Patent US4011645A successfully refreshed from Google Patents.
US4011645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering wheel method of manufacture
Assignee: Ford Motor Co
•
Filing: 1975-12-19
•
Granted: 1977-03-15
•
Expires: 1995-12-19
Abstract
Abstract A steering wheel for a motor vehicle made according to the present disclosure includes the steps of making a flexible rim assembly by forming a plurality of annular leaf springs and stacking them together. The rim assembly is secured to the steering wheel spokes by fitting the assembly into channel shape attachment members welded to the spokes and then crimping tabs on the attachment members into gripping engagement with the rim assembly.
Inventors
- 👤 George H. Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:17
CPC Classifications
B; B62; B62D; B62D1/00; B62D1/02; B62D1/04; B62D1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49488; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
83 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing a channel shape attachment member to the outer end of said spoke; forming a flexible rim core from an annular leaf spring member; fitting a portion of said rim core in said channel shape attachment member; deforming said attachment member into gripping engagement with said rim core; covering said rim core with a member having a hand gripping surface.
Claim 2
Independent Claim
83 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing a channel shape attachment member to the outer end of said spoke; forming a flexible rim core from an annular leaf spring member; fitting a portion of said rim core in said channel shape attachment member; deforming said attachment member into gripping engagement with said rim core; covering said rim core with a member having a hand gripping surface.
Claim 3
Independent Claim
93 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing an attachment member having a pair of spaced walls to the outer end of said spoke; forming a flexible rim core comprising a leaf spring member; fitting a portion of said rim core between said pair of spaced walls; crimping portions of the edges of said pair of spaced walls into gripping engagement with said rim core; covering said rim core with a member having a hand gripping surface.
Claim 4
Independent Claim
93 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing an attachment member having a pair of spaced walls to the outer end of said spoke; forming a flexible rim core comprising a leaf spring member; fitting a portion of said rim core between said pair of spaced walls; crimping portions of the edges of said pair of spaced walls into gripping engagement with said rim core; covering said rim core with a member having a hand gripping surface.
Claim 5
Independent Claim
59 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; forming a flexible rim core by stacking a plurality of annular flat leaf springs in flush interengagement; attaching said rim core to said spoke; covering said rim core with a member having a hand gripping surface.
Claim 6
Independent Claim
59 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; forming a flexible rim core by stacking a plurality of annular flat leaf springs in flush interengagement; attaching said rim core to said spoke; covering said rim core with a member having a hand gripping surface.
Claim 7
Dependent Claim
58 words
A method of manufacturing a steering wheel according to claim 3 and including: affixing an attachment member having a pair of spaced walls to the outer end of said spoke; fitting a portion of said rim core between said pair of spaced walls; deforming portions of said pair of spaced walls into gripping engagement with said rim core.
Claim 8
Independent Claim
90 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing a channel shape attachment member to the outer end of said spoke; said attachment member having spaced apart side walls with a plurality of tabs formed along the edges of said walls; fitting an annular leaf spring member between said pair of spaced walls; crimping said tabs into gripping engagement with said spring member; covering said rim core with a member having a hand gripping surface.
Claim 9
Independent Claim
90 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing a channel shape attachment member to the outer end of said spoke; said attachment member having spaced apart side walls with a plurality of tabs formed along the edges of said walls; fitting an annular leaf spring member between said pair of spaced walls; crimping said tabs into gripping engagement with said spring member; covering said rim core with a member having a hand gripping surface.
Claim 10
Independent Claim
108 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing a channel shape attachment member to the outer end of said spoke; said attachment member having spaced apart side walls with a plurality of tabs formed along the edges of said walls; forming a flexible rim core by stacking a plurality of annular flat leaf springs in flush interengagement; fitting a portion of said rim core between said pair of spaced walls; crimping said tabs into gripping engagement with said spring member; covering said rim core with a member having a hand gripping surface.
Claim 11
Independent Claim
108 words
A method of manufacturing a steering wheel for a motor vehicle comprising the steps of: attaching a spoke to a steering wheel hub; affixing a channel shape attachment member to the outer end of said spoke; said attachment member having spaced apart side walls with a plurality of tabs formed along the edges of said walls; forming a flexible rim core by stacking a plurality of annular flat leaf springs in flush interengagement; fitting a portion of said rim core between said pair of spaced walls; crimping said tabs into gripping engagement with said spring member; covering said rim core with a member having a hand gripping surface.
References Cited (Backward Citations)
US2041739A
Cited
US1920423A
Cited
US2425240A
Cited
US2810301A
Cited
US2909941A
Cited
US3321996A
Cited
US3468188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |