US3956945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving transmissions for motor vehicles
Assignee: COUNTY TRACTORS Ltd
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Filing: 1974-02-28
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Granted: 1976-05-18
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Expires: 1994-02-28
Abstract
Abstract A driving transmission has two half shafts connected to a pair of land wheels driven by a differential gear mechanism connected to the half shafts, and a differential lock coaxial with one of the half shafts and drivingly connectable with the differential carrier. The differential lock is separated from the differential carrier by a hollow shaft encircling said one half shaft, and the hollow shaft is adapted to be driven by the differential carrier and drivingly connectable with the differential lock. Drive means are also provided in driving relation between the hollow shaft and a second pair of land wheels.
Inventors
- 👤 Geoffrey Donald Eggleton
- 👤 Richard Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:12
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/30; B; B60; B60K; B60K17/00; B60K17/34; B60K17/344; F16H48/06; F16H48/08; F16H48/24; F16H2048/082; F16H2048/305; F16H48/38; F16H48/42; F16H2048/423; F16H2048/426
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
145 words
A driving transmission having two half shafts connected to a pair of land wheels driven by a differential gear mechanism connected to the half shafts, and a differential lock coaxial with one of the half shafts and drivingly connectable with the differential carrier, wherein the differential lock is separated from the differential carrier by a hollow shaft encircling said one half shaft, which hollow shaft is adapted to be driven by the differential carrier and drivingly connectable with the differential lock, there being provided drive means in driving relation between the hollow shaft and a second pair of land wheels, and wherein the differential lock is carried by a first sleeve joined to a second sleeve mounted on said one half shaft, by a third sleeve, said third sleeve being encircled by the hollow shaft transmitting the drive to the second pair of land wheels.
Claim 2
Dependent Claim
145 words
A driving transmission having two half shafts connected to a pair of land wheels driven by a differential gear mechanism connected to the half shafts, and a differential lock coaxial with one of the half shafts and drivingly connectable with the differential carrier, wherein the differential lock is separated from the differential carrier by a hollow shaft encircling said one half shaft, which hollow shaft is adapted to be driven by the differential carrier and drivingly connectable with the differential lock, there being provided drive means in driving relation between the hollow shaft and a second pair of land wheels, and wherein the differential lock is carried by a first sleeve joined to a second sleeve mounted on said one half shaft, by a third sleeve, said third sleeve being encircled by the hollow shaft transmitting the drive to the second pair of land wheels.
Claim 3
Dependent Claim
11 words
A vehicle having a driving transmission as claimed in claim 1.
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) | 1979-05-18 | 1979-11-17 | 1980-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-18 | 1983-11-17 | 1984-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-18 | 1987-11-17 | 1988-05-18 | $7700.00 | Window Closed / Lapsed |