Importance

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Abstract

A lubricant draining device for draining a lubricant from a closed mechanical section provided in a machine structure such as a robot, a machine tool and an injection molding machine. The lubricant draining device includes a wall defining the mechanical section, the wall including a drain port communicated with an interior space of the mechanical section while permitting a lubricant to flow therethrough; a tube connected at a proximal end thereof to the drain port and permitting a lubricant to flow therethrough; a blocking member blocking a flow of a lubricant through the tube in a releasable manner; and a retaining section retaining the tube at a location adjacent to the wall with the tube being kept connecting with the drain port. The retaining section may include a chamber, provided on the wall, for accommodating the tube in its entirety with the tube being removable from the chamber. The chamber may be provided with a detachable cover.

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First Claim