US1219649A - Timber-feeder for sawmills. - Google Patents

Description

F. LARSEN.

Patented Mur. 20,1917.

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TIMBER FEEDER FOR SAWMILLS.

APPLICATION FILED APR. 17| l9l4.

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TIMBER FEEDER FOR SAWIVIILLS.

APPLICATION FILED APR. I7 |914.

Patented Mar. 20, 1917.

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FQL'ARSEN.

TIMBER FEEDER FOR SAWNHLLS.

APPLxcATloN HLED APR. 11, 1914.

1,21 9,649. Patented Mar. 20, 1917.

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MZ M? UNET FREDBICK LARSEII, OF SKANDIA, MICHIGAN.

TIMBER-FEEDER FOR SAVJVIILLS.

minces.

To all aU/wm it may concern.'

Be it known that l, h'iannmcn LARSEN, a citizen of the United States, residing at Skandia, in the county of Marquette and State of Michigan, have invented certain new and useful lmprovements in Timber- Feeders for Sawmills, of which the following is a specication.

This invention rela-tes to timber feeders for saw mills. The object ofthe invention is to provide such a device comprising a frame provided with track upon which a forwardly and 'backwardly movable carriage is provided which carriage is connected by a lever-controlled feed device and equalizer with said frame and through the medium of which device the timber to be cut is prevented from turning or moving independently ofV the carriage during the sawing operation which movement, otherwise, would cause binding stress upon the saw; another object is to prevent irregular movement of the carriage during the sawing operation.

With the foregoing and other objects in view the invention consists in the combination and arrangement of parts'to be hereinafter fully described in the following specification, point-'ed out in the appended claim and illustrated in the accompanying drawings which form a part of said speciication and in which Figure l is a front elevation of my iniproved machine.

Fig. 2 is an end view taken at the front end of the machine on line 2 2 of Fig. 1.

Fig. 3 is a cross section taken on line 3-3 of F ig. 1.

Fig. a is a plan of the saw carriage.

Fig. 5 is a plan of the carriage-supporting means including the feed device and equalizer.

Figs. 6, 7, 8, 9, 1-0 are enlarged detail views of portions of the feed device and equalizer.

ALike reference characters indicate corresponding parts throughout the several views.

The frame of my device comprises a plurality of supporting posts or standards 1 IiXed to brace ties 2 and connected by longitudinally extending rails 3; said standards are further connected in pairs by transversely extending braces l which are formed with semi-circular centrally dis- Spccifeation of Letters Patent.

rammen Mai. en, ieiv.

.f Application filed April 17, 1914. Serial No. 832,445.

posed grooves adapted to receive a longitudinal tube 5 which is further secured in position against lateral movement, but capable of rotary movement, by yolzes 6 also grooved to fit said tube and which are connected to the braces Llby bolts 7. To the upper ends of the standards 1 transversely extended rails 8, disposed in the plane of the brace ties 2, are fixed which carry narrow gage track 9, 9 and broad gage track l0 and upon said track the log carriage is movably disposed which comprises a pair of longitudinally extending beams 11, 11 connected by the truck pieces 12, 18, 14:; thle truck pieces 12 and lll being provided with grooved wheels l5 and the truck piece 13!y being provided with Hat wheels 1G adapted to run upon the tracks previously described.

rlie log carriage is further provided with a plurality of log stops ll' connected by braces 18 to the beams ll and with rolls 19 bolted as at 20 to said beams 11. The front end of my saw carriage is provided with the bifurcated standard 21 in which the leg retaining lever 22 is pivoted.

In Figs. 1 and 2 the log cariiiage is shown disposed upon and operatively connected to the frame. One or more logs are manually placed upon the rollers 19 of the carriage and extend longitudinally of the same to be cut by the saw (not shown) which is disposed iunnediately in advance of the front end of the carriage and frame which is indicated by the line of F ig. 1.

To the truck pieces 1:2, 13, le of the log carriage l secure draw blocks 23 which blocks carry the draw bars A that are connected by arms with the tube 5; said arms being provided with the sectional clamps 26 which partially encircle said tube and said arm 25 further is formed with a shoulder 27 square in cross section and fitted into a square opening in the tube to prevent rotation of said arm.

The tube 5 is rotated in its supports by means of curved arm 25a, secured to the pipe in a manner similar' to the arm 25 that engages a pitman Q8 connected to a hand lever 29 which is pivotally disposed upon a pin 30 that connects a pair 0f parallel supports 3l, 3l connected to the rails 3 and to said supports an angle iron 32 is secured, the upper or free end of which is adapted to serve as a stop for the arm 25 as the CJi lever 29 is moved in one direction :ind as :i stop it'oi.' the pitmzin 528 :is this lever is moved iii the opposite direction.v

The log to be ciit is miiniiiilly fed beyond the front end of the carriage :is desired to permit its engagement by the smv und then looked in this position by the log retaining, lever rlhe cai-ringe with the log in locked position is Anoiv moved toward the sziiv by means of thc lever 2Q which is rziised or moved troni the position shoivn in Fig. 2 to the position shown in Fig. 3, thiis censing piirtifil rotation oit' the tube 5 through the medium oi the pitmfin 28 and arm 25 find7 tiiitliei', csiiising the :irm 25 and driiivV bar @4t to impel the sziiv carriage toward the sziiv or in the direction ot the log stops 1.7. This movement czin be effected gradiizilly :is the sziiv penetrates the log' und the several arms 25 and draw bars 24 connecting the carriage and tiibe 5 msiire regular movement of sziid carriage and of the log carried thereby, the stop or :ingle iron F32 Copies of this patent may be cbtiined for eiectiizi-lly preventing movement of the ciirringe beyond its -traine in either direction.

`What is claimed is:-

ln i timber feeder for saw mills, n frame, f

said pitinzin as the carriage moves in the` opposite direction. ln testimony that l claim the ioregiiig .iis my own lv have hereto :ii'lixed my signature in the presence 'ot tivo siibseiibiiir;l wie nesses. f l

, Y* FREDRCK Liillil. Witnesses F. J. JOHNSON, LENA JOHNSON.

five cints each, by addressing the Commissioner of Patents, Washington, D. G.

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