Patent US2721636A successfully refreshed from Google Patents.
US4183259A
Expired / Lapsed
US
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Wheel structure adapted to spin at high angular velocities and method of manufacturing the same
Assignee: Institut de Recherche des Transports
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Filing: 1977-05-17
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Granted: 1980-01-15
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Expires: 1997-05-17
Abstract
Abstract A wheel structure such as a flywheel with hub and rim adapted for use at high angular velocities including a strong, compact and perfectly balanced coiling formed by a radiating winding of at least two cables linking the wheel hub to the wheel rim and enveloping the rim. Also the method of manufacturing of the wheel structure by winding of the cables between the wheel hub and wheel rim by cables continuously dispensed under constant tension looped around the wheel rim.
Inventors
- 👤 Jean-Luc Giovachini
- 👤 Jean-Pierre Pascal
- 👤 Dante M. Vendramini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:41
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/30; F16F15/305; F16C; F16C15/00; G; G01; G01R; G01R31/00; G01R31/34; F16C2361/00; F16C2361/55; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2117; Y10T74/2119; Y10T74/212
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
181 words
A wheel structure suitable for spinning at high angular velocities comprising a hub, a rim concentrically extending around said hub, first and second faces on opposite sides of a median plane containing said hub and said rim, at least two cable lengths, each extending repetitively between said hub and said rim, each of said cable lengths repetitively wound to pass twice around said rim and once around said hub for each cycle of wound cable, each said pass around said hub maintained in the same said face and each said pass around said rim extending said cable length from one of said faces into the other of said faces, an annular crossover zone extending concentrically between said hub and said rim, said cable lengths having their portions extending between said hub and said rim each passing from one of said faces to the other of said faces when passing through said annular crossover zone, at least one flange formed from the winding of said at least two cable lengths joining said hub and enveloping said rim to form a balanced assembly.
Claim 2
Dependent Claim
181 words
A wheel structure suitable for spinning at high angular velocities comprising a hub, a rim concentrically extending around said hub, first and second faces on opposite sides of a median plane containing said hub and said rim, at least two cable lengths, each extending repetitively between said hub and said rim, each of said cable lengths repetitively wound to pass twice around said rim and once around said hub for each cycle of wound cable, each said pass around said hub maintained in the same said face and each said pass around said rim extending said cable length from one of said faces into the other of said faces, an annular crossover zone extending concentrically between said hub and said rim, said cable lengths having their portions extending between said hub and said rim each passing from one of said faces to the other of said faces when passing through said annular crossover zone, at least one flange formed from the winding of said at least two cable lengths joining said hub and enveloping said rim to form a balanced assembly.
Claim 3
Dependent Claim
31 words
A wheel structure as claimed in claim 1 further characterized by twists imparted to said cable lengths between said hub and said rim and to said cable lengths near said hub.
Claim 4
Dependent Claim
49 words
A wheel structure as claimed in claim 1 further characterized by a separator on said hub in said mediam plane, said flange having a void therein determined by the thickness of said separator and said void having a maximum possible extension from said hub to said annular crossover zone.
Claim 5
Dependent Claim
18 words
A wheel structure as claimed in claim 1 further characterized by said cable lengths made of resin-fiber-reinforced plastic.
Claim 6
Dependent Claim
18 words
A wheel structure as claimed in claim 1 further characterized by an outer skin provided around said assembly.
Claim 7
Dependent Claim
23 words
A wheel structure as claimed in claim 5 further characterized by said outer skin being made of a laminated fabric of resin-fiber-reinforced plastic.
Claim 8
Dependent Claim
48 words
A wheel structure as claimed in claim 1 further characterized by said rim being a thin circular metallic armature, a bulged circular envelope over opposite faces of said rim positioned to prevent buckling of said thin circular metallic armature and assist winding said cable lengths around said armature.
Claim 9
Dependent Claim
19 words
A wheel structure as claimed in claim 7 further characterized by said bulged circular envelope being made of plastic.
References Cited (Backward Citations)
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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) | 1983-01-14 | 1983-07-16 | 1984-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-14 | 1987-07-16 | 1988-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-14 | 1991-07-16 | 1992-01-15 | $7700.00 | Window Closed / Lapsed |