Michael R. Blase - Grand Rapids MI Henry J. Rosendall - Grand Rapids MI Gordon W. Goodrich - Grand Rapids MI
Assignee:
Bissell, Inc. - Grand Rapids MI
International Classification:
A47L 700
US Classification:
15321
Abstract:
A liquid extraction surface cleaning apparatus has an upwardly opening recovery tank and a top for the tank which contains a suction fan having a suction inlet opening into the tank. A wand connects to a source of cleaning liquid and has a dispensing and pickup head that deposits liquid on the surface to be cleaned in response to actuation of a control valve and picks up dirty fluid. A water and air separator has an arcuate surface transverse of the flow path of the air and spent liquid which gently separates them into separate streams by diverting the cleaning liquid laterally away from the air stream. A shutoff valve for preventing recovered liquid in the tank from entering the suction fan is mounted in the recovery tank rather than to the suction inlet to avoid dripping dirty liquid onto the floor when the cover is removed. A handle is mounted internal the tank and additionally serves to strengthen the tank sidewalls.
Michael R. Blase - Grand Rapids MI Henry J. Rosendall - Grand Rapids MI Gordon W. Goodrich - Grand Rapids MI
Assignee:
Bissell, Inc. - Grand Rapids MI
International Classification:
A47L 700
US Classification:
15321
Abstract:
A liquid extraction surface cleaning apparatus has an upwardly opening recovery tank and a top for the tank which contains a suction fan having a suction inlet opening into the tank. A wand connects to a source of cleaning liquid and has a dispensing and pickup head that deposits liquid on the surface to be cleaned in response to actuation of a control valve and picks up dirty fluid. A water and air separator has an arcuate surface transverse of the flow path of the air and spent liquid which gently separates them into separate streams by diverting the cleaning liquid laterally away from the air stream. A shutoff valve for preventing recovered liquid in the tank from entering the suction fan is mounted in the recovery tank rather than to the suction inlet to avoid dripping dirty liquid onto the floor when the cover is removed. A handle is mounted internal the tank and additionally serves to strengthen the tank sidewalls.
A pocket is formed on the lower exterior portion of a vacuum cleaner bag, with the pocket having a lip at its upper end which extends substantially across the entire bag width. The pocket functions to receive and store debris manually removed from the floor for later disposal. A removable caddy is provided for holding other desired equipment. The caddy includes a pair of expandable pockets and a rear flap which extends downwardly over the aforementioned lip and into the bag pocket. The caddy hangs freely from the lip and is held in position by the vertically extending vacuum cleaner handle.
Michael R. Blase - Grand Rapids MI Henry J. Rosendall - Grand Rapids MI Gordon W. Goodrich - Grand Rapids MI
Assignee:
Bissell, Inc. - Grand Rapids MI
International Classification:
F16K 3160
US Classification:
251245
Abstract:
A fluid flow control valve according to the invention includes a base, a valve member, a trigger member and attachment means for attaching the trigger member to the valve member. The base includes a generally horizontal throat and a flange having an upwardly facing surface. The valve member has a stem, a flow level establishing member associated with the stem and biasing means for biasing the stem in a direction opposite to that in which the throat extends. The trigger member includes a pin configured to rotate against an inner end portion of the throat, a flange having a downwardly facing surface and an actuating portion. The biasing means acts in a direction through the attachment means to pull the actuating portion downwardly such that the flanges engage in order to retain the pin in the throat. In this manner, the valve may be assembled without the use of fasteners.
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