US2815609A - Deburring and polishing machine - Google Patents
Deburring and polishing machine Download PDFInfo
- Publication number
- US2815609A US2815609A US610177A US61017756A US2815609A US 2815609 A US2815609 A US 2815609A US 610177 A US610177 A US 610177A US 61017756 A US61017756 A US 61017756A US 2815609 A US2815609 A US 2815609A
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- United States
- Prior art keywords
- pan
- secured
- shaft
- deburring
- polishing machine
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/003—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor whereby the workpieces are mounted on a holder and are immersed in the abrasive material
Definitions
- Another object of this invention is to provide a substantially automatic deburring and polishing machine utilizing the principles of reciprocating movement to remove burrs, produce radii, closing pores of material, increasing the lustre of surfaces, and provide micro inch finishes.
- a still further object of the presentinvention is to provide an automatic deburring and polishing machine that is adapted to be automatically controlled insofar as time of operation is concerned which is automatically operative to remove the workpiece from the deburring operation.
- Figure 1 is a front elevational view of a'deburring and polishing machine made in accordance with the present invention
- FIG. 2 is an enlarged fragmentary perspective view showing the pan elevator mechanism
- Figure 3 is an enlarged perspective view showing the shaft reciprocating mechanism
- Figure 4 is a diagrammatic view showing the sprocket and chain arrangement of the elevating mechanism shown in Figure 2;
- the workpiece 100 is adapted to be supported between longitudinally spaced brackets 15, 16, rigidly secured to a longitudinally reciprocating shaft 17.
- the work is readily secured to the shaft by means of a quick-loading clamp arrangement 18 associated with one of the brackets 15.
- the longitudinal shaft 17 is slidably supported at each end by bearing elements 20, 21, secured to the machine frame.
- the pan 13 is provided at each corner with a pair of outwardly extending and longitudinally disposed spacer strips 23 that are arranged to maintain the corners of the pan out of direct engagement with the vertical angles 25 which guide the vertical reciprocating movement of the pan.
- the pan is raised and lowered by means of sprockets and chains that are supported on the frame of the housing.
- a sprocket chain 27 is associated with each side of the front of the pan 13 and has one end 28 secured to the front portion of the pan side Wall and the opposite end 30 secured to the periphery of a spur gear 31.
- Each of the sprocket chains 27 is trained about an idler pulley 29 associated therewith.
- the rear portions of each side of the pan are provided with sprocket chains 33 that are secured at one end 34 thereto and which are trained about idlers 35, the opposite ends 36 thereof being secured to a similar spur gear 37.
- each of the sprocket chains 27, 33 are of identical length and are secured to the pan at identical levels.
- each end of the sprocket chain is secured to the associated spur gear at a point diametrically opposite to the point of securement of the adjacent sprocket chain.
- the respective one of each pair of idlers 29, 35 are secured to a common shaft 38, 39, each such idler shaft being supported on top of the main housing in rotatable bearings 40.
- both spur gears 31, 37 are secured to a common drive shaft 42 that is rotatably supported on the main housing 10 by means of rotatable bearing 43.
- a drive gear 45 is secured to the central portion of the drive shaft 42 and is arranged to rotate the spur gears 31, 37, in either direction by means of power delivered thereto through the drive chain 47 which is in engagement with the drive sprocket 48 on the outer end of the drive a workpiece and position for the deburring operation;
- Figure 6 is a fragmentary cross-sectional view showing the elevator guide means for the deburring pan
- FIG 7 is a fragmentary view of the elevator drive gear shown in Figure 2;
- Figure 8 is a perspective view of a removable stop pan used in connection with the apparatus shown in Figure 7; and p e p H Figure 9 is a perspective view of the side of the power cabinet, shown in the arrangement of the various electrical power switches thereon.
- a deburring and polishing machine made in accordance with the present invention is shown to include a substantially large open work station 10 and a closed power station 11 immediately adjacent thereto.
- a longitudinally extending pan 13 which holds the deburring medium 14 such as shaft 49 of a reduction gear unit 50.
- the reduction gear unit is driven by an electric motor 54, a mechanical punch 52 being interposed in the line of power.
- rotation of the drive gear 45 in a counter-clockwise direction is operative to raise the pan 13 from a lowered to a higher position; rotation of the drive gear 45 in a clockwise direction being operative to return the pan to its lowered position.
- Rotation of the drive gear in either direction is limited by limit switches 56, 57, carried by the bearing 43.
- An adjustable stop member 59 is removably secured in any one of the plurality of holes 60 in'the drive gear and extends outwardly to the path of the limit switches.
- the motor 54 is operative'to drive the drive gear 45 in a counter-clockwise direction until the stop 59 closes the limit switch 56, thereby opening a magnetic reversing switch 62 for'a predetermined period of time as determined by the preset timer mechanism 63;
- power from the line switch 64 is supplied through the main switch 65 to the reversing switch 62 which has automatically reversed so as to efiect rotation of the motor 54 in an opposite direction, whereby the drive gear 45 will be rotated in a clockwise direction.
- This rotation will continue until the stop member 59 engages the opposite limit switch 57 which again deenergizes the reversing switch 62.
- An overload switch 67 permits slippage of the raising of the pan so as not to damage the parts as the pan is raised into position.
- the shaft extends through an end wall 70 in the power station 11 where it is rotatably and reciprocatingly supported in its associated bearing 20 that is supported on the horizontal platform 72.
- the portion of the shaft immediately behind the bearing is partially splined 74 to receive a T 75 that is secured in an adjustable clamp 76 so as to prevent rotation of the shaft.
- the extremity of the shaft has a bifurcated cap 78 secured thereto which is in pivotal relationship with a connecting link 80 that has a flanged terminal cap 81 adjustably secured to one of a plurality of spaced holes 82 in a circular plate 83 such as by a nut and bolt 84.
- This plate 83 is secured to the outer end of the rotatable shaft 86 that is rotatably supported in space bearings 87, 88, secured to the housing frame.
- the central portion of the shaft includes a keyed driven gear 89 having a sprocket chain 92 in driving engagement therewith.
- This chain is arranged to be driven by a drive gear 90 secured to the outward shaft of a reduction gear unit 93.
- This unit is driven by an electric motor 91 through a belt 96 trained over associated pulleys 94, 95, on respective units.
- a timer switch 97 controls the flow of current through a magnetic reversing switch 98 that is supplied from the main switch 65 and the line switch 64, so that energization of the motor 91 depends upon the setting of the timing switch, 97.
- the workpiece 100 is secured between the adjustable brackets 15, 16.
- the main switch 65 is then closed, whereupon the shaft 17 is reciprocated by the power delivered by the motor 91.
- the extent of reciprocation depends upon the particular setting of the terminal cap 81 on the circular plate 83, the duration of the reciprocation depending upon the setting of the timing switch 97, and the speed of the reciprocation depending upon the motor setting.
- the pan 13 containing the polishing material 14 is elevated by the respective sprocket chains by means of the motor 54.
- the height to which the pan is raised depends upon the setting of the adjustable stop 59 in the holes 60 of the drive gear 45.
- power to the motor 54 is cut 01f by the magnetic switch 62.
- the workpiece is then caused to be reciprocated through the polishing material 14 of the pan for a period of time determined by the timer 63.
- the motor 54 is reversed so as to lower the pan 13.
- the timer 97 effects deenergization of the shaft reciprocating motor 91, whereupon the apparatus is ready for the next operation.
- a door 99 encloses the power station to prevent injury to workers in the area.
- various covers and guards may be placed over other portions of the machine for more complete safety.
- the crank shaft is shown in Figure in position for a deburring operation, it will be recognized that various other types of units may be mounted either singly or secured to prepared racks in groups for deburring a plurality of such units in a single operation.
- the number of parts that may be deburred at any one time depend upon the provision of suitable racking fixtures and support means for holding such fixtures to the reciprocating shaft 17.
- a deburring and polishing machine comprising, in combination, a housing, a pan supported on said housing for selective vertical movement, a longitudinal shaft supported on said housing above said pan for reciprocating longitudinal movement, said shaft including depending brackets adapted to rigidly support a workpiece, means for continuously reciprocating said shaft for a predetermined period of time, and means for elevating said pan into enclosing engagement with said depending brackets.
- said elevating means comprises sprocket chains secured at one end. to each corner of said pan and at the opposite ends thereof to driven sprockets secured to a common shaft, said opposite ends of one pair of said sprocket chains being secured to diametrically opposite sides of one sprocket, said opposite ends of the other pair of sprocket chains being secured to diametrically opposite sides of one other of said sprockets, and means for selectively rotating said common shaft to raise and lower said pan.
- said longitudinal shaft is slidably supported in spaced bearings
- said means for reciprocating said longitudinal shaft comprising a rotatable driven plate having a plurality of diverse connecting points, a connecting link pivotally secured at one end to one extremity of said longitudinal shaft and removably secured at the opposite end to one of said connecting points, and means for selectively rotating said driven plate to reciprocate said longitudinal shaft.
- An elevating mechanism for deburring and polishing machines comprising a pan, a pair of horizontally spaced chains having one end engaged with said pan and extending upwardly from each end of said pan, each pair of chains being trained over a single guide means disposed above the respective ends of said pan, the opposite ends of each of one pair of said chains being secured to the periphery of a spaced pair of driven gear means, and the opposite ends of each of the other pair of chains being secured to the periphery of said spaced pair of driven gear means, and the opposite of each of the other pair of chains being secured to the periphery of said spaced pair of driven gear means at diametrically opposite sides thereof from said one pair of said chains, all of said chains being of identical length.
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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
Dec. 10, 1957 A. F. VON DER LINDEN EVTAL 2,8 5,60
DEBURRING AND POLISHING MACHINE 4 Sheets-Sheet 1 BY W ,ymmwa 6 27 7 01? E vaw 952 4/11/05 N &
Filed Sept. 17, 1.956
1957 A. F. VON DER LINDEN ET AL 2,815,609
DEBURRING AND POLISHING MACHINE Filed Sept. 17, 1956 4 Sheets-Sheet 2 IN VEN TORJ Dec. 10, 1957 A. F. VON DER LINDEN ET AL 2,315,609
DEBURRI NG AND POLISHING MACHINE 4 Shets-Sheet 3 Filed Sept. 17. 1956 m VH5 m w. 7 WW 1 5 wsw ,2
Dec. 10, 1957 A. F. VON DER LINDEN ETAL 2,815,509
DEBURRING AND POLISHING MACHINE Fi led Sept. 17, 1956 4 Sheets-Sheet 4 per INVENTORS 00/? A" STEVE Z/A/DEA/ DEBURRING AND POLISHING MACHINE Arthur F. von der Linden, Newark, and Steve Yacus, Warren Township, N. J.
Application September 17, 1956, Serial No. 610,177
Claims. (Cl. 51-7) and which is particularly suited to various types of work- 4 pieces.
Another object of this invention is to provide a substantially automatic deburring and polishing machine utilizing the principles of reciprocating movement to remove burrs, produce radii, closing pores of material, increasing the lustre of surfaces, and provide micro inch finishes.
A still further object of the presentinvention is to provide an automatic deburring and polishing machine that is adapted to be automatically controlled insofar as time of operation is concerned which is automatically operative to remove the workpiece from the deburring operation.
All of the foregoing and still further objects and advantages of the present invention will become apparent from a study of the following specification, taken'in connection with the accompanying drawing, wherein:
Figure 1 is a front elevational view of a'deburring and polishing machine made in accordance with the present invention;
Figure 2 is an enlarged fragmentary perspective view showing the pan elevator mechanism;
Figure 3 is an enlarged perspective view showing the shaft reciprocating mechanism;
Figure 4 is a diagrammatic view showing the sprocket and chain arrangement of the elevating mechanism shown in Figure 2;
Figure 5 is a cross-sectional view of the pan, showing Patented Dec. '10, =1
ice
steel balls, stones, etc., is arranged for reciprocating vertical movement within the work station 10. As shown in Figure 5, the workpiece 100 is adapted to be supported between longitudinally spaced brackets 15, 16, rigidly secured to a longitudinally reciprocating shaft 17. The work is readily secured to the shaft by means of a quick-loading clamp arrangement 18 associated with one of the brackets 15. The longitudinal shaft 17 is slidably supported at each end by bearing elements 20, 21, secured to the machine frame.
