US2751664A - Method of making ball carriers - Google Patents
Method of making ball carriers Download PDFInfo
- Publication number
- US2751664A US2751664A US317559A US31755952A US2751664A US 2751664 A US2751664 A US 2751664A US 317559 A US317559 A US 317559A US 31755952 A US31755952 A US 31755952A US 2751664 A US2751664 A US 2751664A
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- Prior art keywords
- strip
- ball
- aperture
- edges
- bending
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
- B21D53/12—Making other particular articles parts of bearings; sleeves; valve seats or the like cages for bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/42—Ball cages made from wire or sheet metal strips
- F16C33/422—Ball cages made from wire or sheet metal strips made from sheet metal
- F16C33/425—Ball cages made from wire or sheet metal strips made from sheet metal from a single part, e.g. ribbon cages with one corrugated annular part
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
- Y10T29/49679—Anti-friction bearing or component thereof
- Y10T29/49686—Assembling of cage and rolling anti-friction members
- Y10T29/49687—Assembling of cage and rolling anti-friction members with cage making
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/4984—Retaining clearance for motion between assembled parts
- Y10T29/49845—Retaining clearance for motion between assembled parts by deforming interlock
- Y10T29/49853—Retaining clearance for motion between assembled parts by deforming interlock of sphere, i.e., ball, in socket
-
- 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
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
- Y10T74/20444—Flexible transmitter [e.g., Bowden cable] including rolling antifriction elements
Definitions
- This invention relates to a method of making ball carriers for antifriction bearings, and is particularly concerned with the progressive shaping of a metal strip and assembly of a plurality of ball bearings with the metal strip prior to the final forming operation.
- the present method is particularly designed to make ball carriers for the antifriction bearing described in my copending application filed concurrently herewith.
- a strip of metal is run through a series of dies to bend it from a fiat strip into tubular form with infolded edges, and, concurrently with the forming operations, a series of apertures, is blanked out of the strip and a ball is inserted within the tubular member adjacent each aperture prior to the final forming operation which is effective to retain the ball bearings in rotatable relationship to the tubular member.
- the method of making ball carriers is applicable to metal strips of predetermined length or to a continuous strip.
- the present method is advantageous in that it reduces the expense of making ball carriers by speeding up the manufacture and reducing spoilage.
- the balls are held in position within the carrier more securely than in similar devices previously known.
- Fig. 1 is a fragmentary perspective view of a ball carrier made in accordance with the invention.
- Fig. 2 is a fragmentary top plan view showing a strip of metal in various stages of the process
- Fig. 3 is a fragmentary side elevational view, similar to Fig. 2, showing some of the apparatus diagrammatically;
- Fig. 4 is a cross sectional view taken along the line 4-4 of Fig. 3;
- Fig. 5 is a cross sectional view along line 5-5 of Fig. 3;
- Fig. 6 is a cross sectional view along line 6-6 of Fig. 3;
- Fig. 7 is an enlarged fragmentary top plan view of a a portion of the metal strip after the punching operation
- Fig. 8 is an enlarged fragmentary top plan view of the strip after the projections adjacent the aperture have been bent into ball retaining position;
- Fig. 9 is an enlarged side elevational view of a portion of the strip, showing the shape of the strip at the time of the ball inserting step;
- Fig. 10 is a cross sectional view taken along the line 10-10 of Fig. 7;
- Fig. 11 is a cross sectional view taken along the line 11-11 of Fig. 8.
- a flat strip 2 of metal being fed intermittently towards the right, as viewed in Figs. 2 and 3, is bent upwardly, as indicated at 3, along its longitudinal edges.
- the edges 3 are then bent inwardly into juxtaposition with the upper face of the metal strip, to form doubled edge. portions as indicated at 4.
- the edges 4 are comparatively narrow so that a substantial portion 5 of the metal strip 2, disposed centrally of the edges 4 is of single thickness.
- the bending operations are performed by rollers or any other suitable forming tools while the strip is moving.
- Another punch 11 is spaced from the punch 6 laterally a distance equal to the distance the strip 2 is fed between the timed pauses.
- the punch 11 is activated simultaneously with punch 6 and operates to bend the projections 10 downwardly at a slight angle, as indicated at 12, during the same pause in which the punch 6 is blanking out the next successive aperture 7. It is obvious that the punches 6 and 11 need not be positioned to opcrate on adjacent apertures, but may be spaced two or three times the distance between apertures so long as the distance between the punches is a multiple of the dist'anee between adjacent apertures.
- a ball dispenser 14 is spaced laterally from punch 11 a distance equal to the distance the strip moves between pauses, and at each pause the dispenser drops a ball 15 into the aperture which is positioned below the dispenser during the pause.
- the dispenser 14 may be controlled automatically by mechanical or electronic means, or may be operated manually.
- the diameter of the ball is slightly greater than the width of the aperture 7 so that it is retained therein as the metal strip moves to the right, and the bending along the longitudinal center line is continued until the edges 4 are juxtaposed in face to face relationship and the strip has been formed into a tubular member with a ball 15 positioned adjacent each aperture 7. If a continuous strip of metal is used in the process, any suitable cut-01f tool may be used to cut the ball carriers into desired lengths.
- the ball 15 is slightly greater in diameter than the distance between the inner ends of the edges 4 and the upper edge 16 of the completed carrier, as shown in Fig. l.
- the ball is also larger than the distance between the side walls 17 of the carrier and, accordingly, projects laterally and vertically from the carrier.
- the projections 10 are shaped to conform to the curvature of the ball and hold the ball securely within the carrier while permitting it to rotate freely therein.
- the projecting surface of the ball 15 provides a rolling contact with any surface with which it comes in contact.
- a method of making ball carriers comprising the steps of bending the longitudinal edges of a metal strip upwardly and inwardly into juxtaposition with the body portion of said strip to form doubled edge portions, blanking an aperture in the center portion of said strip, bending said apertured strip progressively along its longitudinal center line, positioning a ball bearing larger than the width of said aperture on said strip with a'portion of its peripheral surface projecting through said aperture, and continuing bending of said strip around said ball bearing to form a tubular member with said doubled edge portions juxtaposed, and said ball bearing rotatably-retained in said tubular member, with a portion of its peripheral surface projecting through said aperture, by said doubled edge portions and the edges of said tubular member contiguous to said aperture.
- a method of making ball carriers comprising the steps of bending the longitudinal edges of a metal strip upwardly and inwardly into juxtaposition with the body portion of said strip to form doubled edge portions, blanking an aperture in the center portion of said strip, the configuration of said aperture providing a plurality of projections extending from the edges of said aperture towards the opposite edge thereof, bending said projections downwardly at a predetermined angle, positioning a ball bearing on said partially bent strip with a portion of its peripheral surface projecting through said aperture, and then bending said strip upwardly around said ball bearing to bring said doubled edge portions in juxtaposition and to retain said ball bearing in position with a portion of its peripheral surface projecting through said aperture.
- the method of making a ball carrier which comprises feeding a metal strip intermittently past a plurality of 'work stations and simultaneously bending different portions of said metal strip, one of said bending operations being effective to double the longitudinal edges of said strip inwardly and the other being efiective to bring said doubled edges into juxtaposition to form said metal strip into a tubular member, blanking an aperture in the center portion of said strip and simultaneously forming projections extending laterally from the edge of said strip adjacent said aperture, bending said projections downwardly at a slight angle, said blanking and last mentioned bending operation being done intermediately of said first and second mentioned bending operations, and positioning a ball bean'ng'in said partially formed tubular member with a portion of its peripheral surface projecting through said aperture prior to the completion of said second mentioned bending operation.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
June 26, 1956 ARNlT 2,751,664
METHOD OF MAKING BALL CARRIERS Filed Oct. 29, 1952 United States Patent Cfiice 2,751,664 Patented June 26, 1956 METHOD OF MAKING BALL CARRIERS Fred H. Arnit, Mount Prospect, 111., assignor to Garden City Plating & Manufacturing Co., a corporation of Illinois Application October 29, 1952, Serial No. 317,559
3 Claims. (Cl. 29-148.4)
This invention relates to a method of making ball carriers for antifriction bearings, and is particularly concerned with the progressive shaping of a metal strip and assembly of a plurality of ball bearings with the metal strip prior to the final forming operation.
.The present method is particularly designed to make ball carriers for the antifriction bearing described in my copending application filed concurrently herewith.
In accordance with the present invention a strip of metal is run through a series of dies to bend it from a fiat strip into tubular form with infolded edges, and, concurrently with the forming operations, a series of apertures, is blanked out of the strip and a ball is inserted within the tubular member adjacent each aperture prior to the final forming operation which is effective to retain the ball bearings in rotatable relationship to the tubular member.
The method of making ball carriers is applicable to metal strips of predetermined length or to a continuous strip. The present method is advantageous in that it reduces the expense of making ball carriers by speeding up the manufacture and reducing spoilage. In addition, the balls are held in position within the carrier more securely than in similar devices previously known. The steps comprising the method by which the above and other advantages are attained will be described in the following specification, taken in conjunction with the accompanying drawing, showing a preferred illustrative embodiment of the method constituting the invention, in which:
Fig. 1 is a fragmentary perspective view of a ball carrier made in accordance with the invention;
Fig. 2 is a fragmentary top plan view showing a strip of metal in various stages of the process;
Fig. 3 is a fragmentary side elevational view, similar to Fig. 2, showing some of the apparatus diagrammatically;
Fig. 4 is a cross sectional view taken along the line 4-4 of Fig. 3;
Fig. 5 is a cross sectional view along line 5-5 of Fig. 3;
Fig. 6 is a cross sectional view along line 6-6 of Fig. 3;
Fig. 7 is an enlarged fragmentary top plan view of a a portion of the metal strip after the punching operation;
Fig. 8 is an enlarged fragmentary top plan view of the strip after the projections adjacent the aperture have been bent into ball retaining position;
Fig. 9 is an enlarged side elevational view of a portion of the strip, showing the shape of the strip at the time of the ball inserting step;
Fig. 10 is a cross sectional view taken along the line 10-10 of Fig. 7; and
Fig. 11 is a cross sectional view taken along the line 11-11 of Fig. 8.
Referring to the drawing, a flat strip 2 of metal being fed intermittently towards the right, as viewed in Figs. 2 and 3, is bent upwardly, as indicated at 3, along its longitudinal edges. The edges 3 are then bent inwardly into juxtaposition with the upper face of the metal strip, to form doubled edge. portions as indicated at 4. The edges 4 are comparatively narrow so that a substantial portion 5 of the metal strip 2, disposed centrally of the edges 4 is of single thickness. The bending operations are performed by rollers or any other suitable forming tools while the strip is moving.
At timed intervals the feeding motion of the strip is halted for a short pause, and a punch 6 moves downwardly during the pause. to blank out an aperture 7 in the central portion 5 of the strip. The opposite ends of aperture 7 are semicircular, as indicated at 8, and are connected by undulating lines 9 which provide projections 10 extending inwardly towards the longer axis of the aperture 7.
Another punch 11, is spaced from the punch 6 laterally a distance equal to the distance the strip 2 is fed between the timed pauses. The punch 11 is activated simultaneously with punch 6 and operates to bend the projections 10 downwardly at a slight angle, as indicated at 12, during the same pause in which the punch 6 is blanking out the next successive aperture 7. It is obvious that the punches 6 and 11 need not be positioned to opcrate on adjacent apertures, but may be spaced two or three times the distance between apertures so long as the distance between the punches is a multiple of the dist'anee between adjacent apertures.
After the strip passes the work station at which the punch 11 is located, it is bent upwardly along its longitudinal center line, as indicated at 13, to form a troughlike structure with the edges 4 facing each other. A ball dispenser 14 is spaced laterally from punch 11 a distance equal to the distance the strip moves between pauses, and at each pause the dispenser drops a ball 15 into the aperture which is positioned below the dispenser during the pause. The dispenser 14 may be controlled automatically by mechanical or electronic means, or may be operated manually. The diameter of the ball is slightly greater than the width of the aperture 7 so that it is retained therein as the metal strip moves to the right, and the bending along the longitudinal center line is continued until the edges 4 are juxtaposed in face to face relationship and the strip has been formed into a tubular member with a ball 15 positioned adjacent each aperture 7. If a continuous strip of metal is used in the process, any suitable cut-01f tool may be used to cut the ball carriers into desired lengths.
The ball 15 is slightly greater in diameter than the distance between the inner ends of the edges 4 and the upper edge 16 of the completed carrier, as shown in Fig. l. The ball is also larger than the distance between the side walls 17 of the carrier and, accordingly, projects laterally and vertically from the carrier. The projections 10 are shaped to conform to the curvature of the ball and hold the ball securely within the carrier while permitting it to rotate freely therein. Thus it will be seen that the projecting surface of the ball 15 provides a rolling contact with any surface with which it comes in contact.
Although I have described a preferred method constituting my invention in considerable detail, it will be understood that the method described is intended as an example, as many details may be modified or changed without departing from the spirit or scope of the invention. For example, the apertures may be blanked out before the edges are bent inwardly, or the projections may be bent downwardly in the blanking operation. Accordingly, I do not desire to be restricted to the details or exact sequence of steps described.
I claim:
I. A method of making ball carriers comprising the steps of bending the longitudinal edges of a metal strip upwardly and inwardly into juxtaposition with the body portion of said strip to form doubled edge portions, blanking an aperture in the center portion of said strip, bending said apertured strip progressively along its longitudinal center line, positioning a ball bearing larger than the width of said aperture on said strip with a'portion of its peripheral surface projecting through said aperture, and continuing bending of said strip around said ball bearing to form a tubular member with said doubled edge portions juxtaposed, and said ball bearing rotatably-retained in said tubular member, with a portion of its peripheral surface projecting through said aperture, by said doubled edge portions and the edges of said tubular member contiguous to said aperture.
2. A method of making ball carriers comprising the steps of bending the longitudinal edges of a metal strip upwardly and inwardly into juxtaposition with the body portion of said strip to form doubled edge portions, blanking an aperture in the center portion of said strip, the configuration of said aperture providing a plurality of projections extending from the edges of said aperture towards the opposite edge thereof, bending said projections downwardly at a predetermined angle, positioning a ball bearing on said partially bent strip with a portion of its peripheral surface projecting through said aperture, and then bending said strip upwardly around said ball bearing to bring said doubled edge portions in juxtaposition and to retain said ball bearing in position with a portion of its peripheral surface projecting through said aperture.
3. The method of making a ball carrier which comprises feeding a metal strip intermittently past a plurality of 'work stations and simultaneously bending different portions of said metal strip, one of said bending operations being effective to double the longitudinal edges of said strip inwardly and the other being efiective to bring said doubled edges into juxtaposition to form said metal strip into a tubular member, blanking an aperture in the center portion of said strip and simultaneously forming projections extending laterally from the edge of said strip adjacent said aperture, bending said projections downwardly at a slight angle, said blanking and last mentioned bending operation being done intermediately of said first and second mentioned bending operations, and positioning a ball bean'ng'in said partially formed tubular member with a portion of its peripheral surface projecting through said aperture prior to the completion of said second mentioned bending operation.
References Cited in the file of this patent UNITED STATES PATENTS Quarnstrom Nov. 25, 1952
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US317559A US2751664A (en) | 1952-10-29 | 1952-10-29 | Method of making ball carriers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US317559A US2751664A (en) | 1952-10-29 | 1952-10-29 | Method of making ball carriers |
Publications (1)
Publication Number | Publication Date |
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US2751664A true US2751664A (en) | 1956-06-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US317559A Expired - Lifetime US2751664A (en) | 1952-10-29 | 1952-10-29 | Method of making ball carriers |
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US (1) | US2751664A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023487A (en) * | 1959-12-09 | 1962-03-06 | Grand Union Company | Method for producing roller assemblies |
US3239282A (en) * | 1962-06-20 | 1966-03-08 | Die Supply Corp | Ball bearing retainer |
US3344682A (en) * | 1964-04-16 | 1967-10-03 | American Chain & Cable Co | Roller bearing push-pull cable |
US3600782A (en) * | 1969-10-20 | 1971-08-24 | Corax Corp | Method and apparatus for making guide bracket and ball-bearing carrier units for drawers and the like |
