TRANSMISSION DEVICE AND WORK VEHICLE

To reduce a possibility that air in a transmission case might be suctioned through a suction port and to enable a drive force of front wheels to be extracted while securing high strength of the transmission case.SOLUTION: A transmission device includes: a power transmission part configured to transm...

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Bibliographische Detailangaben
Hauptverfasser:	MOTOOKA AKIRA, IWAKI KOJI, YOSHIOKA TERUNOBU, EGAWA FUMIHIRO, MORISHITA TAKESHI, YAMAMOTO NAOKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To reduce a possibility that air in a transmission case might be suctioned through a suction port and to enable a drive force of front wheels to be extracted while securing high strength of the transmission case.SOLUTION: A transmission device includes: a power transmission part configured to transmit rotational power of an engine to rear wheels; a transmission case which houses the power transmission part; a suction port provided at the transmission case; and a front wheel drive force extraction shaft part located below the power transmission part. The transmission case has: a body bottom surface part; and an expansion part which is positioned extending forward from the body bottom surface part and recessed downward. The suction port and the front wheel drive force extraction shaft part are provided at the expansion part.SELECTED DRAWING: Figure 2 【課題】サクションポートを介してトランスミッションケース内の空気が吸い込まれるおそれを低減する。トランスミッションケースに高い強度を確保しながら前輪の駆動力を取り出すことを可能にする。【解決手段】トランスミッション装置は、エンジンの回転動力を後輪に伝達する動力伝達部と、動力伝達部を収容するトランスミッションケースと、トランスミッションケースに設けられるサクションポートと、動力伝達部の下方に位置する前輪駆動力取出軸部と、を備える。トランスミッションケースは、本体底面部と、本体底面部から前方に延びて位置するとともに、下方に窪む膨出部と、を有する。サクションポートおよび前輪駆動力取出軸部は、膨出部に設けられる。【選択図】図２