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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 6257271 | Servo operated valve with sonically welded housing and method of making same An electric servo motor operated valve has a motor and gear reduction subassembly and a valve body subassembly with a cross-ported cylindrical rotary valve member with an arcuately shaped resilient face seal member for sealing about the cross port. The mo... | 07/10/2001 |
| 6186164 | Rotary valve comprising a drawing device A rotary valve includes a housing having a housing bore which can be laterally closed by bearing covers. Inside the housing, a cellular wheel is rotatably supported. A guiding device extends in an axial direction of the cellular wheel and serves for drawi... | 02/13/2001 |
| 6029686 | Thermally responsive valve A freeze protection plug has latching balls engageable bayonet-fashion with grooves in a fitting. The balls are normally held in engagement with the grooves by a cam, but move inward to release the plug from the fitting when the cam is moved by a thermal ... | 02/29/2000 |
| 5829469 | Apparatus for retrofitting a non-pressure balanced mixing valve to provide pressure balanced operation This apparatus is to retrofit an existing, non pressure balanced mixing valve to provide pressure balanced operation. The apparatus includes a diverter which leads hot and cold water out of the existing valve body to a pressure balanced mixing valve. The ... | 11/03/1998 |
| 5467796 | Ball valve with a strainer and integrated means for flushing the strainer A ball valve having a valve body defining a ball valve chamber and having a longitudinal axis defined by inlet and outlet passages. A ball valve element is rotatably disposed in said valve chamber. The ball valve element has a diametrically disposed fluid... | 11/21/1995 |
| 5445180 | Fluid flow control A metering apparatus, which may be single- or double-acting, includes a valve device including a closure member, an inlet port, an outlet port and one or two other ports communicating with a metering chamber of the single-acting apparatus or respective me... | 08/29/1995 |
| 5207241 | Liquid shut-off valve A liquid fuel shut-off valve for insertion through the feed pipe opening and mounting inside a fuel tank including, in combination, a valve body having an inlet and an outlet joined by a first bore aligned axially with the feed pipe through which the fuel... | 05/04/1993 |
| 5188144 | Plug valve A plug valve having a body with an inlet, an outlet and a plug-receiving opening which intersects the inlet and outlet. A plug is mounted in the opening and has an outer wall and an orifice extending therethrough. The plug is movable from an operative pos... | 02/23/1993 |
| 5161565 | Cover and retainer for a compressor valve The domed, cast metal retainer, having a bolting flange and a depending annulus for engaging the valve or valve crab, in a gas compressor is supplanted by the invention. The latter comprises a simple, flat plate and a cylindrical plug. The plug is set int... | 11/10/1992 |
| 5118073 | Valve A plug valve is disclosed which has a radially outwardly directed projection at the end of the valve stem, the projection being received in a complementary cylindric chamber in the plug of the valve for easy exchange of the plug during maintenance of the ... | 06/02/1992 |
| 5096158 | Oil drain valve assembly An oil drain valve assembly is provided for draining oil from an engine crankcase such as in a small internal combustion engine. The drain valve assembly includes an adaptor, an outer sleeve assembly, and interlocking for permitting opening of the valve a... | 03/17/1992 |
| 5078176 | Valve assembly for a filter device A valve assembly for use in a filter device is disclosed herein. The valve assembly includes a valve housing, a cylindrical bore in the housing defining at least one open end, a valve stem inserted in the bore and including a groove about the circumferenc... | 01/07/1992 |
| 5076540 | Stop valve A three-piece angle stop valve comprises a valve body, resilient control sleeve and handle, with no separate fastening or sealing elements required. Inlet line pressure resiliently biases the side walls of the control sleeve and a circumferential sealing ... | 12/31/1991 |
| 4887629 | Plug valve and method of assembly An eccentric plug valve and method for assembly wherein the valve utilizes a replaceable valve seat which is placed against a gasket held in a groove about a rim of a valve opening within the valve body and the valve seat is held in position by means to f... | 12/19/1989 |
