| 摘要 |
A heating vent is disclosed in which a T-shaped housing of light weight sheet metal is inserted in the plastic vent hose of an electric clothes dryer to provide passages through which the dryer is vented either outdoors through the vent hose or indoors through a sock-like filter having its open end stretched over the lateral outlet of the housing according to whether a pivoted valve member in the housing is in its summer or winter position.
|
