Patent US2570322A successfully refreshed from Google Patents.
US3659260A
Expired / Lapsed
US
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Vehicle warning light device
Assignee: Individual
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Filing: 1970-09-30
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Granted: 1972-04-25
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Expires: 1990-09-30
Abstract
Abstract A vehicle warning light device in which the accelerator pedal is coupled through a fork and roller linkage to a dashpot controlled switch to light an amber warning light for a period of time following sudden release of the accelerator pedal.
Inventors
- 👤 Joseph A St Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:44
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/26; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/44; B60Q1/441
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A vehicle warning liGht device, comprising in combination, a link rod connected at one end to a pivotable portion of an accelerator pedal of an automotive vehicle, said link rod being attached pivotally free to an intermediate portion of a rod pivotable at its one end about a pin stationarily secured to said vehicle, an opposite end of said rod being provided with a roller carried slideably free within a fork of a first arm which at its opposite end is connected pivotally free to an intermediate portion of a contact arm pivotable about its one end, the opposite end of said contact arm being provided with an electrical contact engageable with a contact on a second contact arm that is likewise pivotable about a fulcrum pin stationarily mounted upon said vehicle and about which the first contact arm is pivotable, said second contact arm being integral with a bellcrank connected to one end of a piston rod which at its opposite end is connected to a piston slidable within a pneumatic cylinder, said cylinder at its one end being provided with an air intake port and an air escape port, and the first said contact arm being integral with a foot urged by a compression spring so that said fork follows said roller, said contact arms being normally urged apart by means of a light compression spring therebetween.
Claim 2
Dependent Claim
229 words
A vehicle warning liGht device, comprising in combination, a link rod connected at one end to a pivotable portion of an accelerator pedal of an automotive vehicle, said link rod being attached pivotally free to an intermediate portion of a rod pivotable at its one end about a pin stationarily secured to said vehicle, an opposite end of said rod being provided with a roller carried slideably free within a fork of a first arm which at its opposite end is connected pivotally free to an intermediate portion of a contact arm pivotable about its one end, the opposite end of said contact arm being provided with an electrical contact engageable with a contact on a second contact arm that is likewise pivotable about a fulcrum pin stationarily mounted upon said vehicle and about which the first contact arm is pivotable, said second contact arm being integral with a bellcrank connected to one end of a piston rod which at its opposite end is connected to a piston slidable within a pneumatic cylinder, said cylinder at its one end being provided with an air intake port and an air escape port, and the first said contact arm being integral with a foot urged by a compression spring so that said fork follows said roller, said contact arms being normally urged apart by means of a light compression spring therebetween.
References Cited (Backward Citations)
US2219351A
Cited
US3359540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-25 | 1975-10-25 | 1976-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-25 | 1979-10-25 | 1980-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-25 | 1983-10-25 | 1984-04-25 | $7700.00 | Window Closed / Lapsed |