US785663A - Ball-retainer for ball-bearings. - Google Patents

Ball-retainer for ball-bearings. Download PDF

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Publication number
US785663A
US785663A US24439104A US1904244391A US785663A US 785663 A US785663 A US 785663A US 24439104 A US24439104 A US 24439104A US 1904244391 A US1904244391 A US 1904244391A US 785663 A US785663 A US 785663A
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ball
balls
retainer
separating
load
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US24439104A
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Charles H Chapman
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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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/37—Loose spacing bodies
    • F16C33/3713—Loose spacing bodies with other rolling elements serving as spacing bodies, e.g. the spacing bodies are in rolling contact with the load carrying rolling elements
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing balls
    • 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
    • F16C33/3893—Ball cages with rolling elements with smaller diameter than the load carrying balls, e.g. cages with counter-rotating spacers
    • 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
    • Y10T29/4968—Assembling of race, cage, and rolling anti-friction members

Definitions

  • the object of. this invention is to provide a holder for the ball used to separate adjacent load-carrying balls of a ball-bearing, which in addition to its function as a holder also assists in separating the said load-carrying balls and automatically assures the alinement of the separating-balls and load-carrying balls practically upon the dead-center line ofthe latter, thereby preventing crossfriction between the balls and insuring a positive revolution of the load-carrying balls. Since this holder has this double function, it is herein referred to as a retainer.
  • the invention consists of a retainer in which the separating-ball is secured so that both the retainer and the separating-ball have surface-contact with adjacent load-cap rying balls, each of the retainers and its separating-ball which enters into the formation of a ball-bearing being an independent unit and automatically adjusting itself to its two adjacent load-carrying balls and seeking a dead-center alinement with them.
  • Figure 1 is a front elevation
  • Fig. 2 is a vertical section, illustrating a ball-bearing in circular series
  • Fig. 3 is an elevation illustrating a ball-bearmg in oblong series and omitting the cone and raceway.
  • Fig. 4 shows the retainer in longitudinal section, balls in elevation and
  • Fig. 5 is a cross-section thereof.
  • Fig. 6 shows a spring-retainer in half-section and elevation; and
  • Fig. 7 is an end view thereof, balls omitted.
  • Fig. 8 shows a tubular retainer in longitudinal section, balls in elevation.
  • Fig. 9 is an end elevation of the form of retainer of Fig. 8.
  • 1 may represent a journal having a conical collar 2, surrounded by a bearing-cone 3, beyond and parallel with which is a concentric cup 4, surrounded by a housing 5. Between the cone 3 and the cup 4 the balls and their retainers are arranged.
  • separating-balls are arranged in the retainers 8, which, as shown in Figs. 1 to 5, may be composed of cylindrical portions having flared ends of an internal diameter substantially equal to the adjacent surfaces of the loadcarrying balls and adapted to impinge loosely against such load-carrying balls, the separating-balls 7 taking the direct contact with the peripheries of the load-carrying balls, so that there is entire freedom of motion between the load-carrying balls as they revolve and the said retainers.
  • the retainers 8 which, as shown in Figs. 1 to 5
  • the retainers 8 which, as shown in Figs. 1 to 5
  • the separating-balls 7 taking the direct contact with the peripheries of the load-carrying balls, so that there is entire freedom of motion between the load-carrying balls as they revolve and the said retainers.
  • the axes of the load-carrying balls and the separating-balls are coincident, or, in other words, there is a common dead-center line between these several adjacent balls.
  • the series of balls and retainers constituting the ball-bearing are arranged within the cone and cup and held in place therein by means of a washer 9, forced into the housing 5 up against the cup but of course any other raceway or other receptacle for the balls and their retainers may be used instead of the cone, cup, and washer, or, in other Words, any suitable arrangement may be provided for assembling and confining the several balls and their retainers either in use or while being handled.
  • a circular series of balls is used, while, as shown in Fig. 3, it is possible with this present invention to use a ball-bearing of oblong or other profile suitable to the part to which the bearing is to be applied.
  • the separatingball 7 may be loosely held in its retainer 8 by depressions 10 in the retainer on opposite sides of the ball.
  • the 9 retainer 11 is made as .a longitudinall -split spring-tube provided in its, cylindrical portion with a concavity 12, in which the ball finds a loose seat. In this construction the retainer will spring open and allow the sepa- IOO rating-ball to be forced into place therein.
  • the retainer 13 may be made as a cylindrical tube having the separating-ball 7 secured therein against accidental displacement by means of the indentations l4, and the opposite edges of this tube are countersunk or reamed out, as at 15, so as to conform to the adjacent surfaces of adjacent load-carrying balls.
  • each retainer works independently of the others in the same bearing and that the load-carrying balls project into the ends of the retainers.
  • the retainers are of a length to permit the load-carrying balls to press against the separating-balls without pressing tightly against the retainer, and hence when the balls are thus in contact they, with their retainers, are automatically brought onto a dead-center line with the load-carrying balls.
  • the retainers themselves may be made quite light, and hence there is little weight to be moved around in the bearing. Moreover, these retainers maybe very cheaply and readily made.
  • a ball-bearing comprising load-carrying balls, a separatingball, and an independent tubular retainer within which the sepa rating-ball is loosely confined, said separating-ball and its retainer interposed between two adjacent load-carrying balls, in superficial contact therewith,and on a dead-center line therewith.
  • separating-ball a retainer for said separatingball, provided with means for loosely confining the separating-ball therein, and also provided with flared ends, said separatingball and its retainer being arranged between and in contact with adjacent load-carrying balls.
  • a baILbearing comprising a series of load-carrying balls, a separating-ball interposed between each adjacent two load-carrying balls, and an independent tubular retainer for each of said separating-balls within which retainer the separating-ball is confined, said retainer supported by and between the loadcarrying balls and adapted to automatically maintain the separating-balls on a dead-center line between adjacent load-carrying balls.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Description

No. 785,663. PATENTED MAR. 21, 1905.
G. H. CHAPMAN.
BALL RETAINER FOR BALL BEARINGS.
APPLICATION FILED APR. 18.. 1904. RENEWED FEB. 6, 1905.
[NVENTOR w wad H/tomey NrTED STATES Patented March 21, 1905.
CHARLES H. CHAPMAN, OF WINCHESTER, MASSACHUSETTS.
BALL-RETAINER FOR BALL-BEARINGS.
SPECIFICATIONiformixig part of Letters Patent No. 785,663, dated March 21, 1905. Application filed April 18, 1904. Renewed February 6, 1905. Serial No. 244391- I? all whmn it may concern.-
Be it known that 1, CHARLES H. CHAPMAN, a citizen of the United States, residing at Winchester, in the county of Middlesex and State of Massachusetts, have invented a certain new and useful Improvement in Ball- Retainers for Ball-Bearings, of which the following is a full, clear, and exact description.
The object of. this invention is to provide a holder for the ball used to separate adjacent load-carrying balls of a ball-bearing, which in addition to its function as a holder also assists in separating the said load-carrying balls and automatically assures the alinement of the separating-balls and load-carrying balls practically upon the dead-center line ofthe latter, thereby preventing crossfriction between the balls and insuring a positive revolution of the load-carrying balls. Since this holder has this double function, it is herein referred to as a retainer.
The invention consists of a retainer in which the separating-ball is secured so that both the retainer and the separating-ball have surface-contact with adjacent load-cap rying balls, each of the retainers and its separating-ball which enters into the formation of a ball-bearing being an independent unit and automatically adjusting itself to its two adjacent load-carrying balls and seeking a dead-center alinement with them.
In the accompanying drawings, illustrating the invention, in the several figures of which like parts are similarly designated, Figure 1 is a front elevation, and Fig. 2 is a vertical section, illustrating a ball-bearing in circular series. Fig. 3 is an elevation illustrating a ball-bearmg in oblong series and omitting the cone and raceway. Fig. 4 shows the retainer in longitudinal section, balls in elevation and Fig. 5 is a cross-section thereof. Fig. 6 shows a spring-retainer in half-section and elevation; and Fig. 7 is an end view thereof, balls omitted. Fig. 8 shows a tubular retainer in longitudinal section, balls in elevation. Fig. 9 is an end elevation of the form of retainer of Fig. 8.
1 may represent a journal having a conical collar 2, surrounded by a bearing-cone 3, beyond and parallel with which is a concentric cup 4, surrounded by a housing 5. Between the cone 3 and the cup 4 the balls and their retainers are arranged.
6 represents the load-carrying balls, and 7 represents the separating-balls. These separating-balls are arranged in the retainers 8, which, as shown in Figs. 1 to 5, may be composed of cylindrical portions having flared ends of an internal diameter substantially equal to the adjacent surfaces of the loadcarrying balls and adapted to impinge loosely against such load-carrying balls, the separating-balls 7 taking the direct contact with the peripheries of the load-carrying balls, so that there is entire freedom of motion between the load-carrying balls as they revolve and the said retainers. As indicated by the line 00 as, Fig. 1, the axes of the load-carrying balls and the separating-balls are coincident, or, in other words, there is a common dead-center line between these several adjacent balls. The series of balls and retainers constituting the ball-bearing are arranged within the cone and cup and held in place therein by means of a washer 9, forced into the housing 5 up against the cup but of course any other raceway or other receptacle for the balls and their retainers may be used instead of the cone, cup, and washer, or, in other Words, any suitable arrangement may be provided for assembling and confining the several balls and their retainers either in use or while being handled.
As shown in Figs. 1 and 2, a circular series of balls is used, while, as shown in Fig. 3, it is possible with this present invention to use a ball-bearing of oblong or other profile suitable to the part to which the bearing is to be applied.
As shown in section, Fig. 4, the separatingball 7 may be loosely held in its retainer 8 by depressions 10 in the retainer on opposite sides of the ball. As an alternative means for holding the separating-ball in its retainer reference is made to Figs. 6 and 7, Where the 9 retainer 11 is made as .a longitudinall -split spring-tube provided in its, cylindrical portion with a concavity 12, in which the ball finds a loose seat. In this construction the retainer will spring open and allow the sepa- IOO rating-ball to be forced into place therein. Again, as shown in Figs. 8 and 9, the retainer 13 may be made as a cylindrical tube having the separating-ball 7 secured therein against accidental displacement by means of the indentations l4, and the opposite edges of this tube are countersunk or reamed out, as at 15, so as to conform to the adjacent surfaces of adjacent load-carrying balls.
In these several constructions of ball-bearings it will be seen that each retainer works independently of the others in the same bearing and that the load-carrying balls project into the ends of the retainers. The retainers are of a length to permit the load-carrying balls to press against the separating-balls without pressing tightly against the retainer, and hence when the balls are thus in contact they, with their retainers, are automatically brought onto a dead-center line with the load-carrying balls.
The retainers themselves may be made quite light, and hence there is little weight to be moved around in the bearing. Moreover, these retainers maybe very cheaply and readily made.
What I claim is 1. A ball-bearing, comprising load-carrying balls, a separatingball, and an independent tubular retainer within which the sepa rating-ball is loosely confined, said separating-ball and its retainer interposed between two adjacent load-carrying balls, in superficial contact therewith,and on a dead-center line therewith.
2. A ball-bearing, com rising loadcarry ing balls, a separating-bal and an independent retainer for said separating-ball of a length greater than the diameter of the separatingball and interposed between two adjacent load-carrying balls and in superficial contact therewith, the retainers and their separatingballs automatically adjusting themselves onto a dead-center line relatively to said load-carrying balls.
3. In a ball-bearing, load-carrying balls, a separating-ball, a retainer for said separatin -ball, having flared ends, said separatingba ll and its retainer being interposed between adjacent load-carrying balls.
4. In a ball-bearing, load-carrying balls, a separating-ball, and a retainer for said separating-ball, provided with means for confining said separating-ball within it, said separating-ball and its retainer being interposed between and in contact with adjacent loadcarrying balls. I
5. In a ball-bearing, load-carrying balls, a
separating-ball, a retainer for said separatingball, provided with means for loosely confining the separating-ball therein, and also provided with flared ends, said separatingball and its retainer being arranged between and in contact with adjacent load-carrying balls.
6. A baILbearing, comprising a series of load-carrying balls, a separating-ball interposed between each adjacent two load-carrying balls, and an independent tubular retainer for each of said separating-balls within which retainer the separating-ball is confined, said retainer supported by and between the loadcarrying balls and adapted to automatically maintain the separating-balls on a dead-center line between adjacent load-carrying balls.
In testimony whereof I have hereunto set my hand this 16th day of April, A. D. 1904.
CHARLES H. CHAPMAN.
Witnesses:
W E. PUTNEY. A. I. KENDALL.
US24439104A 1904-04-18 1904-04-18 Ball-retainer for ball-bearings. Expired - Lifetime US785663A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6113274A (en) * 1999-04-15 2000-09-05 Tsubaki Nakashima Co., Ltd. Linear guideway having spacers and spacer ball
US6176149B1 (en) * 1999-05-28 2001-01-23 Tsubaki Nakashima Co., Ltd. Ball screw having spacers
US20070068300A1 (en) * 2005-08-26 2007-03-29 Wen-Chia Wu Partition room and spacer ball for ball screw unit
US20080000320A1 (en) * 2004-07-30 2008-01-03 Schaeffler Kg Ball Screw
US20160076590A1 (en) * 2015-11-24 2016-03-17 Schaeffler Technologies AG & Co. KG Ball bearing with slanted or angled flat raceways

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6113274A (en) * 1999-04-15 2000-09-05 Tsubaki Nakashima Co., Ltd. Linear guideway having spacers and spacer ball
US6176149B1 (en) * 1999-05-28 2001-01-23 Tsubaki Nakashima Co., Ltd. Ball screw having spacers
US20080000320A1 (en) * 2004-07-30 2008-01-03 Schaeffler Kg Ball Screw
US7806017B2 (en) * 2004-07-30 2010-10-05 Schaeffler Kg Ball screw
US20070068300A1 (en) * 2005-08-26 2007-03-29 Wen-Chia Wu Partition room and spacer ball for ball screw unit
US7493837B2 (en) * 2005-08-26 2009-02-24 Hiwin Technologies Corp. Partition room and spacer ball for ball screw unit
US20160076590A1 (en) * 2015-11-24 2016-03-17 Schaeffler Technologies AG & Co. KG Ball bearing with slanted or angled flat raceways

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