Patent US3289780A successfully refreshed from Google Patents.
US3289780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-wheeled vehicle driven by electric motor
Assignee: Kysor Industrial Corp
•
Filing: 1965-03-03
•
Granted: 1966-12-06
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 David R Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:55
CPC Classifications
B; B60; B60K; B60K1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
354 words
IN A VEHICLE HAVING A PASSENGER PLATFORM WITH LATERALLY SPACED REAR WHEELS, A FRAME TO WHICH SAID WHEELS ARE CONNECTED AND EXTENDING FORWARDLY OF SAID PLATFORM, AN INVERTED U-SHAPED CROSS PIECE EXTENDING TRANSVERSELY BETWEEN SIDE PORTIONS OF SAID FRAME FORWARDLY OF SAID PLATFORM, A BEARING SLEEVE CONNECTED IN UPWARDLY AND REARWARDLY INCLINED POSITION IN THE MID-SECTION OF SAID CROSS PIECE AND OPENING THERETHROUGH, A YOKE HAVING A HOLLOW SPINDLE PROJECTING FROM ITS TOP AND ROTATABLY RECEIVED IN SAID SLEEVE, MEANS AXIALLY RETAINING SAID SPINDLE IN SAID SLEEVE, A STEERABLE DRIVE WHEEL MOUNTED WTHIN SAID YORK, AN ELECTRIC MOTOR WITH DRIVE CONNECTIONS TO SAID WHEEL MOUNTED ON SAID YOKE, MEANS FORMING A CROSS WALL AND SIDE WALLS CONNECTED TO SAID YORK ABOVE SAID DRIVE WHEEL AND BELOW SAID SPINDLE, A SWITCH OPERATING PLATE HAVING A ROTATABLE SUPPORT ON SAID CROSS WALL COAXIAL WITH SAID SPINDLE, FIRST AND SECOND SWITCHES MOUNTED ON ONE OF SAID SIDE WALLS AND HAVING ACTUATING MEMBERS POSITIONED IN THE PATH OF SWINGING MOTION OF SAID SWITCH PLATE, THE ACTUATING MEMBER OF THE FIRST SWITCH BEING LOCATED TO BE ENGAGED AND ACTUATED FIRST, A THIRD SWITCH MOUNTED ON THE OTHER OF SAID SIDE WALLS AND HAVING AN ACTUATING MEMBER POSITIONED IN THE PATH OF OPPOSITE SWINGING MOTION OF SAID SWITCH PLATE, A STEERING COLUMN CONNECTED TO SAID SPINDLE AND PROJECTING THEREABOVE, A HANDLE BAR ON SAID COLUMN, A CONTROL LEVER PIVOTED ON SAID HANDLE BAR AND HAVING A CONTROL ROD CONNECTED THERETO AND EXTENDING DOWNWARDLY THROUGH SAID COLUMN AND SAID SPINDLE, MEANS CONNECTING THE LOWER END OF SAID CONTROL ROD TO SAID SWITCH PLATE TO ROTATABLY OSCILLATE SAID SWITCH PLATE BY SAID ROD, A RESISTOR AND WARNING SIGNAL CARRIED BY SAID YORK, MEANS FOR SUPPORTING A BATTERY ON SAID FRAME AT THE FORWARD END OF SAID PLATFORM, AND WIRING ADAPTED TO BE CONNECTED TO A BATTERY ON SAID BATTERY SUPPORTING MENS AND CONNECTED TO SAID SWITCHES TO SELECTIVELY CONNECT SAID BATTERY TO SAID MOTOR THROUGH SAID FIRST SWITCH AND SAID RESISTOR TO SAID MOTOR AND THROUGH SAID SECOND SWITCH DIRECTLY TO SAID MOTOR OR TO SAID WARNING SIGNAL THROUGH SAID THIRD SWITCH.
References Cited (Backward Citations)
US2468801A
Cited
FR1005998A
Cited
US2630186A
Cited
US3099326A
Cited
US3213957A
Cited
US3224524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |