US2133091A - Axle and method of forming same - Google Patents
Axle and method of forming same Download PDFInfo
- Publication number
- US2133091A US2133091A US104428A US10442836A US2133091A US 2133091 A US2133091 A US 2133091A US 104428 A US104428 A US 104428A US 10442836 A US10442836 A US 10442836A US 2133091 A US2133091 A US 2133091A
- Authority
- US
- United States
- Prior art keywords
- axle
- blank
- mandrel
- frusto
- reduced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title description 10
- 239000007787 solid Substances 0.000 description 7
- 238000005336 cracking Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 241000270313 Crocodylus porosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/10—Making machine elements axles or shafts of cylindrical form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/12—Shaping end portions of hollow articles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
- Y10T74/2188—Axle and torque tubes
Definitions
- This invention relates to axles, and more particularly is directed to the construction of axles for use in trailers and the like where no driving means is provided but the wheel is journaled for rotation directly on the axle.
- the present invention proposes to form the axle from a piece of tubing such as a seamless tube or a tube formed by rolling up and welding a flat sheet of stock, and contemplates especially the 1 formation of the axle ends in such manner as to prevent defects such as cracking, fractures or the like which have been one of the main disadvantages of axles previously produced.
- One object of the present invention is to provide for reduction of the ends of the tubular axle member in such manner as to prevent any folds, cracking or faulting of the end section of the axle so that a section of uniform strength and rigidity is produced.
- Another object of the present invention is to provide for inserting a mandrel or centering member within the end of the axle tube after initial reduction and prior to its being swaged to complete form whereby the internal surface of the axle end embraces this mandrel-like member upon completion of the swaging operation.
- Figure 1 is a sectional view through the axle blank prior to the formation of the axle
- Figure 2 shows the first step in the forming operation, being partly in section
- Figure 3 is a corresponding view illustrating the axle after the second operation on the blank
- Figure 4 is a corresponding view showing the finished axle
- Figure 5 is an end section view showing the defects occurring in prior methods of forming this type of an axle.
- the blank 5 of Figure 1 may be a seamless tube, or may be a piece of flat stock rolled into tubular form and then longitudinally welded along the abutting edges.
- the blank 5 preferably has an 1936, Serial No. 104,428
- initial wall thickness as indicated by the wall 8, and is of a length slightly less than the desired length of the finished axle.
- the first step in forming the axle of the present invention is to reduce the end sections theremade.
- a rod or mandrel-like member 8 is inserted into each end of the axle, and is held in centered position therein in any suitable manner.
- the rod 8 may be of steel, iron, or any equivalent material, but preferably should be of relatively cheap material inasmuch as it serves no purpose so far as load support or wear is concerned.
- each end of the axle is subjected to further reduction while the rod 8 remains in place.
- the thickened reinforced end 8 of the axle encloses and completely embraces the rod 8, holding the same in fixed position and also thereby preventing any folding, lapping or cracking of the axle or shaft.
- the swaging operations for reducing the diameter of the axle ends may be accomplished by endwise swaging which, in turn, will produce slight elongation of the axle so that the finished axle will be of the required length, it being re membered that the blank is slightly shorter than the axle length required to accommodate this elongation.
- the reduced end portion 8 of the axle which encloses and embraces the rod 8 is joined by the frusto-conical portion II! to the rear portion 1 of the initially reduced cylindrical end of the axle.
- the swaging operation also produces a considerable thickening of the walls of the axle at the same time that elongation is produced, thus providing a thickened reinforced end for the axle which is then subsequently machined on the surfaces 1 the wheel hub.
- An axle comprising a tubular blank having reduced thickened end portions rigidly embracing solid mandrel-like members closing the interior of said axle and having external bearing seat portions of different diameters spaced axially by a frusto-conical section at each of the reduced ends thereof, said members preventing fracturing of the internal portions of said ends.
- the method of forming the axle end which comprises initially reducing the end of said blank to form a thickened portion joined to the remainder of the blank by a frusto-conical section, inserting a solid cylindrical mandrel of smaller diameter than the internal diameter of said reduced end into said end with the inner end of said mandrel adjacent said frusto-conicalsection, and reswaging a substantial portion of, said reduced end to engage about and lock said mandrel therein, and to produce a second frusto-conical section intermediate said reswaged portion and the remaining length of said initially swaged portion.
- the method of producing a solid end free from fissures and cracks and capable of rotatably supporting a wheel thereon which comprises initially swaging the end of said blank to reduce its-diameter and increase its wall thickness, inserting a solid mandrel into said end, and reswaging a major portion of said end to flow the interior surface thereof into gripping engagement with said mandrel, and to form annular bearing seat portions of different diameters separated by a frusto-conical section, said mandrel preventing collapse'of the internal surface of said end during-said reswaging whereby folding or cracking of said surface is prevented.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
Oct. 11, 1938. J. H. GETTIG 2,133,091
AXLE AND METHOD OF FORMING SAME Filed Oct. '7, 1936 IIIIIIIIIII 'IIIIII/ fa 2 E Patented Oct. 11, 1938 AXLE AND METHOD OF FORMING SAltIE Joseph H. Gettig, Buchanan, Mich., assignor to lark Equipment Company, Buchanan, Mich., a corporation of Michigan Application October '7,
4 Claims.
This invention relates to axles, and more particularly is directed to the construction of axles for use in trailers and the like where no driving means is provided but the wheel is journaled for rotation directly on the axle.
It has heretofore been the practice to-construct such axles from solid structural members, or from hollow members having theends coined or suitably forged to produce the bearing seats for the hub of the wheel.
The present invention proposes to form the axle from a piece of tubing such as a seamless tube or a tube formed by rolling up and welding a flat sheet of stock, and contemplates especially the 1 formation of the axle ends in such manner as to prevent defects such as cracking, fractures or the like which have been one of the main disadvantages of axles previously produced.
One object of the present invention is to provide for reduction of the ends of the tubular axle member in such manner as to prevent any folds, cracking or faulting of the end section of the axle so that a section of uniform strength and rigidity is produced.
Another object of the present invention is to provide for inserting a mandrel or centering member within the end of the axle tube after initial reduction and prior to its being swaged to complete form whereby the internal surface of the axle end embraces this mandrel-like member upon completion of the swaging operation.
Other objects and advantages of the present invention will appear more fully from the following detailed description which, taken in con- 35 junction with the accompanying drawing, will disclose to those skilled in the art the particular method of forming the axle constituting the present invention.
In the drawing:
Figure 1 is a sectional view through the axle blank prior to the formation of the axle;
Figure 2 shows the first step in the forming operation, being partly in section;
Figure 3 is a corresponding view illustrating the axle after the second operation on the blank;
Figure 4 is a corresponding view showing the finished axle; and
Figure 5 is an end section view showing the defects occurring in prior methods of forming this type of an axle.
Referring now in detail to the drawing, the blank 5 of Figure 1 may be a seamless tube, or may be a piece of flat stock rolled into tubular form and then longitudinally welded along the abutting edges. The blank 5 preferably has an 1936, Serial No. 104,428
initial wall thickness as indicated by the wall 8, and is of a length slightly less than the desired length of the finished axle.
The first step in forming the axle of the present invention is to reduce the end sections theremade.
Simultaneously with this reduction the end portion of the axle is increased in wall thickness and elongated.
- After the reduction is effected at opposite ends of the housing, and before the ends are completely closed, a rod or mandrel-like member 8 is inserted into each end of the axle, and is held in centered position therein in any suitable manner.
The rod 8 may be of steel, iron, or any equivalent material, but preferably should be of relatively cheap material inasmuch as it serves no purpose so far as load support or wear is concerned.
After the rod has been placed in position, each end of the axle is subjected to further reduction while the rod 8 remains in place.
As the swaging is completed, the thickened reinforced end 8 of the axle encloses and completely embraces the rod 8, holding the same in fixed position and also thereby preventing any folding, lapping or cracking of the axle or shaft.
Such defects are undesirable and may be of serious nature, especially if the axle is to be heat treated.
The swaging operations for reducing the diameter of the axle ends may be accomplished by endwise swaging which, in turn, will produce slight elongation of the axle so that the finished axle will be of the required length, it being re membered that the blank is slightly shorter than the axle length required to accommodate this elongation. As shown in Figure 4, the reduced end portion 8 of the axle which encloses and embraces the rod 8 is joined by the frusto-conical portion II! to the rear portion 1 of the initially reduced cylindrical end of the axle. The swaging operation also produces a considerable thickening of the walls of the axle at the same time that elongation is produced, thus providing a thickened reinforced end for the axle which is then subsequently machined on the surfaces 1 the wheel hub.
The provision of the rod 8 in the end of the axle prevents the formation of fissures, cracks or folding within the end of the axle as is indicated in Figure at l2, where such defects are formed due to the fact that the axle is reduced to produce a solid end and consequently, the internal surface of the end of the blank is folded and lapped during this reduction, producing the fissures which are especially undesirable if the axle is to be subsequently heat treated.
It will therefore be apparent that I have provided a novel process for forming what is known as a dead type of axle in which the wheels are mounted for free rotation at opposite ends of the axle on bearing seats formed by the reduction of these ends, with the consequent thickening of the walls thereof.
I do not intend to be limited to the exact details shown and described in connection with the illustrated embodiment of the present invention, as the particular process employed may equally well be employed for other types of shafting for uses other than as axles or the like. The invention is therefore to be limited only as defined by the scope and spirit of the appended claims.
I claim:
1. The method of forming an axle from a tubular blank which comprises initially reducing the opposite ends of the blank to form end portions of hollow cylindrical section and of increased wall thickness and having frusto-conical portions between said ends and the remainder of the blank, inserting solid mandrel-like members in the reduced ends of said blank, subsequently reswaging said frusto-conical section to form an intermediate cylindrical bearing seat spaced from said first reduced portion by a frusto-conical section with said first reduced portion being further reduced in such manner as to rigidly embrace and enclose said member to thereby close the end of the axle xially.
2. An axle comprising a tubular blank having reduced thickened end portions rigidly embracing solid mandrel-like members closing the interior of said axle and having external bearing seat portions of different diameters spaced axially by a frusto-conical section at each of the reduced ends thereof, said members preventing fracturing of the internal portions of said ends.
3. In the manufacture of a dead axle from a tubular blank, the method of forming the axle end which comprises initially reducing the end of said blank to form a thickened portion joined to the remainder of the blank by a frusto-conical section, inserting a solid cylindrical mandrel of smaller diameter than the internal diameter of said reduced end into said end with the inner end of said mandrel adjacent said frusto-conicalsection, and reswaging a substantial portion of, said reduced end to engage about and lock said mandrel therein, and to produce a second frusto-conical section intermediate said reswaged portion and the remaining length of said initially swaged portion. r
4. In the manufacture of axles from tubular blanks, the method of producing a solid end free from fissures and cracks and capable of rotatably supporting a wheel thereon which comprises initially swaging the end of said blank to reduce its-diameter and increase its wall thickness, inserting a solid mandrel into said end, and reswaging a major portion of said end to flow the interior surface thereof into gripping engagement with said mandrel, and to form annular bearing seat portions of different diameters separated by a frusto-conical section, said mandrel preventing collapse'of the internal surface of said end during-said reswaging whereby folding or cracking of said surface is prevented.
JOSEPH H. GETTIG.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US104428A US2133091A (en) | 1936-10-07 | 1936-10-07 | Axle and method of forming same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US104428A US2133091A (en) | 1936-10-07 | 1936-10-07 | Axle and method of forming same |
Publications (1)
Publication Number | Publication Date |
---|---|
US2133091A true US2133091A (en) | 1938-10-11 |
Family
ID=22300426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US104428A Expired - Lifetime US2133091A (en) | 1936-10-07 | 1936-10-07 | Axle and method of forming same |
Country Status (1)
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US (1) | US2133091A (en) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2440068A (en) * | 1945-04-07 | 1948-04-20 | Bendix Aviat Corp | Supporting beam for aircraft landing gears |
US2444942A (en) * | 1943-10-05 | 1948-07-13 | Babcock & Wilcox Co | Valve construction |
US2562098A (en) * | 1947-07-25 | 1951-07-24 | Dunbar Kapple Inc | Vehicle axle and reach structure |
US2584832A (en) * | 1945-04-07 | 1952-02-05 | Bendix Aviat Corp | Method of making a trunnion for aircraft landing gear |
US2611656A (en) * | 1946-04-26 | 1952-09-23 | Clark Equipment Co | Axle construction |
US3037818A (en) * | 1957-02-07 | 1962-06-05 | Rockwell Standard Co | Non-drive axle assembly |
US3087514A (en) * | 1960-10-26 | 1963-04-30 | Highsmith Clifford | Slab liner |
US3273916A (en) * | 1961-03-13 | 1966-09-20 | Lloyd E Tillery | Unitary flexible metallic connector |
US3453720A (en) * | 1966-05-05 | 1969-07-08 | Fruehauf Corp | Method of making axles |
US3465418A (en) * | 1965-09-03 | 1969-09-09 | Rockwell Standard Co | Method of making one-piece tubular vehicle axle |
DE1804673A1 (en) * | 1968-10-23 | 1970-06-11 | Benteler Werke Ag | Axle for motor vehicles or the like and process for their production |
US3643440A (en) * | 1968-02-28 | 1972-02-22 | Hoechst Ag | Device for reinforcing hydraulic structures |
FR2498095A1 (en) * | 1981-01-20 | 1982-07-23 | Vallourec | METHOD FOR MANUFACTURING HOLLOW AXLE PIPES IN ONE PIECE AND OBSTRUCTIVE AXLE PINS |
US4417462A (en) * | 1980-08-28 | 1983-11-29 | Rockwell International Corporation | Axle spindle and method for making the same |
JPS59109405A (en) * | 1982-12-15 | 1984-06-25 | Yamaha Motor Co Ltd | Shaft of vehicle running on waste land |
US4484756A (en) * | 1981-11-04 | 1984-11-27 | Bridgestone Cycle Co., Ltd. | Blank tube and main frame for two-wheeled vehicle |
US5983497A (en) * | 1997-12-22 | 1999-11-16 | Dana Corporation | Method for forming a vehicle driveshaft tube |
US6234911B1 (en) * | 1996-09-16 | 2001-05-22 | Spicer Driveshaft, Inc. | Driveshaft assembly having a noise reduction structure |
US6247346B1 (en) * | 1996-12-18 | 2001-06-19 | Alcoa Inc. | Method of forming a drive shaft |
WO2001065668A1 (en) * | 2000-02-28 | 2001-09-07 | Robert Bosch Gmbh | Method for producing a shaft and a device containing a shaft of this type |
US6299258B1 (en) | 1999-08-26 | 2001-10-09 | 21St Century Plastics Corporation | Composite axle for containers and the like |
US6319134B1 (en) * | 1996-11-01 | 2001-11-20 | American Axle & Manufacturing, Inc. | Aluminum drive shaft |
US6439672B1 (en) * | 2000-09-11 | 2002-08-27 | U.S. Manufacturing Corporation | Vehicle light weight dead axle and method for forming same |
EP1252946A2 (en) * | 2001-04-25 | 2002-10-30 | Muhr und Bender KG | Method for producing rotationally symmetric parts |
US20050110336A1 (en) * | 2003-11-25 | 2005-05-26 | Martin Blessing | Variable wall thickness trailer axles |
KR100742523B1 (en) * | 2000-02-28 | 2007-08-02 | 로베르트 보쉬 게엠베하 | Method for producing a shaft and a device containing a shaft of this type |
US9630451B2 (en) | 2014-06-18 | 2017-04-25 | American Axle & Manufacturing, Inc. | Method of manufacturing hollow axle shaft for a vehicle |
US9670951B2 (en) | 2014-04-08 | 2017-06-06 | A.A.M International S.A.R.L. | Variable-wall light-weight axle shaft with an integral flange member and method for making the same |
US20220143664A1 (en) * | 2019-03-20 | 2022-05-12 | Musashi Seimitsu Industry Co., Ltd. | Hollow shaft |
-
1936
- 1936-10-07 US US104428A patent/US2133091A/en not_active Expired - Lifetime
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444942A (en) * | 1943-10-05 | 1948-07-13 | Babcock & Wilcox Co | Valve construction |
US2584832A (en) * | 1945-04-07 | 1952-02-05 | Bendix Aviat Corp | Method of making a trunnion for aircraft landing gear |
US2440068A (en) * | 1945-04-07 | 1948-04-20 | Bendix Aviat Corp | Supporting beam for aircraft landing gears |
US2611656A (en) * | 1946-04-26 | 1952-09-23 | Clark Equipment Co | Axle construction |
