US830550A - Roll-grinding machine. - Google Patents

Roll-grinding machine. Download PDF

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US830550A
US830550A US25692605A US1905256926A US830550A US 830550 A US830550 A US 830550A US 25692605 A US25692605 A US 25692605A US 1905256926 A US1905256926 A US 1905256926A US 830550 A US830550 A US 830550A
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carriage
grinding
way
driving
wheel
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William M Wilhelmi
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally

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  • the objects of this invention are, first, to provide an-improved roll-grinding machine by which rolls of large size may be satisfactorily ground; second, to provide an improved roll-grind' machine bywhich such rollsas the rolls lpaper-makingimachines may be satisfactorily ground Without removing them'from the machines; third, to rovide an improvedv roll-grinding mac 'ne which may be ⁇ readily adjusted for grinding rolls of varying diameters; fourth, to provide an improved rollinding machine adapted to be adjusted so tat it produces the desired crowning of the rolls; fifth, to provide an.
  • FIG. 1 is a planview'oflmy improved roll-grinding machine shown in operative relation with a roll to be ground.
  • Fi .2 is a ing mac ne.
  • Fig. 5 is a detail plan'view showing the'supprt' and the means of horizontally.
  • chine takenfrom the left -of Fi .l 4 is an enlarged transverse sectional view ta en on aline corresponding to line 4 4 of Figs. 1
  • Fig. 6 is a detail vertical sectional Specification of Letters Patent. Application filed April 22, 1905. lserial N0. 256.926-
  • panyingA drawings forming a part of thisv justment of the grinding-wheel, taken on a line corresponding to line'6-6 of Fig. 5.
  • The'longitudinal rails are braced at intervals with X-shaped brackets I, as clearly appears secured together.
  • the way is further strengthened by the longitudinal truss-rods a. and a.
  • VThe truss-rods-a which braceV the way laterally, are secured to the brackets which are mounted on the inner faces of in Fig. 4, so that they are firmly and rigidly the longitudinal rails A.
  • These truss-rods Figs. -l and 4. .he truss-rods are arranged throu h the centrally-arran ed bracket a, (see ig. 1,) which forms t e truss-block.
  • the truss-rods a prevent the horizontal sagging ofthe way.
  • the way is adj ustably supported upon the standards B, which are provided with crossieces B', on which-it rests.4
  • the cross-pieces are adjustablyse'cured to the standards bymeans of bolts b, which are arranged through suitable slots b in the standard. (See Figs. 2 and 3.)
  • the way is rigidly secured in position upon the crosspieces by the set-'screws b, Which are arranged through the upper ends of the stand- .ardsand enga e the bottom rails A.
  • the set-screws are arranged4 through suitably-projecting lugs cf on the carriage. (See Figs. 4 and 6.) By means of this vertical adjustment the grindingwheel v D may be properly adjusted to bringit to the his bracketl IOO IOS
  • the bearings E for the shaft D ofthe grinding-wheel are carried by the yoke E, which rests upon the arms C.
  • Thls yoke is adjustable horizon- Abolts e, which are arranged through suitable slots e' in the yoke. (See Fi 5.) By this adjustment the grinding-whee isbrou ht into proper relation to the roll to be groun
  • the carriage C is provided with the platform C upon which an electric motor, as G, is mounted T e motor is connected to the pulley D of ⁇ the grinding-wheel shaft by a vsuitable, belt,l as G.
  • the carriage C is drivenb means of the screw bearing-shaft F, which 1s mounted in suitable bearings F onthe way.
  • the screw-shaft F is provided with a-pulley F at one end, Which" 1s connected by means o-a suitable belt to the roll to be ground, as H. 2o (See Fig. 1.) 'Two belts are shown in the fig ⁇ ureto show that the shaft may be driven m either direction in this manner.
  • the car- I'iage C is connected tothe driving-shaft'by means of the split nutf. (See Fig. 4.)
  • the nut f thrown into and out of its eng-ag position by means of the lever f; w c is connected 'to the halves of the nut by the linksf ⁇ and f.
  • These links are -pivoted to the lever on op osite sides of the pivot'- oint, so that b oth halves of t enut are either thrown together to engage the shaft or apart to release 1t.
  • a way consisting of longitudinal rails secured together by suitable cross-pieces to form a rectangular frame; truss-rods arranged in pairs to truss said wa laterally, said truss-rods being provided with adj us ing means whereby said way may be bowe a carriage; a bracket adjustably secured tosaid carriage; a'grinding-wheel; bearings'for said grinding-wheel adjustably secured upon 'said Y bracket; a screw driving-shaft for saidv carrIo 5 riage; a divided driving-nut on said carriage;Y a plvoted lever; links connected to the parts of said nut and to said lever on opposite sides of its pivot-point; an electric motor for driving said grmding-wheel, mounted on said no Lcarriage; driving connections for said screwshaft; a support for said way comprising standards; and cross-pieces4 adjustably se- ⁇ cured to 'said standards, coacting for the purpose specified.
  • the combi# nation of a way consisting of longitudinal rails secured together by'suitable cross-pieces to forml a rectan ar frame a carriage a bracket adjusta ly secured to said carriage; a 12o ding-wheel; bearings for l-said grinding-v wheel adjustably secured upon said bracket; 4 a screw driving-shaft for said carriage; a divided driving-nut on said carriage; a pivoted lever flinks c'onne'cted tothe parts of said nut- 1 25 andto said lever on opposite sides of its pivoted oint; an electric motor for said grin -wheel, mounted on said carriage; driving connections for said screw-shaft; a
  • a roll-grinding machine the combination of a way consisting of longitudinal rail secured together by suitable cross-pieces to orm a rectangular frame; a carriage; a bracket adjustably secured to said carriage; a grinding-wheel bearin sfor said grinding- Wheel adjustably'secure upon said bracket; a screw driving-shaft for said carriage; an electric motor for .driving said rindingv wheel, mounted on said carriage; and driving connections for said screw-shaft, coacting for the purpose s ecified.
  • apivoted lever links connected to the-parts of said nut and to saidle'ver on oppositesides offits ⁇ ivot-point; and driving connections nation. of al way; truss-rods arranged iii-pairs i toftrusslgsaid way.
  • said ,truss-rods beingprovided with' adjustingmeans -wher'ebyjjsaid w'ay may be' "bwed;l va'fcarriage; a grinding-'wheel adjustably .mounted A on said can'iage; a-,screw driyingshaft forsaid carfor ⁇ 'sai v f.-screW-shaft foi'gthe purpose specified; ,i v i f 171, i "a roll-grinding machine, the combi-.
  • grinding-'wheel adjustably.'mounted onl said carriage; -a screw driving-shaft for said car ⁇ riage; and driving connections for saidsc'rew;
  • a way In a roll-grinding machine, the combination of a way; truss-rods arranged in airs to truss said Way laterally, said truss-ro s being provided with adjusting means whereby said way may be bowed; a carriage; a grinding-'wheel mountedl on said carriage a screw Y driving-shaft for said carriage a'n electric motor for driving said grinding-.wheel mount- ⁇ ed on said carriage; driving connections for said screw-shaft;a .support for'said way, comprising standards; and cross-pieces adjustably mounted on said standards, for the purpose specified. 23.
  • the combi- ⁇ nation of .a way truss-rods arranged in airs to truss said Way laterally, said truss-ro s being provided with adjusting means whereby said Way may bebowed; a carriage; a grinding-wheel mounted'on said carriage; a screwy drivingshaft for ⁇ v said carriage; an electric motor' for driving said grinding-Wheel mounted on said carriage and driving connections for said-screw-shaft, for the purpose specied.

Description

NO- 830,550. v v PATENTED SEPT. 11, 1906. W. M. WILHELMI.
ROLL GRINDING MACHINE.
'APPLIUA'TION HLEDPB. 22, i905.
2 SHEETS-SHEET -1.
' WitQe-sssf To allwhom it may concern.:
WILLA'M M.. WILHELML' oF KALAMAzoo, (MICHIGAN.
RoLLGRiND|NG MACHINE.
Beit known that I, WILLAM M W ILHELML, a citizen of the United States', and a resident of the city and county of Kalamazoo, State of Michigan, have invented certain new and useful Improvements in Roll-Grinding Machines, of which the followingis a specification. f y This invention relates to improvements in roll-grinding machines. 5.
The objects of this invention are, first, to provide an-improved roll-grinding machine by which rolls of large size may be satisfactorily ground; second, to provide an improved roll-grind' machine bywhich such rollsas the rolls lpaper-makingimachines may be satisfactorily ground Without removing them'from the machines; third, to rovide an improvedv roll-grinding mac 'ne which may be `readily adjusted for grinding rolls of varying diameters; fourth, to provide an improved rollinding machine adapted to be adjusted so tat it produces the desired crowning of the rolls; fifth, to provide an.
improved roll-grinding machine which may be quickly adjusted to compensate for the wear of the grinding-wheel; sixth, to provide an improved roll-grinding machine which'is I comparatively simple'in construction, is very side. elevation view of my improved ro -grinddurable, and easy tomaniplate in use.
Further "objects and objects relating 4to structural details will definitely appear from the detailed description tol follow. Il accomplish the objects of my invention bythe devices 'and meansdescribed in the following specification.-
The invention is clearly defined, and pointed out in the claims. y
A structure embodying the features .of my invention is clearly illustrated in the accomspecification, in which- Figure 1 is a planview'oflmy improved roll-grinding machine shown in operative relation with a roll to be ground. Fi .2 is a ing mac ne. Fig. 3 is', an enlarged end elevation= ol my improved roll-grinding mavand-2... Fig. 5 is a detail plan'view showing the'supprt' and the means of horizontally.
chine, takenfrom the left -of Fi .l 4 is an enlarged transverse sectional view ta en on aline corresponding to line 4 4 of Figs. 1
adjusting the grinding-wheel, partially insection, on a line correspondingl to line 5 5 of Fig. 4. Fig. 6 is a detail vertical sectional Specification of Letters Patent. Application filed April 22, 1905. lserial N0. 256.926-
'are arranged in way, is provided.
panyingA drawings, forming a part of thisv justment of the grinding-wheel, taken on a line corresponding to line'6-6 of Fig. 5.
In the drawin sthe sectional viewslare -taken looking in t 'edirection of the little arrows at the ends of the section-lines, and similar letters 4of reference refer-to similar parts throughout the several views. 4Referring to the drawings, I provide a wa preferably made .up of longitudinal rails A and cross-pieces A the rails A bein disposed Patented Sept. 11, 1906."
view showing the means for the vertical ad- 4at the corners, forming a rectangu ar frame.
The'longitudinal rails are braced at intervals with X-shaped brackets I, as clearly appears secured together. The way is further strengthened by the longitudinal truss-rods a. and a. VThe truss-rods-a which braceV the way laterally, are secured to the brackets which are mounted on the inner faces of in Fig. 4, so that they are firmly and rigidly the longitudinal rails A. These truss-rods Figs. -l and 4. .he truss-rods are arranged throu h the centrally-arran ed bracket a, (see ig. 1,) which forms t e truss-block. The truss-rods a prevent the horizontal sagging ofthe way. The way is adj ustably supported upon the standards B, which are provided with crossieces B', on which-it rests.4
The cross-pieces are adjustablyse'cured to the standards bymeans of bolts b, which are arranged through suitable slots b in the standard. (See Figs. 2 and 3.) The way is rigidly secured in position upon the crosspieces by the set-'screws b, Which are arranged through the upper ends of the stand- .ardsand enga e the bottom rails A.
airs, as clearly appears in A carriage ada ted to travel upon the v his carriage. sadapted to restupon the top rails of the way and is rovided with a downward extension atvthe ont, upon which the grinding-Wheel is adjustably secured. This downwardly-extendmg portion of the carriage bears upon the lowerinner rail` A. The grinding-wheel is supported upon the outward] -projecting arms C" of the bracket C. C is adjustablysecured to 'the carriage Cv by means of the screws @which are arranged through suitable slots c., in thebracket, and the set-'screws cf, which engage the bottom of .the bracket. The set-screws are arranged4 through suitably-projecting lugs cf on the carriage. (See Figs. 4 and 6.) By means of this vertical adjustment the grindingwheel v D may be properly adjusted to bringit to the his bracketl IOO IOS
center of the roll to be ground. The bearings E for the shaft D ofthe grinding-wheel are carried by the yoke E, which rests upon the arms C. Thls yoke is adjustable horizon- Abolts e, which are arranged through suitable slots e' in the yoke. (See Fi 5.) By this adjustment the grinding-whee isbrou ht into proper relation to the roll to be groun The carriage C is provided with the platform C upon which an electric motor, as G, is mounted T e motor is connected to the pulley D of `the grinding-wheel shaft by a vsuitable, belt,l as G. The carriage C is drivenb means of the screw bearing-shaft F, which 1s mounted in suitable bearings F onthe way. kThe screw-shaft F is provided with a-pulley F at one end, Which" 1s connected by means o-a suitable belt to the roll to be ground, as H. 2o (See Fig. 1.) 'Two belts are shown in the fig` ureto show that the shaft may be driven m either direction in this manner. The car- I'iage C is connected tothe driving-shaft'by means of the split nutf. (See Fig. 4.) The nut f thrown into and out of its eng-ag position by means of the lever f; w c is connected 'to the halves of the nut by the linksf `and f. These links are -pivoted to the lever on op osite sides of the pivot'- oint, so that b oth halves of t enut are either thrown together to engage the shaft or apart to release 1t. By
thereto, as desired. This .is of advantage, as some portions of a roll ma grinding than others. By re easing the drivmg-nut the carriage can .be readily reciprocated on the way. 'l A The roll II,in` relation'to which-I. have shown my improved roll-grindin machine,l is shown in conventional form. t is evident that such rolls as-e g., those of aper-making machines-may be them from the mac es.
I have shown'm'y improved grinder mounted upon the standardsB. I willstate., however, that lthe way is in some instances mount ed directly upon the frame of the paper-making machine. The out removing .them from the machineis of ve great advantage, as these rolls weigh severa tons, and when it is necessary-to remove them from thel machine a. large amount of time is consumed furthertha' that neces.
vsary for the actual operations. It is also vthen necessary to provide s eci'al mounts therefor. It is necessary in o r -er to ysecure good results-that theserolls be perectly ground-hat is,
' from end to end. Itis therefore necessary that the waybe very Otherwise itis likely to sag orto bow out, whichwill of course 'produce undesirable results, as the rolls to' be ground areofften twelve or fourteen feet tally by means of the set-screws e and the e operation of the lever 1 this arrangement the'carriage can be disengaged from its driving means or engaged require .more
ound wit outrexnoving ,of the rolls withuniformly ground length. It is sometimes desirable to grind the rolls crowning. I accomplish this by the adjustment of the way, bowing the same out slightly by means of the truss-rods a. By th1s means Iam enabled to secure the desired crownin and at lthe' same time have the roll unifor y and perfectly ground., By mounting the driving-motor for the grinding-wheel upon the carriage the same is independently drivenv and -without the aid of shafting, which is a very desirable feature.
By arran g the arts as I have illustrated and iidcribed am enabled to accurately adjust the machine to various sizes of rolls Iin varius positions. f It may also be quickly adjusted to compensate for the wear of the grinding-wheel in operation.
I have illustrated and described my imoved roll-grinding machine in detail 1n the orm preferred by me on account of its structural simplicity and conveniencein o eration. I am, however, aware that it is capable of considerable variation in structural details without departing from myinvention, ,and I desire 'to claim the same specifically as illustrated as well as broadly. Y Having thus described my inl'vention,what I claim as new, and desire to secure by Letters Patent, is-
1. Ina rollfgrinding machine, the combination of a way consisting of longitudinal rails secured together by suitable cross-pieces to form a rectangular frame; truss-rods arranged in pairs to truss said wa laterally, said truss-rods being provided with adj us ing means whereby said way may be bowe a carriage; a bracket adjustably secured tosaid carriage; a'grinding-wheel; bearings'for said grinding-wheel adjustably secured upon 'said Y bracket; a screw driving-shaft for saidv carrIo 5 riage; a divided driving-nut on said carriage;Y a plvoted lever; links connected to the parts of said nut and to said lever on opposite sides of its pivot-point; an electric motor for driving said grmding-wheel, mounted on said no Lcarriage; driving connections for said screwshaft; a support for said way comprising standards; and cross-pieces4 adjustably se-\ cured to 'said standards, coacting for the purpose specified.
2. In a rollding machine, the combi# nation of a way consisting of longitudinal rails secured together by'suitable cross-pieces to forml a rectan ar frame a carriage a bracket adjusta ly secured to said carriage; a 12o ding-wheel; bearings for l-said grinding-v wheel adjustably secured upon said bracket; 4 a screw driving-shaft for said carriage; a divided driving-nut on said carriage; a pivoted lever flinks c'onne'cted tothe parts of said nut- 1 25 andto said lever on opposite sides of its pivoted oint; an electric motor for said grin -wheel, mounted on said carriage; driving connections for said screw-shaft; a
IOO
support for'said way comprising-standards; 1go;
iascr'ew vided. driving-nut on said'carriage a pivoted 7 lever;,iinks connected to tlieparts ,of said'nut 'and t'oisaid lever oni `opposite sides'v of its:
and cross-pieces adj-ustably secured to said standards, coacting for the purpose speciiied.
3. In a roll-grinding machine, the combination of a -way consisting of longitudinal rails secured `together by suitable crosspieces toform a rectangular frame; truss-rods nation of a way consisting of longitudinal rails secured together by suitablecross-pieces to form a rectangular frame; a carriage; a bracket adju'stably` secured to said carriage; a grinding-wheel; bearings for said grinding- Wheel adjustably secured upon said bracket; a screw driving-shaft for said carriage; an
electric motor for driving said grindingwheel, mounted on said carriage; driving connections for said screw-shaft; a support for 'said way coml rising standards; and crosspieces adjusta ly securedv tosaid standards,
coacting for the purpose specified.
` 5. In a roll-grinding machine, the combination of a wayconsisting of longitudinal rails secured together by suitable crosspieces toV form a rectangular frame; trussrods arranged in -pairs to truss said Way lat-l erally, said truss-rods being rovided mwith adjusting means whereby sai way may be bowed; a carriage; a braoket'adjustably `secured to saidcarriage; a grindin ,-wlieel; bearings for said grinding-Wheel adjustably secured upon said, bracket; a'screw drivingshaft for said carriage; a divided driving-nut on said carriage; a pivoted lever; links connectedto the parts of said nut and to said lever ,on vopposite sides of its pivoted point; an` electric motor for driving said grindingwheel, `mounted on saidc-arriage; and driving connectionsfor said screw-shaft, coacting 4 for the purpose specified. l
6. In a roll-grinding machine, the combination of away consisting ofjflongitudinal rails secured together by suitable cross-pieces p' to .form a rectangular frame pancarriage; a
bracket`adjustably secured to said carriage;
afgrinding-Wheel; bearinvs for said'grindingwheel a dustably se uredaupon said bracket;
' rivingshaf vfor said carriagefa dipivot-point; anelectric motor for 'drivingh said grinding-wheel, mounted on said carriage and driving connections for said screwshaft; coacting for the purpose specified.
7. In a roll-grinding machine, the combination ofa way consisting of longitudinal rails secured together by suitable crossieces to forma rectangular frame; truss-ro s arranged -in pairsto'truss said way laterally, said truss-rods being provided with adjusting means whereby sai'd way .may`be bowed; la
carriage; a bracket adjustably secured to said carriage; a grinding-wheel; bearings Jfor said rinding-wheel adjustably secured upon said racket; a screw driving-shaft for said carriage; an electric motorfor driving said grinding-wheel, mounted on said c'arriage; and driving connections for said screw-shaft,
coacting for the purpose specified.
'8. In a roll-grinding machine, the combination of a way consisting of longitudinal rail secured together by suitable cross-pieces to orm a rectangular frame; a carriage; a bracket adjustably secured to said carriage; a grinding-wheel bearin sfor said grinding- Wheel adjustably'secure upon said bracket; a screw driving-shaft for said carriage; an electric motor for .driving said rindingv wheel, mounted on said carriage; and driving connections for said screw-shaft, coacting for the purpose s ecified. Y
9. In a rol -grinding machine, the com-bination of a way truss-rods'arranged in fpairs to truss said way laterally, said tru's's-rods being'provided with adjusting means vwhereby sald way may be bowed;'.a carriage; 'a -grinding-wheel adjustably mounted on said carriage; .a screwy driving-shaft for said carriage a divided-driving-nut on said carriage; a pivoted lever; linksconnected to the parts 'of said nut and to-said leveron opposite sides of its-pivot-point; driving connections for said screw-shaft' a support for said way,
comprising standards; and cross-pieces adjustably mounted on said standards, for the purpose specived'. .Y
10.- In a roll-grinding'machine, the combination of a way; truss-rods arranged in pairs to Ptruss-said Way laterally, said truss-rods being providedv with adjusting means wheresaid way may be bowed ;-a carriage; a grinding-wheel adjustably mounted' on said n A carriage; ascrew driving-shaft for said carriage .a divided driving-nut on said carriage;
apivoted lever; links connected to the-parts of said nut and to saidle'ver on oppositesides offits` ivot-point; and driving connections nation. of al way; truss-rods arranged iii-pairs i toftrusslgsaid way. laterally, said ,truss-rods beingprovided with' adjustingmeans -wher'ebyjjsaid w'ay may be' "bwed;l va'fcarriage; a grinding-'wheel adjustably .mounted A on said can'iage; a-,screw driyingshaft forsaid carfor `'sai v f.-screW-shaft foi'gthe purpose specified; ,i v i f 171, i "a roll-grinding machine, the combi-.
riage; driving connections for said screwshaft; ay su port for sald' Way,l comprising standar s;and cross-pieces adjustably` mounted on said standards, for the purpose specified.
12: Ina roll-grinding machine, the'combination of a Way; truss-'rods arran ed in pairs to truss saidway laterally,l sai truss-rods being provided with adjusting means Wherevby said'w'ay may ,be bowed; acarriage; a"
grinding-'wheel adjustably.'mounted onl said carriage; -a screw driving-shaft for said car` riage; and driving connections for saidsc'rew;
shaft, for the purpose" specified.l
13. In a IA adj ustably mounted on'said carriage a'screw driving-shaft for lsaid carriage; a divide d'-d1'i vY in nut onfsaid 'carr1age;` a nivoted lever;
' lin s connected to the parts of said nut and tosaid -lever on 'opposite sides of its pivotpoint an velectric motor for driving sai d grinding-Wheel, mounted on said carriage; driving connections `for said' screw-'shaft a' support for ,said way, comprisingstandards; and' crossepieces adjustably mounted" on Tsaid standards, for 'the purpose specified.
14.- In arollsgrindingA machine; thejcombi# nati on-ofi away; acarriage; agrindingwheel ad1ustably mounted on saidcarriage a 'screw` v drivinges'haft for sai d carriage ;l a divideddriw in'glnut' jon' said carriage; a `pivotcd lever; links connected to tue' parts of" said nut vland to saidA lever -on'- opposite -sides of its pivot# tol`0rm"= a 'rectangular frame; truss-rods ar# ran edin pairs to truss"`saidway ylaterally, sai' 'truss-rodsbringprovidedwitnadjustingl -means whereby said way 'may'1befbovired; a'
point an electric motor for drivingfsaid grindiIg-Whel; rncluntedl` on said carriage; and
driving` connections forsai'd screw-sb aft,l for-- the'pl'ifpose specified;
15, {na roll-grinding machine-,- the combi,-
nation of4 ajway.l consistingof' 'longitudinal rails secured togetherbysuitablecross-pieces carri age agrindingwheel adjustably Inou'itedonisaidcarria ie; a screw drivin" #Shaftifr 16: In-a'ro I to form a rectangular frame; truss-rods ar- 6o means'l whereby?. sai
. said carriage; an' electric moto'r: for driving 6 5 said" grinding;wheelIy mounted on said" car-l 'sarxtraes-'redsnein *provided Wit way-may. bebowed a carriage ;j a grindingu'fheel adj ustably mount'-- ed on- 'sai'd carriage a screwdl'iving-shaft for l-grinding machine, the combi-- nationof a way a'carrrage; a grinding-wheel Wheell mounted on sai-d carriage driving con:
'the purpose s eciiied.`
18. In'aro l-g'ri ding machine, the 'combip nation of a'Way consisting of .longitudinal rails secured together b vsuitable cross-pieces- 8o vto form a rectangular frame; trussrodsarran ed in pairs to truss said wav laterally, saiclgtruss-rods being provided with' adjusting means whereby said vwaymay be bowed; af carriage; a grinding-Wheel mounted'on said carriage; a screW'driving-shaft forsaid carriage; a divided' nut on said carriage; apivt oted lever; links connected to the'parts of saidv nut and to said lever on b'pposite sides vof its t pivot-point; an electric motor for driving said 9o grinding-Wheel mounted :on said. carriage.; and driving connections for said s crew-shaft,l`
for the purpose specified.F
19; Inka roll-grinding. machine, 'the' coinbi' nation of "a way consisting of -longitudinalrails secured together' by suitable crsspieces to formv a rectangular frame; aA car# riage'; a grinding-Wheel mounted on said'cari riage a screw driving-shaft for said carria e a dividednut on* said carriage; a'pivoted e- Io ver; links connected to the parts of saidnut and to said lever on opposite sides "-of its.' pivotpoint an electric motor for said grind# ingwheel' mounted' on` saidcarriage; and
dri'ving'connections fdr-said screw-shaftg'for-'Io 5 the purposes eciied; Y v 20. Ina r l-gri'nding machine, the'conbi?v nation of a Way; truss-rods arranged iii pairs j totruss said Way laterally, said truss-rods be` ing `proviiedLwith adjustingfmeans whereby, saidway 'may'b"bowed; a carriage; a ind-'53 ingwheel. adjustabl mounted on sai 'cart` riage; afscrevv'drivingshaftfor said carriage; f anA electric 'motor 'for driving said L 1 'rinding' nections for' said"`scrw-shaft; a supporti" f'oij4 said Way, comprising f standards; and 'crosse pieces adjustablylmounted'on said standards," 1- 'i in-g ipfo'videdj vwith adjusting-means Wherbv nd" ustablym'ounted 'onf sai car#v air-electric motor for driving said finding-i" j Wheel mounted' on 'said carriage; an driving 22'. In a roll-grinding machine, the combination of a way; truss-rods arranged in airs to truss said Way laterally, said truss-ro s being provided with adjusting means whereby said way may be bowed; a carriage; a grinding-'wheel mountedl on said carriage a screw Y driving-shaft for said carriage a'n electric motor for driving said grinding-.wheel mount-` ed on said carriage; driving connections for said screw-shaft;a .support for'said way, comprising standards; and cross-pieces adjustably mounted on said standards, for the purpose specified. 23. In a roll-grinding machine, the combi-` nation of .a way; truss-rods arranged in airs to truss said Way laterally, said truss-ro s being provided with adjusting means whereby said Way may bebowed; a carriage; a grinding-wheel mounted'on said carriage; a screwy drivingshaft for`v said carriage; an electric motor' for driving said grinding-Wheel mounted on said carriage and driving connections for said-screw-shaft, for the purpose specied.
24. In a roll-grinding machine, the combination of a way; a carriage; Va grindin -wheel mounted on said carriage; a screw rivingdriving said carriage; and an electric motor L for driving said grinding-wheel mo'unted on said carriage, for the purpose spc'ciiied.
26. In a roll-grinding machine, the combination of a Way; means for bowing said way laterally a carriage; a grinding-Wheel mounted on said carriage; and meansfor driving said carriage, for the urpose specified.
In witness whereof have hereunto, set my hand and seal in presence of two witnesses.
. WILLAM M. WILHELMI. [Lg si Witnesses:
ETHEL A. TELLER, O'rrs A. EARL.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552994A (en) * 1949-09-06 1951-05-15 Montey Emanuel Machine for sharpening lawn mowers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552994A (en) * 1949-09-06 1951-05-15 Montey Emanuel Machine for sharpening lawn mowers

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