| 4776566 | Raised hardface overlay valve seat A raised hardface overlay valve seat, fused around the periphery of the port of a valve, having an inverted frustoconical body cavity and an inverted frustoconical plug inserted into said cavity in sealing engagement therewith. A major advantage of the ra... | 10/11/1988 |
| 4711272 | Surge irrigation valve A valve for use in distributing irrigation water in a surge irrigation system. The valve having a diverter member rotatably mounted within the cylindrical cavity of a valve body. The diverter member has an arcuate diverter plate mounted thereon which conf... | 12/08/1987 |
| 4705058 | Plug valve A plug valve comprises a plug rotatable in a body of plastics. The plug fits closely within a thin walled metal can. The valve body is formed by moulding around the can and plug, the can thereafter remaining fixed within the valve body, while the plug is ... | 11/10/1987 |
| 4678002 | Faucet valve with adjustable stem tightener A washerless faucet valve, of the type having a matched pair of discs mounted therein for flow control purposes, is provided with an adjustable structure for applying frictional forces to the valve stem which allows the faucet valve to be mounted in a hor... | 07/07/1987 |
| 4619283 | Stem seal for tapered lubricated plug valves A method of forming a stem seal and controlling the sealant film thickness in a lubricated plug valve in which a deformable ring is inverted in an annular space between the stem, the valve cover and the top of the plug and the ring is deformed into sealin... | 10/28/1986 |
| 4610266 | Valve assembly for securing a cover to a valve body with fasteners which are free of tensile stress A valve assembly for securing a valve cover to a valve body includes a fastening arrangement wherein the fasteners are free of tensile stress. In one arrangement, an outwardly extending retaining skirt is disposed about an access opening in a valve body a... | 09/09/1986 |
| 4598728 | Plugcocks The present invention relates to plugcocks or stopcocks, and the method of producing the same. The plugcocks are formed of two primary elements a body and a plug or stem member rotatably mounted therein. The plug member has the shape of a cone the bottom ... | 07/08/1986 |
| 4564044 | Rotatable valve assembly A rotatable valve assembly (38) for a rotary piston filling machine, the rotatable valve assembly being received within a valve body (30). The valve assembly includes a supporting valve plug (40) and interchangeable valve sleeves (42) which are adapted to... | 01/14/1986 |
| 4546789 | Valved access fitting A valved fitting for a sewer or drain line access is described which permits easy sewer line entry. The fitting includes a large-straight-bore valve body and a housing which is adapted for connection to a sewer line. Embodiments include removable and perm... | 10/15/1985 |
| 4450854 | Lubricated split plug valve A lubricated split plug valve includes a valve body defining a chamber with fluid ports therethrough. A valve stem is rotatably mounted in the body and engages a split cylindrical valve member. The valve member includes a cylindrical passage with first an... | 05/29/1984 |
| 4393893 | Lubricated split plug valve A lubricated split plug valve includes a valve body defining a chamber with fluid ports therethrough. A valve stem is rotatably mounted in the body and engages a split cylindrical valve member. The valve member includes a cylindrical passage with first an... | 07/19/1983 |
| 4320777 | Actuator mechanism for lift-turn valves An actuator mechanism for lift-turn type valves such as tapered plug valves and cam energized plug and slip assemblies includes an actuator housing structure that is adapted to be connected to a valve body. An actuator element that is adapted for intercon... | 03/23/1982 |
| 4206778 | Rotary valve assembly having a dual purpose valve element The disclosed valve has a cylindrical, central, fluid conducting core fixed within a housing by a nut located in the housing in engagement with an integral flange of said core at the latter's inner end, an oscillatory valve element having a cylindrical wa... | 06/10/1980 |
| 4041973 | Quick change valve trim assembly Disclosed herein is a valve trim assembly wherein a valve cage member and a valve plug are provided which cannot be independently rotated. A valve stem is affixed to the plug and extends out of the cage. The cage and the stem are threaded for attachment t... | 08/16/1977 |
| 3937441 | Rotary valve A rotary valve having a segmental sphere type rotary plug cooperating with sealing means and featuring a slide-in cage arrangement for ease of machining and assembly, and wherein said rotary plug is locked into said cage type insert by means of cylindrica... | 02/10/1976 |
