Patent US3849664A successfully refreshed from Google Patents.
US3849664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle wiring adaptor
Assignee: Individual
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Filing: 1973-11-08
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Granted: 1974-11-19
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Expires: 1993-11-08
Abstract
Abstract The present invention relates to an adaptor for overcoming the incompatability between the turn/brake wiring circuitry of certain American and foreign-designed vehicles, particularly when the foreign vehicle is connected to the American vehicle and is being towed thereby, and the said turn/brake circuits of the two vehicles are interconnected so that use of brakes or turn signals on the tow vehicle causes the turn and brake lamps of the trailer vehicle to light up in the correct manner. This invention accomplishes this result by providing electrical paths that send the turn signals only to the turn lamps; and send the brake signals to the brake lamps and to those turn lamps that are not being used at the moment.
Inventors
- 👤 R Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:17
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
279 words
An adaptor for causing the American-type turn/brake circuit of a first road vehicle to selectively energize turn lamps and brake lamps of the turn/brake circuit of a second, foreign-type vehicle, said first vehicle having independent first and second composite turn/brake lamps, said second vehicle having independent first and second turn lamps and at least one independent brake lamp, said adaptor including connecting means and comprising: means for providing a first electrical connection between said first composite turn/brake lamp of said first vehicle and said first independent turn lamp of said second vehicle; whereby said first turn lamp of said second vehicle is adapted to function as either a turn lamp or a brake lamp, depending upon the electrical signal present at said first composite turn/brake lamp of said first vehicle; means for providing a second electrical connection between said second composite turn/brake lamp of said first vehicle and said second independent turn lamp of said second vehicle; whereby said second turn lamp of said second vehicle is adapted to function as either a turn lamp or a brake lamp, depending upon the electrical signal present at said second composite turn/brake lamp of said first vehicle; means, comprising a first switch, for providing a third electrical connection between said first composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; means, comprising a second switch, for providing a fourth electrical connection between said second composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; whereby said brake lamp of said second vehicle is adapted to function as a brake lamp when permitted by the state of said switches.
Claim 2
Dependent Claim
279 words
An adaptor for causing the American-type turn/brake circuit of a first road vehicle to selectively energize turn lamps and brake lamps of the turn/brake circuit of a second, foreign-type vehicle, said first vehicle having independent first and second composite turn/brake lamps, said second vehicle having independent first and second turn lamps and at least one independent brake lamp, said adaptor including connecting means and comprising: means for providing a first electrical connection between said first composite turn/brake lamp of said first vehicle and said first independent turn lamp of said second vehicle; whereby said first turn lamp of said second vehicle is adapted to function as either a turn lamp or a brake lamp, depending upon the electrical signal present at said first composite turn/brake lamp of said first vehicle; means for providing a second electrical connection between said second composite turn/brake lamp of said first vehicle and said second independent turn lamp of said second vehicle; whereby said second turn lamp of said second vehicle is adapted to function as either a turn lamp or a brake lamp, depending upon the electrical signal present at said second composite turn/brake lamp of said first vehicle; means, comprising a first switch, for providing a third electrical connection between said first composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; means, comprising a second switch, for providing a fourth electrical connection between said second composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; whereby said brake lamp of said second vehicle is adapted to function as a brake lamp when permitted by the state of said switches.
Claim 3
Dependent Claim
115 words
The invention of claim 1 wherein said first and second switches comprise respective first and second Silicon Control Rectifiers, each said SCR having an anode and a trigger electrode; said anode of said first SCR adapted to be electrically connected to said first composite turn/brake lamp of said first vehicle, said trigger electrode of said first SCR adapted to be electrically connected to said second composite turn/brake lamp of said first vehicle; said anode of said second SCR adapted to be electrically connected to said second composite turn/brake lamp of said first vehicle, said trigger electrode of said second SCR adapted to be electrically connected to said first composite turn/brake lamp of said first vehicle.
Claim 4
Dependent Claim
23 words
The invention of claim 2 wherein said SCRs comprise cathodes adapted to be electrically connected to said brake lamp of said second vehicle.
Claim 5
Dependent Claim
31 words
The invention of claim 2 wherein wherein the last two mentioned means include respective coupling resistors adapted to be connected between said trigger electrodes of said SCRs and respective turn/brake lamps.
Claim 6
Dependent Claim
26 words
The invention of claim 3 wherein the last two mentioned means includes respective capacitor means for integrating the charges on said trigger electrodes of said SCRs.
Claim 7
Dependent Claim
29 words
The invention of claim 3 wherein the last two mentioned means includes leakage resistor means for preventing excessive electrical charges from accumulating on said trigger electrodes of said SCRs.
Claim 8
Dependent Claim
41 words
The invention of claim 3 wherein the last two mentioned means includes respective R/C timing circuit means, electrically connected to said trigger electrodes of said SCRs, for providing an optimal charge to be maintained on said trigger electrodes of said SCRs.
Claim 9
Dependent Claim
27 words
The invention of claim 3 wherein said connecting means includes connection means for interconnecting running lamps of said first vehicle with running lamps of said second vehicle.
Claim 10
Dependent Claim
23 words
The invention of claim 3 wherein said connecting means includes grounding means for establishing a common ground for said vehicles and said adaptor.
Claim 11
Dependent Claim
445 words
An adaptor for causing an American-type turn/brake circuit of a first road vehicle to selectively energize turn lamps and brake lamps of the foreign turn/brake circuit of a second road vehicle, said first vehicle having independent first and second composite turn/brake lamps, said second vehicle having independent first and second turn lamps and at least one independent brake lamp, said adaptor comprising: means for providing a first electrical connection between said first composite turn/brake lamp of said first vehicle and said first independent turn lamp of said second vehicle; whereby said first turn lamp of said second vehicle is adapted to function as either a turn or brake lamp, depending upon the electrical signal present at said first composite turn/brake lamp of said first vehicle; means for providing a second electrical connection between said second composite turn/brake lamp of said first vehicle and said second independent turn lamp of said second vehicle; whereby said second turn lamp of said second vehicle is adapted to function as either a turn or brake lamp, depending upon the electrical signal present at said second composite turn/brake lamp of said first vehicle; means, comprising a first Silicon Control Rectifier, for providing a third electrical connection between said first composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; means, comprising a second Silicon Control Rectifier, for providing a fourth electrical connection between said second composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; each said SCR having an anode and a cathode and a trigger electrode; said anode of said first SCR adapted to be electrically connected to said first composite turn/brake lamp of said first vehicle, said trigger electrode of said first SCR adapted to be electrically connected to said second composite turn/brake lamp of said first vehicle; said anode of said second SCR adapted to be electrically connected to said second composite turn/brake lamp of said first vehicle, said trigger electrode of said second SCR adapted to be electrically connected to said first composite turn/brake lamp of said first vehicle; said cathodes adapted to be electrically connected to said brake lamp of said second vehicle; respective coupling resistors connected to said trigger electrodes of said SCRs and adapted to be connected to respective turn/brake lamps; respective R/C timing circuit means, electrically connected to said trigger electrodes of said SCRs, for providing an optimal charge to be maintained on said trigger electrodes of said SCRs; connection means for interconnecting running lamps of said first vehicle with running lamps of said second vehicle; grounding means for establishing a common ground for said vehicle and said adaptor.
Claim 12
Dependent Claim
445 words
An adaptor for causing an American-type turn/brake circuit of a first road vehicle to selectively energize turn lamps and brake lamps of the foreign turn/brake circuit of a second road vehicle, said first vehicle having independent first and second composite turn/brake lamps, said second vehicle having independent first and second turn lamps and at least one independent brake lamp, said adaptor comprising: means for providing a first electrical connection between said first composite turn/brake lamp of said first vehicle and said first independent turn lamp of said second vehicle; whereby said first turn lamp of said second vehicle is adapted to function as either a turn or brake lamp, depending upon the electrical signal present at said first composite turn/brake lamp of said first vehicle; means for providing a second electrical connection between said second composite turn/brake lamp of said first vehicle and said second independent turn lamp of said second vehicle; whereby said second turn lamp of said second vehicle is adapted to function as either a turn or brake lamp, depending upon the electrical signal present at said second composite turn/brake lamp of said first vehicle; means, comprising a first Silicon Control Rectifier, for providing a third electrical connection between said first composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; means, comprising a second Silicon Control Rectifier, for providing a fourth electrical connection between said second composite turn/brake lamp of said first vehicle and said independent brake lamp of said second vehicle; each said SCR having an anode and a cathode and a trigger electrode; said anode of said first SCR adapted to be electrically connected to said first composite turn/brake lamp of said first vehicle, said trigger electrode of said first SCR adapted to be electrically connected to said second composite turn/brake lamp of said first vehicle; said anode of said second SCR adapted to be electrically connected to said second composite turn/brake lamp of said first vehicle, said trigger electrode of said second SCR adapted to be electrically connected to said first composite turn/brake lamp of said first vehicle; said cathodes adapted to be electrically connected to said brake lamp of said second vehicle; respective coupling resistors connected to said trigger electrodes of said SCRs and adapted to be connected to respective turn/brake lamps; respective R/C timing circuit means, electrically connected to said trigger electrodes of said SCRs, for providing an optimal charge to be maintained on said trigger electrodes of said SCRs; connection means for interconnecting running lamps of said first vehicle with running lamps of said second vehicle; grounding means for establishing a common ground for said vehicle and said adaptor.
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |