US4300117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm device for an odometer
Assignee: Nissan Motor Co Ltd
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Filing: 1979-11-27
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Granted: 1981-11-10
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Expires: 1999-11-27
Abstract
Abstract To an odometer which has two parallel shafts, one being fitted with a plurality of distance-indicating wheels, while the other is fitted with a plurality of carry pinions which actuate said distance-indicating wheels, is fitted an alarm device, which comprises a means for triggering, which rotates together with one of said carry pinions, and an alarm switch, which is actuated by said means for triggering when it reaches a certain predetermined position during its movement together with its carrying pinion.
Inventors
- 👤 Hirokazu Horii
- 👤 Koji Sasai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:50
CPC Classifications
B; B60; B60Q; B60Q9/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
175 words
In a vehicle odometer comprising a frame, two parallel shafts, supported by the frame, a plurality of distance-indicating wheels mounted on one of the shafts, and a plurality of carry pinions mounted on the other shaft, which actuate the distance-indicating wheels, an alarm device including: triggering means which rotates together with one of said carry pinions, said triggering means being integrally formed on a boss part of said carry pinion, a bracket fixed to the frame of the odometer; a leaf spring having one end thereof fixed to said bracket, and a second end thereof having a protruding portion adapted to engage said boss part of said carry pinion and said triggering means by the biasing force of said leaf spring; and a switch means fixed to the bracket, an actuating portion of said switch means extending toward the second end of said leaf spring and adapted to be normally depressed by said leaf spring at all times except when said triggering means engages said protruding portion at the second end of said leaf spring.
Claim 2
Dependent Claim
175 words
In a vehicle odometer comprising a frame, two parallel shafts, supported by the frame, a plurality of distance-indicating wheels mounted on one of the shafts, and a plurality of carry pinions mounted on the other shaft, which actuate the distance-indicating wheels, an alarm device including: triggering means which rotates together with one of said carry pinions, said triggering means being integrally formed on a boss part of said carry pinion, a bracket fixed to the frame of the odometer; a leaf spring having one end thereof fixed to said bracket, and a second end thereof having a protruding portion adapted to engage said boss part of said carry pinion and said triggering means by the biasing force of said leaf spring; and a switch means fixed to the bracket, an actuating portion of said switch means extending toward the second end of said leaf spring and adapted to be normally depressed by said leaf spring at all times except when said triggering means engages said protruding portion at the second end of said leaf spring.
Claim 3
Dependent Claim
12 words
The device of claim 1, wherein said switch means includes a microswitch.
Claim 4
Dependent Claim
72 words
An alarm device of claim 2, further comprising: cancelling switch means connected to said microswitch; an alarm lamp responsive to said microswitch; a battery; a vehicle ignition switch, connected to said cancelling switch means, said ignition switch being set to an "ON" position during normal running and set to a "START" position during vehicle cranking, battery current being thereby supplied to said alarm lamp to check that said alarm lamp is operational.
Claim 5
Dependent Claim
24 words
An alarm device of claim 1 or 3, wherein said triggering means comprises a stepped portion of said boss part of said carry pinion.
Claim 6
Dependent Claim
15 words
An alarm of claim 4, wherein said stepped portion of said boss part is flat.
Claim 7
Dependent Claim
26 words
An alarm device of claim 4, wherein said flat portion of said boss part is established by a cut out portion formed in said boss part.
Claim 8
Dependent Claim
25 words
An alarm device of claim 1 or 3, said boss part being square, and said triggering means comprising a projection extending from said square boss.
Claim 9
Dependent Claim
15 words
An alarm device of claim 2, further comprising an alarm lamp connected to said microswitch.
Claim 10
Dependent Claim
19 words
An alarm device of claim 2, including a cancelling switch and an ignition switch in circuit with said microswitch.
References Cited (Backward Citations)
US1919493A
Cited
US1812576A
Cited
US2578358A
Cited
US2492408A
Cited
US3856195A
Cited
US3925754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-09 | 1985-05-11 | 1985-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-09 | 1989-05-11 | 1989-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-09 | 1993-05-11 | 1993-11-10 | $7700.00 | Window Closed / Lapsed |