CA1126622A - Non-welded steering wheel and method of manufacture - Google Patents
Non-welded steering wheel and method of manufactureInfo
- Publication number
- CA1126622A CA1126622A CA335,573A CA335573A CA1126622A CA 1126622 A CA1126622 A CA 1126622A CA 335573 A CA335573 A CA 335573A CA 1126622 A CA1126622 A CA 1126622A
- Authority
- CA
- Canada
- Prior art keywords
- rim
- terminal
- split
- portions
- openings
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Mechanical Control Devices (AREA)
Abstract
Abstract of the Disclosure A steering wheel includes a stamped body portion including a hub and a pair of spoke members having terminal portions integrally riveted to a split rim member and wrapped thereabout. One of the terminal portions is secured to the split portion of the rim member and the other is secured to an unsplit portion. The steering wheel is manufactured by forming the terminal portions with an intermediate flange and a terminal flange, locating the rim member at the juncture of the flanges, with the split of are rim member within the extent of one of the terminal flanges, piercing the terminal flange to either side of the split, piercing the other terminal flange, extruding portions of the rim member into the pierced openings to integrally rivet the rim member to the terminal portion and wrapping the terminal flanges over the recesses in the rim member resulting from the extrusion to clamp the rim member and terminal portions to each other.
Description
C- ~, OfiO ~Z6ti~
o NON~ I`LI''D ST~'E`.~ G l`~EII~l~L
D ~ I E T ~ .'OD Ol' I '~ CT ll RE
_ _ _ This invention relate ~,enerally to steering wlleels and more particularly to a non-welded steering ~lheel and method of manufacture thereof.
Convelltionally, steering wheels include a body portion having a hub portion and spoke portions, and a continuous rim portion which is secured to the spoke portions.
The hub portion is normally formed in one or more pieces and then riveted or welded to the boay portion. The rim portion is normally formed as a butt-welded circular ring which is welded to the ends of the spoke portions.
The steering wheel of this invention includes a body portion having a hub portion and integral spoke portions.
The rim is formed as a split circular ring which is secured to the spoke portions by integrally riveting the rim to the spoke portions and wrapping flanse portions of the spoke portions over the integrally riveted rim.
In the preferred embodiment of the invention, the spoke portions are each formed with an intermediate flange and a terminal flange, with the terminal flange being provided with spaced openings. The rim, in the form of a split cir-cular ring, is located at the junctures of the intermediate and terminal flanges, with the split being located generally centrally of one terminal flange and intermediately of at least a pair of the openings therein. Thereafter the rim is integrally riveted to both terminal flanges by extruding portions of the rim into the openings thereof. The terminal flanges are then wrapped over the rim and over the recesses rosultill(3 from t~le e~trusiolls ~Jhereby tne rim and spoke portions are secured both by the integral ri~ets and by clamping .
Thus, no portion of the steering wheel of this invention is of ~.~elded construction. The body portion and the rim, both in their individual manufacture and in the assembly process are secured to each other by conventional stamping and die operations.
The primary feature of this invention is that it provides a steering wheel having both spokes and a rim secured to each other through the use of non-welded opera-tions. Another feature is that the spokes and rim are both integrally riveted and clamped to each other. A further feature is that the rim is in the form of a split circular ring and is integrally riveted to one of the spokes to either side of the split therein. Yet another feature is that the spokes are formed with angularly related intermediate and terminal flanges which support the rim during assembly, with the terminal flanges being provided with a plurality of open-ings which receive integral rivet extrusions of the rim.
Still another feature is that the terminal flanges are there-after wrapped over the rim and also over the recesses in the rim resulting from the extrusions to clamp the spoke and rim to each other.
These and other features will be readily apparent from the follo~ g specification and drawings wherein:
r igure 1 is a partially broken a~Jay plan view of a steering wheel according to the invention, Figure 2 is an enlarged broken a~Jay view of a portion of Figure 1;
~:~266ZZ
Figure 3 is a sectional view taken generally a]ong line 3-3 of Figure ];
Figure 4 is a sectional view taken generally along line 4-4 of Figure l; and Figures 5-9, inclusive, show various stages in the manufacture of the steering wheel.
Referring now to Figure 1 of the drawings, a steering wheel 10 according to the invention includes a body portion 12 and a split rim 14. The body portion 12 includes an integral hub portion 16 and a pair of Iike spokes 18 and 18' of generally shallow arcuate cross-sectional configuration.
As shown in Figure 3, the integral hub portion 16 includes a central upwardly extending boss 20 having an internally - splined portion 22 of slightly smaller diameter. The portion 22 receives the upper splined end of a conventional steering shaft in order to secure the steering wheel to such shaft.
Such structure is not shown since it is conventional.
As shown in Figure 4, the spoke 18 includes an intermediate flange portion 24 and a terminal flange portion
o NON~ I`LI''D ST~'E`.~ G l`~EII~l~L
D ~ I E T ~ .'OD Ol' I '~ CT ll RE
_ _ _ This invention relate ~,enerally to steering wlleels and more particularly to a non-welded steering ~lheel and method of manufacture thereof.
Convelltionally, steering wheels include a body portion having a hub portion and spoke portions, and a continuous rim portion which is secured to the spoke portions.
The hub portion is normally formed in one or more pieces and then riveted or welded to the boay portion. The rim portion is normally formed as a butt-welded circular ring which is welded to the ends of the spoke portions.
The steering wheel of this invention includes a body portion having a hub portion and integral spoke portions.
The rim is formed as a split circular ring which is secured to the spoke portions by integrally riveting the rim to the spoke portions and wrapping flanse portions of the spoke portions over the integrally riveted rim.
In the preferred embodiment of the invention, the spoke portions are each formed with an intermediate flange and a terminal flange, with the terminal flange being provided with spaced openings. The rim, in the form of a split cir-cular ring, is located at the junctures of the intermediate and terminal flanges, with the split being located generally centrally of one terminal flange and intermediately of at least a pair of the openings therein. Thereafter the rim is integrally riveted to both terminal flanges by extruding portions of the rim into the openings thereof. The terminal flanges are then wrapped over the rim and over the recesses rosultill(3 from t~le e~trusiolls ~Jhereby tne rim and spoke portions are secured both by the integral ri~ets and by clamping .
Thus, no portion of the steering wheel of this invention is of ~.~elded construction. The body portion and the rim, both in their individual manufacture and in the assembly process are secured to each other by conventional stamping and die operations.
The primary feature of this invention is that it provides a steering wheel having both spokes and a rim secured to each other through the use of non-welded opera-tions. Another feature is that the spokes and rim are both integrally riveted and clamped to each other. A further feature is that the rim is in the form of a split circular ring and is integrally riveted to one of the spokes to either side of the split therein. Yet another feature is that the spokes are formed with angularly related intermediate and terminal flanges which support the rim during assembly, with the terminal flanges being provided with a plurality of open-ings which receive integral rivet extrusions of the rim.
Still another feature is that the terminal flanges are there-after wrapped over the rim and also over the recesses in the rim resulting from the extrusions to clamp the spoke and rim to each other.
These and other features will be readily apparent from the follo~ g specification and drawings wherein:
r igure 1 is a partially broken a~Jay plan view of a steering wheel according to the invention, Figure 2 is an enlarged broken a~Jay view of a portion of Figure 1;
~:~266ZZ
Figure 3 is a sectional view taken generally a]ong line 3-3 of Figure ];
Figure 4 is a sectional view taken generally along line 4-4 of Figure l; and Figures 5-9, inclusive, show various stages in the manufacture of the steering wheel.
Referring now to Figure 1 of the drawings, a steering wheel 10 according to the invention includes a body portion 12 and a split rim 14. The body portion 12 includes an integral hub portion 16 and a pair of Iike spokes 18 and 18' of generally shallow arcuate cross-sectional configuration.
As shown in Figure 3, the integral hub portion 16 includes a central upwardly extending boss 20 having an internally - splined portion 22 of slightly smaller diameter. The portion 22 receives the upper splined end of a conventional steering shaft in order to secure the steering wheel to such shaft.
Such structure is not shown since it is conventional.
As shown in Figure 4, the spoke 18 includes an intermediate flange portion 24 and a terminal flange portion
2~ 26 of generally planar shape. Spoke 18' includes like flange portions 24' and 26'. The rim 14 is clamped within the flange portions 24, 24' and 261 26' as shown.
~eferring now to Figures l and 2 of the drawings, the split 28 in the rim 14 is located generally centrally or intermediately of the flange portions 24' and 26' of the one spoke 181. It ~ill be noted thst the flange portions cover the rim 14 to either side of the split 28. Likewise the flange portions 24 and 26 of the other spoke 18 cover an unsplit portion of the rim 14~ The flange portion 26' to eiiher side of the split 28 is provided with a pair of l~Z~i2~
o~e}lings 30' and li~ew;se -~he flanc~e portion 26 is provi~ed Witil a similar pair oE openings 30 which are spaced approx-iMately the same distance as the opellings 30'. As shown in Figures 2 and 4 integral portions 32' and 32 of the rim 14 are extruded radially outwardly and into the openings 30' and 30, respectively, generally flush with the radially outer walls 34' and 34 of flange portions 26' and 26. The e~trusions provide integral rivets securing the split end portions and an unsplit portion of the rim 14 to the spokes 18' and 18. It will be noted that the radially inner walls 36' and 36 of flange portions 26' and 26 extend partially over the rim 14 and generally over the recesses 38 which result from the extrusions of portions 32' and 32 so that the rim 14 is both integrally riveted to each of the spokes 18' and 18 and also clamped thereto provide for secure attach-- ment of the rim and spokes to each other.
The method of manufacturing the steering wheel 10 is shown in Figures 5-9, inclusive, and will now be described with reference to spoke 18. It will be understood that 2G spoke 18' is simultaneously formed with spoke 18 and simul-taneously secured to rim 14.
As shown in Figure 5, the spokes 18 and 18' are initially formed with the intermediate flange portions 24 and 24' and the terminal flange portions 26 and 26' generally normal to each other. Thereafter as shown in Figure 6, the flange portions 26 and 26' are pierced in at least two spaced locations to provide the pairs of openings 30 and 30'.
The rim 14 is then located at the ~unctures of the flange portions 24 znd 26 and 24' and 26' as shown in Figure 7. The split 28 of the rim is located generally intermediately of the flange portiolls 24' alld 26' and interr.lediatel~ oE
the openings 30' of the fiange portion 26'. ~s shown in Figure 8, the integral portions 32 and 32' of the rim 14 are then extruded radially outwardly into the openings 30, 30l to provide pairs of integral rivets securing -the rirn 14 to each of the spo~es 18 and 18'. Either concurrently with such extrusion or in a subsequent step, the flange portions 26 and 26' are part~ally wrapped over the ri.m 14 as shown in Figure 8. Subsequently, as shown in Figure 9, the flange portions 26, 26' are completely wrapped over the rim 14 so that the radially inner walls 36 and 36' of such flange portions extend at least partially over the recesses 38 in order to clamp the rim 14 to the spokes 18 and 18'. It is desirable that the extrusions 32, 32' be flush with the radially outer walls 34, 34' of -the flange portions 26 and 26' although a shallow recess in the openings 30, 30' is of little consequence.
Thus this invention provides an improved non-welded steering wheel and method of manufacture.
~eferring now to Figures l and 2 of the drawings, the split 28 in the rim 14 is located generally centrally or intermediately of the flange portions 24' and 26' of the one spoke 181. It ~ill be noted thst the flange portions cover the rim 14 to either side of the split 28. Likewise the flange portions 24 and 26 of the other spoke 18 cover an unsplit portion of the rim 14~ The flange portion 26' to eiiher side of the split 28 is provided with a pair of l~Z~i2~
o~e}lings 30' and li~ew;se -~he flanc~e portion 26 is provi~ed Witil a similar pair oE openings 30 which are spaced approx-iMately the same distance as the opellings 30'. As shown in Figures 2 and 4 integral portions 32' and 32 of the rim 14 are extruded radially outwardly and into the openings 30' and 30, respectively, generally flush with the radially outer walls 34' and 34 of flange portions 26' and 26. The e~trusions provide integral rivets securing the split end portions and an unsplit portion of the rim 14 to the spokes 18' and 18. It will be noted that the radially inner walls 36' and 36 of flange portions 26' and 26 extend partially over the rim 14 and generally over the recesses 38 which result from the extrusions of portions 32' and 32 so that the rim 14 is both integrally riveted to each of the spokes 18' and 18 and also clamped thereto provide for secure attach-- ment of the rim and spokes to each other.
The method of manufacturing the steering wheel 10 is shown in Figures 5-9, inclusive, and will now be described with reference to spoke 18. It will be understood that 2G spoke 18' is simultaneously formed with spoke 18 and simul-taneously secured to rim 14.
As shown in Figure 5, the spokes 18 and 18' are initially formed with the intermediate flange portions 24 and 24' and the terminal flange portions 26 and 26' generally normal to each other. Thereafter as shown in Figure 6, the flange portions 26 and 26' are pierced in at least two spaced locations to provide the pairs of openings 30 and 30'.
The rim 14 is then located at the ~unctures of the flange portions 24 znd 26 and 24' and 26' as shown in Figure 7. The split 28 of the rim is located generally intermediately of the flange portiolls 24' alld 26' and interr.lediatel~ oE
the openings 30' of the fiange portion 26'. ~s shown in Figure 8, the integral portions 32 and 32' of the rim 14 are then extruded radially outwardly into the openings 30, 30l to provide pairs of integral rivets securing -the rirn 14 to each of the spo~es 18 and 18'. Either concurrently with such extrusion or in a subsequent step, the flange portions 26 and 26' are part~ally wrapped over the ri.m 14 as shown in Figure 8. Subsequently, as shown in Figure 9, the flange portions 26, 26' are completely wrapped over the rim 14 so that the radially inner walls 36 and 36' of such flange portions extend at least partially over the recesses 38 in order to clamp the rim 14 to the spokes 18 and 18'. It is desirable that the extrusions 32, 32' be flush with the radially outer walls 34, 34' of -the flange portions 26 and 26' although a shallow recess in the openings 30, 30' is of little consequence.
Thus this invention provides an improved non-welded steering wheel and method of manufacture.
Claims (4)
1. A non-welded steering wheel comprising, in combination, a split generally circular rim, a body portion including spaced spokes having terminal portions wrapped around the rim and provided with openings therein, one terminal portion being wrapped around the split in the rim and covering the rim to each side of the split, and integral portions of the rim extruded within the openings of the terminal portions to integrally rivet the rim to the spokes, the wrapped terminal portions clamping the rim to the spokes and cooperating with the integral rivets to secure the rim to the spokes.
2 A non-welded steering wheel comprising, in combination, a split generally circular rim, a body portion including spokes having terminal portions wrapped around the rim and provided with openings therein, one terminal portion being wrapped around the split in the rim and having the openings therein located to each side of the split in the rim, integral portions of the rim extruded within the openings of the one terminal portion to integrally rivet the split of the rim thereto, integral portions of the rim extruded within the openings of the other terminal portions whereby the rim is secured to all of the terminal portions, the wrapped terminal portions clamping the rim to the spokes and cooperating with the integral rivets to secure the rim to the spokes.