US2562098A (en) * | 1947-07-25 | 1951-07-24 | Dunbar Kapple Inc | Vehicle axle and reach structure |
US3037818A (en) * | 1957-02-07 | 1962-06-05 | Rockwell Standard Co | Non-drive axle assembly |
US3087514A (en) * | 1960-10-26 | 1963-04-30 | Highsmith Clifford | Slab liner |
US3273916A (en) * | 1961-03-13 | 1966-09-20 | Lloyd E Tillery | Unitary flexible metallic connector |
US3465418A (en) * | 1965-09-03 | 1969-09-09 | Rockwell Standard Co | Method of making one-piece tubular vehicle axle |
US3453720A (en) * | 1966-05-05 | 1969-07-08 | Fruehauf Corp | Method of making axles |
US3643440A (en) * | 1968-02-28 | 1972-02-22 | Hoechst Ag | Device for reinforcing hydraulic structures |
DE1804673A1 (en) * | 1968-10-23 | 1970-06-11 | Benteler Werke Ag | Axle for motor vehicles or the like and process for their production |
US4417462A (en) * | 1980-08-28 | 1983-11-29 | Rockwell International Corporation | Axle spindle and method for making the same |
FR2498095A1 (en) * | 1981-01-20 | 1982-07-23 | Vallourec | METHOD FOR MANUFACTURING HOLLOW AXLE PIPES IN ONE PIECE AND OBSTRUCTIVE AXLE PINS |
EP0056776A1 (en) * | 1981-01-20 | 1982-07-28 | VALLOUREC Société Anonyme dite. | Method of manufacturing hollow one-piece axle blanks, and axle blanks obtained |
US4484756A (en) * | 1981-11-04 | 1984-11-27 | Bridgestone Cycle Co., Ltd. | Blank tube and main frame for two-wheeled vehicle |
JPS59109405A (en) * | 1982-12-15 | 1984-06-25 | Yamaha Motor Co Ltd | Shaft of vehicle running on waste land |
US6234911B1 (en) * | 1996-09-16 | 2001-05-22 | Spicer Driveshaft, Inc. | Driveshaft assembly having a noise reduction structure |
US6662423B2 (en) | 1996-11-01 | 2003-12-16 | American Axle & Manufacturing, Inc. | Method of producing a drive shaft |
US6319134B1 (en) * | 1996-11-01 | 2001-11-20 | American Axle & Manufacturing, Inc. | Aluminum drive shaft |
US6247346B1 (en) * | 1996-12-18 | 2001-06-19 | Alcoa Inc. | Method of forming a drive shaft |
US5983497A (en) * | 1997-12-22 | 1999-11-16 | Dana Corporation | Method for forming a vehicle driveshaft tube |
US6299258B1 (en) | 1999-08-26 | 2001-10-09 | 21St Century Plastics Corporation | Composite axle for containers and the like |
WO2001065668A1 (en) * | 2000-02-28 | 2001-09-07 | Robert Bosch Gmbh | Method for producing a shaft and a device containing a shaft of this type |
KR100742523B1 (en) * | 2000-02-28 | 2007-08-02 | 로베르트 보쉬 게엠베하 | Method for producing a shaft and a device containing a shaft of this type |
US6810576B2 (en) | 2000-02-28 | 2004-11-02 | Robert Bosch Gmbh | Method for producing a shaft and a device containing a shaft of this type |
US6439672B1 (en) * | 2000-09-11 | 2002-08-27 | U.S. Manufacturing Corporation | Vehicle light weight dead axle and method for forming same |
EP1252946A3 (en) * | 2001-04-25 | 2003-10-08 | Muhr und Bender KG | Method for producing rotationally symmetric parts |
US20020160844A1 (en) * | 2001-04-25 | 2002-10-31 | Muhr Und Bender | Process for producing rotationally symmetrical components |
EP1252946A2 (en) * | 2001-04-25 | 2002-10-30 | Muhr und Bender KG | Method for producing rotationally symmetric parts |
US7275407B2 (en) | 2001-04-25 | 2007-10-02 | Muhr Und Bender | Process for producing rotationally symmetrical components |
US20050110336A1 (en) * | 2003-11-25 | 2005-05-26 | Martin Blessing | Variable wall thickness trailer axles |
US7090309B2 (en) * | 2003-11-25 | 2006-08-15 | Dana Corporation | Variable wall thickness trailer axles |
US9670951B2 (en) | 2014-04-08 | 2017-06-06 | A.A.M International S.A.R.L. | Variable-wall light-weight axle shaft with an integral flange member and method for making the same |
US10543717B2 (en) | 2014-04-08 | 2020-01-28 | Aam International S.À R.L. | Variable-wall light-weight axle shaft with an integral flange member and method for making the same |
US9630451B2 (en) | 2014-06-18 | 2017-04-25 | American Axle & Manufacturing, Inc. | Method of manufacturing hollow axle shaft for a vehicle |
US20220143664A1 (en) * | 2019-03-20 | 2022-05-12 | Musashi Seimitsu Industry Co., Ltd. | Hollow shaft |
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