Patent ID: 9695911
Date: 2017-07-04
CPC Classifications: F01M,F16H,F16J,F16L

Claim:
1. An oil seal cap comprising: a body part having a first hole passing therethrough; a port part provided on the body part inside an outer circumferential part of the body part when viewed in the passing-through direction of the first hole, the port part having a second hole passing therethrough and extending in the same direction as the passing-through direction of the first hole; and a plug member configured to block the second hole, the plug member being removably mounted on the port part; wherein: the second hole is opened, through the first hole, toward a side opposed to a side where the port part is provided on the body part; and a surface of at least one of the body part and the port part is provided with a locking part projecting or recessed with respect to the surface.