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US3704758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf cart
Assignee: Individual
•
Filing: 1970-05-18
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Granted: 1972-12-05
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Expires: 1990-05-18
Abstract
Abstract The disclosure shows a vehicle suitable for carrying golf bags. The vehicle has two motor driven wheels, having permanent field motors connected in series so that in turning, one wheel can slow up or stop while the other wheel continues to rotate and thus drive the vehicle. The armature of one motor, while rotating, limits the current through the stalled motor so that the stalled motor does not overheat. The vehicle has self-contained multicelled batteries which are connected to the motors through a tap changing switch on the handle. The vehicle has a third wheel which supports the back of the vehicle and the operator can hold onto the handle and thereby be pulled along.
Inventors
- 👤 David Cropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:43
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/02; B60; B60L; B60L50/00; B60L50/50; B60L50/52; B60L50/60; B60L50/64; B62B5/00; B62B5/0026; H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/249; B60L2200/00; B60L2200/30; B62B2202/00; B62B2202/40; B62B2202/404; B62B5/0033; B62B5/0036; B62B5/004; B62B5/0053; H01H; H01H9/00; H01H9/02; H01H9/06; H01H2009/068; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y10; Y10S; Y10S280/00; Y10S280/05
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
134 words
A vehicle comprising a frame, AT LEAST TWO SUPPORT ENGAGING WHEELS, AT LEAST TWO ELECTRIC MOTORS, EACH SAID MOTOR BEING CONNECTED TO A SAID WHEEL, MEANS ELECTRICALLY CONNECTING THE ARMATURES OF SAID MOTORS IN SERIES WITH EACH OTHER AND IN SERIES WITH A POWER SUPPLY, AND SPEED CONTROL MEANS FOR CONTROLLING THE SPEED OF SAID MOTORS, SAID POWER SUPPLY COMPRISES AT LEAST ONE STORAGE BATTERY, AND MEANS SUPPORTING SAID BATTERY ON SAID FRAME, SAID VEHICLE HAVING AT LEAST ONE CASTER WHEEL FOR SUPPORTING A PART OF THE WEIGHT OF SAID FRAME AND SAID BATTERIES, SAID VEHICLE HAVING A HANDLE SWINGABLY ATTACHED THERETO, AND A HAND ENGAGING GRIP ATTACHED TO SAID HANDLE, AND MEANS FOR SUPPORTING A GOLF BAG MOUNTED ON SAID HANDLE, AND MEANS ON SAID GRIP FOR CONTROLLING THE SPEED OF SAID MOTORS.
Claim 2
Dependent Claim
134 words
A vehicle comprising a frame, AT LEAST TWO SUPPORT ENGAGING WHEELS, AT LEAST TWO ELECTRIC MOTORS, EACH SAID MOTOR BEING CONNECTED TO A SAID WHEEL, MEANS ELECTRICALLY CONNECTING THE ARMATURES OF SAID MOTORS IN SERIES WITH EACH OTHER AND IN SERIES WITH A POWER SUPPLY, AND SPEED CONTROL MEANS FOR CONTROLLING THE SPEED OF SAID MOTORS, SAID POWER SUPPLY COMPRISES AT LEAST ONE STORAGE BATTERY, AND MEANS SUPPORTING SAID BATTERY ON SAID FRAME, SAID VEHICLE HAVING AT LEAST ONE CASTER WHEEL FOR SUPPORTING A PART OF THE WEIGHT OF SAID FRAME AND SAID BATTERIES, SAID VEHICLE HAVING A HANDLE SWINGABLY ATTACHED THERETO, AND A HAND ENGAGING GRIP ATTACHED TO SAID HANDLE, AND MEANS FOR SUPPORTING A GOLF BAG MOUNTED ON SAID HANDLE, AND MEANS ON SAID GRIP FOR CONTROLLING THE SPEED OF SAID MOTORS.
Claim 3
Dependent Claim
56 words
The vehicle recited in claim 1 wherein a selector switch is provided on said vehicle connecting said battery to said motor, and said grip is connected to said selector switch whereby said grip can be moved for connecting different terminals of said battery to said motors whereby the voltage applied to said motor can be changed.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |