Patent ID: 8814993
Filing Date: 2014-08-26
Classification: F21S,H05K

Abstract:
1. A vent structure comprising: a housing provided with an opening having a tapered surface whose diameter increases from an interior space of the housing toward an exterior space thereof; a vent member including: a support body fitted into the opening and having a vent passage opening into the internal space; a waterproof gas-permeable membrane that closes the vent passage; and a cover that covers the waterproof gas-permeable membrane; and a seal member that seals a gap between the housing and the support body around the vent passage, wherein the support body is provided with a through-hole constituting the vent passage, and has: a base portion to which the waterproof gas-permeable membrane is bonded; a tubular stem portion fitted with the seal member and extending from the base portion so as to be engaged with an inside surface of the housing; and a pressing portion that presses the seal member against the tapered surface in the opening.