US3733802A
Expired / Lapsed
US
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Alarm device
Assignee: Jahresuhren Fabrik GmbH
•
Filing: 1971-07-26
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Granted: 1973-05-22
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Expires: 1991-07-26
Abstract
Abstract An alarm device with a double signal arrangement provided by a combination of two chronological movements united by means which initiates operation of the second chronological movement and the alarm mechanism thereof while stopping the alarm mechanism of the other.
Inventors
- 👤 O Wisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:55
CPC Classifications
G; G04; G04B; G04B23/00; G04B23/02; G04B23/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
58 words
An alarm device comprising in combination a first chronological movement including an alarm mechanism, a second chronological movement including an alarm mechanism and means for joining said first and second chronological movements for initiating operation of the second chronological movements and thereafter initiation of the alarm mechanism thereof while stopping the alarm mechanism of said first chronological movement.
Claim 2
Dependent Claim
58 words
An alarm device comprising in combination a first chronological movement including an alarm mechanism, a second chronological movement including an alarm mechanism and means for joining said first and second chronological movements for initiating operation of the second chronological movements and thereafter initiation of the alarm mechanism thereof while stopping the alarm mechanism of said first chronological movement.
Claim 3
Dependent Claim
63 words
A device as defined in claim 1, wherein the means for joining said first and second chronological movement comprises a spring arm fixed at one end and provided with a detent movable into and out of contact with the second chronological movement at the other end and means for biasing said spring into engagement with the alarm mechanism of said first chronological movement.
Claim 4
Dependent Claim
79 words
A device as defined in claim 2 wherein the first chronological movement includes an alarm release mechanism provided with a groove and an hour wheel provided with a cam adapted to project into said groove, the second chronological movement includes a balance wheel, said means for joining the first and second chronological movements comprises a spring arm adapted to bear against said hour wheel and being movable into and out of contact with said balance wheel by said cam.
Claim 5
Dependent Claim
21 words
A device as defined in claim 1 including means for initiating the second chronological movement independently of said first chronological movement.
Claim 6
Dependent Claim
68 words
A device as defined in claim 4 wherein the means for initiating the second chronological movement independently of the first chronological movement is a slide located in the housing of the second chronological movement and which has a switching pin located internally of said housing and movable into and out of contact with the means for initiating operation of the second chronological movement and the alarm system thereof.
Claim 7
Dependent Claim
24 words
A device as defined in claim 1 wherein the first chronologicaL movement is an alarm clock and the second chronological movement is a microchronometer.
Claim 8
Dependent Claim
17 words
A device as defined in claim 6 wherein the microchronometer is independently operable from the alarm clock.
Claim 9
Dependent Claim
15 words
A device as defined in claim 6 wherein the microchronometer includes a rotatable time scale.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |