Transmission gearbox, preferably for use in a tractor |
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| 申请号 | US3592080D | 申请日 | 1969-05-20 | 公开(公告)号 | US3592080A | 公开(公告)日 | 1971-07-13 |
| 申请人 | JURY PETROVICH SAMATOV; MIKHAIL DAVIDOVICH GOLDIN; EVGENY IVANOVICH TARAKANOV; VLADIMIR VASILIEVICH EMELYANEN; IVAN SAVVATEEVICH KAVIAROV; VLADIMIR SERGEEVICH MALCHIKOV; | 发明人 | SAMATOV JURY PETROVICH; GOLDIN MIKHAIL DAVIDOVICH; TARAKANOV EVGENY IVANOVICH; EMELYANENKO VLADIMIR VASILIEVI; KAVIAROV IVAN SAVVATEEVICH; MALCHIKOV VLADIMIR SEGEEVICH; | ||||
| 摘要 | A transmission gearbox, for use with a tractor or the like comprising a housing, an input shaft located within the housing and being provided with a driving member and a driven member, a coupling element connecting the driving and driven members, layshafts located within the housing, continually mesh in gears operatively communicating with the input shaft and layshafts for transmitting torque from the input shafts and layshafts, friction clutches causing the continually mesh gears to communicate with the layshafts, output shafts are lined with the layshafts, and reversing coupling gears into locking when a forward speed is provided by the gearbox and for connecting the output shaft to the layshaft when a reverse speed is provided. | ||||||
| 权利要求 | 1. A transmission gearbox capable of providing a plurality of forward and reverse speeds for use with a tractor or the like comprising a housing, an input shaft located within said housing and being provided with a driving member and a driven member, a coupling element connecting said driving member to said driven member, layshafts located within said housing, continually meshing gears operatively communicating with said input shaft and said layshafts for transmitting torque from said input shaft to said layshafts, friction clutches causing said continually meshing gears to communicate with said layshafts, output shafts aligned with said layshafts, and reversing coupling gears interlocking when a forward speed is provided by said gearbox and for connectinG said output shafts to said layshafts when a reverse speed is provided. 2. A transmission gearbox as set forth in claim 1, wherein said driving and driven members of said input shaft are hollow and said coupling element is a torsion bar, and said reversing coupling gears is provided with epicyclic reducing gears having friction clutches. 3. A transmission gearbox as claimed in claim 2, including band brake means, said epicyclic reducing gears having a driven member rigidly coupled to said brake means. 4. A transmission gearbox as claimed in claim 2, including an auxiliary reducing gear unit having driving and driven members, a torsion bar for coupling said driving members of said input shaft and said auxiliary reducing gear unit, the driven members of said reducing gear unit being operatively connected with the driven member of said input shaft. 5. A transmission gearbox as claimed in claim 4, including band brake means, said epicyclic reducing gears having a driven member rigidly coupled to said brake means. 6. A transmission gearbox as claimed in claim 1, including an auxiliary reducing gear unit having driving and driven members, a torsion bar for coupling said driving members of said input shaft and said auxiliary reducing gear unit, the driven members of said reducing gear unit being operatively connected with the driven member of said input shaft. 7. A transmission gearbox as claimed in claim 6, including band brake means, said epicyclic reducing gears having a driven member rigidly coupled to said brake means. 8. A transmission gearbox as claimed in claim 6, wherein said reducing gear unit is either stepdown or a step-up. |
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