US1060952A - Log-bunk. - Google Patents

Description

E. B. SHIELDS.

LOG BUNK.

APPLICATION FILED JAN. 9, 1913.

Patented May 6, 191;

UNITED S ES PATENT i EDWARD .B.' SHIELDS, OF'TACoMA. wasmno'ron, ASSIGNOB; To URTL -nAoK Loo BUNK ANDCAR STAKE COMPANY, OF TACOMA,-WASHINGTON, .A coRPomTIoN or WASHINGTON.

"Loo-BUNK i Originatappltcationflled as 25', 1912, Serial no. 686,006. 'mviaeasna this application filed Ienuary 9,- 191s, serialnoaulm'z g 7 To all ll'hom it may concern:

. Be it. knownithat- I; Eow'ano "B. Shrimps, acitizen oft-he United States. residing at "laconnnin the conntygo'f Pierce and .State of;a shin; ton, have-invented a new and useful IJOgi Bunl 0f which the'following is a specification,

This invention relates to bunks 1 adapted to hemounted on a. fiat carnnd on which logs may be piled, and hasfor its objects tovprovide a bunk which is very strong and. stiff ,in for'mj' and {tlnis capable of standing: the strains developed when -\-'erf large logsare rolled thereon inloading the car: which 16' reinforces the carbody distributing; thestralns aeross the entire-width of the cal-{- which has means zfor'retaining and guiding 'areleasable stake ateach; ;end. beyond the side.- sills of the ear; thusimaking the fn'lli w i dth 'of the car a v-ailable for logs; which preyents the] accumulationo't dirt. bark,

snow or icdin any way which wonld -'interfere .witlnthe'..free action of-the stakes: and

. which protectsthe car from being damaged zsbyn log beingnnlonfled.

c Another obgeet of 'my invention is to pl'm' vide improved means of mounting the bunk onthe car whereby the-sills of the car ar e. tied together across the car and-are kept 80 from spreading under the heavy loadsand the strains across the car are carried tothe.

sills; and whereby thebnnk is secured to the sills without making any holes therein which would weaken thern. c

36 I attain these and other-objects by the devices, forms-and arrangements illustrated in the accompanying drawings, in which- Figure 1 is a perspective iew of the bunk showing a-portion of one side-sill under one end thereof; Fig. 2 is a vertical longitudinal section of one end of the bunk; 3 is a side elevation thereof; Fig. 4 is a plan thereof; andFig; 5 is a cross-section thereof. V Similar numerals of reference refer to similar p'arts throughout'the several views. The bank illustrated in'the drawings and 'described. herein is the same as that illustrated in my applicationfor'Let-ters Patent 150 .for car stakes, Serial No. 686,006.1ltarch 25,

1912 and thisapplication is divided out from the sold application.

The main-bod of the bunk 1 is formedas shown In sect1'on. in Fig; 5 ofan -inever not completed to the, crown-oft] vcrted-U or high arc h shape; haiing fsnbstantially; parallel -and vertical sides ,2;-

- joined-ontop by a substantiallys'einicircula r--.

'tioned'carstake with the radiusarnithereof; pair, of vertical flanges 5 extendjdown .frmn eachsnle of said slot,pnefflange hav ing' its outer edgeverticirl and ex tndind closes the. end of the bnnlq'theoth being similar except that amount e tending-slmnlder 7 1s forlnedjthered The-- said flanges 5 form the gnideit all said stake. The. end 'walttifekteiids jorily from each flange '5 to the walls2 andan-chi of the bunk but not between the two-flanges; 3 'lhetwo'flanges 5 extend down b iiloii lsoz the level of the base of the bunk so as to form a bracket to engage the out-er side of the side sill 8 of the'car, and are joined together below the top of the sill 8 by a web 9, thus forming a very strong, and stiff hearing plate or bracket hereby the inward side pressures on the bunk are transferred to the sill and whereby the two side sills are tied tdgethenand thus reinforced. Holes 10:1ie' y made in the end walls (3, through which the bar of the stake on the opposite: side passes as described in the above mentioned application. A pailko'f brackets 11 extend out from the lower edge of the side walls-2 near each end of the bunk, being; adapted to supportthe end of the releasing; lever of said stake bar as described in said applicat-ion. The-bunk is supported by the lower edges of the side walls 2, having bearing flanges 100.

12 and 13 extending ,ontfrmn the said walls at the points-where-the beargnrthe side or intermediate sills of the car respectively. One endbcaring flange 12 extends a short Y distance out from the sill while the one" on 1.05. the other side of the hunk extends a simil'ar distance-inward. These two extensions haye' .bplt. holes therethrough. -A pair of bolts 14 pass through the said holes and through: holes in the ends of a clamp plate 15 which.

engages thelower diagonally. beneath lies'against the inner side of thesill while. the other similarly engages the outer side side of the sill 8, lying thereof. The bunk is therefore held on the sill by the'bolts without making'any holes in the sills or in anyway weakening them. It will therefore be seen that the vertical depth of the wallsand arch give this'bunk great strength; The -weight and strains from the log, which lies directly. upon the arch of. the bunk, are transmitted to'the car through the arched portion and separated walls of the bunk which distribute the strains evenly across the car. "The arch sinks slightly into'th'e bark of the log thus holdin 'itfrom a toofree movement end wise t ereon.- The fact .that'-1the'- bas'e is open between the .separated vertical walls prevents the accumulation of'r'efuse' which I might interfere with the free operation and control of the stakes," and this effect is'fu'rther enhanced by th'e'fact that. the top is entirely closed against "such refuse except at the end slots which are occupied by-the the bunks themselves extend out beyond thef'sides of the car is of great practical. value since the sides are thus protected from damage from thelogs' when they are beingunloaded and further it gives the free use of the entire width of the car for logs. The novel method of attachingthe bunk on the car is also of value as it .reinforces the car without'=weakening the sills by bolt holes. The bunk is lpreferably made of cast steel being integra throughout.

Having claim is:'

' 1. A deviceof'the ing a bunk extending across the car and having a semicylindrical top adapted to receive logs.

2. A device. of the class described comprising a bunk extending across the car and having a semicylindrical top adapted to receive the logs, and an open bottom whereby no dirt is retained therein.

3. A device of the class described com-.

prising a bunk extending across the car and having two vert cal parallel walls, joined by a semicylindrical topmtegraltherewith and adapted to receive the logs.

A. A device of the class described, comat their base, it. One of said bolts 14' described my inventionwhat I class described comprisprisinga bunk extending across the car and having two vertical parallel walls, separated but joined together by a semicylindrical top integral therewith and adapted to receive the logs. 15. A device of the"cla ss described, comprising a bunk extending across the car and having'a semicylindrical top adapted 'to receive the logs, and having extensions to the ends of said arched top to protect the sides of the can;

6. A device of the class described, com prising a bunkextending across the car and having a semicylindrical top adapted to re- 7 0 ceive the logs, and having bifurcated extensions to .the ends. of said arched top to. receive a.log retaining means. 7. A device of the class described, com

prising ajbunk extending across the car and having two vertical parallel walls coextensive with the'width of. the car,,joined by an arched top,i-ntegral therewith and adapt-. edto receive the logs, saidarched top ing'bifurcated ends extending beyond the sides of the car to receive a log retaining means. I

'.8. A device of the class described, comprising a bunk extending across the car and havin brackets extending downward from its ends and engaging the sides of the car, imd an arched topadapted to -receive,the

9. A device of the. class described, comprising a bunk extending across the car and having brackets extending downward from its ends and engaging the sides of the car, and having vertical parallel walls joined by an arched topintegral therewith andadapted to receive the logs.

10. In a device of the class described, the combination with a bunk extending acrossthe car; flanges formed on the bottom of said bunk and extending outward there from, said flanges being-positioned to extend in pairs beyond the inner and outer sides of the side sills respectively; clamp plates'adapted to engage the lo'jversurfaces of the said side sills and extending beyond them; and bolts passing through said clamp plates and said flanges on each side of each of said side sills whereby said bunk is clamped to said sills.

- E. B. SHIELDS.

W'itnesses:

F. D. Marion, 0. R. JACKSON.

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