US836371A - Carline and method of manufacture. - Google Patents

Description

PATENTED NOV. 20, 1906.

E. I. DODDS.

GARLINE AND METHOD OF MANUFACTURE.

APPLICATION FILED MAY 17.1905- nying drawings,

, formed d1emembers,

. while its flanges are at 1nto a common ETHAN 1. nouns, or

PULLLWIAN, ILLINOIS, ASSIGNOR TO THE PULLMAN COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

CARLINE AND METHOD OF MANUFACTURE- No. 836,371. Specification of Letters Patent.

I'atented Nov. 20, 1906.

Application filed May 1'], 1906. Serial No. 260,810.

To all whom it may concern Be it known thatI, ETHAN I. Dorms, a

citizen of the United States, residing. at Pull-' State of Illi- I useful following is. a

an pertains more particularly tothat classofi carlines which are made of pressed steel.

:The objectof'myinvention is to provide an improved carline combining the: maxi mum of strength and rigidit "with a minimum of cost and increase manufacture.

Another object of the invention is to provide a carline which-can readilybe made by pressing the same from a commercialjorm of;

expense ofmanufacture of t is A carline constructed in accordance-,with' rolled beam, such as a channel-beam,

illustrated;i 1 aicgonil'pdg Where1n--'-' end view of my invention is Figure l is an channel-beam from which my improved carli'ne ispreferl 2' is a side elevational ably formed, Fi view'of a longitu carline. Fig. 3 is a Fig. 4 is a cross-sectlonal al half of my iin roved larged scale, at the longitudinal center-ofthef carline; and Fig. 5 is on a reduced scale, ofthe'cornplete'carhne. In constructing. my improved referably start eam A of a suitable length to extend from plate to plate of thecar. This beam is subected to; compression ressed upwardlyto forma the same time drawn horizontal f-plane on either side of saidoutwardly-bent body portion. In order to secure uisite for the upper edge of t e carline, the displacement of the web isgreatest at-the center, where consequently the body has its highest and narrowest formation, as shown at B, the body tapering with a; gradual decrease in height and-increase in width from the center to the ends, he downwardly-sloping u per surface of the body being re resente y-C and the warped si es by D. llhe two sides of the channel-beam are pressed d the Methodsor by simply Either or simplicity of I ;.de'scrib ed form may top plan view-of ig. 2'.

' view, on an enj- 'to forma'hollow bod t 'a slde elevational ,view, tdlie in a common p pressed-up carhne I 1 with a section of channelk up its web along between su1tably whereby'its web is ollow body,

the low, slo ingform reqinto the common horizontal plane of the lower horizontal edge of the' outwardlypressed body, thus forminglateral flanges E, that secure the necessary lateral rigidity of the member.

The upper surface C of the body member is preferably provided at intervals with seats for the purlins, which seats may be formed by cutting out the metal, as indicated at F, depressing it, as indicated at G. both forms of seats may be emplo ed in the same structure.

he flanges E'may be formed with suitable bolt-receiving holes H opposite the pu'rlinseats to receive bolts umtlng the purlins to the carlines.

By the use of suitable dies a carline of the be readily pressed-by a single operation from a commercially-rolled channel-beam, thus reducin the labor and element of .a

car structure to a minimum.

forda rigid memberwell'adapted' to resist transverse strains in any direction. Iclairn-" 1. ,The method of manufacturing a carline,

from a channel-bar which consists in, ressmg v At the same time tlie disposition of the metal resulting fromthe pressing operation is such as'to atup itsweb, along its lon itudinal me ian-line e flanges'being bent 7 ans on either side of the web, substantially as described. 2. The method of manufacturing a carline. from a channel-bar which consists in (p its longitudinal me to form a hollow body of raduallydecreasing'hei'ght and increasing width from its center to both ends, substantially as described. 3., The method of manufacturing a carline from a channel-bar which consists in (pressing up itsweb along its longitudinal me ian line to form a hollow body'of gradually-decreasing'height and increasing width from its center to both ends, and bending the flanges to lie in a common lane on either side of the lower edge of sai body, scribed.

substantially as de- '4. The method of manufacturing a carlinefrom a channel-bar,

line to form a hollow bo y of decreasingheight from its center to both ends and bending the flanges of said channel-bar to lie in a I which consists in press mg up its web along its lon 'tudinal median common plane on either side of the lower might; and increasing width from its center edgeol' said body, substantially as described. to either end, said body having lateral flanges 10 A pressed-steel carline having a, hollow lylngln a common plane on either side of its body, said body belng of gradually-deoreaslower edge, substantially as described.

5 mg might and lncreasing width from its con- ETHAN I. DODDS.

tor to both ends, substantially as described. v 4 Witnesses:

6. A pressed-steel earlino having a hollow SAMUEL N. POND,

body said body being of gradually-decreasing FREDERICK C. GOOD-WIN.

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