US2106082A

US2106082A - Adjustable finishing machine

Info

Publication number: US2106082A
Application number: US37524A
Authority: US
Inventors: Gustave A Carlson
Original assignee: Individual
Current assignee: Individual
Priority date: 1935-08-23
Filing date: 1935-08-23
Publication date: 1938-01-18
Anticipated expiration: 1955-01-18

Description

Jan. 18, 1938. G A, CARLSON 2,106,082

ADJUSTABLE FINISHING MACHINE Filed Aug. 23, 1935 5 Sheets-Sheet l INVENTOR.

BY WM Q @467;

' A ORNEY.

Jan. 18, 1938.

l -IO INVENTOR.

Maw

A ORNEY.

Jan. ,18, 1938.

G. A. CARLSON ADJUSTABLE FINISHING MACHINE Filed Aug. 23, 1935 Afr NEY.

3 Sheets-Sheet 3 INVENTOR.

Patented Jan. 18, 1938 UNE'E'EQ STATES PATENT GFFMEZ ADJUSTABLE FINISHING MACHINE Gustave A. Carlson, Detroit, Mich. Application August 23, 1935, Serial No. 37,524

29 Claims.

My invention relates to improvements in a finishing machine in which the finishing member is adjustably mounted and the objects of my improvements are, first, to provide an adjustable finishing machine in which a finishing member is provided with mechanism enabling the finishing member to be adjusted with a universal move ment; second, to provide an adjustable finishing machine having a column support and by which the finishing member is swivelly supported, relative to a horizontal plane, at a point removed from the axis of the column support; third, to provide a finishing machine having a finishing member adjustably supported in an overhanging position from an upright column support member; fourth, to provide a finishing machine having a finishing member adjustably mounted on an upright column mounted on a pair of slides movably mounted one upon the other and adapted to move in directions at right angles to one another; fifth, to provide a finishing machine having a finishing member pivotally mounted on a swivelly mounted support mechanism; sixth, to provide a finishing machine having a finishing .iember actuated in a pivotal movement by resilient means; seventh, to provide a finishing machine having a pivotally mounted finishing memoer mounted on a swivel mechanism and provided with means for causing the finishing member to yieldingly engage the member to be finished; eighth, to provide a finishing machine with a finishing member pivotally mounted together with an electric motor assembly adjustably mounted about the pivot of the finishing member; ninth, to provide a finishing machine having a finishing member revolvably mounted on a pivot support and provided with adjustable means for causing the finishing member to yieldingly engage the member to be finished; tenth, to provide a finishing machine having a finishing member adjustably mounted in an up and down direction on a column support; eleventh, to provide a finishing machine having an upright column with a finishing member adjustably mounted to be rotated around the column by manually operated mechanism located at the top of the column; twelfth, to provide a finishing machine having a finishing member rotatably mounted on a plurality of rotatably mounted mechanisms; thirteenth, to provide a finishing member operatively mounted on support mechanism rotatably mounted on an upright column together with means operatively mounted within and extending longitudinally of the column for moving the support mechanism along the upright column; fourteenth, to provide a finishing machine having a finishing member adjustably mounted on an upright column and provided with keyway mechanism extending longitudinally of the column for preventing the support member from turning about the column; fifteenth, to provide a finishing machine having a column together with a collar mechanism adjustably mounted to move longitudinally thereof and retained against movement around the column tog-ether with a finishing member support mechanism rotatably mounted on the collar mechanism; and sixteenth, to provide a finishing machine having a finishing member movably supported on a column with means permitting adjustment of the finishing member together with its supporting mechanism for substantially the total length of the column.

I attain these objects by the mechanism illustrated in the accompanying drawings, in which Figure l is a side elevation of the adjustable finishing machine; Fig. 2, a side elevation of the adjustable finishing machine taken substantially at right angles to the view disclosed in Fig. 1; Fig. 3, a plan view of an adjustable finishing machine; Fig. 4, a partial sectional view of the finishing machine taken on the line l4, Fig. 1; Fig. 5, a partial sectional view of a finishing machine taken on the line 5--5, Fig. 1; Fig. 6, a partial side view of the finishing machine taken along the line 5-6, as indicated in reference to Fig. 1; Fig. 7, a partial side elevation of the column or spindle of the finishing machine; Fig. 8, a sectional view of the mechanism for supporting the electric motor assembly, said sectional view being taken on the line 8-8, Fig. 2; Fig. 9, a partial sectional View of the finishing machine taken on the line 9-4,, Fig. 2; Fig. 10, a partial view disclosing the finishing member of the finishing machine in relation to an object undergoing a finishing operation; and Fig. 11, a partial side view of the finishing machine disclosing the mechanism for adjustably supporting the electric motor assembly together with the electric motor assembly operatively connected with the finishing member driving mechanism.

Similar numerals refer to throughout the several views.

The adjustable finishing machine is provided with the base portion or member I having upwardly and inwardly inclined or tapered side walls together with the flange 2 through which extend the screws 3 for securing the base member I to a floor or similar supporting structure 4.

similar parts provided with the ways or i ovably mounted the slide 6 provided with a V portion for fitting the ./s 5, the gib i being interposed bet e V portion of the slide 6 and the VS 1r ember l to provide means for taking sber i will be provided with the .i threadably engaged by the shaft otatably mounted in the boss por- 2 of slide 6 and is retained longitudiby the collars l3 and Hi, the shaft ided witthe square end I5 which ed receive the hub or boss of the H provide-cl with. the handle portion I8. be provided with the recess or winch provides operating clearance e s aft ii and the boss ill.

t is 1 'ovided with the ways or VS longitudinally substantially at right ways or \"s 5 of the base member I. 2i mounted on the slide 5 with movably mounted in the ways or Vs 5, the gib 22 being interposed bee of the ways or Vs Z8 and the V slide iii to take up wear, the gib itably secured by the screws 23 its The slide 6 is further proboss which extends within mber of the slide ii and is by the shaft 2'! which exand is revolvably mounted ss p 258 of the slide 21, the shaft vided with the square end 31 which eds. to receive the hub portion iii of a crank l? which is provided with the handle portion 98.

The on support, or spindle 32 is preferably cylindrical in shape and is of hollow or tubular construction and has the chamber 33 extherein and therethrough. The column provided with the flange at its base, said resting on the upper surface of the iii and being secured thereto by the screws s extending therethrough and engaging the slide M.

The column 3'2 is provided with the slot or keyway portion 3% which extends for the greater portion of the longitudinal heighth or length of the column 35L The housing, collar or nut member 31 is provided with the bore 38 which engages and fits around the outer cylindrical surface of the column 32 and is adapted to be slidably moved up and down thereon.

The nut member Si is provided with the collar portion or shoulder 39 together with the exten- CO sion or pilot portion 49 which extends and fits wi 11 a bore of the housing member 4|, the

housing member ll having its lower surface engaging and resting upon the surface 52 at the up side of the collar or shoulder portion 39 oi the nut member 3?, the pilot portion 48 being provided with the bore illA which extends around clears the outer cylindrical surface of the column The upper end of the extension portion 40 of the nut member ill may also, if desired, contact the upper end surface of the bore of the housing L v t ii engaged by the extension portion 40 cf th nut mem fli to provide additional supway or slot 43 in which is fixedly secured the key member 46 which extends through the keyway E3 of the wall portion of the collar 39 of the nut member 3? and into and throu h the slot or key way 35 of the column 32, thus preventing any turning or rotation of the nut member 37 relative to the column 32 and at the same time allowing the nut member 31, together with its supporting mechanism, to move longitudinally relative to the column 32, the key member 44 movably engaging the slot or keyway 35in its travel up and down the column 32. The key member l is secured to the collar 39 of the nut member 37 by the screw 45 which extends through the key member id and threadably engages the collar portion 39 of the nut member 3?.

The housing ll is provided with a substantially flat surface it at one of its sides for engaging a similar flat surface on the support bracket 4?.

The housing 4! is provided with the slot 48 through its side wall adjacent the surface 45, said slot it extending from the lower surface of the housing All to a point adjacent the upper end surface of the bore for receiving the pilot portion 49, the slot l8 providing the housing member M with resilient characteristics to permit the housing ll to be clamped to a snug or tight engagement between the extension Gil of the nut member 3'1 and the bore of the housing ll engaging the extension portion 4!), the clamping action being attained by the clamp screw 15 extending through one side portion of the housing ll adjacent the slot 48 to threadably engage the oppo site side portion of the housing 4|.

The support bracket l! is provided with the l flanges which have their inner surfaces engaging the surface d6 of the housing 4! and are secured thereto by the screws 5|, the support bracket 41 being further provided with the slot 52 extending through and between the flanges 58 to allow the support bracket ll to have certain resilient characteristics sufiicient to allow for the clampingaction of the clamp screw 48 without stressing or injuring the support bracket 4'! and without necessitating the removal of the support bracket ll from the housing member ll when the housing member 3! is clamped by the clamp screw 49 to a rigid engagement with the extension portion til of the nut member ill. The nut member 3? is provided with the lug or boss 53 which is provided with the threaded hole 5 1 which is located concentrically with the cylindrical surface of the column 32 and the axis of the housing ll which receives the extension portion 413 of the nut member 3?, the boss or lug 53 being rigidly connected to the inside wall of the nut member 3'! by means of the web or flange 55, the web or flange 55, together with the boss or lug being located above the key member M.

revolvably' engaged by the threads of the shaft which thus is supported in the boss or lug a one of its end portions in such manner to pro-- vide, together with the bearing assembly 5?, a two point support to absorb thrust loads in a direc ticn transverse to the axis of the shaft the caring assembly 5'5 being of the thrust bearing type which also absorbs the load or weight of the shaft 56 longitudinally thereof together with the parts secured thereto, such as the worm w rich is secured to the shouldered or extension portion 59 of the shaft Elli by the nut The bearing assembly 5'? is retained and supported in the bore 5! of the housing 62, the worm gear having its lower side surface engaging the upper screws til.

side of the bearing assembly 5?. The housing 62 is provided with the chamber 63 which is closed at its upper end by the cover member E54 secured to the upper surface of the housing 62 by the The housing 82 is provided with an extension or pilot portion 66 which extends within and. engages the bore 51 of the housing 53 which is provided with a flange 89 for resting in a supported position on the surface it at the upper end or top of the column 32, the housing 68 being secured to the column 32 by the screws 5|, the screws ll extending through the flange E9 threadably engaging the column 32. I

The housing 68 is provided with the extension or pilot portion i2 which fits within and engages the bore 13 at the upper end of the column 32. The extension or pilot portion 65 of the housing 62 is provided with the clearance hole or bore 14 into and through which extends the shaft 55.

The housing 62 is provided with suitable boss portions within the chamber 63 and in which is revolvably mounted the shaft 15 upon which is fixedly secured to revolve therewith the worm 15 which operatively engages the worm gear 58, the shaft l5 being provided with the squared end H which is adapted to receive the hub portion it of one of the lever members i'l having the handle portion 48.

Also the housing 58 is provided with a suitable boss portion '28 in which is ad-justably mounted the screw iii which extends through said boss portion '38 and wall portion of the housing 63 to allow its pointed end to engage the extension or pilot portion 66 of the housing 52 and to lock the housing Eli in any selected adjusted position and at the same time allowing said housing 62 and its mechanism contained therein to be adjustably moved around the axis of the shaft 56 as desired for different operating positions.

It is to be understood that, whereas I show three lever members ll at different points on my adjustable finishing machine, one lever member I! is adapted to fit all of the squared ends 55, 3! and Tl, thus making the one lever member H suitable for operating the various shafts H, 21 and '55, as disclosed.

The support bracket Al is provided with the downwardly extending flanges Bil and is further providedwith a suitable boss portion at its upper wall portion having the bore 86 extending therethrough for receiving the bolt 82 therethrough, the bolt 82 further extending through the bore 83 of the housing 8 which is thus swivelly or pivotally mounted on the stud 32, the stud 32 being retained by the nut $5 located between the flanges 8!; of the support bracket All.

The housing 86 is provided with the chamber 86 which provides operating space for the worm gear 8i which is mounted on the extension portion 88 which extends into the chamber 85 and forms a part of the shaft or stud portion 89 which further is fixedly connected with and forms a portion of the bracket til, the bore of the housing 8 for receiving the shaft 39 extending substantially at right angles to the axis of the bolt 82 and being located sufficiently to one side of the bolt 8'2. to provide for the stud 89 to pass the bolt 82, as disclosed in Figs. 3 and 9.

t is to be noted that the shaft 35 will thus be swivelly mounted in and relative to the housing 8d which in turn is swivelly mounted on and relative to the bolt 82' The worm ti is fixedly secured and mounted on the shaft 92 which is rota-tably mounted and retained in suitable boss portions of the wall portions surrounding the chamber 85 of the housing 84 and is provided with the squared end 93 which is adapted to receive the hub or boss portion 9d of the lever member 95 provided with the handle portion at, the worm a! being adapted to rotatably engage and operate the worm gear 8?.

The chamber 85 of the housing M is closed by the cover member 91 which is secured to the housing 84 by the screws 98. The wall portion surrounding the bore of the housing as for receiving the shaft 89 is provided with the slot 99 at one of its sides together with the boss portions inf! which are adapted to receive the screw illi which provides means for utilizing the resilient characteristicsof the housing 8% provided with the slot 99 and the bore for receiving the shaft 89 to clamp said bore around the shaft 89 to fixedly secure it thereto.

The housing 34 is provided with the boss or flange portion 5832 at its lower side for engaging a similar shaped surface on the upper of the support member ii and is thereby supported in its swivel or pivotal motion on the support bracket The bracket 90 is provided with the boss Hi3,

through which extends the shaft HM which may be fixedly secured therein as by a press fit or similar means, the shaft Iii i extending beyond the end surfaces of the boss m3 and is supported in the bearing assemblies ltfi, the shaft list extending through the bores Hit of the brackets fill which are provided with the bores ifid in which the bearing assemblies E55 are mounted, said bores H38 further receiving the pilot portions 3% of the cap or cover members lit which are secured to the bosses ii i of the brackets it? by the screws i it. The cap members i it] thus secure the outer races of the bearing assemblies m5 in their mounted positions. The inn-er race members of the bearing assemblies 5525 are secured to exten sion portions of the shaft lil i by the washers l 58 and nuts HM.

It is to be noted that the brackets lil'l, together with the cap members I ill will be mounted on the bearing assemblies 95 and will thus be swivelly mounted relative to the shaft 804 and the boss H33, the bosses ill being provided with thrust surfaces at their inner sides for engaging the thrust surfaces at the outer ends of the boss see. The brackets it; are provided with portions H5 which are secured to the boss portions Ht of the housing ill by the screws H8.

The housing Hi is thus adapted to pivot or swivelly move about the axis of the shaft 15 as disclosed in Fig. 2 and the housing 9% will be substantially shaped and provided with an un dercut portion as disclosed by the line lid to provide an operating space, at its under side, for the housing ill when said housing H1 is in its uppermost position as disclosed in Fig. 2.

The housing H! is provided with the opening or passage I28 extending therethrough, said pas sage i263 being provided with the bores 52! at its outer ends for receiving the outer race members of the bearing assemblies 522, the inner race members of said bearing assemblies being mounted on extension portions of the shaft i223 which extends entirely through the housing ill and outwardly from and beyond each of its end surfaces, the inner race members of the bearing semblies H22 being suitably secured by the nuts i2 5 threadably engaging suitable portions of the shaft 123. The cap members lZE are suitably secured to the end surfaces of the housing if? by the screws H6.

The shaft I28 is provided with the extension portion I21 at one of its ends and upon which is fixedly secured the pulley member i28 by the washer I29 and the nut I30.

The shaft I23 is provided at the other of its ends with the extension portion I 3| upon which is mounted the finishing member I32 which may be a buffing wheel, grinding wheel, polishing wheel, or similar finishing member, the finishing member I32 being secured by the washers I33 together with the nut member l3 i threadably engaging the outer end of the extension portion I3I of the shaft I23.

The electric motor assembly A is provided with the pulley member I35 which is suitably secured to the drive shaft I 3'5 of the electric motor assembly A by the nut I31, the pulley member I35 being operatively connected with the pulley memher 528 by the belts I39 which engage the grooves of the pulleys I35 and I28 and thus provide driving means by which the electric motor assembly A drives the shaft I23, together with the finishing member I32. The electric motor assembly A is further provided withthe flange or feet pertions I 49 which are secured to the fiange M! of the bracket members I 52 by the screws I43 and nuts M4. The brackets I 32 are provided with the boss portions I45 which are provided with the bore I 35 through which extends the screws Hi1 which thus swivelly and pivotally support the brackets M2 together with the electric motor aosembly A and allow said bracket Hi2 and the electric motor assembly A to be pivotally moved about the axis of the screws M1 to provide means for adjusting the tension on the driving belts I 39, the screws M1 threadably engaging the cap or cover members I I0.

In order to lock the tension of the driving belts I 39 in their adjusted positions, one of the rackets I62 is provided with the boss I48 in which is pivotally supported the end of the shaft or stud I 29 as at I59, the shaft hi9 extending through a suitable opening in the rib or flange l5I of the brackets I81, said rib I55 being connected between the boss portion HI and the flange II5.

After the electric motor assembly A, together with its brackets IE2, have been adjusted to their proper position for tensioning the driving belts I39, the shaft is locked in place by the nuts I52 which threadably engage the shaft use on opposite sides of the web or flange I5I.

In order to provide further tension means for causing the finishing member I32. to engage a member to be finished, such as the hub cap I53 as disclosed in Fig. 10, the boss I53 is provided with the web, lug, extension or boss portion I54 which is rigidly connected with the boss I03 and extends into the chamber I55 formed by the hollow or rectangular box like portion I 55 which connects and is fixedly secured to the brackets I51, the boss portion i575 extending beyond and surrounding the lug 5 3 of the boss I523.

The stud I51 will be suitably and fixedly se cured in the lug I54 and will extend through a suitable opening in the lower wall portion 153 of the boss I56 and will be provided with the spring or resilient member 553 which will be secured thereon by the nut I59 threadably engaging the outer end of the stud I51, the spring 559 thus ex erting a tension against the wall portion I58 of the boss I55 and tending to the wall portion I58 toward the lug I5 5 with a consequent downward movement of the finishing member 53?, together with its supporting mechanism.

In a similar way the stud member IE! will be suitably secured in the upper wall portion I62 of the boss I55 and will extend through a suitable opening in the lug I54 and if necessary through a suitable clearance opening I63 provided in the wall portion I56 and in a similar way the spring or resilient member I64 will be mounted on the outer end of the stud I6I and will be secured thereon by the nuts I55 threadably engaging the outer end of the stud IGI and to provide for the use of a shorter spring than would otherwise be the case, the bushing or collar member I65 may be slidably mounted on the outer end of the stud I6! and interposed between the spring I64 and the lug I54 to exert an effort to urge the wall portion I92 toward the lug I5 and resulting in a tendency to urge or move the finishing member E32 and its operatively supporting parts upwardly and swivelly or pivotally about the axis of the screws I41.

For purposes of illustration the hub cap I53, or similar member, to be finished, may be suitably mounted and retained on a supporting member I61 of a supporting or conveyor mechanism which will support, move and feed a plurality of the hub caps or similar members I53 past the finishing member I32.

The electric motor assembly A is provided with a suitable electric cable I68 for connecting with a source of electric power to operate the electric motor assembly A.

In operation the electric motor assembly A will drive the pulley member I35, which will in turn, through the medium of the driving belts I39, drive the pulley member I28, which in turn drives the shaft I23 together with the finishing member I32 mounted thereon.

Due to the contour of such members as the hub cap I53 or similar members, it is necessary to provide various operating positions for the finishing member I32 and this is possible in my invention due to various adjustably mounted and operating portions thereof. In selecting the best operating position for thev finishing member I32, as dictated by the shape or contour of the members which are to be finished, the operator will fit one of the handle members I1 to the square end I5 of the shaft II and by revolving the shaft II with the lever member I1, the slide 5, together with its supported mechanism, will be moved to the proper position which will facilitate engagement with the. member I53 by the finishing member I32.

In order to further facilitate the position of the finishing member I32, the operator may utilize the same lever member I1 by fitting it on the square end 3! of the shaft member 21 which will enable the slide 2|, together with its supported mechanism, to be moved in a plane extending at right angles to the plane of movement of the slide 6, thus providing further adjustable ability for moving the finishing member I32 to its desired and required position.

The operator now places the lever member I1 on the square end 11 of the shaft and by operating the shaft 15, the worm 16 will operate the worm gear 53 which will in turn drive the shaft 56 which will cause the boss 53, together with the collar 31 and its supported mechanism to travel up or down the column 32 as desired, for the positioning of the finishing member I32 relative to the work to be finished, the key 44 preventing the collar 31 from rotating about the axis of the column 32.

Also in conjunction with the operation of the shaft 15 by means of the lever I1, the screw 19 may be loosened to permit the housing 62 and its supported mechanism to be rotated about the axes of the shaft 56 and the worm 58 to provide the desired position for best and convenient op eration of the lever member II on the shaft 15 by the operator.

After the finishing member E32 has been positioned in an up and down position, by the means which has just been described, by travelling up and down the column 32, the support bracket ll, together with the housing ii may be swivelly or pivotally moved together with its supporting mechanism, about the axis of the shaft 56 and the column 32 and after the selected position oi the finishing member I32 has been attained in this operation, the housing 5!, together with its supported mechanism, may be locked in its adjusting position by means of the clamp bolt 49.

The next portion of the set up operation is to position the housing 2 together with its supported mechanism, in its proper position about the axis of the bolt 82 by swivelly or pivo-tally moving the housing 85 and its supported mechanism about the axis of the bolt (32 to similar positions as indicated at i?! and H2 in Fig. 3, after which the bolt 82, together with the nut 85, may be utilized for clamping the housing 84 and its supporting mechanism in its adjusted position about the axis of the bolt 82. Then the operator is able, by means of the lever member 55, to operate the shaft 92 which will in turn revolvably operate the worm 9! which will operatively and revolve the worm gear 8'! which will in turn cause the shaft 85 to be rotated together with the bracket 98 and its operatively supported parts, about the axis of the shaft 39, thus provida further swivel or pivotal movement which will enable the finishing member 132 to be placed in different adjusted positions or operating positions such as indicated by the dotted lines I69 and Hit in Fig. 1, said adjusted and similar positions Hi9 and ill! being accomplished by adjustably moving the finishing member through an are having a considerably less radius than is the case where the finishing member is swivelly moved in a vertical plane having its pivot pointlocated adjacent the column 32 as is conventionally done in present and similar mechanical equipment.

Now the finishing member I32 will be further urged to the positions as indicated by the dotted lines i 53 and il in Fig. 1.1, by means of the springs i553 and 0645 according to the tension placed upon them by the nuts 56!] and I65.

Also this operation of positioning the finishing member l32 by the springs E59 and i6 3 and the nuts ltd and 155 will determine the amount of tension which is desired for the finishing member E32 to exert against the hub cap or similar member 53, and it is to be noted that this pressure exerted by the finishing member I32 against the member 553 is thus controlled to predetermined amounts and is not accomplished by balancing mechanisms utilizing the electric motor assembly A or similar means for balancing purposes as is the case in conventional mechanisms.

Also if desired, when it is desired to operate my adjustable finishing machine with the finishing member i312 held in a fixed position and without the resilient means for actuating same in its contact with the member to be finished, then the screws 5 and i125, which are respectively mounted in the wall portions 558 and 562, may be adjustably operated until they engage the lug iEd which will fixedly position the boss member I56 relative to the lug I55, thus further fixedly positioning the brackets it! together with the housing Ill and the finishing member R2 in a fixed position against swivel or pivotal movement about the bolts M! and in the desired position for contacting and engaging the hub cap or similar member 853.

I claim:

1. In an adjustable finishing machine, the combination of a slide member movably mounted, a second slide member movably mounted on said first mentioned slide member, a tubular column mounted on and extending upwardly from said second slide member and provided with .a keyway extending through its side wall for the greater portion of the length of said tubular column, a nut member slidably mounted on said tubular column and provided with a boss portion extending within said tubular column, a key member secured to said nut member and engaging the keyWay of said tubular column, a housing structure mounted at and closing the upper end of said tubular column, a shaft suitably supported at one of its ends in said housing structure and extending into said tubular column, said shaft threadably engaging the boss portion of said nut member, manually operated means for rotating said shaft, a second housing structure rotatably mounted on said nut member,

clamp means for securing said second housing structure on said nut member, a third housing structure swivelly mounted on said second housing structure, a bracket member swivelly mounted on said third housing structure and adapted to swivel about a horizontal axis, said bracket member being provided with a boss portion having a bore therethrough, a manually operated means for swivelling said bracket member, a sec ond shaft mounted in the bore of the boss' portion of said bracket member, a second bracket member pivotally mounted on said shaft, a housing supported on said second bracket member, a third shaft rotatably supported in the housing supported on said second bracket member, electrically operated means for driving said third shaft member, a third bracket member adjustably and pivotally supported by said second shaft and adapted to support said electrically operated means, and resilient means for actuating said second bracket member together with its supported mechanism about said second shaft.

2. In an adjustable finishing machine, the combination of a pair of slide members movably mounted, one upon the other, said slide members moving in directions substantially at right angles to one another, an upright tubular column mounted on the upper of said pair of slide members, a nut member slidably mounted on said upright tubular column, means for slidably operating said nut member, said means extending within said upright tubular column, a support structure rotatably mounted on said nut member, and a second support structure mounted on said first mentioned support structure and adapted to swivel about a horizontal axis, a finishing member rotatably mounted and swivelly sup ported on said second support structure, and

upright tubular member, a key mounted on said nut member and engaging the keywaylof said upright tubular member, a shaft rotatably mounted and extending within said upright tubular member and engaging the boss of said nut member, means for rotating said shaft, a support structure rotatably mounted on said nut member, a second support structure rotatably mounted on said first mentioned support structure, a third support structure rotatably mounted on said second support structure, a finishing member swivelly mounted on said third support structure, and means for driving said finishing memher.

4. In an adjustable finishing machine, the combination of an upright tubular member having a keyway extending longitudinally thereof, a nut member provided with a pilot portion together with a shoulder there adjacent, said nut member being provided with a boss portion within said upright tubular member, said nut member being provided with a web portion for connecting said boss portion with the wall portion of said pilot portion of said nut member, said web portion extending through said keyway of said upright tubular member, shaft means rotatably supported and engaging said boss portion of said nut member, means for operating said shaft means, a support structure rotatably on the extension portion of said nut member and resting on said shoulder adjacent thereto, a finishing member swivelly supported by said support structure, and means for driving said finishing memher.

5. In an adjustable finishing machine, the combination of a tubular column movably mounted, a nut member slidably mounted on said tubular column, a bracket mounted on said tubular column at its end, a housing swivelly mounted on said bracket, means for locking said housing against movement, a bearing assembly mounted in said housing, a shaft mounted in said bearing assembly and engaging said nut member, means mounted in said housing and adapted to rotate said shaft, a support structure rotatably mounted on said nut member, a finishing member swivelly supported by said support structure, and means for driving said finishing member.

6. In an adjustable finishing machine, the combination of a tubular. column movably supported and provided with a keyway extending through its side wall, a nut member slidably mounted on said tubular column, a key secured to said nut member and engaging said keyway of 1 said tubular column, a housing revolvably supported on said nut member and provided with a flange portion provided with a slot therein, means for clamping said housing on said nut member and extending through said slot, a support structure adjustably mounted in said housing, a finishing member swivelly supported on said support structure, means for driving said finishing member, and means for moving said nut member together with its supported mechanism longitudinally of said tubular column.

7. In an adjustable finishing machine, the combination of a tubular column, a nut member slidably mounted on said tubular column, a support structure rotatably mounted on said nut member, means for moving said nut member and its supported mechanism longitudinally of said tubular column, means for locking said support structure on said nut member, an upright shaft mounted on said support structure, a second support structure rotatably mounted on said upright shaft, means for locking said second support structure against movement relative to said shaft, a finishing member pivotally mounted on said second support structure, and means for driving said finishing member.

8.1m an adjustable finishing machine, the combination of an upright column, a support structure rotatably mounted on said upright column, an upright shaft mounted on said support structure, a housing rotatably mounted on said support structure and around said upright shaft, said housing being provided with a bore extending substantially at right angles to the axis of said upright shaft, a bracket provided with a shaft portion swivelly mounted in said bore of said bracket, a finishing member pivotally mounted on said bracket, means for driving said finishing member, a second means for swivelly moving said bracket together with its shaft portion in said bore of said housing, a third means for locking said bracket against swivel movement, and means for moving said support structure together with its supported mechanism longitudinally of said upright column.

9. In an adjustable finishing machine, the combination of a column, a support structure movably mounted on said column, means for actuating said support structure longitudinally of said column, said means extending longitudinally of and solely through said column, a housing rotatably mounted on said support structure and adapted to rotate about the axis of said column, a bracket swivelly mounted in said housing and having its axis extending substantially at right angles to the axis of said column, a finishing member pivotally mounted on said bracket, and means for driving said finishing member.

10. In an adjustable finishing machine, the combination of a column, a support structure movably mounted on said column, means for actuating said support structure longitudinally of said column, a housing rotatably mounted on said support structure, a bracket swivelly mounted in said housing and having its axis extending substantially at right angles to the axis of said column, said bracket having an undercut portion at its lower side, a finishing member pivotally mounted on said bracket and adapted to move adjacent said undercut portion of said bracket, and means for driving said finishing member.

11. In an adjustable finishing machine, the combination of a column, a 'support structure movably mounted on said column. means for actuating said support structure longitudinally of said column, a housing rotatably mounted on said support structure, a bracket swivelly mounted in said housing and having its axis extending substantially at right angles to the axis of said column, said bracket having an undercut portion at its lower side, a finishing member pivotally mounted on said bracket and adapted to move adjacent said undercut portion of said bracket, means for driving said finishing member, and resilient means for actuating said finishing member toward a member to be finished,

12. In an adjustable finishing machine, the combination of a column, a support structure movably mounted on said column, a housing rotatably mounted on said support structure, a bracket swivelly mounted in said housing and provided with a boss portion, a shaft mounted in and having ends extending through said boss portion of said bracket, a second bracket pivotally supported on the end portions of said shaft, a second housing secured to said second bracket, a second shaft rotatably mounted in said second housing, a finishing member fixedly secured on said second shaft, and means for driving said second shaft together with said finishing member.

13. In an adjustable finishing machine, the combination of a column, a support structure movably mounted on said column, a housing rotatably mounted on said support structure, a bracket swivelly mounted in said housing and provided with a boss portion, a shaft mounted in and having ends extending through said boss portion of said bracket, a second bracket pivotally supported on the end portions of said shaft, a second housing secured to said second bracket, a second shaft rotatably mounted in said second housing, said second shaft extending substantially parallel with said first mentioned shaft, a finishing member fixedly secured on said second shaft, means for driving said second shaft together with said finishing member, and resilient means for actuating said finishing member in a pivotal movement about said first mentioned shaft.

14. In an adjustable finishing machine, the combination of a column, a support structur movably mounted on said column, a housing rotatably mounted on said support structure, a bracket swivelly mounted in said housing and provided with a boss portion, a shaft mounted in and having ends extending through said boss porion of said bracket, a second bracket pivctally supported on the end portions of said shaft, a second housing structure secured to said second bracket, a second shaft rotatably mounted in said second housing, said second shaft extending substantially parallel with said first mentioned shaft, a finishing member fixedly secured on said second shaft, a pair of brackets pivotally mounted on said first mentioned shaft, an electrically operated unit mounted on said pair of brackets, driving means operatively connecting said electrically operated unit and said second shaft, and resilient means for actuating said finishing memher in a pivotal movement about said first mentioned shaft.

15. In an adjustable finishing machine, the combination of a column, a support structure adapted to rotate about the axis of said column and to move longitudinally thereof, a housing movably mounted on said support structure and adapted to rotate about an axis extending substantially parallel With the axis of said column, a bracket swivelly supported by said housing and adapted to move about an axis extending sub stantially at right angles to the axis of said column, a finishing member pivotally mounted on said bracket and adapted to pivotally move about an axis extending substantially at right angles to the of said column, and means for driving said finishing member.

16. In an adjustable finishing machine, the combination of a column, a support structure adapted to rotate about the axis of said column and to move longitudinally thereof, a housing movably mounted on said support structure and adapted to rotate about an axis extending substantially parallel with the axis of said column, a. bracket swivelly supported by said housing and adapted to move about an axis extending substantially at right angles to the axis of said column, a finishing member pivotally mounted on said bracket and adapted to pivotally move about an axis extending substantially at right angles to the axis of said column, an electrically operated unit pivotally mounted and adapted to move about said axis around which said finishing member pivotally moves, means for adjusting the position of said electrically operated unit, and driving means operatively connecting said electrically operated unit said finishing member, said driving means comprising belt mem bers tensioned by the operation of said first men tioned means.

17. In an adjustable finishing machine, the combination of a column, a support structure adjustably mounted on said column to move around its axis, means for moving said support structure longitudinally of said column, a housing adjustably mounted on said support structure, a bracket swivelly mounted in said housing and provided with boss portion having a lug fixedly con nected thereto, a shaft secured in said boss poftion of said bracket and having ends extending out of each side of said boss portion, a second bracket pivotally supported on said shaft and provided with a boss portion sin'rounding said lug of said first mentioned bracket, resilient means operatively connecting said lug of said boss portion of said first mentioned bracket and opposite sides of said boss portion of said second bracket and adapted to pivotally move said second bracket about said shaft, second housing secured to said second bracket, a finishing member rotatably mounted in said second housing, and means for driving said finishing member.

1.8.111 an adjustable finishing machine, the combination of a column, a support structure adjustably mounted on said column to move around its means for moving said support structure longitudinally of said column, a housing acljustably mounted on said support structure, a bracket sivivelly mounted in said housing and provided with a boss portion. having a lug fixedly connected thereto, a shaft secured in said boss portion of said bracket and having nds extended out of each side of said boss port: n, a second bracket ivota-lly supported on said shaft and provided with a boss portion surrounding said lug of said first mentioned brackresilient means operatively connecting said lug of said boss portion of said second bracket and adapted to pivotally move said bracket about said shaft, a second housing secured to said sec ond bracket, a finishing member rotatably supported by said second housing, an electric motor assembly pivotally supported on said shaft, driving means operatively connecting said electric motor assembly and said finishing member and means for adjusting the position of said electric motor assembly to change the length of portions of said driving means.

19. In an adjustable finishing machine, the combination of a column, a support structure adjustably mounted on said column to move around its axis, means for moving said support structure longitudinally of said column, a housing adjustably mounted on said support structure, a bracket swivelly mounted in said housing and provided with a boss portion having a lug dly connected thereto, a shaft secured in said boss portion of said bracket and having ends extended out of each side of said boss portion, a second bracket plvotally supported on said shaft and provided with box like portion surrounding said lug of said first mentioned bracket, resilient means operatively connecting said lug of said boss portion of said first mentioned bracket and opposite sides of said boss portion of said sec-- ond bracket and adapted to pivotally move said bracket about said shaft, a second housing secured to said second bracket, a finishing member rotatably supported by said second housing, means for driving said finishing member, and adjustable members mounted in Wall portions of said box portion of said second bracket and oppositely disposed about said lug of said first mentioned bracket, said adjustable members being adapted to engage said lug of said first mentioned bracket to prevent said resilient means from pivotally moving said second bracket about said shaft.

20. In an adjustable finishing machine, the combination of a column, a support structure rotatably mounted on said column, a housing rotatably mounted on said support structure, a bracket swivelly mounted on said housing, a shaft mounted in said bracket, a second bracket having hub portions pivotally supported on said shaft and provided with flanges at its opposite ends, said second bracket being further provided with web portions connecting said flanges and said hub portions, a second housing secured to said flanges of said second bracket, a second shaft rotatably mounted in said second housing, a finishing member fixedly secured to said second shaft and adapted to rotate therewith, a pair of bracket members pivotally mounted on said first mentioned shaft, an electric motor assem bly mounted on said pair of brackets, adjustable means connecting one of said pair of brackets and one of saidweb portions of said second bracket and adapted to adjustably position said pair of brackets tog-ether with said electric motor assembly, a pulley member operatively driven by said electric motor assembly, a second pulley member mounted on said second shaft, and belt nembers connecting said pulley members.

21. In an adjustable finishing machine, the combination of an upright tubular column suitably supported, a nut member slidably mounted on said upright tubular column, a support structure rotatably mounted on said nut member, means for slidably operating said nut member on said upright tubular column, a second support structure mounted on said first mentioned sup port structure and adapted to swivel abouta horizontal axis, a finishing member rotatably mounted and swivelly supported on said second support structure, and means for driving said finishing member.

22.111 an adjustable finishing machine, the combination of a sole upright column suitably supported, a structure swivelly mounted on said sole upright column and adapted to swing entirely around the axis of said sole column, a shaft for moving said structure up and down said sole upright column, said shaft being rotatably mounted axially relative to said sole column and operatively connected with said structure, a second shaft mounted to extend transversely to the axis of said first mentioned shaft, said second shaft being operatlvely connected with said first mentioned shaft, 2, finishing member movably supported on said structure, and means for driving said finishing member.

23. In an adjustable finishing machine, the combination of an upright tubular member suitably supported and provided with a keyway extending longitudinally thereof, a nut member slidabiy mounted on said upright tubular member and provided with a boss portion extending through said keyway of and within said upright tubular member, a key supported by said nut member and engaging said keyway, means for moving said nut member along said upright tubular member, said means engaging said boss portion of said nut member, a support structure supported by said nut member, a finishing member movably mounted on said support structure, and means for driving said finishing member.

24. In an adjustable finishing machine, the combination of a tubular member provided with a slot extending longitudinally thereof, a bone-- ing supported at one end of said tubular memher, a nut member movably mounted on said tubular member and provided with a boss extending through said slot and within said tubular mem ber, means for moving said nut member along said tubular member and comprising a shaft rotatably supported by said housing and said nut member Within said tubular member, a support structure supported by said nut member, said structure being swivelly supported thereon to per mit a swivel movement of said support structure entirely around said tubular member, a finishing member mounted on said support structure, and means for driving said finishing member.

25.111 an adjustable finishing machine, the combination of asupport column, a structure movably supported by said support column, means for moving said structure along said support column, said means comprising a gear mechanism at one end of said support column and provided with means for manual operation thereof, an upright shaft mounted on said structure, a

second support structure rotatably mounted on said upright shaft, a finishing member movably mounted on said second structure, and means for driving said finishing member.

26. In an adjustable finishing machine, the combination of a support column, slide means supporting said support column at its base, a structure movably supported by said support column, means for moving said structure along said support column and comprising manually operated means mounted at the top of said column, a housing rotatably supported on said structure, a bracket swivelly supported by said housing, means for swivelly moving said bracket relative to said housing, a finishing member movably supported by said bracket, and means for driving said finishing member.

27. In an adjustable finishing machine, the combination of a support column, a structure movably mounted on said support column, means for moving said structure along said supportcolumn, a bracket rotatably supported on a horizontal axis by said structure and provided with an undercut portion adjacent its under side, a finishing mechanism pivotally supported in a ver tical plane by said bracket and adapted to move underneath and adjacent said undercut portion of said bracket, and means for driving said finishing member.

28. In an adjustable finishing machine, the combination of a tubular support column, a structure movably mounted on said tubular support column, means for moving said structure along said tubular support column, said means being enclosed within said tubular support column, manually operable means mounted at one end of said tubular support column and operatively connected with said first mentioned means, a bracket movably supported by said structure and provided with an undercut portion, a finishing mechanism movably supported by said bracket and adapted to move adjacent said undercut portion of said bracket, and resilient means for driving said finishing member, and resilient means for moving said finishing member toward a member to be finished.

29. In an adjustable finishing machine, the combination of a. support column extending longitudinally substantially in a vertical plane, an arm structure movably supported by said support structure and adapted to swing about the axis of said support column, screw means enclosed Within said support column for moving said arm structure along said support column, a bracket swivelly supported by said arm structure and adapted further to swing in a plane extending substantially at right angles to the axis of said support column, a finishing mechanism movably supported by said bracket and adapted to swing in a plane located substantially parallel with the axis of said support column, and driving means for said finishing mechanism, said driving means being swivelly supported by said bracket and adapted for adjustable movement in a plane located substantially parallel with the axis of said support column.

GUSTAVE A. CARL-SON.