US777279A - Brake-beam. - Google Patents

Description

PATENTED DEC. 13, 1904.

E. I. DODDS'.

' BRAKE BEAM.

APPLICATION FILED PER 23, 1904.

N0 MODEL.

WHTNESSES 7' I 63%2/t520m No. 777.279. Patented December 13, 1904.

UNITED STATES PATENT OFFICE.

ETHAN I. DODDS, ()F AVALON, PENNSYLVANIA, ASSIGNOR TO PRESSED STEEL CAR COMPANY, OF PITTSBURG, PENNSYLVANIA, A CORPORA- TION ()F NEW' JERSEY.

BRAKE-BEAM.

SPECIFICATION forming part of Letters Patent No. 777,279, dated December I3, 1904.

Application filed February 28, 1904. Serial No. 194,646. (No model.)

T all III/110m 7315 ill 0077/06? bendingot the member 0. The usual fulcrum- Beitlmown thatl, ETHAN I.Do1)1)s, of Avapiece a is then applied to connect and brace ion, Allegheny county, Pennsylvania, have inthe members 0 and (Z, and this fulcrum-piece vented anew and usefulBrake-Bcam, of which being riveted to both members (Z (Z ties them 5 the following a full, clear, and exact detogether, or they maybe connected by a sepascription, reference being had to the accomparate rivet-plate. nying drawings, forming part of this specili- In Figs 2 and 3 I show the flanges oi the cation, in which members (Z (Z outwardly directed. In Fig. a

Figure 1 is a plan view showing how the they are inwardly directed toward the mem- IO flanged beam is slit preparatory to bending it her 0.

into the form of a brake-beam. Fig. 2 shows In Fig. 7 Ishow a modification in which the the brake-beam made from the blank illusmember 0 is flanged at its margin, the Hang 6O trated in Fig. 1. Fig. 3 is a plan view of Fig. ing being done simultaneously with the oper- 2. Fig. 4l-is aplan view olamodilied construcation of bending it away from the members 5 tion. Fig. 5 is a vertical section on the line (Z (Z.

V V of Fig. 3. Fig. 6 is a vertical section on In Fig. 8 Ishow amodilication in which the the line VI VI of Fig. l. Fig. 7 is a view shortening of the metal piece occasioned. by 5 similar to Fig. 5, showing themiddle member the downbending of the member a is comflanged. Fig. 8 is a view similar to Fig. 2, pensated by also bending the members (Z (Z 20 showing the side members bent away from away from the member 0 instead of bending the middle member. them laterally toward each other.

The purpose of my invention is to provide Within the scope of my invention many 7 for the manufacture of brake-beams for cars modifications maybe made by those skilled in from flanged metal pieces, such as sections of the art, since i 5 I-beams or channels, with the least possible What I claim is waste of material and in such manner as to 1. Abrake-beamcomposed of aflanged piece obtain an article of great strength and rigidity. cut through the web with longitudinal slits, the I make the brake-beam by slitting a flanged middle member and flanged. side members thus bean1-section with slits extending longitudiconstituted being separated in a direction 3 nally through its web, so as to afford a middle transverse to the web; substantially as demember and two side members,and then bendscribed. ing the middle member away from the side 2. Abrakc-beamcomposedoialianged piece members in a direction transverse to the plane cut through the web with longitudinal slits,the of the web and accommodating for the shortenmiddle member and flanged side members thus 35 ing oi? the metal so occasioned, preferably by constituted being separated in a direction bending the sidemembers away from the midtransverse to the web, the side members being dle member orlaterally toward each other. bent to compensate for the shortening of the 5 In Fig. 1, 2 represents a section of the metal piece due to the bending of the middle membeam, which may be an I-beam or a channelber; substantially as described. 4 beam, from which my brake-beam is made. 3. Abrake-beamcomposed o'i'aflanged piece It is slit longitudinally through the web by cutthroughthe web with longitudinal slits,the two cuts 7) 7), thus alibi-ding a middle member middle member and flanged side members thus 9 c and two side members (i (I. Then by suitconstituted being separated in a direction able dies the member 0 is bent away from the transverse to the web, and the side members 45 members a d in a direction at right angles to being bent toward each other; substantially the web, and at the same time the members as described. (Z d are bent together so as to compensate for 4. Abrake-beam composedofaflanged piece m the shortening of the metal caused by down out through the web withlongitudinal slits,the

transverse to the Web, and the middle member I being flanged; substantially as described.

In testimony whereof I have hereunto set my hand February-l8, 1904i.

ETHAN l. DODDS.

Witnesses:

JOHN MILLER, H. M. GORWIN.

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