Hako Minuteman, Inc.

Grace D Labrador

Gary E Palmer

Jerome E Rau

An adapter, mounted on the cylindrical sidewall of the vacuum cleaner tank, provides a receptacle for a rigid connector on which a flexible vacuum hose is sealingly mounted. The leading edge of the connector insert is beveled. A corresponding beveled surface is formed on the inner wall of the receptacle to engage and seal with the beveled leading edge of the connector to form a continuous, peripheral seal immediately adjacent to the wall of the tank so that when the vacuum motor is turned on, a positive force is generated to increase the effectiveness of the seal.

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Bolingbrook, IL, United States of America

Grace D Labrador