US3889491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque-transmitting safety coupling
Assignee: Robert Bosch GmbH
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Filing: 1973-06-26
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Granted: 1975-06-17
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Expires: 1993-06-26
Abstract
Abstract A driven coupling component and a driving coupling component are provided with cooperating coupling portions which are so configurated as to be engageable with one another in only one relative angular position of the components, and to be disengageable in response to the torque transmitted between the components exceeding a predetermined level. A biasing arrangement acts upon the components and urges the coupling portions into engagement.
Inventors
- 👤 Karl Wanner
- 👤 Hubertus Karl
- 👤 Gernot Hansel
- 👤 Manfred Bleicher
- 👤 Wolfgang Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:06
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; F16D7/06
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
70 words
A torque-transmitting safety coupling, comprising a driven coupling component; a driving coupling component; cooperating coupling portions on said components and so configurated as to be engageable with one another in only a single relative angular position of said components, and to be disengageable in response to the torque transmitted between said components exceeding a predetermined level; and biasing means acting upon said components and urging said coupling portions into engagement.
Claim 2
Dependent Claim
70 words
A torque-transmitting safety coupling, comprising a driven coupling component; a driving coupling component; cooperating coupling portions on said components and so configurated as to be engageable with one another in only a single relative angular position of said components, and to be disengageable in response to the torque transmitted between said components exceeding a predetermined level; and biasing means acting upon said components and urging said coupling portions into engagement.
Claim 3
Dependent Claim
33 words
A coupling as defined in claim 1, wherein the cooperating coupling portions of said components cooperate in pairs which are arranged on said components with irregular circumferential spacing and are of different configuration.
Claim 4
Dependent Claim
29 words
A coupling as defined in claim 1, wherein the cooperating coupling portions of said components cooperate in pairs which are arranged on said components and are of different configuration.
Claim 5
Dependent Claim
66 words
A coupling as defined in claim 1, said components having axial end faces extending transversely of their axis of rotation; and wherein said portions are claws provided on said end faces and having inclined flanks and free ends which are of smaller cross-section than the respective roots, the width of the claws in circumferential direction being different in different pairs of cooperating ones of said portions.
Claim 6
Dependent Claim
38 words
A coupling as defined in claim 1, wherein said coupling portions are displaceable on at least one of said components against the action of said biasing means, but are always in torque-transmitting connection with one of said components.
Claim 7
Dependent Claim
68 words
A coupling as defined in claim 1, wherein said portions are coupling members which are in permanent torque-transmitting connection with one of said components but displaceable relative thereto against the action of said biasing means, the other of said components having recesses into which said members are urged by said biasing means, and wherein the circumferential spacing of said members differs from the circumferential spacing of said recesses.
Claim 8
Dependent Claim
26 words
A coupling as defined in claim 6, wherein said components interengage coaxially; and wherein said members are provided on the periphery of one of said components.
Claim 9
Dependent Claim
37 words
A coupling as defined in claim 6, wherein said components have respective facing axial end faces extending transversely of their axis of rotation; and wherein said members and recesses are provided on the respective axial end faces.
Claim 10
Dependent Claim
14 words
A coupling as defined in claim 6, wherein said coupling members are spherical. Pg,24
Claim 11
Dependent Claim
13 words
A coupling as defined in claim 6, wherein said coupling members are cylindrical.
Claim 12
Dependent Claim
53 words
A coupling as defined in claim 1, wherein said components are arranged coaxially and overlap one another; and wherein said coupling portions are pairs of cooperating claws provided on juxtaposed inner and outer circumferential surfaces of the respective components, the claws of different pairs having different widths in circumferential direction of said components.
Claim 13
Dependent Claim
14 words
A coupling as defined in claim 1, wherein said biasing means comprises spring means.
Claim 14
Dependent Claim
168 words
A coupling as defined in claim 1, wherein said driving coupling component is an inner sleeve mountable on a shaft, and said driving coupling component is an outer sleeve in part telescoped over and turnably surrounding said inner sleeve; said coupling portions comprising a number of irregularly circumferentially spaced first recesses in said inner sleeve, a similar number of irregularly circumferentially spaced second recesses extending through said outer sleeve, and a plurality of spherical members each adapted to extend partly into one of said first recesses and partly into one of said second recesses when said sleeves are in said relative angular position; and wherein said biasing means comprises a ring surrounding said outer sleeve, and a spring also surrounding said outer sleeve and bearing upon the same and upon said ring to urge the same against said spherical members so as to prevent them from moving radially outwardly of said second recesses and thereby become retracted from said first recesses unless said torque exceeds said predetermined level.
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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |