Patent US3757400A successfully refreshed from Google Patents.
US3757400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of vehicle wheel trim
Assignee: Sargent Industries Inc
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Filing: 1971-05-24
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Granted: 1973-09-11
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Expires: 1991-05-24
Abstract
Abstract This disclosure pertains to a novel method of manufacturing trim rings generally comprising the steps of providing a plurality of circular blanks, forming the outer portion of each said blank into an approximate trim ring configuration, forming wheel retention means on the inner portion of each said blank,forming each said inner portion into a shape complementary to the configuration of each said outer portion, and securing each said inner portion to one of said outer portions. Also disclosed is a novel trim ring structure incorporating improved locating and retention means.
Inventors
- 👤 H Beisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:33
CPC Classifications
B; B60; B60B; B60B7/00; B60B7/01; B21; B21D; B21D53/00; B21D53/26; B21D53/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/4954; Y10T29/49542
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
145 words
A method of manufacturing wheel trim for a vehicle wheel, comprising: stamping a generally circular member out of a generally flat blank of sheet material; forming a plurality of generally radially extending slits in said member, each of said slits extending outwardly from adjacent the center of said member to points disposed substantially equal distances from the outer periphery of said member; piercing the center out of said member to render same generally annular in shape, whereby a plurality of radially inwardly extending integral elements having inner free ends are thus defined about the inner periphery of said member; forming projecting wheel-engaging teeth from the material of a portion of each of said elements; forming said elements so that they generally overlie the unslit outer portion of said member; and rigidly connecting the free ends of said elements to the outer periphery of said member.
Claim 2
Independent Claim
145 words
A method of manufacturing wheel trim for a vehicle wheel, comprising: stamping a generally circular member out of a generally flat blank of sheet material; forming a plurality of generally radially extending slits in said member, each of said slits extending outwardly from adjacent the center of said member to points disposed substantially equal distances from the outer periphery of said member; piercing the center out of said member to render same generally annular in shape, whereby a plurality of radially inwardly extending integral elements having inner free ends are thus defined about the inner periphery of said member; forming projecting wheel-engaging teeth from the material of a portion of each of said elements; forming said elements so that they generally overlie the unslit outer portion of said member; and rigidly connecting the free ends of said elements to the outer periphery of said member.
Claim 3
Dependent Claim
26 words
The method of claim 1, wherein the outer periphery of said member is crimped over the free ends of said elements to rigidly connect them together.
Claim 4
Dependent Claim
27 words
The method of claim 1, wherein said member is drawn prior to said slitting to form a generally conical side wall and a generally flat center portion.
Claim 5
Dependent Claim
27 words
The method of claim 3, wherein each of said slits extends outwardly to adjacent the juncture of said conical side wall and said generally flat center portion.
Claim 6
Dependent Claim
18 words
The method of claim 1, further including forming stiffening flanges along the edges of each of said elements.
Claim 7
Independent Claim
79 words
A method of manufacturing trim rings for vehicle wheels, comprising: stamping a plurality of generally circular members out of generally flat sheet material; forming the outer portion of each said member into an approximate trim ring configuration; forming wheel retention means on the inner portion of each said member and forming each said inner portion into a shape complementary to the configuration of each said outer portion; and securing each said inner portion to one of said outer portions.
Claim 8
Independent Claim
79 words
A method of manufacturing trim rings for vehicle wheels, comprising: stamping a plurality of generally circular members out of generally flat sheet material; forming the outer portion of each said member into an approximate trim ring configuration; forming wheel retention means on the inner portion of each said member and forming each said inner portion into a shape complementary to the configuration of each said outer portion; and securing each said inner portion to one of said outer portions.
Claim 9
Dependent Claim
28 words
A method as claimed in claim 6, wherein the outer peripheral edge of said formed inner portion is secured to the outer peripheral edge of said outer portion.
Claim 10
Dependent Claim
31 words
A method as claimed in claim 6, further comprising the step of removing the center of each said member prior to said forming of said inner portion into said complementary shape.
Claim 11
Dependent Claim
29 words
A method as claimed in claim 6, wherein said forming of said inner portion into said complementary shape is performed while the latter is integral with said outer portion.
