Vent-regulating Means Patents (Class 401/276)
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Patent number: 11246467Abstract: A cleaner includes a nozzle assembly, a cleaner body coupled to the nozzle assembly, and a water cleaning device coupled to the nozzle assembly. The water cleaning device includes a water tank that is configured to hold a cloth and that defines a water storage area and an air hole, and a control device that is configured to open or close the air hole and that includes a movable member located outside of the water storage area and configured to move between a first position and a second position to open or close the air hole.Type: GrantFiled: February 4, 2020Date of Patent: February 15, 2022Assignee: LG Electronics Inc.Inventors: Philjae Hwang, Mantae Hwang, Jungbae Hwang
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Patent number: 10779636Abstract: A twisted wire grill brush is provided, including at least one handle having an extension direction, a first brush provided at an end of the at least one handle, a second brush provided at the end of the at least one handle and arranged substantially parallel with respect to the first brush, and a third brush provided at the end of the at least one handle and arranged substantially perpendicular with respect to the extension direction of the at least one handle.Type: GrantFiled: March 7, 2018Date of Patent: September 22, 2020Assignee: Brushtech, Inc.Inventor: Zaven Gunjian
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Patent number: 8721212Abstract: A cosmetic pen includes a pen tube, a liquid storage core received in the pen tube, and an applicator disposed to a front portion of the pen tube. The applicator includes a metal sleeve connected to the liquid storage core and a brush received in the sleeve. The brush includes a front end projecting out of a lower end of the sleeve and a rear end positioned on an upper end of the sleeve. The sleeve includes an air slot having front and rear sections. The rear section of the air slot of the sleeve is disposed inside the liquid storage core so that the cosmetic liquid stored inside the liquid storage core can be penetrated through the air slot into the brush. The front section of the air slot of the sleeve is located outside the liquid storage core for introducing air.Type: GrantFiled: June 13, 2011Date of Patent: May 13, 2014Inventor: Yu-Hsing Chou
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Patent number: 8430589Abstract: An oral hygiene tool comprises a tubular body comprising a main body tube having a first locking means, a brush section having multiple bristles and a first opening, and an end cap having a threaded pole, a turn cap and a second locking means to mate with the first locking means, to provide a lock there between. The main body tube is configured for storing a dentifrice. The tool further includes an internally threaded bob to mate with the threaded pole. The end cap is assembled with the tubular body by locking the first and the second locking means. Turning the turn cap causes the bob to move in a direction along the threaded pole causing the dentifrice to be released from the first opening.Type: GrantFiled: August 8, 2008Date of Patent: April 30, 2013Inventor: Robert M. Schneider
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Publication number: 20120315078Abstract: A cosmetic pen includes a pen tube, a liquid storage core received in the pen tube, and an applicator disposed to a front portion of the pen tube. The applicator includes a metal sleeve connected to the liquid storage core and a brush received in the sleeve. The brush includes a front end projecting out of a lower end of the sleeve and a rear end positioned on an upper end of the sleeve. The sleeve includes an air slot having front and rear sections. The rear section of the air slot of the sleeve is disposed inside the liquid storage core so that the cosmetic liquid stored inside the liquid storage core can be penetrated through the air slot into the brush. The front section of the air slot of the sleeve is located outside the liquid storage core for introducing air.Type: ApplicationFiled: June 13, 2011Publication date: December 13, 2012Inventor: Yu-Hsing Chou
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Patent number: 8210765Abstract: A brush having a body with scrubbing means (6), a compartment for washing liquid and a channelling means (18) is provided. The brush has first (12) and second apertures for fluid communication between surfaces of the brush and the compartment The brush is particularly suitable for cleaning of non-horizontal surfaces.Type: GrantFiled: April 24, 2006Date of Patent: July 3, 2012Assignee: Danbrush Aps.Inventor: Søren J. Larsen
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Patent number: 8118766Abstract: Skin antiseptic composition dispensers and methods of use are disclosed. The skin antiseptic composition dispenser may include a container with one or more walls that are substantially impermeable to ethylene oxide gas during normal ethylene oxide sterilization processes. In some embodiments, the container may include flexible walls free of metallic foil barrier layers. The containers may also include one or more vents in addition to one or more openings used to dispense the skin antiseptic composition within the container. The dispenser may include an applicator with a hydrophilic foam.Type: GrantFiled: August 9, 2007Date of Patent: February 21, 2012Assignee: 3M Innovative Properties CompanyInventors: Robert A. Davis, Matthew T. Scholz, Triet M. Lu