3. A non-welded steering wheel comprising, in combination, a split generally circular rim, a body portion including a pair of spokes, each having an intermediate flange and an angularly related terminal flange wrapped around the rim and provided with spaced openings therein, one terminal flange being wrapped around the split in the rim and covering the rim to each side of the split, the openings in the one flange being located to each side of the split and integral portions of the rim extruded within the openings of each terminal flange to integrally rivet the split portion and an unsplit portion of the rim to the spokes, the wrapped terminal flanges at least partially covering the recesses in the rim resulting from the extrusions and clamping the rim to the spokes.
4. A method of manufacturing a non-welded steer-ing wheel comprising:
forming a split, generally circular shaped rim member, forming a body portion having at least one spoke provided with an intermediate flange portion and a terminal flange portion, providing at least a pair of spaced openings in the terminal flange portion, locating the rim at the juncture of the intermediate and terminal flange portions, with the split in the rim being located between the openings in the terminal flange portion, extruding integral portions of the rim into the openings to integrally rivet the rim to the spoke, and wrapping the terminal flange portion about the rim to clamp the rim to the spoke.
forming a split, generally circular shaped rim member, forming a body portion having at least one spoke provided with an intermediate flange portion and a terminal flange portion, providing at least a pair of spaced openings in the terminal flange portion, locating the rim at the juncture of the intermediate and terminal flange portions, with the split in the rim being located between the openings in the terminal flange portion, extruding integral portions of the rim into the openings to integrally rivet the rim to the spoke, and wrapping the terminal flange portion about the rim to clamp the rim to the spoke.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96728878A | 1978-12-07 | 1978-12-07 | |
| US967,288 | 1978-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1126622A true CA1126622A (en) | 1982-06-29 |
Family
ID=25512577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA335,573A Expired CA1126622A (en) | 1978-12-07 | 1979-09-13 | Non-welded steering wheel and method of manufacture |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5579750A (en) |
| AU (1) | AU523159B2 (en) |
| CA (1) | CA1126622A (en) |
| DE (1) | DE2944411A1 (en) |
| FR (1) | FR2443364A1 (en) |
| GB (1) | GB2037682B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59186167U (en) * | 1983-05-31 | 1984-12-11 | 株式会社 スギノプレス | steering wheel boss |
| JPS60191871A (en) * | 1984-03-12 | 1985-09-30 | Tokai Rika Co Ltd | Steering wheel for automobile |
| JPS60178276U (en) * | 1984-05-07 | 1985-11-27 | 豊田合成株式会社 | Steering wheel core metal |
| JPH082754B2 (en) * | 1989-04-22 | 1996-01-17 | 豊田合成株式会社 | Steering wheel |
| FR2662132A1 (en) * | 1990-05-17 | 1991-11-22 | Ecia Equip Composants Ind Auto | Steering wheel framework for a motor vehicle or the like |
| JP6538297B2 (en) * | 2013-06-17 | 2019-07-03 | 日本プラスト株式会社 | Steering wheel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR751525A (en) * | 1932-12-21 | 1933-09-05 | American Hard Rubber Co | Auto Steering Wheel Improvements |
| US4011772A (en) * | 1975-12-19 | 1977-03-15 | Ford Motor Company | Steering wheel for a motor vehicle |
-
1979
- 1979-09-13 CA CA335,573A patent/CA1126622A/en not_active Expired
- 1979-11-01 DE DE19792944411 patent/DE2944411A1/en not_active Withdrawn
- 1979-11-13 AU AU52771/79A patent/AU523159B2/en not_active Ceased
- 1979-11-20 GB GB7940067A patent/GB2037682B/en not_active Expired
- 1979-11-23 FR FR7928893A patent/FR2443364A1/en active Granted
- 1979-12-06 JP JP15750879A patent/JPS5579750A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2443364A1 (en) | 1980-07-04 |
| JPS5579750A (en) | 1980-06-16 |
| AU5277179A (en) | 1980-06-12 |
| FR2443364B1 (en) | 1981-09-04 |
| GB2037682A (en) | 1980-07-16 |
| AU523159B2 (en) | 1982-07-15 |
| GB2037682B (en) | 1982-10-20 |
| DE2944411A1 (en) | 1980-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |