US2617613A

US2617613A - Bobbin

Info

Publication number: US2617613A
Application number: US162130A
Authority: US
Inventors: Berry Joseph Wallace
Original assignee: BIRMINGHAM ALUMINUM CASTING 19
Current assignee: BIRMINGHAM ALUMINUM CASTING (1903) Co Ltd; BIRMINGHAM ALUMINUM CASTING 19
Priority date: 1949-05-26
Filing date: 1950-05-15
Publication date: 1952-11-11
Anticipated expiration: 1969-11-11

Description

J. W. BERRY BOBBIN Nov. 11, 1'952 3 Sheets-Sheet l Filed May i5, 195o l5 F IGZ.

'& l1 I lo '2 1'4 I Il J. W. BERRY Nov. 11, 1952 BOBBIN 3 Sheets-Sheet 3 Filed May 15, 1950 In the darwings:

Patented Nov. 11, 1952 BOBBIN Joseph Wallace Berry, Stourbridge, England, as-

signor to The Birmingham Aluminum Casting (1903) Company Limited, Birmingham, England, a British company Application May 15, 1950, Serial No. 162,130'

VIn Great Britain May 26, 1949 11 Claims.

The invention relates to bobbins, reels and the like more especially to those intended for use in the textile and allied trades.

A bobbin, reel, or the like in accordance with the present invention comprises a metal barrel and end anges secured thereon, wherein the iianges provide at intervals abutments for the ends of the barrel and recessed seating portions to receive and seat upon the barrel ends and apertures through the flanges between the abutments in order that the barrel ends are accessible from the outside of the anges when the latter are in position, which accessible portions are deformed behind parts of the flanges to secure the tubular barrel and flanges rigidly together.

It is preferred that the barrel and the iianges shall be made in a light metal such as aluminium or suitable alloys of aluminium or magnesium and the term light metal used in this specification is intended to include such alloys.

Other preferred features of the invention are set forth in the following description of examples of construction, in which reference is made to the accompanying drawings, and in the claims hereinafter appearing.

Figure 1 is a sectional elevation of a bobbin the sectionV being taken on the vline I-I of Figure 3 and showing the assembled parts before the operation for securing the flanges is completed.

Figure 2 is a similar view to Figure 1 with the section taken on the line 2--2 of Figure 3.

Figure 3 is an end viewv of the bobbin looking from the left'at Figure l.

Figure 4 is a section on line ll--i of Figure 5 showing one end of the `bobbin after the securing operation has taken place.

Figure 5v is an end view looking from the left at Figure 5. Y

Figure 6` is a sectional View on line E- of FigureY 7 cf a bobbin of modified construction.

Figure 7 is an end View of the bobbin shown :in Figure 6 looking from the left.

Figure 8 is van end view looking from the right atV Figure 6. v

In the example of construction illustrated in Figures 1 to 5, the reference numeral II) indicates the barrel of the bobbin, I `I is the left hand end flange and I2 is the right hand end flange. The barrel may be ,a drawn tube oi" light metal or one produced by die casting operation, but the drawn tube is more convenient for large sizes of bobbins. The flanges II and i2 are conveniently, but not necessarily, made as vlight metal castings preferably Vdie castings, Each ,flange 2 is integral with a central boss I3 provided for mounting the bobbin in a machine for use. The greater part of this central boss is within the end of the barrel when the barrel and flanges are assembled and secured together. The central boss I3 and the flange (II or I2 as the case may be) are rigidly connected together, in this example, by radial webs I4 extending from the boss to an outwardly directed circumferential rim I5. The central boss and the web are spaced apart as at I5V so that each flange has apertures passing through it from its inner face I7 to its outer face I8 between the webs and the inner faces of the webs I4 are recessed at I and, together, a seating is provided in the flange which enables it to be passed on to the end of the barrel and to t thereon. Therecess I9 in the webs I4 is deeper from the inner face of the flange to the abutmentr28 at the end of the recess than the distance between the inner face Il of the flange and outer face I8 between the webs. The end of the barrel passes through the apertures in the flange between the webs and projects beyond the outer face I8 of the flange as at 2|, Figure 1, and provides substantial portions of the unbroken end which` are accessible from the outer face of the flange and can be forced onto the surface I8 by drifts, punches, or like means into the position seen at 22 in Figures 4 and 5. The ab-utments 2 at the end of the deep recesses I9 in the webs I4 provide a fixed and rigid stop against the barrel ends and an exact location to give the desired axial separation of the flanges. The flanges are preferably pressed on to the barrel ends in a press and then the drifting` or expanding operation to deform the barrel ends, is performed.

If desired the outer Aface vIll of each flange may be grooved or recessed (not shown) and the metal of the anchorage portions 2| of the barrel ends, which are expanded over the said face, are forced into the grooves or recesses to enhance the keying effect.

The anges II and I2 are not necessarily the same in construction. As shown in Figures 1 and 2 the flange I I is perpendicular to the barrel axis at its inner face Il, and the flange I2 has the inner face Il slightly conical and the rim l5 is of different shape. The flangeswill vary in size and design to adapt them'to the particular purposes for which the bobbin isintended.

The number of apertures 'I6 and consequently of anchorages 2l around the circular seating of the flanges will depend to some extent on the dimensions of the bobbin or the like. The number should leave substantial webs I4 crossing the apertures I6 between the central boss and the circular seating of the ilanges. Six anchorages 2l and webs I4 form a convenient arrangement for bobbinsV with barrels of about 11/2l to 2 diameter and provide a very strong unit.

As shown in Figures 6, 7 and 8 the barrel I@ may be formed of one-piece of light metal tube having shapes that vary from the normal cylindrical tube and are formed by pressing, rolling or spinning operations.

By this means various shapeslof barrel which oier advantages in use, may be produced as integral one piece tubular structures without any building up or assembly of additional parts to produce the shapes required.

In this illustrated example a barrel Iil formed of cylindrical tube is left cylindrical at one end and for part of its length is given a conical shape of larger diameter as at-23 near the otherA end which is reducedagain at 24.150 provide an integral cylindrical portion 25'for seating against its ange so that both ends are of even size and will fit iianges having circular seatings of the same size. The ilanges II and I2' in this example are of unequal size while" the seatingsr` of the flanges at the two ends' are ofi the same diameter, but obviously the seatings of the flanges II and I2 on the barrel ends may vary also tosuit a barrel with different ends. The flange II is shown with small webs 26 across' the angles of its rim I5 in between the radial webs I d, while the flange I2, apart from the shallow circular face 21 against which theA barrel end 28- is expanded, is of entirely different section.

I claim:

l. A bobbin comprising a tubular metal barrel, end flanges for the barrel, a bearing boss integral with each ange, an annular wall of each ange surrounding and spaced from the bearing boss, spokes connecting said bess and wall and mainly disposed on the outer face of the Wall, seatings in the spokes for the end of said barrel, said seatings communicating with the opening defined by the spacing of said boss and wall and terminating each in an abutment surface for engagement by the end of the barrel when passed through said opening, said seatings extending in an axial direction beyond the outer face of said wall, and circumferentially spaced portions of the end of the barrel located between said spokes being expanded to extend over a portion of the outer surface of said wall for securing the barrel and flange rigidly together.

2. A bobbin comprising a tubular metal barrel, end anges for the barrel, a bearing boss integral with each flange, an annular wall of each ilange surrounding and spaced from the bearing boss, a rim on the flange, spokes radiating from the boss to said rim, said spokes' being mainly disposed on the outer face of the wall, seatings for the end of the barrel recessed in the spokes and communicating with thev opening, deiined by said spaced boss and wall, said seatings extending in an axial direction beyond thev outer' face of said wall and terminating each in an abutment .surface engaging the end of the barrel passed through said opening and seating, and portions of the end of the barrel located between said spokes being expanded to extend over a portion of the outer face of said wall between said spokes for securing the barrel and flange rigidly together.

3. A bobbin as specied in claim 2 in which 4 the spokes radiating from the boss to the rim connect said boss and wall.

4. In a bob-bin having a tubular metal barrel, end flanges for the barrel each comprising a bearing boss, an annular wall surrounding and spaced from said boss, spokes radiating from the boss and connecting said boss and wall, said spokes being mainly disposed on the outer face of the wall, and seatings for the end of the barrel recessed in said spokes and communicating with the opening defined by said spaced boss and wall, said seatings extending axially beyond the outer face ofi the wall and terminating each in an abutment surface-adapted for engagement with the barrell end when passed through said opening and seatings.

5. A bobbin as specified in claim 4 wherein a rim directed outwardly from the annular wall is provided, said spokes radiating from the boss to said rim.

6. A bobbin as specified in claim l wherein the barrel is. provided with cylindrical end portions, a cylindrical bodyV portion adjacent one end portion, and a flared body portion adjacent the other end portion, said flared portion being of a greater diameter thanY the cylindrical end and body portions. of thebarrel.

7. A bobbin as specified in claim l wherein the. barrel is providedwith cylindrical end portions, a cylindrical body portion adjacent one end portion, anda conical dared body portion increasing in diameter towards the other end portion, said flared portion having a diameter greater than that ofthe cylindrical end and body portions of the barrel.

8; A bobbin comprising a tubular metal barrel, end anges for. the barrel, bearing bosses and spaced connections' joining said bosses one to each flange, a wall of each flange surrounding and spaced from the bearing boss to dene with the latter an annular opening through which the end of the barrel is passed, seatings in said connections for the end' of the barrel, and portions of the end of the barrel which protrude between said spaced connections being expanded to extend over a portion of the outer surface of said` wall of the flange.

9. A bobbin comprisingr a tubular metal barrel, end flanges for the barrel each having a circumferential wall dening ya central circular recess through which the end of the barrel is passed, a bearing boss entering` the end of the barrel, said boss being spaced from the inner surface of the barrel, members` integrally connecting said boss and wall, seatings in said members for circumferentially spaced portions of the end of the barrel, and further portions of the end of the barrel disposed between said circumferentially spaced and seated portions being expanded to extend overa portion of thevouter surface of the wall of the an'ge to secure the barrel and ange rigidly together.

10. A bobbin comprising a tubular metal barrel, end flanges for the barrel, a wall of each ange dening a central circular opening through which the end of the barrel is passed, a bearing boss entering the end of the barrel and maintained in spaced relationship thereto by members radiating from the. boss and integrally connecting the boss to the wall of the ange, seatings in said members for Yreceiving circumferentially spaced portions of the end of the barrel, abutments on said members against which the circumferentially spaced portions of the end of the barrel abut when the end of the barrel is passed through said opening to protrude beyond the surface' of the Wall, and portions of the end of the barrel intervening between said circumferentially spaced portions being expanded to extend over a portion of the outer surface of the wall of the fiange to secure the barrel'and flange rigidly together. l

11. A bobbin reel comprising a met-a1 barrel, end flanges for the barrel, a circumferential wall of each ange dening a central circular opening through which the end of the barrel is passed, a bearing boss received in and, spaced from the Abarrel and means connecting said bearing boss and. wall ofthe ange in such manner that the internal surface of the barrel is accessible :from 15 Number the outer face of the flange in order that portions of the end of the barrel can readily be expanded to secure the ange to the barrel.

JOSEPH WALLACE BERRY.

EFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Y Number Name Date 1,842,113 Quigg Jan. 19, 1932 FOREIGN PATENTS Country Date 503,688 Great Britain Apr. 13, 1949