to the face of the connector, a clamp carried by one of the arms adapted to be secured to a part of the connector, a pin carried by the other arm adapted to be secured to another part of the connector, and a truing tool rotatably mounted in the supporting frame.

4. The combination with a train pipe con nector having a guide funnel and a guide pin of a port truing apparatus, comprising a supporting frame, provided with laterally projecting arms, a pin carried by one of these arms adapted to be secured to the funnel, a clamp carried by the other arm adapted to be secured to the guide pin of the connector, devices for adjusting the frame relatively to the face of the connector, and a truing tool rotatably mounted in the supporting frame and detachably connected therewith.

5. A truing apparatus for train pipe connectors, comprising a supporting frame, a tool-holder consistign of a series of sleeves adjustably connected with the supporting frame, devices for adjusting the supporting frame on and firmly securing it to the connector head, and a truing tool comprising a sleeve detachably connected with the toolholder and a spindle carrying at one end a working head and at the opposite end provided with a ball bearing which is interposed between the outer end of the spindle and the outer end of the sleeve and which ball bearing limits the inward movement of the spindle during the process of truing the ports.

6. A truing apparatus for train pipe connectors, comprising a supporting frame having a series of rings and laterally projecting arms, means carried by the arms for attaching the supporting frame to a connector, adjusting screws supported on the rings and adapted to engage the front face of the 0011- nector, an adjustable screw carried by the frame adapted to abut against the end of the connector, and a truing tool rotatably mounted in the frame and detachably connected therewith.

7 A truing apparatus for train pipe connectors, comprising a supporting frame adapted to be adjusted on and secured to a connector, and a truing tool rotatably mounted in the frame comprising a spindle, a tool carried thereby, a sleeve surrounding the spindle having laterally projecting arms, a bushing interposed between the sleeve and the spindle having laterally projecting arms, springs interposed between the arms, and screws carrying nuts for adjusting the arms on the bushing toward and from the arms on the sleeve and for regulating the tension of the springs.

In testimony, whereof I affix my signature at Altoona, Penna, this 3d day of January, 1911, in the presence of two witnesses.

PETER BEAHM.

Witnesses:

J os. Voo'r, GEO. BEAHM.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C.

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