As more clearly shown in Figure 2, the pan 13 is provided at each corner with a pair of outwardly extending and longitudinally disposed spacer strips 23 that are arranged to maintain the corners of the pan out of direct engagement with the vertical angles 25 which guide the vertical reciprocating movement of the pan. The pan is raised and lowered by means of sprockets and chains that are supported on the frame of the housing. A sprocket chain 27 is associated with each side of the front of the pan 13 and has one end 28 secured to the front portion of the pan side Wall and the opposite end 30 secured to the periphery of a spur gear 31. Each of the sprocket chains 27 is trained about an idler pulley 29 associated therewith. Similarly, the rear portions of each side of the pan are provided with sprocket chains 33 that are secured at one end 34 thereto and which are trained about idlers 35, the opposite ends 36 thereof being secured to a similar spur gear 37.
As is more clearly shown in Figure 4, each of the sprocket chains 27, 33, are of identical length and are secured to the pan at identical levels. Similarly, each end of the sprocket chain is secured to the associated spur gear at a point diametrically opposite to the point of securement of the adjacent sprocket chain. The respective one of each pair of idlers 29, 35, are secured to a common shaft 38, 39, each such idler shaft being supported on top of the main housing in rotatable bearings 40. Similarly, both spur gears 31, 37, are secured to a common drive shaft 42 that is rotatably supported on the main housing 10 by means of rotatable bearing 43. A drive gear 45 is secured to the central portion of the drive shaft 42 and is arranged to rotate the spur gears 31, 37, in either direction by means of power delivered thereto through the drive chain 47 which is in engagement with the drive sprocket 48 on the outer end of the drive a workpiece and position for the deburring operation;
Figure 6 is a fragmentary cross-sectional view showing the elevator guide means for the deburring pan;
Figure 7 is a fragmentary view of the elevator drive gear shown in Figure 2;
Figure 8 is a perspective view of a removable stop pan used in connection with the apparatus shown in Figure 7; and p e p H Figure 9 is a perspective view of the side of the power cabinet, shown in the arrangement of the various electrical power switches thereon.
Referring now to Figure l of the drawing, a deburring and polishing machine made in accordance with the present invention is shown to include a substantially large open work station 10 and a closed power station 11 immediately adjacent thereto. A longitudinally extending pan 13 which holds the deburring medium 14 such as shaft 49 of a reduction gear unit 50. The reduction gear unit is driven by an electric motor 54, a mechanical punch 52 being interposed in the line of power.
As is more clearly shown in Figures 2 and 7, rotation of the drive gear 45 in a counter-clockwise direction is operative to raise the pan 13 from a lowered to a higher position; rotation of the drive gear 45 in a clockwise direction being operative to return the pan to its lowered position. Rotation of the drive gear in either direction is limited by limit switches 56, 57, carried by the bearing 43. An adjustable stop member 59 is removably secured in any one of the plurality of holes 60 in'the drive gear and extends outwardly to the path of the limit switches. In-starting the apparatus, the motor 54 is operative'to drive the drive gear 45 in a counter-clockwise direction until the stop 59 closes the limit switch 56, thereby opening a magnetic reversing switch 62 for'a predetermined period of time as determined by the preset timer mechanism 63; After the passage of the predetermined period of time, power from the line switch 64 is supplied through the main switch 65 to the reversing switch 62 which has automatically reversed so as to efiect rotation of the motor 54 in an opposite direction, whereby the drive gear 45 will be rotated in a clockwise direction. This rotation will continue until the stop member 59 engages the opposite limit switch 57 which again deenergizes the reversing switch 62. An overload switch 67 permits slippage of the raising of the pan so as not to damage the parts as the pan is raised into position.
Referring now to Figures 2 and 3, the mechanism is shown for reciprocating the longitudinal shaft 17. The shaft extends through an end wall 70 in the power station 11 where it is rotatably and reciprocatingly supported in its associated bearing 20 that is supported on the horizontal platform 72. The portion of the shaft immediately behind the bearing is partially splined 74 to receive a T 75 that is secured in an adjustable clamp 76 so as to prevent rotation of the shaft. The extremity of the shaft has a bifurcated cap 78 secured thereto which is in pivotal relationship with a connecting link 80 that has a flanged terminal cap 81 adjustably secured to one of a plurality of spaced holes 82 in a circular plate 83 such as by a nut and bolt 84. This plate 83 is secured to the outer end of the rotatable shaft 86 that is rotatably supported in space bearings 87, 88, secured to the housing frame. The central portion of the shaft includes a keyed driven gear 89 having a sprocket chain 92 in driving engagement therewith. This chain is arranged to be driven by a drive gear 90 secured to the outward shaft of a reduction gear unit 93. This unit is driven by an electric motor 91 through a belt 96 trained over associated pulleys 94, 95, on respective units. A timer switch 97 controls the flow of current through a magnetic reversing switch 98 that is supplied from the main switch 65 and the line switch 64, so that energization of the motor 91 depends upon the setting of the timing switch, 97. In operation, the workpiece 100 is secured between the adjustable brackets 15, 16. The main switch 65 is then closed, whereupon the shaft 17 is reciprocated by the power delivered by the motor 91. The extent of reciprocation depends upon the particular setting of the terminal cap 81 on the circular plate 83, the duration of the reciprocation depending upon the setting of the timing switch 97, and the speed of the reciprocation depending upon the motor setting. Simultaneously, the pan 13 containing the polishing material 14 is elevated by the respective sprocket chains by means of the motor 54. The height to which the pan is raised depends upon the setting of the adjustable stop 59 in the holes 60 of the drive gear 45. Upon engaging with the upper limit switch 56, power to the motor 54 is cut 01f by the magnetic switch 62. The workpiece is then caused to be reciprocated through the polishing material 14 of the pan for a period of time determined by the timer 63. After the passage of the predetermined period of time, the motor 54 is reversed so as to lower the pan 13. As the pan is lowered, the timer 97 effects deenergization of the shaft reciprocating motor 91, whereupon the apparatus is ready for the next operation. It will be recognized that the various motor operations and time cycles can be arranged to be controlled from a central unit, and that the motor drive mechanisms can be of the packaged variable speed drive types presently available. In the absence of such prepared packaged units, however, the aforementioned systems are quite satisfactory.
Insofar as the housing is concerned, a door 99 encloses the power station to prevent injury to workers in the area. Similarly, various covers and guards may be placed over other portions of the machine for more complete safety. Similarly, while the crank shaft is shown in Figure in position for a deburring operation, it will be recognized that various other types of units may be mounted either singly or secured to prepared racks in groups for deburring a plurality of such units in a single operation. Of course, the number of parts that may be deburred at any one time depend upon the provision of suitable racking fixtures and support means for holding such fixtures to the reciprocating shaft 17.
It will, therefore, be recognized that while this invention has been described with particular reference to the specific form shown in the drawing, it is to be understood that such is not to be construed as imparting limitations upon the invention, which is best defined by the claims appended hereto.
Having thus described my invention, I claim as new and desire to secure by Letters Patent:
1. A deburring and polishing machine comprising, in combination, a housing, a pan supported on said housing for selective vertical movement, a longitudinal shaft supported on said housing above said pan for reciprocating longitudinal movement, said shaft including depending brackets adapted to rigidly support a workpiece, means for continuously reciprocating said shaft for a predetermined period of time, and means for elevating said pan into enclosing engagement with said depending brackets.
2. A machine as set forth in claim 1, wherein said elevating means comprises sprocket chains secured at one end. to each corner of said pan and at the opposite ends thereof to driven sprockets secured to a common shaft, said opposite ends of one pair of said sprocket chains being secured to diametrically opposite sides of one sprocket, said opposite ends of the other pair of sprocket chains being secured to diametrically opposite sides of one other of said sprockets, and means for selectively rotating said common shaft to raise and lower said pan.
3. A machine as set forth in claim 2, wherein said longitudinal shaft is slidably supported in spaced bearings, said means for reciprocating said longitudinal shaft comprising a rotatable driven plate having a plurality of diverse connecting points, a connecting link pivotally secured at one end to one extremity of said longitudinal shaft and removably secured at the opposite end to one of said connecting points, and means for selectively rotating said driven plate to reciprocate said longitudinal shaft.-
4; A machine as set forth in claim 3, wherein said machine further comprises automatic means for initiating said reciprocating action of said shaft, said automatic means being further operative to simultaneously engage said means for rotating said common shaft of said elevating means, whereby a workpiece supported by said longitudinal shaft is gradually placed in engagement with polishing material carried by said pan as said pan is raised into enclosing engagement with said brackets.
