Patent ID: 9494234
Filing Date: 2016-11-15
CPC Classification: B62D,F16J,F16K,Y10T

Claim Text:
1. A hole plug comprising: a housing capable of internally accumulating water that has entered through a water entry port; an engagement section that is provided at the housing, that is inserted through an opening hole formed in a floor panel of an attached-to member, that engages with a peripheral edge portion of the opening hole; a water discharge port that is formed in the housing to discharge water that has accumulated inside the housing; a shaft bearing portion formed at a location on the housing positioned above an uppermost peripheral edge portion of the opening hole; a valve body that includes a shaft portion axially supported by the shaft bearing portion so as to be capable of rotating, and that is capable of swinging between an open position opening the water discharge port and a closed position closing off the water discharge port; and a biasing member that is provided at the shaft portion in order to swing the valve body in the closed position direction using biasing force, and to swing the valve body in the open position direction when water pressure inside the housing is greater than the biasing force.