Patent ID: 8858380
Filing Date: 2014-10-14
Classification: F16H,Y10T

Abstract:
1. A speed reduction device that includes front and rear stage speed reduction mechanisms, the speed reduction device comprising: a connecting shaft that connects the front stage speed reduction mechanism to the rear stage speed reduction mechanism; a first bearing that is configured to support the connecting shaft; a second bearing configured to support the connecting shaft on a rear stage mechanism side; an oil supply port that is disposed between the first bearing and the second bearing, the oil supply port penetrating a casing of the speed reduction device; and a communication passage configured to connect a first receiving section to a second receiving section of the speed reduction device, wherein the first receiving section is closer to the front stage speed reduction mechanism than the second bearing in a casing of the speed reduction device, wherein the second receiving section is closer to the rear stage speed reduction mechanism than the second bearing, and wherein a plurality of through be used as the oil supply port are disposed in the casing between the first bearing and the second bearing, the plurality of through holes having intervals therebetween in the circumferential direction.