5. An elevating mechanism for deburring and polishing machines comprising a pan, a pair of horizontally spaced chains having one end engaged with said pan and extending upwardly from each end of said pan, each pair of chains being trained over a single guide means disposed above the respective ends of said pan, the opposite ends of each of one pair of said chains being secured to the periphery of a spaced pair of driven gear means, and the opposite ends of each of the other pair of chains being secured to the periphery of said spaced pair of driven gear means, and the opposite of each of the other pair of chains being secured to the periphery of said spaced pair of driven gear means at diametrically opposite sides thereof from said one pair of said chains, all of said chains being of identical length.
References Cited in the file of this patent UNITED STATES PATENTS 2,460,918 Bodine Feb. 8, 1949
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US610177A US2815609A (en) | 1956-09-17 | 1956-09-17 | Deburring and polishing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US610177A US2815609A (en) | 1956-09-17 | 1956-09-17 | Deburring and polishing machine |
Publications (1)
Publication Number | Publication Date |
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US2815609A true US2815609A (en) | 1957-12-10 |
Family
ID=24443998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US610177A Expired - Lifetime US2815609A (en) | 1956-09-17 | 1956-09-17 | Deburring and polishing machine |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1290447B (en) * | 1965-05-03 | 1969-03-06 | Mechanical Handling Plant And | Plunge grinding device for grinding rod-shaped workpieces |
FR2214556A1 (en) * | 1973-01-19 | 1974-08-19 | Tipton Mfg Co | |
US3885354A (en) * | 1972-08-18 | 1975-05-27 | Tipton Mfg Co | Automatic recipro finishing machine |
US4164096A (en) * | 1976-07-22 | 1979-08-14 | Kabushiki Kaisha Shikishima Tipton | Recipro-finishing methods and machines |
FR2519573A1 (en) * | 1982-01-12 | 1983-07-18 | Bertin & Cie | DEVICE FOR SANDING AND / OR GINNING WOOD PIECES |
US20140220869A1 (en) * | 2013-02-01 | 2014-08-07 | Southern Taiwan University Of Science And Technology | Subtle vortex polishing apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2460918A (en) * | 1942-12-12 | 1949-02-08 | Jr Albert G Bodine | Method-of and apparatus for cutting and the like |
-
1956
- 1956-09-17 US US610177A patent/US2815609A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2460918A (en) * | 1942-12-12 | 1949-02-08 | Jr Albert G Bodine | Method-of and apparatus for cutting and the like |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1290447B (en) * | 1965-05-03 | 1969-03-06 | Mechanical Handling Plant And | Plunge grinding device for grinding rod-shaped workpieces |
US3885354A (en) * | 1972-08-18 | 1975-05-27 | Tipton Mfg Co | Automatic recipro finishing machine |
FR2214556A1 (en) * | 1973-01-19 | 1974-08-19 | Tipton Mfg Co | |
US3898767A (en) * | 1973-01-19 | 1975-08-12 | Tipton Mfg Co | Automatic recipro-finishing machine |
US4164096A (en) * | 1976-07-22 | 1979-08-14 | Kabushiki Kaisha Shikishima Tipton | Recipro-finishing methods and machines |
FR2519573A1 (en) * | 1982-01-12 | 1983-07-18 | Bertin & Cie | DEVICE FOR SANDING AND / OR GINNING WOOD PIECES |
WO1983002417A1 (en) * | 1982-01-12 | 1983-07-21 | CIAUDO, Claude, José, Louis | Device for sandpapering and/or shelling wooden parts |
EP0084483A2 (en) * | 1982-01-12 | 1983-07-27 | Bertin & Cie | Device for grinding and/or shelling wooden work pieces |
EP0084483A3 (en) * | 1982-01-12 | 1983-08-10 | Bertin & Cie | Device for grinding and/or shelling wooden work pieces |
US20140220869A1 (en) * | 2013-02-01 | 2014-08-07 | Southern Taiwan University Of Science And Technology | Subtle vortex polishing apparatus |
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