US4062251A (en) * | 1976-03-26 | 1977-12-13 | Teleflex Incorporated | Motion transmitting remote control assembly |
US4106168A (en) * | 1976-03-26 | 1978-08-15 | Teleflex Incorporated | Method and apparatus for assembling a ball cage of the type utilized in a motion transmitting remote control assembly |
US5003683A (en) * | 1989-12-11 | 1991-04-02 | Chrysler Corporation | Forming bores in bendable layered materials |
DE19950612A1 (en) * | 1999-10-21 | 2001-04-26 | Schaeffler Waelzlager Ohg | Cage for linear low friction bearing for use in automatic drive systems for cars consists of profiled bar with seatings for ball bearings along prepared by folding strip of sheet metal with holes so that pairs of holes form seatings |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US894711A (en) * | 1908-01-06 | 1908-07-28 | Bromwell Brush And Wire Goods Company | Clamp-rib for ironwork. |
US1320096A (en) * | 1919-10-28 | rouanet | ||
US1387881A (en) * | 1917-09-28 | 1921-08-16 | Bock Bearing Company | Machine for accurately alining and closing roll-holding cages for roller-bearings |
US1699571A (en) * | 1924-07-03 | 1929-01-22 | Cie Applic Mecaniques | Process of manufacturing bearing cages |
US1796114A (en) * | 1927-10-18 | 1931-03-10 | Budd Edward G Mfg Co | Door and method of constructing same |
US1894595A (en) * | 1929-08-05 | 1933-01-17 | F L Mclaughlin Corp | Roller bearing cage and method of forming the same |
USRE19508E (en) * | 1935-03-26 | Roller bearing construction | ||
US2158656A (en) * | 1935-12-23 | 1939-05-16 | William H Frank | Method for making bus ducts |
US2373530A (en) * | 1942-09-19 | 1945-04-10 | Western Electric Co | Tube forming die |
US2515487A (en) * | 1946-07-11 | 1950-07-18 | Western Electric Co | Article assembling apparatus |
US2618845A (en) * | 1946-04-15 | 1952-11-25 | Bert L Quarnstrom | Method of making tubes |
-
1952
- 1952-10-29 US US317559A patent/US2751664A/en not_active Expired - Lifetime
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1320096A (en) * | 1919-10-28 | rouanet | ||
USRE19508E (en) * | 1935-03-26 | Roller bearing construction | ||
US894711A (en) * | 1908-01-06 | 1908-07-28 | Bromwell Brush And Wire Goods Company | Clamp-rib for ironwork. |
US1387881A (en) * | 1917-09-28 | 1921-08-16 | Bock Bearing Company | Machine for accurately alining and closing roll-holding cages for roller-bearings |
US1699571A (en) * | 1924-07-03 | 1929-01-22 | Cie Applic Mecaniques | Process of manufacturing bearing cages |
US1796114A (en) * | 1927-10-18 | 1931-03-10 | Budd Edward G Mfg Co | Door and method of constructing same |
US1894595A (en) * | 1929-08-05 | 1933-01-17 | F L Mclaughlin Corp | Roller bearing cage and method of forming the same |
US2158656A (en) * | 1935-12-23 | 1939-05-16 | William H Frank | Method for making bus ducts |
US2373530A (en) * | 1942-09-19 | 1945-04-10 | Western Electric Co | Tube forming die |
US2618845A (en) * | 1946-04-15 | 1952-11-25 | Bert L Quarnstrom | Method of making tubes |
US2515487A (en) * | 1946-07-11 | 1950-07-18 | Western Electric Co | Article assembling apparatus |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023487A (en) * | 1959-12-09 | 1962-03-06 | Grand Union Company | Method for producing roller assemblies |
US3239282A (en) * | 1962-06-20 | 1966-03-08 | Die Supply Corp | Ball bearing retainer |
US3344682A (en) * | 1964-04-16 | 1967-10-03 | American Chain & Cable Co | Roller bearing push-pull cable |
US3600782A (en) * | 1969-10-20 | 1971-08-24 | Corax Corp | Method and apparatus for making guide bracket and ball-bearing carrier units for drawers and the like |
US4062251A (en) * | 1976-03-26 | 1977-12-13 | Teleflex Incorporated | Motion transmitting remote control assembly |
US4106168A (en) * | 1976-03-26 | 1978-08-15 | Teleflex Incorporated | Method and apparatus for assembling a ball cage of the type utilized in a motion transmitting remote control assembly |
US5003683A (en) * | 1989-12-11 | 1991-04-02 | Chrysler Corporation | Forming bores in bendable layered materials |
DE19950612A1 (en) * | 1999-10-21 | 2001-04-26 | Schaeffler Waelzlager Ohg | Cage for linear low friction bearing for use in automatic drive systems for cars consists of profiled bar with seatings for ball bearings along prepared by folding strip of sheet metal with holes so that pairs of holes form seatings |
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