Claim 12
Dependent Claim
27 words
A method as set forth in claim 6, wherein said forming of said retention means is performed while said inner portion is integral with said outer portion.
Claim 13
Independent Claim
134 words
A method of manufacturing wheel trim for a vehicle wheel, including the following steps: providing an annular member with an annular opening at the center of the annular member to define inner and outer peripheries on the member, forming a plurality of radial slits in tne annular member at circumferentially spaced positions around the inner annular periphery of the member where the slits extend only a partial distance from the inner annular periphery to the outer annular periphery of the member, forming a plurality of retention means in the annular member at positions between the successive pairs of slits at radial distances intermediate the lengths of the slits, and forming the slitted portions of the annular member into reinforcing means each supported at its opposite ends by the unslit portion of the annular member.
Claim 14
Independent Claim
134 words
A method of manufacturing wheel trim for a vehicle wheel, including the following steps: providing an annular member with an annular opening at the center of the annular member to define inner and outer peripheries on the member, forming a plurality of radial slits in tne annular member at circumferentially spaced positions around the inner annular periphery of the member where the slits extend only a partial distance from the inner annular periphery to the outer annular periphery of the member, forming a plurality of retention means in the annular member at positions between the successive pairs of slits at radial distances intermediate the lengths of the slits, and forming the slitted portions of the annular member into reinforcing means each supported at its opposite ends by the unslit portion of the annular member.
Claim 15
Dependent Claim
45 words
A method as set forth in claim 11 wherein the outer periphery of the annular member is shaped to retain the inner periphery of the slitted portions of the annular member when the slitted portions of the annular member are formed into the reinforcing means.
Claim 16
Dependent Claim
44 words
A method as set forth in claim 12 wherein the member is provided, prior to the slitting, with a generally conical side wall and a generally flat center portion and wherein the flat center portion is radially slitted toward the generally conical side wall.
Claim 17
Dependent Claim
25 words
A method as set forth in claim 13 wherein the flat center portion is shaped to stiffen this portion at positions near the inner periphery.
Claim 18
Dependent Claim
43 words
A method as set forth in claim 14 wherein the slitted portions of the annular member are retained in integral relationship with the unslitted portion of the annular member when the slitted portions of the annular member are formed into the reinforcing means.
Claim 19
Independent Claim
122 words
A method of manufacturing wheel trim for a vehicle wheel, including the following steps: providing an annular member having inner and outer annular peripheries, slitting the annular member radially from the inner periphery to a distance intermediate the inner and outer peripheries at spaced positions around the annular periphery of the member, forming the unslitted portion of the member into a conical configuration with the outer periphery forming the base of the conical configuration, forming teeth in the slitted portions of the annular member at positions intermediate the radial length of the slit and intermediate the distance between adjacent slits, and forming from the slitted portions reinforcing means supported at their opposite radial ends by the unslitted portion of the annular member.
Claim 20
Independent Claim
122 words
A method of manufacturing wheel trim for a vehicle wheel, including the following steps: providing an annular member having inner and outer annular peripheries, slitting the annular member radially from the inner periphery to a distance intermediate the inner and outer peripheries at spaced positions around the annular periphery of the member, forming the unslitted portion of the member into a conical configuration with the outer periphery forming the base of the conical configuration, forming teeth in the slitted portions of the annular member at positions intermediate the radial length of the slit and intermediate the distance between adjacent slits, and forming from the slitted portions reinforcing means supported at their opposite radial ends by the unslitted portion of the annular member.
Claim 21
Dependent Claim
41 words
A method as set forth in claim 16, including the following step: shaping the slitted portions of the annular member at positions between the inner periphery of the annular member and the teeth to stiffen the slitted portions at these positions.
Claim 22
Dependent Claim
51 words
A method as set forth in claim 17, including the step of: forming the outer periphery of the annular member to provide for a retention of the inner periphery of the annular member by the outer periphery of the annular member when the slitted portions are formed into the reinforcing means.
Claim 23
Dependent Claim
40 words
A method as set forth in claim 17 wherein the slitted portions of the annular member are integral with the unslitted portion of the annular member when the slitted portions of the annular member are formed into the reinforcing means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |