PURPOSE: To eliminate the generation of chatter noise due to the intermittent contact between a sealed oil tank and a tank guide by a method wherein a sealed oil tank is inclined continuously with constant angle, and a part of the sealed oil tank is continuously contacted with a tank guide.
CONSTITUTION: When a sealed oil tank 11 is inserted in an oil receiving pan 12 along tank guides 14, 14a, as a tank receiver 13 is provided with a protrusion 13b having a thick section part correspond to the location of the corner A side of the tank guide 14, the oil tank 11 is inclined with constant angle and arranged under the contacted condition with the corner B part of the tank guide 14b. Therefore, the generation of chatter noise due to the intermittent contact between the sealed tank 11 and the tank guides 14a, 14b can be eliminated for the horizontal vibration in every direction.
TOMIOKA MITSUHARU
TASHIRO TAKESHI
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