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Publication number: 20110135380Abstract: A grill brush having a brush handle with a handle end and a brush end, the brush head having a fluid reservoir, a brush handle conduit and a valve located therein; a reservoir cap removeably attached to the handle end of the brush handle; the valve being in fluid communication with the reservoir; the brush handle conduit being in fluid communication with the valve; a brush head; a bristle holding member; a brush bristle surface located on the bristle holding member; a brush head conduit located in the brush head, and in fluid communication with the brush handle conduit; a plurality of groups of bristles emanating from the brush bristle surface; a plurality of orifices located on the brush bristle surface, and in communication with the brush head conduit; and a scraper is provided herein.Type: ApplicationFiled: February 17, 2011Publication date: June 9, 2011Inventor: Michael Wales
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Publication number: 20080107476Abstract: A tube type liquid cosmetics case having an opening is formed on the upper part of the tube type case, an upper body having a brush, coupled on the opening and double coupled with a cap, an inner single jaw ring formed on the inside upper part of the case, the opening formed plurals of moving insert grooves on the peripherals thereof, the tube type case involving a check valve formed an insert hole on a side, a solution transfer tube is coupled on upper part of the tube type case and a brush is insert coupled in the solution transfer tube, an insert part and plurals of moving insert pieces are formed on lower part of inside center of the solution transfer tube, the external thread parts are formed on outside lower peripherals while, an eject hole formed a divide hole and sealing jaw ring is inserted in the inserting part which formed on the lower part of the solution transfer tube, the upper body is insert coupled on inside of the opening, a cap which formed an internal threaded part is threaded couple on theType: ApplicationFiled: November 17, 2006Publication date: May 8, 2008Inventor: Young-Kwang Byun
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Patent number: 7329064Abstract: A liquid cosmetic case includes a discharger (20) which discharges and seals liquid cosmetic by having a brush (30) at the upper side of a tube-shaped container (10), a supporting cap (50) and a cap (60) by forming a non-return valve (40) at one side of the upper part of the tube-shaped container (10). When used, if the tube-shaped container (10) is pressed, only a necessary amount of liquid cosmetic is discharged through the discharger (10) for easy use, and if the press is released by the non-return valve (40) formed at one side of the tube-shaped container (10), as the valve hole (41) formed at the non-return valve (40) is opened and closed, the air flows into the tube-shaped container (10) or the air is blocked, so that the contraction and the restoration of the tube-shaped container (10) can be done easily, making the repeated presses of the tube-shaped container (10) easy and the use of liquid cosmetic easy.Type: GrantFiled: March 21, 2006Date of Patent: February 12, 2008Inventor: Young-Kwang Byun
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Patent number: 7261701Abstract: Skin antiseptic composition dispensers and methods of use are disclosed. The skin antiseptic composition dispenser may include a container with one or more walls that are substantially impermeable to ethylene oxide gas during normal ethylene oxide sterilization processes. In some embodiments, the container may include flexible walls free of metallic foil barrier layers. The containers may also include one or more vents in addition to one or more openings used to dispense the skin antiseptic composition within the container. The dispenser may include an applicator with a hydrophilic foam.Type: GrantFiled: October 3, 2002Date of Patent: August 28, 2007Assignee: 3M Innovative Properties Co.Inventors: Robert A. Davis, Matthew T. Scholz, Mark V. Johnson, Triet M. Lu, Robert A. Asmus, John D. Dell
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Patent number: 7048458Abstract: A valve for controlling flow of fluid from an inverted fluid reservoir, the valve comprising: retaining mechanism for coupling the valve to a fluid reservoir; a central fluid opening for flow of fluid from the fluid reservoir through the valve; a valve post slidably disposed within the central fluid opening, the valve post having a sealing portion adapted to seal the central fluid opening and prevent fluid flow through the valve in a closed position; a biasing mechanism coupled to the valve post for biasing the sealing portion of the valve post against the central fluid opening when the valve is in the closed position; and an air vent system.Type: GrantFiled: August 25, 2004Date of Patent: May 23, 2006Assignee: The Clorox CompanyInventors: Michael J. Hall, Douglas J. Minkler, Francis J. Culang, Danielle J. Couts
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Patent number: 6983866Abstract: The invention provides a soap dispenser. In general, the soap dispenser includes a handle having a hollow interior, and a coupling on a first end of the handle. The first end of the handle also has a fluid passage for transferring a fluid from the hollow interior to outside the hollow interior. The coupling is adapted to receive a soft attachment having a coupling member.Type: GrantFiled: January 22, 2003Date of Patent: January 10, 2006Inventors: Tracy Smart, Chris Sticht
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Patent number: 6962456Abstract: A brush (1) for washing objects such as automobiles includes a handle (2) and a body (3) with a compartment (4) for receiving washing fluid, such as water, and a number of brush tufts (5). A passage (7) allows introduction of washing fluid into the compartment and is covered by a plate (9) of flexible material, such as rubber, such that the washing fluid may enter the compartment when the brush is submerged in the fluid, but is prevented from exiting the compartment by the plate when the brush is in use for washing an object. Passages (11a) are provided for allowing washing fluid to exit the compartment to the tufts for washing. A ventilating passage (12) is provided for allowing air to exit and enter the compartment when washing fluid enters and exits the compartment, respectively.Type: GrantFiled: June 8, 2004Date of Patent: November 8, 2005Inventor: Søren J. Larsen
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Patent number: 6951430Abstract: The invention relates to a device for applying flowing media to a surface. Said device comprises a container for the media with at least one opening which is located above the surface and can be deaerated and a mopping or applicator device which is attached to a handle. In addition, the device has a flow-regulating hose which can be shut off, for conveying the media form the container by force of gravity to an outlet on the mopping or applicator device. In addition, the device has a portable unit which is worn on the back, comprising supporting and fixing straps and a mounting plate which is fitted to said unit and which has a rapid-action coupling device. The container has a resealable exit opening at one end with a connecting sleeve and a resealable fill opening at the opposite end, in addition to a hose adapter which can be connected to the connecting sleeve of the exit opening. Said adapter has a shut-off device and a rapid-action coupling for the hose with a drip-protection unit.Type: GrantFiled: August 4, 2004Date of Patent: October 4, 2005Assignee: Ecolab GmbH & Co. oHGInventors: Hans-Leo Fernschild, Heiko Faubel, Karl-Heinz Rogmann, Ulrike Scheuvens
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Patent number: 6799916Abstract: The invention relates to a device for applying flowing media to a surface. Said device comprises a container for the media with at least one opening which is located above the surface and can be deaerated and a mopping or applicator device which is attached to a handle. In addition, the device has a flow-regulating hose which can be shut off, for conveying the media form the container by force of gravity to an outlet on the mopping or applicator device. In addition, the device has a portable unit which is worn on the back, comprising supporting and fixing straps and a mounting plate which is fitted to said unit and which has a rapid-action coupling device. The container has a resealable exit opening at one end with a connecting sleeve and a resealable fill opening at the opposite end, in addition to a hose adapter which can be connected to the connecting sleeve of the exit opening. Said adapter has a shut-off device and a rapid-action coupling for the hose with a drip-protection unit.Type: GrantFiled: April 4, 2003Date of Patent: October 5, 2004Assignee: Ecolab GmbH & Co. oHGInventors: Hans-Leo Fernschild, Heiko Faubel, Karl-Heinz Rogmann, Ulrike Scheuvens
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Publication number: 20040033101Abstract: The invention relates to a device for applying flowing media to a surface. Said device comprises a container for the media with at least one opening which is located above the surface and can be deaerated and a mopping or applicator device which is attached to a handle. In addition, the device has a flow-regulating hose which can be shut off, for conveying the media form the container by force of gravity to an outlet on the mopping or applicator device. In addition, the device has a portable unit which is worn on the back, comprising supporting and fixing straps and a mounting plate which is fitted to said unit and which has a rapid-action coupling device. The container has a resealable exit opening at one end with a connecting sleeve and a resealable fill opening at the opposite end, in addition to a hose adapter which can be connected to the connecting sleeve of the exit opening. Said adapter has a shut-off device and a rapid-action coupling for the hose with a drip-protection unit.Type: ApplicationFiled: April 4, 2003Publication date: February 19, 2004Applicant: Ecolab GMBH & Co. OHGInventors: Hans-Leo Fernschild, Heiko Faubel, Karl-Heinz Rogmann, Ulrike Scheuvens
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Patent number: 6623201Abstract: A cleaning device for cleaning toilets, bathroom fixtures, and other surfaces. The device encloses a reservoir contained in a hollow handle for storing a cleaning solution, with a cap connected to one end of the handle and a base connected to the other end of the handle. A brush, sponge or other scrubber or cleaning surface is preferably attached to the base. A manually operated flow control mechanism opens a valve which seals at least one exit or dispensing orifice at or near the base of the reservoir, and thereby allows volume of cleaning solution to be dispensed at a reasonably fast, controlled rate of flow. In one embodiment, manually operated vacuum pressure release orifices are located at the opposite end of the reservoir from the exit orifice and are normally closed, but may be opened to minimize or eliminate any vacuum (subatmospheric pressure) in the reservoir, thereby aiding the flow of liquid from the reservoir through the exit orifice.Type: GrantFiled: December 20, 2000Date of Patent: September 23, 2003Inventor: John Francois Brumlik
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Patent number: 6550998Abstract: The invention relates to a device for applying flowing media to a surface. Said device comprises a container (1) for the media with at least one opening (2, 3) which is located above the surface and can be deaerated and a mopping or applicator device (5) which is attached to a handle (4). In addition, the device has a flow-regulating hose (6) which can be shut off, for conveying the media from the container (1) by force of gravity to an outlet on the mopping or applicator device (5). In addition, the device has a portable unit which is worn on the back, comprising supporting and fixing straps (8) and a mounting plate (9) which is fitted to said unit and which has a rapid-action coupling device. The container has (1) a resealable exit opening at one end (2) with a connecting sleeve and a resealable fill opening (3) at the opposite end, in addition to a hose adapter (11) which can be connected to the connecting sleeve of the exit opening (2).Type: GrantFiled: September 7, 2001Date of Patent: April 22, 2003Assignee: Ecolab GmbH & Co. oHGInventors: Hans-Leo Fernschild, Heiko Faubel, Karl-Heinz Rogmann, Ulrike Scheuvens
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Patent number: 6257791Abstract: A toothbrush with integrated toothpaste dispenser includes a brush section, a handle section and an intermediate neck section. Positioned among the bristles of the brush section is a soft, flexible tube—the external end of which is just below the level of the ends of the bristles. This flexible tube allows for the delivery of the toothpaste to the ends of the bristles in an efficient and practical manner. Within the handle section resides a reservoir of toothpaste. The intermediate neck section is hollow, which forms a communicating channel for the toothpaste to travel from the toothpaste reservoir in the handle to the toothbrush head. Dispensing of the toothpaste can be accomplished by any manner of delivery system. The types of delivery systems possible include, but are not limited to: pump systems, lever systems, screwdiven systems and roller systems.Type: GrantFiled: May 30, 2000Date of Patent: July 10, 2001Inventor: David Franklin Scamard
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Patent number: 5570966Abstract: A flow-through brush fluid dispensing container comprising a squeeze bottle for holding a liquid therein, having a combine manual and automatic mechanism for venting air into the container. A removable elongated stem extends from the bottle for transferring the contents therein therethrough. A plurality of bristles are provided at a distal free end of the stem, for receiving the liquid squeezed from the bottle through the stem, so that the bristles can apply the liquid onto various articles and surfaces.Type: GrantFiled: May 8, 1995Date of Patent: November 5, 1996Inventor: John J. Phelan
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Patent number: 5439014Abstract: A toothbrush is provided with a hollow interior cavity adapted to contain liquid dentifrice therein. The toothbrush includes a plurality of minute air apertures for equalizing the air pressure within the cavity and at least one dispensing hole in the bristle region of the toothbrush for dispensing the liquid dentifrice to the bristles. A threaded cap is provided at an open end of a handle of the toothbrush to prevent the dentifrice from escaping from the interior cavity. The cap can be removed to allow the refilling of the interior cavity with the liquid dentifrice.Type: GrantFiled: October 27, 1993Date of Patent: August 8, 1995Inventor: Laila B. Moussa
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Patent number: 5279499Abstract: A brush assembly for use by artists and others, which includes an elongated barrel with a brush at one end, and which includes an internal removable cartridge. The assembly is constructed to assure the controlled flow of writing fluid from the interior of the cartridge to the brush without excess fluid being fed to the brush, and to assure that there will be no flow of fluid to the brush when the brush assembly is not in use.Type: GrantFiled: December 7, 1992Date of Patent: January 18, 1994Inventor: Frederick E. Carter
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Patent number: 5211495Abstract: A writing or drawing instrument wherein a housing (1), is provided with a writing point (2) and a writing fluid reservoir (3) within an interior space of the housing. A capillary pressure equalization system (5), that connects the reservoir with the ambient air, has a sensor (7) therein for reacting to the level of writing fluid (4) therein. A suction pump (11, 12) is connected with the writing fluid reservoir (3) through a semi-permeable membrane (10) which lets air through and is impermeable for writing fluid (4). The suction pump (11, 12) is activated by the sensor (7) in response to a level of writing fluid (4) in the pressure equalization system, and aspirates air from the reservoir so as to quickly reduce an overpressure condition.Type: GrantFiled: October 19, 1992Date of Patent: May 18, 1993Assignee: rotring-werke Riepe KGInventors: Walter Jozat, Steffen Wunsche, Ronald Broers, Thomas Hentze, Horst Eising
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Patent number: 5186559Abstract: This invention is a cooking sauce dispenser comprising an assembly of one or more tubular, squeezable containers having a circular opening in a plane at an oblique angle to the axis of the container and connected rotatably to a collar having a flow passage for each container. The flow passage for each container is attached to an individual, heat resistant flow tube which terminates in a drip proof flapper valve. The distal end of each flow tube fits into a common flow directing nozzle which contains a bristle brush for applying the sauce to food. The drip proof valves are designed to accommodate sauces of varying viscosities and sauces containing chunky ingredients. The bristle brush is detachable and easily replaced with brushes of varying stiffness. By rotating a particular container, the container is caused to extend at an acute angle from the axis of the dispenser.Type: GrantFiled: July 17, 1991Date of Patent: February 16, 1993Inventor: Peter P. Fu
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Patent number: 5087138Abstract: A suntan lotion applicator is provided and consists of an elongated hollow handle connected to a flat head over a central aperture and a pad affixed to underside of the head for applying the suntan lotion on the skin. A removable cover is on the head for isolating the pad when not in use and a cap is detachably connected to the handle to protect the suntan lotion within the handle.Type: GrantFiled: November 2, 1989Date of Patent: February 11, 1992Inventors: Rosemarie Terbrusch, George Spector
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Patent number: 4836704Abstract: In an applicator device for applying a material such as nail varnish, with a metering pump, provided separately from the feed duct through which the viscous material passes from the container therefor to an applicator member is a pressure compensating duct which can be communicated with a vent passage extending into the interior of the container, to compensate for variations in pressure within the container. A control valve controls both the communication of the interior of the container with the applicator member through the feed duct, and also the communication of the pressure compensating duct with the vent passage. The vent passage is adapted to be closed by a non-return valve opening towards the interior of the container.Type: GrantFiled: November 16, 1987Date of Patent: June 6, 1989Assignee: Schwan-Stabilo Schwanhaeusser GmbH & Co.Inventor: Georg Roeder
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Patent number: 4530369Abstract: An elongated handle is provided having first and second ends and front and rear opposite longitudinal sides. Brush bristles are supported from and project outwardly from the front side of one of the ends and the other handle end includes a smooth endwise outwardly opening longitudinal bore formed therein. A piston is slidable in the bore and an operator is connected to the piston and rotatable on the other handle end. Rotation of the operator relative to the handle effects longitudinal displacement of the piston in the bore and the handle includes a supply passage therein communicated at one end with the inner end of the bore and opening outwardly through the front side of the handle between adjacent bristles at the other end. The bore equipped end of the handle is of greater cross-sectional area than the bristle equipped end and the front side of the handle includes a delineation zone thereof angulated relative to the longitudinal center axis of the handle between the opposite handle ends.Type: GrantFiled: January 11, 1983Date of Patent: July 23, 1985Assignee: Santiam O. AdamsInventor: Ronald O. Adams
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Patent number: 4421433Abstract: A hygienic toothbrush having a hollow handle portion for storing dentifrice. A cover for a first end having an aperture therein with a bar passing through the aperture into the interior of the handle portion and having a portion exterior thereof with a knob. A plunger movably secured to the interior portion of the bar having a threaded interior opening to complement the threads on the bar. A vent comprising a first and a second orifice through which the first and second pins extend, the first pin being larger than the second pin and of sufficient length to contact the plunger, the second pin being of insufficient length to contact the plunger, with a rod connecting the first and second pins. A brushing member removably secured to the handle portion having a brushing surface and a conduit leading from the handle portion to the brushing surface.Type: GrantFiled: November 26, 1980Date of Patent: December 20, 1983Inventor: Gilberto M. Villanueva
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Patent number: 4370072Abstract: A utility brush usable to wash various objects includes a brush head and a handle member, the former including cleaning means such as bristles extending from one face thereof. Also included are port means formed through the head to provide communication between the cleaning means and a reservoir containing a cleaning fluid whereby the cleaning fluid can be fed into and out of the reservoir. Associated with the reservoir means is check valve means for allowing air to be exhausted from the reservoir during filling and for maintaining the reduced pressure in the reservoir means during the release of the cleaning fluid.Type: GrantFiled: April 10, 1981Date of Patent: January 25, 1983Inventor: Merritt L. Moffitt, Jr.
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Patent number: 4199270Abstract: Dispenser-container brush for paste material, comprising:(a) a stem or handle having a flexible wall, internally hollow reservoir portion, an intermediate zone provided with means for the engagement of a bristle holder head member; and a substantially rigid elongated portion, said elongated portion having a dispensing opening for the paste material;(b) a substantially rigid bristle holder head member, having a bristle arrangement on an outer side or face and comprising an inner cavity of shape and size substantially corresponding to those of said elongated handle portion: a portion for engagement in said means on the intermediate handle portion, and a dispensing hole for the paste material in the face or side provided with said bristles, the position of said dispensing hole being such that the hole can be brought in register with said dispensing opening in the handle.Type: GrantFiled: April 18, 1978Date of Patent: April 22, 1980Assignee: Secunda AG fur Vermietung Von WirtschaftsguternInventor: Gianni Tomasini
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Patent number: 4176980Abstract: A toothbrush and dentifrice combination, at least partially disposable, including an elongated handle having a central axis and an elongated cavity offset from the central axis therein, the offset cavity containing an amount of dentifrice material and defining a thin-walled portion and a thick-walled portion in the handle, and a head being attached to the handle and having an inner elongated cavity and a number of bristles defining a brushing surface thereon, the head further including three outlet openings in the brushing surface connected to the inner elongated cavity therein, which is in turn connected to the offset cavity in the handle. The handle is one integral piece of a resilient thermoplastic material and the thin-walled portion in the handle is readily compressible within its elastic limit a sufficient amount to collapse the offset cavity in the handle and force the dentifrice material into the inner cavity in the head and out through the outlet openings in the brushing surface.Type: GrantFiled: December 2, 1977Date of Patent: December 4, 1979Inventors: Chester L. O'Neal, Danny C. O'Neal
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Patent number: 4134697Abstract: The invention comprises a brush and cleaning solution storage reservoir for washing of cars, and the like. The storage reservoir has a supply tube extending to the brush to conduct the cleaning solution thereto for use. The supply of cleaning solution to the brush is controlled by selective closure of a vent tube formed in the reservoir of cleaning solution.Type: GrantFiled: May 5, 1977Date of Patent: January 16, 1979Inventor: Anders V. Sparr, Sr.
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Patent number: 4124316Abstract: A toothbrush having a brushing unit and a dentifrice containing cartridge unit. The cartridge unit is shaped to permit it to be comfortably held in the hand and has a squeezable wall for the purpose of expelling dentifrice from the dentifrice-containing chamber therein. The dentifrice passage extending from the chamber to the brushing unit is normally closed by a valve which opens by the force of the dentifrice when the cartridge is squeezed. A check valve permits air to replace dentifrice that has been expelled from the cartridge chamber. The dentifrice may be introduced directly into the cartridge chamber, or it may be placed in a bag or tube and the dentifrice-containing bag or tube placed in the chamber. The bag or tube may have screw threaded or slip on type openings at one or both ends or one or both ends may be pierced by a needle or the like to allow the dentifrice to be squeezed out.Type: GrantFiled: July 12, 1976Date of Patent: November 7, 1978Inventor: James L. O'Rourke