USRE15394E - Method oe harvesting sttjups - Google Patents

Description

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z m iim E. A. McKOY AND a. n. MOORE.

METHOD OF HARVESTING STUMPS APPLICATION HLED MAY 20, 19 21- Reissued June 27, 1922.

E. A. McKOY AND a. n. MUDRE.

METHOD OF HARVESTING STUMPS.

APPUCATION FILED MAY20,1921.

Beissfied June 27, 1922. 1 5,394.

2 SHEEISSHEET 2.

ma/exvroras, 6M 0. waif UNITED STATES PATENT OFFICE.

EDWIN A. MOKOY AND GEORGE D. MOORE, OF NEW ORLEANS, LOUISIANA.

METHOD OF HARVESTING STUMPS.

Specification of Reissued Letters Patent. Reissued June 27, 1922.

Original application filed September 21, 1917, Serial No. 192,567. Renewed July 9, 1919, Serial No.

309,767. Original No. 1,313,709, dated August Serial No. 471,257.

To all whom it may concern:

Be it known that we, EDWIN A. MoKoY.

and GEORGE D. MOORE, citizens of the United States of America, and residents of New Orleans, in the parish of Orleans and State of Louisiana, have invented certain new and useful Improvements in Methods of Han vesting Stumps, of which the following is a.

specification.

This invention relates to a method of harvesting stumps and has for an object to provide a method of disintegrating standing stumps and conserving the disintegrated material for further use in the arts.

It has heretofore been proposed to disintegrate standing stumps by means of a ro-. tary cutter, but in such prior attempts, the

' Serial No. 471,259, filed by these applicants,

coincidentally herewith, for the reissue of their Patent No. 1,313,708, is disclosed a mechanism which can be employed incarrying: out the present process although the present process or method is not confined to the use of such specific mechanism. For

- the purpose of illustrating one ofthe means for carrying into effect this method, the.

mechanism which forms the subject matter of the above'identified co-pending application, is illustrated again herewith.

In the drawing:

Figure 1 is a perspective view of the improved mechanism mounted upon'a dirigible power plant of the type ordinarily known as a caterpillar tractor;

Figure 2 is a perspective view of vention disclosing a different manner of conserving the cuttings from the boring tool, and l 3 Figure 3 is a view, partly in side elevation and partly in diametrical section, of the boring tool and housingtherefor. As disclosed in said co-pending applica tion, the device there illustrated comprises the in- 19, 1919. Application for reissue .filed May 20, 1921.

'I- is tool or cutter head is in the form of a solid of revolution usually of a diameter at least as large as the diameter of the stump to be harvested, but where the stump is extraordinarily large, this is not practical, and is preferably of hollow construction, being.

provided with knives arranged to deliver inwardly into the 'hollow of the head. By way of example, the cutter head ll illustrated in the drawings, is shown as in the form of an inverted cone, having a hollow interior, as indicated at 11,, andprovided with slots or openings 11 in its conical wall.

In these openings are set knives 11, arranged with their cutting edges projecting slightly beyond the working face, so that the cuttings or chips from said knives pass inwardly through the openings 11 into the interior of thehead. As shown in Fig. 5, the upper end of the cutter head is open,

and over this open end is disposed a housing13, with its lower edge engaging a groove 11 formedaround the base of the conical cutter head. It will be understood, that, as fully explained, in the above identiis held against rotation, but travels with the cutter head inits vertical movement. From a suitable outlet,13 of the housing, thedisintegrated material may be discharged .di-

conduit 15 and exhaust mechanism 16, to a receptacle such as the bag 17 In operation, the dirigible vehicle or tractor is manipulated so as tobring the boring or cutting tool or head into proper position immediately above a stump to be harvested. If, as is usually the case, the stump is no larger than the diameter of the cutter head, such head is approximately centered relative to the stump. If the stump is exceptionally large, it may be necessary to position the cutter head at one side of the center, but, in any event, the cutter head is properly positioned, and, then, while being continuously fied co-pending application, the housing-13 'rect-ly to any convenient .receptacle as the V v, sheet 14 (as shown at Fig. 2), or-through a II dients' which can be ezgtractedTfrom the i 1 teallybr by heat; as for iii-- 5 and disintegrate the stur n f) 12, cutting the; material up substantially across the grain iht'b shiall" particles I "(if granular appearance si ar in g'eneral 'appeamn'ce to sawdust In many parts of th'e' country theife are standing stumps c'ontainingvaluable ingre term niade fer cutting away or tanding ne provision'has or e6i1s'ervin'g the but material, I a t invtntibh relates to the cenv I ha g knives arranged to" deliver in- 35" wardl into a diameter afpptekimately' as large at least diameter tebe harvested and applyses', .previdin 'a, helle'w eo'nieal eute'a'd rdl'f y it ihined dep s itoiyiaiid' applying head to rdi'y rdtating 'the head and "lyas large a's the d1'- d; 'tvith a' t asing about euttgeif headarranged liver the cuttings e sa'd 'head teth h "material fOi' fiirthfer aetioni" dr ntili'zati'on The iitilizatien of the Ina- 1'- disitegratd "from the will suhjedt niatteribfnther and fura hollevv conical gutter mahoiiow bf the head mayor said Headtethe ii'p'fie'r end (if astninpit 'ddWnWardIy therein vvhi1e' I I I I I .i I I I I I the euttingste ajdefiniite. reheptaele; I v i'ocessoff'harvesting'stumps which 8: The herein deseribedymethod 6f: hart-W I having. knives arranged to I deliver ow Of the head and of ely as largeajs t-he di prbviding a heusing I from the interior of them to a ire-deter;

'tt tpper end of stamp and fer-ding itvesting s'mmps which I "cutter head "of 'a di -grail1'by'1i1'neans'0f a rotary 'cutterfg and com eentrating andrdirecting the fldvvj' 'of chips I kt hlrdwii ofihy su'h'eutter.

" w the" housing, and? try and npfly ap e via mp a as large as thedi am'eter to be harvested and 7 applying said headte the apneaend of a stump and forcing it downwardly therein While rotating the Head: II f 5: The prdc'e'Ssnf harvesting stumps v'vhich comprises, providing-a hollow cutter head having knives arranged =te cdje1ivei' eutti n sv "into the h'oliownoftheheadgjand Of a fainetei' apprbxiifnat'eiyv as largelas the (11- amet'er to be harvested, providing a ho sin t0 receivet-he cuttings from the interim pf the head and deliver them to a pee-determined; depb'si-tOry and applying "said head to the upper end Of a stuirn p a "forcing it dbwnwardly therein'while rota g the Head.

6. The process ofharvesdn stu p s comprises; providing a bellow cutter head of diameter ap roximately "a'slarge as the diameter to be harvestedywith a housin 'abo' i't said cutter head; said cutter head arranged to deliver theciitting intu t-he hous- I I ing ahdthehousing arranged to deliver the c uttingsto predetermined depository and a plying I the said head to t the I up er end: "of

a stum'p'and forcin th cutter and housing d'evvnwar'dly vvhii'erotating the eutter head and holding the housing against r'etati'on. I

7. The herein described methed" of har-Q vesting: stumps which* eensists f in v progressiv'ely I cutting awaythe stnmpbyvmeans "of a rotary cutter; and cenfining and: directing sively 1 disintegrating, the stiinip frein the a top a downward, and eonfining and collecting the disintegratedmaterial; r

a a The herein "described method- 0f har- 1 vesting .-stumps which consists-in progres- I sively i disintegrating the stiimp by means of a 'rotary cutter; 'zcenfiningthe disintegrated material as itisthrovv neifi bysii'ch (butter,

and continuouslydirecting it to i-ec'eptadeh '1' 10. The'herein described' methodi 'ofi har-- vestingl 'stiimps which consists progrestures. a a a v I EDWIN aMdKeYw s enenen D OQ EI

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