F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/117, 74/177
F16H 3/02 (2006.01) F16H 3/091 (2006.01)
Patent
CA 1148384
A COMBINATION CREEPER GEAR AND CONTROL SYSTEM FOR A TRANSMISSION Abstract of the Disclosure This invention relates to a combination creeper gear and control system for a transmission having a range selector gear followed by a change speed gear. The combination comprises an engine-driven drive shaft connected through a creeper gear mech- anism to an input shaft which extends into the transmission. The creeper mechanism comprises a drive gear mounted on the drive shaft, a driven gear mounted on the input shaft and a lay shaft aligned parallel to both the drive shaft and the input shaft. The lay shaft has a compound gear mounted on it which includes a first and a second gear. The first gear meshes with the drive gear and the second gear meshes with the driven gear. The combi- nation further includes a synchronizer located between the drive gear and driven gear which is selectively engageable between a direct mode and a creep mode. In the direct mode, the drive shaft is directly connected to the input shaft, while in the creep mode, the drive shaft is connected to the input shaft by way of the compound gear. In order to activate the creeper mechanism, a selector control means is attached which consists of a first and a second shift rod and a locking pin movably posi- tioned between the two shift rods. The first shift rod is associated with the creeper gear mechanism while the second shift rod is associated with the range selector gear within the trans mission. The locking pin controls the movement of the first and second shift rods such that the creep mode cannot be selected when the range selector gear selects a higher speed range, but which can be selected in either a low-speed forward range or a reverse range of said range selector gear.
357337
Benedek Vasile
Huckler Volker D.
Borden Ladner Gervais Llp
Deere & Company
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