US844366A - Abrading-machine. - Google Patents

Abrading-machine. Download PDF

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Publication number
US844366A
US844366A US29048105A US1905290481A US844366A US 844366 A US844366 A US 844366A US 29048105 A US29048105 A US 29048105A US 1905290481 A US1905290481 A US 1905290481A US 844366 A US844366 A US 844366A
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Prior art keywords
arm
roller
die
abrading
belt
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US29048105A
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Clarence Kitson
William J Reinholtz
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor

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  • This invention relates to improvements in machines for cleaning and polishing moldings of various shapes, and more especially such as are fluted or beaded longitudinally on a concave or convex surface-as, for instance, posts, pillars, and legs of dining: tables, bufi'ets, etc.
  • the object of the present invention is to arrange the die-roller on which the abradingbelt is mounted in such a position as to en- I able curved moldings to be run either longitudinally under the roller or transversely lengthwise or cross-grain.
  • Invention consists in the construction, com-. I 5.
  • Figure 1 is lar view showing the die-roller in end elevasponding tion and the molding in transverse section.
  • the mechanism is mounted upon a suitable standard 2, in v the upper end of which is journaled a shaft 3, on one end-of which is a driving-pulley 4, having a driving power-belt 5 thereon, and on the other end of the shaft is a pulley 6, on which the abrading-belt 7 is mounted.
  • a grooved guide 8 On the standard intermediate its ends is a grooved guide 8, which may be integral with the standard or secured thereto in any suitable manner.
  • this guide is mounted an 1 arm 9, which has a vertically-disposed flange With these and other Objects in View the 10, fitted in the groove of the guide and adapted to be adjusted vertically therein by means of a screw-threaded shaft 11, which has a threaded engagement with the arm 9 to support the latter in its guide, the upper end of the shaft being swiveled in the upper end of the guide and provided with a handwheel 12, whereby, when the shaft 11 is rotated by said hand-wheel, the arm 9 will be moved up and down in the guide to give the proper tension to the abradingbelt 7, which runs over the die-roller 13, mounted upon an arbor 14, journaled in a bearing 15 in the end of the arm 9.
  • the die-roller detachably connected with the arbor 14 rollers .of different contour and of different diameter
  • the arbor may be provided with a roller of convex contour in cross-section, the same being used for polishing grooved or fluted surfaces of molding 16, as shown in Fig. 6; but obviously other shapes may be polished with die-rollers of different configurationas, for instance, a beaded surface could be polished with dieroller 13. (Shown in Fig. 4.)
  • One of the salient features of the present invention resides in the location or relative arrangement of the die-roller so as to adapt. it to operate upon moldings that are curved longitudinally, a fragment of which is shown at 16 in Fig. 5, and for this purpose the arm 9 shown in Fig. 3, whereby the curved molding may be run longitudinally under the dieroller, as indicated by the arrow in Fig. 2 and transversely or cross-grain, as indicated by the arrow in Fig. 1, and not only is this arrangement especially designed to operate upon the concave face of curved molding, but also upon the convexed face thereof, as will be obvious.
  • This belt-guide is supported from the arm 9 by an upstanding plate 18, which is secured to the arm 9 and which is provided with a thumbscrew 19, the shank of which extends through a slot in the vertical arm of a bracket 20, whose horizontal arm is also slotted longitudinally and fitted with a shank of a thumbscrew 21, which shank also extends through the longitudinally slot in an arm 22, all'of which is more clearly shown in Fig. 3.
  • an idler 23 On the free end of this arm 22 is journaled an idler 23, on each end of which is a flange be tween which the abrading-belt is guided, the idler preferably being disposed above and in the same vertical plane with the guide-roller, as shown, although by the construction above mentioned the idler may be adjusted vertically by releasing the thumb-screw 1.9 and lifting the bracket 2O and arm 22 and also adjusted horizontally in the same plane with and lon itudinally of the axis of the dievroller and also angularly by means of the thumb-screw 21, the shank of which passes through coinciding slots in the bracket and arm 22.
  • the tension on the abradingbelt maybe increased as may be necessary when the die-rollers of small diameters are used, and in such instances the belt will be held away from the front edge of the dieroller andv will engage the same at the bottom thereof only, thus giving to the belt a sharp curve at the bottom of the die-roller and a gradual curve from the bottom toward the A idler, enabling molding of irregular curvatighten ture to be 0 erated upon by a single dieroller of small diameter.
  • the angular and horizontal adjustments of the idler permit the abrading-belt to be brought nearer to one edge of a die-roller when the latter is of such shape as to require the polishin of sharp corners or crevices.
  • the idler may be utilized to the belt when the same is mounted on large die-rollers.
  • a polishing-machine the combination with a standard, a die-roller verticallyadjustable therein, said die-roller being journaled in front of and to one side of the standard, whereby an unobstructed space is formed beneath the die-roller, of a combined belt guide and tightener journaled above the die-roller and 1 l l l 1 adjustable in the same vertical plane therewith and also ad'ustable in a plane parallel with and longitudinally of the axis of the dieroller, and an abrading-belt mounted on the die-roller, substantially as specified.
  • a polishing-machine embodying a standard, a driven pulley mounted thereon, a
  • a curved arm vertically adjustable in the guide and extending forwardly and to one side of the standard, a die-roller journaled in end of the arm, and an abrading-belt mounted on the die-roller and the driven pulley, substantially as specified.
  • a polishing-machine embodying a standard, a driven pulley journaled therein, an abrading-belt on said pulley, an arm adjustably mounted on the standard, said arm extending horizontally from the front of the standard and then curved laterally with its free end disposed substantially in the same vertical plane with the driven pulley, to provide an unobstructed space beneath the free end of the arm and a die-roller journaled in the free end of the arm and engaged with the abrading-belt, whereby curved molding may be run longitudinally and transversely under the die-roller when polished.
  • a standard a shaft journaled in the upper end of the standard, a driven pulley mounted on said shaft, a grooved guide on said standard, an arm having a vertical plate mounted in the grooves of the guide, a threaded adjusting-rod swiveled in the guide and engaged with the arm, said arm being curved and hav ing its free end disposed in front of and to one side of the standard, an arbor journaled in the free end of the arm, a die-roller detachably mounted on said arbor and in the same vertical plane with the driven pulley, an abrading-belt mounted on said pulley and on the die-roller, a bracket vertically adjustable upon said arm and having a longitudinal slot in its horizontal portion thereof, an arm hav- ICC

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

- 'PATENTED FEB. 19, 1907. 0. KITSON & W. J. REINHOLTZ.
ABRADING MACHINE.
APPLICATION FILED DEG.5,1905.
" "thereof, so as to polish the same either UNITED srArns PATENT OFFICE.
CLARENCE KITSON AND WILLIAM J. REINHOLTZ, OF MISHAWAKA, INDIANA.
ABRADlNG-IVIACHINE.
Specification of Letters Patent.
7 {PiatentedFeh 19, 1907.
Application filed December 5,1905. Serial No. 290,481.
To m/t IIJ/I/OTH/ it n'lmtj concern.-
Be it known that we, CLARENCE KITSON and WILLIAM J. ltEINHoL'rz, citizens of the United States, residing at Mishawaka, in the county of St. Joseph and State of Indiana,
have Invented new and useful Improvements in Abrading-Machine, of which the following is a specification.
This invention relates to improvements in machines for cleaning and polishing moldings of various shapes, and more especially such as are fluted or beaded longitudinally on a concave or convex surface-as, for instance, posts, pillars, and legs of dining: tables, bufi'ets, etc.
The object of the present invention, is to arrange the die-roller on which the abradingbelt is mounted in such a position as to en- I able curved moldings to be run either longitudinally under the roller or transversely lengthwise or cross-grain.
Invention consists in the construction, com-. I 5.
' I be more fully described hereinafter and pointbination, and arrangement of parts, all as will ed out in the appended claims.
accompanying a front elevation of a polishing-machine'com 'struc'ted in accordance drawings, Figure 1 is lar view showing the die-roller in end elevasponding tion and the molding in transverse section.
Like reference characters indicate correparts throughout the several views of the drawings. In carrying out the invention the mechanism is mounted upon a suitable standard 2, in v the upper end of which is journaled a shaft 3, on one end-of which is a driving-pulley 4, having a driving power-belt 5 thereon, and on the other end of the shaft is a pulley 6, on which the abrading-belt 7 is mounted.
On the standard intermediate its ends is a grooved guide 8, which may be integral with the standard or secured thereto in any suitable manner. In this guide is mounted an 1 arm 9, which has a vertically-disposed flange With these and other Objects in View the 10, fitted in the groove of the guide and adapted to be adjusted vertically therein by means of a screw-threaded shaft 11, which has a threaded engagement with the arm 9 to support the latter in its guide, the upper end of the shaft being swiveled in the upper end of the guide and provided with a handwheel 12, whereby, when the shaft 11 is rotated by said hand-wheel, the arm 9 will be moved up and down in the guide to give the proper tension to the abradingbelt 7, which runs over the die-roller 13, mounted upon an arbor 14, journaled in a bearing 15 in the end of the arm 9. By having the die-roller detachably connected with the arbor 14 rollers .of different contour and of different diameter,
such as are shown in Fig. 4, may be fitted to it is preferred to have the peor rubber,so as to conform to any irregularities orsmallcrevices in the molding operated upon. As shown in the drawings, the arbor may be provided with a roller of convex contour in cross-section, the same being used for polishing grooved or fluted surfaces of molding 16, as shown in Fig. 6; but obviously other shapes may be polished with die-rollers of different configurationas, for instance, a beaded surface could be polished with dieroller 13. (Shown in Fig. 4.)
One of the salient features of the present invention resides in the location or relative arrangement of the die-roller so as to adapt. it to operate upon moldings that are curved longitudinally, a fragment of which is shown at 16 in Fig. 5, and for this purpose the arm 9 shown in Fig. 3, whereby the curved molding may be run longitudinally under the dieroller, as indicated by the arrow in Fig. 2 and transversely or cross-grain, as indicated by the arrow in Fig. 1, and not only is this arrangement especially designed to operate upon the concave face of curved molding, but also upon the convexed face thereof, as will be obvious. When the curved surface of the molding is on a small radius, a correspondingly small die-roller is required, and in order to take up for-the slack in the abrading- V belt for such rollers and also to use the same roller to polish the curved surface of a larger 18 preferably curved, so as to extend for-- wardly and to'one side of the standard 2, as
arch on the same molding we provide an ad justable belt guide and tightener. This belt-guide is supported from the arm 9 by an upstanding plate 18, which is secured to the arm 9 and which is provided with a thumbscrew 19, the shank of which extends through a slot in the vertical arm of a bracket 20, whose horizontal arm is also slotted longitudinally and fitted with a shank of a thumbscrew 21, which shank also extends through the longitudinally slot in an arm 22, all'of which is more clearly shown in Fig. 3. On the free end of this arm 22 is journaled an idler 23, on each end of which is a flange be tween which the abrading-belt is guided, the idler preferably being disposed above and in the same vertical plane with the guide-roller, as shown, although by the construction above mentioned the idler may be adjusted vertically by releasing the thumb-screw 1.9 and lifting the bracket 2O and arm 22 and also adjusted horizontally in the same plane with and lon itudinally of the axis of the dievroller and also angularly by means of the thumb-screw 21, the shank of which passes through coinciding slots in the bracket and arm 22. g g
It will be seen that when the idler is adjusted vertically the tension on the abradingbelt maybe increased as may be necessary when the die-rollers of small diameters are used, and in such instances the belt will be held away from the front edge of the dieroller andv will engage the same at the bottom thereof only, thus giving to the belt a sharp curve at the bottom of the die-roller and a gradual curve from the bottom toward the A idler, enabling molding of irregular curvatighten ture to be 0 erated upon by a single dieroller of small diameter. Furthermore, the angular and horizontal adjustments of the idler permit the abrading-belt to be brought nearer to one edge of a die-roller when the latter is of such shape as to require the polishin of sharp corners or crevices. Generally, %1owever, the idler may be utilized to the belt when the same is mounted on large die-rollers.
Having thus described our invention, what we claim, and desire to secure by Letters Patent, is
1 In a polishing-machine, the combination with a standard, a die-roller verticallyadjustable therein, said die-roller being journaled in front of and to one side of the standard, whereby an unobstructed space is formed beneath the die-roller, of a combined belt guide and tightener journaled above the die-roller and 1 l l l l 1 adjustable in the same vertical plane therewith and also ad'ustable in a plane parallel with and longitudinally of the axis of the dieroller, and an abrading-belt mounted on the die-roller, substantially as specified.
2. A polishing-machine embodying a standard, a driven pulley mounted thereon, a
ide on the standard, a curved arm vertically adjustable in the guide and extending forwardly and to one side of the standard, a die-roller journaled in end of the arm, and an abrading-belt mounted on the die-roller and the driven pulley, substantially as specified.
3. A polishing-machine embodying a standard, a driven pulley journaled therein, an abrading-belt on said pulley, an arm adjustably mounted on the standard, said arm extending horizontally from the front of the standard and then curved laterally with its free end disposed substantially in the same vertical plane with the driven pulley, to provide an unobstructed space beneath the free end of the arm and a die-roller journaled in the free end of the arm and engaged with the abrading-belt, whereby curved molding may be run longitudinally and transversely under the die-roller when polished.
4. In a machine of the class described, a standard, a shaft journaled in the upper end of the standard, a driven pulley mounted on said shaft, a grooved guide on said standard, an arm having a vertical plate mounted in the grooves of the guide, a threaded adjusting-rod swiveled in the guide and engaged with the arm, said arm being curved and hav ing its free end disposed in front of and to one side of the standard, an arbor journaled in the free end of the arm, a die-roller detachably mounted on said arbor and in the same vertical plane with the driven pulley, an abrading-belt mounted on said pulley and on the die-roller, a bracket vertically adjustable upon said arm and having a longitudinal slot in its horizontal portion thereof, an arm hav- ICC
US29048105A 1905-12-05 1905-12-05 Abrading-machine. Expired - Lifetime US844366A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431795A (en) * 1945-11-21 1947-12-02 Walter L Ryan Grinding apparatus
US2573220A (en) * 1947-05-31 1951-10-30 Minnesota Mining & Mfg Abrading the interior surfaces of hollow ware
US2578662A (en) * 1948-07-28 1951-12-18 Bader Stephen Belt grinding and polishing machine
US2677922A (en) * 1950-08-10 1954-05-11 J M Nash Company Finishing and polishing equipment
US2678522A (en) * 1950-04-19 1954-05-18 Bouligny Inc R H Sanding machine
US4078337A (en) * 1977-01-10 1978-03-14 Chiasson Robert H Apparatus for sharpening ice skate blades and the like

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431795A (en) * 1945-11-21 1947-12-02 Walter L Ryan Grinding apparatus
US2573220A (en) * 1947-05-31 1951-10-30 Minnesota Mining & Mfg Abrading the interior surfaces of hollow ware
US2578662A (en) * 1948-07-28 1951-12-18 Bader Stephen Belt grinding and polishing machine
US2678522A (en) * 1950-04-19 1954-05-18 Bouligny Inc R H Sanding machine
US2677922A (en) * 1950-08-10 1954-05-11 J M Nash Company Finishing and polishing equipment
US4078337A (en) * 1977-01-10 1978-03-14 Chiasson Robert H Apparatus for sharpening ice skate blades and the like

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