Patent US3638701A successfully refreshed from Google Patents.
US3638701A
Expired / Lapsed
US
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Emergency running ring for tubeless vehicle tires
Assignee: Daimler Benz AG
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Filing: 1970-02-18
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Granted: 1972-02-01
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Expires: 1990-02-18
Abstract
Abstract An emergency running ring for tubeless vehicle tires in which several hollow ring segments abutting against one another with the end faces and having a cross section matched to the tube shape, are provided with expanding inserts arranged on the inside of the hollow ring segments; the expanding inserts are supported at the hollow ring segments and are clamped against the rim bed by means of a clamping screw or bolt, whereby a spacer sleeve is associated with each expanding insert and the clamping bolt or screw engages in the spacer sleeve.
Inventors
- 👤 Heinrich Georgi F Rossler
- 👤 Heinrich Baumann
- 👤 Falk Zeidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:35
CPC Classifications
B; B60; B60C; B60C17/00; B60C17/04; B60C17/041; B60C17/042; B60C29/00; B60C29/007
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
107 words
An emergency running ring for tubeless vehicle tires comprising several hollow ring segments abutting against one another with the end faces thereof and having a cross section matched to the tire shape, expanding insert means arranged on the inside of each of the hollow ring segments, said expanding insert means being supported at the hollow ring segments and being clamped against the rim bed by means of clamping means having a first threaded connection, an adjustable spacer sleeve associated with each expanding insert means, said sleeve being supported at the rim bed, and wherein said clamping means engages in the spacer sleeve through said first threaded connection.
Claim 2
Dependent Claim
107 words
An emergency running ring for tubeless vehicle tires comprising several hollow ring segments abutting against one another with the end faces thereof and having a cross section matched to the tire shape, expanding insert means arranged on the inside of each of the hollow ring segments, said expanding insert means being supported at the hollow ring segments and being clamped against the rim bed by means of clamping means having a first threaded connection, an adjustable spacer sleeve associated with each expanding insert means, said sleeve being supported at the rim bed, and wherein said clamping means engages in the spacer sleeve through said first threaded connection.
Claim 3
Dependent Claim
27 words
An emergency running ring according to claim 1, characterized in that the spacer sleeve is adjustably connected with the expanding insert means by a second threaded connection.
Claim 4
Dependent Claim
142 words
An emergency running ring for tubeless vehicle tires comprising several hollow ring segments abutting against one another with the end faces thereof and having a cross section matched to the tire shape, expanding insert means arranged on the inside of each of the hollow ring segments, said expanding insert means being supported at the hollow ring segments and being clamped against the rim bed by means of clamping means having a first threaded connection, a spacer sleeve associated with each expanding insert means, said sleeve being supported at the rim bed, said clamping means engaging in the spacer sleeve through said first threaded connection, characterized in that the spacer sleeve is provided at its end facing the rim bed with a conically shaped recess starting from the bore for the first threaded clamping means, a seal means being provided in said recess.
Claim 5
Dependent Claim
142 words
An emergency running ring for tubeless vehicle tires comprising several hollow ring segments abutting against one another with the end faces thereof and having a cross section matched to the tire shape, expanding insert means arranged on the inside of each of the hollow ring segments, said expanding insert means being supported at the hollow ring segments and being clamped against the rim bed by means of clamping means having a first threaded connection, a spacer sleeve associated with each expanding insert means, said sleeve being supported at the rim bed, said clamping means engaging in the spacer sleeve through said first threaded connection, characterized in that the spacer sleeve is provided at its end facing the rim bed with a conically shaped recess starting from the bore for the first threaded clamping means, a seal means being provided in said recess.
Claim 6
Dependent Claim
44 words
An emergency running ring according to claim 3, characterized in that outwardly angularly bent bracket means are provided at the ends of the hollow expanding insert means supported at the hollow ring segments, said bracket means engaging in slots in the hollow ring segments.
Claim 7
Dependent Claim
22 words
An emergency running ring according to claim 4, characterized in that two expanding insert means are arranged in each hollow ring segment.
Claim 8
Dependent Claim
26 words
An emergency running ring according to claim 5, characterized in that the spacer sleeve is connected with the expanding insert means by a second threaded connection.
Claim 9
Dependent Claim
25 words
An emergency running ring according to claim 5, characterized in that the expanding insert means is made in one piece with the associated spacer sleeve.
Claim 10
Dependent Claim
22 words
An emergency running ring according to claim 1, characterized in that the rim is an undivided rim for a motor vehicle wheel.
Claim 11
Dependent Claim
43 words
An emergency running ring according to claim 1, characterized in that outwardly angularly bent bracket means are provided at the ends of the expanding insert means supported at the hollow ring segments, said bracket means engaging in slots in the hollow ring segments.
Claim 12
Dependent Claim
22 words
An emergency running ring according to claim 1, characterized in that two expanding insert means are arranged in each hollow ring segment.
Claim 13
Dependent Claim
44 words
An emergency running ring according to claim 1, characterized in that the spacer sleeve is provided at its end facing the rim bed with a recess starting from the bore for the first threaded clamping means, a seal means being provided in said recess.
Claim 14
Dependent Claim
22 words
An emergency running ring according to claim 3, characterized in that the rim is an undivided rim for a motor vehicle wheel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |