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Patent No. 5926874

Automatic Bed Maker

An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.

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Class 251/81 - Slip coupling between actuator and valve


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein the lost motion connection between
No. of patents: 28
Last issue date: 09/27/2011


NumberTitleIssue Date
8025268Manual valve
A manual valve comprises a valve element, a rod connected to the valve element, and a knob for moving the rod by screw feeding in an opening/closing direction with respect to the valve element. The valve element is moved by rotation of the knob through the rod. The ...
09/27/2011
7584936Torque limiting hand wheel
According to the invention, a system for applying torque to a valve element that stops fluid flow through the valve is disclosed. The system may include an input element, a drive element, and a torque transferring mechanism. The input element may be configured to re...
09/08/2009
7300034Thermal compensatory valve
A compensation device for a valve compensates for expansion of a valve stem and/or inertial effects during operation of the valve. The compensation device is preferably integrally provided with the valve. The compensation device includes a first plate rigidly connec...
11/27/2007
7290753Torque sensitive diaphragm valve
This invention relates to pressure torque sanitary diaphragm valves and methods of using torque sensitive sanitary valves in the production of chemical and biological therapeutics to obtain procedural reproducibility in the production pharmaceutical compounds and in...
11/06/2007
7082902Pump/valve assembly and a cooling circuit containing such an assembly
A pump/valve assembly forming part of a circuit for circulating a liquid fluid has a pump and a proportional-control valve unit (2) in series with the pump. The valve unit (2) has a valve (3), an electrical actuator (4) and a position sen...
08/01/2006
7004447Torque sensitive sanitary diaphragm valves for use in the pharmaceutical industry and methods related thereto
This invention relates to pressure torque sanitary diaphragm valves and methods of using torque sensitive sanitary valves in the production of chemical and biological therapeutics to obtain procedural reproducibility in the production pharmaceutical compounds and in...
02/28/2006
6938586Proportional valve
A valve for automatically and proportionally adjusting fluid flow between an engine and a radiator for cooling the fluid heated by the engine in response to changes in fluid temperature within a range of operating temperatures. The valve includes a housing having a ...
09/06/2005
6745995Electromagnetically controlled butterfly thermostat valve
An improved cooling system for an internal combustion engine is disclosed. The system utilizes an electronically controlled butterfly valve to control coolant flow between the engine and a radiator, thereby maintaining the engine temperature at a substantially optim...
06/08/2004
6257874Flame adjusting device for a gas burning device
A flame adjusting device for a gas burning device includes a flame adjusting wheel securely mounted to a disk of a valve on a gas tank and a neck extends from a side of the flame adjusting wheel and a ring is mounted to the neck. A protrusion extends from...
07/10/2001
5690313Low noise water-control valve for hydraulic and sanitary pipes
A noiseless valve includes a leading spiral spindle (4) having a thread (8) at one end by which it is screwed into a spiral (8') of a piston holder (10). The piston holder (10) has a cylindrical shape and is placed into a valve body (1). The leading spira...
11/25/1997
5295907Rorque limiting device
A device for limiting the torque transmitted from a drive shaft to a driven shaft comprising a first body having a cylindrical portion and being adapted for rotation with one shaft and a second body having a cylindrical portion and being adapted for rotat...
03/22/1994
5205482Sanitary mixing unit
A sanitary mixing unit, especially in the form of a single thermostat, has a cold and hot water inlet and a mixed water outlet. Valves for shutting off and controlling the water flow are arranged before the thermostat control and thus before the mixing ch...
04/27/1993
5152498Valve handle with overload protection
A valve has a housing, a valve spindle projecting outward from the housing and centered on and rotatable about an axis, and an actuating handle. Radially inwardly projecting and axially extending ridges are formed in the handle. An overload protecting cou...
10/06/1992
5083743Slip thread adjustable in-line valve for sterile fluids
A rotatable rigid material valve operator is provided having a threaded shank threadedly engaged within a threaded blind bore formed in a valve member constructed of thermo plastic elastomer having an 80-90 "SHORE" scale durometer hardness and snugly slid...
01/28/1992
5060909Shut-off valve for fluids
The invention relates to a shut-off valve comprising a valve housing (12), a valve piston with valve cone (22) arranged up-stream of an associated valve seat (20), and a piston holder (16) axially movable within the valve housing (14) by means of a spindl...
10/29/1991
4984667Coupling device
A security device is provided for coupling a rotational input force to an output shaft and includes a tubular housing with first and second ends and an internally-threaded bore extending therebetween. An externally-threaded screw member is threadably and ...
01/15/1991
4977641Lever handle assembly for sanitary fixtures
A lever handle assembly for a sanitary water fixture which includes a spindle for actuating the fixture. The lever handle assembly comprises the handle adapter, a handle sleeve having a handle lever, and a friction coupling. The handle adapter nonrotatabl...
12/18/1990
4860992Valve/actuator torque overload protector
A valve/actuator torque overload protector is disclosed as operably associated relative to driving and driven members which are pre-set to transmit limited torque during relative rotary movement between the members. A plurality of spring-loaded tapered ro...
08/29/1989
4853160Apparatus for adjusting a variable length valve member for a needle valve
A carburetor including a valve apparatus comprising a wall defining a chamber having an axis and having therein an inlet communicating with the chamber and an outlet communicable with the chamber and having a valve seat, a valve member having two opposite...
08/01/1989
4850567Ball valve
A ball valve is provided with a blocking mechanism which automatically blocks its control shaft in its respective rotary position between a closure position and an open position when the control movement takes place too rapidly. The blocking mechanism res...
07/25/1989
4705129Hydrostatic steering arrangement, especially for motor vehicles
Pressurized fluid from an engine driven pump is supplied to and exhausted from the opposed chambers of a hydrostatic power steering servomotor through control passages in a valve housing and in a rotatable valve body coupled through viscous liquid to a st...
11/10/1987
4619437Adjustable torque limiting valve handle
Disclosed is a torque limiting valve handle having one more independently adjustable spring loaded balls urged in contact with depressions formed in the inside surface of a housing adapted for external manual engagement. The adjustment of the torque limit...
10/28/1986
4407326Valve actuating mechanism
A valve actuating mechanism is disclosed and includes deactivating override means responsive to valve malfunction, such as sticking or binding of the valve. A drive motor is operatively connected through a drive train to a rotatable clutch housing. The cl...
10/04/1983
4338961Valve for handling hot caustic alumina solution with provision for grinding
A valve structure is provided which can be opened and closed under operating conditions without any adjustment in conditions existing in the system in which the valve is an element. The valve element can be turned with respect to the seat to provide for p...
07/13/1982
4287915Control valve for pneumatic conduits
A control valve for controlling a routing of a pressure medium in pneumatic conduits, especially those in motor vehicles, wherein the control valve includes a housing provided with a cylindrical recess and a control slide guided in the cylindrical recess ...
09/08/1981
3988891Positioning arrangement having a drive motor
A controlled member is movable between two end positions defined by respective first and second stops, particularly a flap-type valve member located in the exhaust gas conduit of an internal combustion engine movable between first and second end positions...
11/02/1976
3976220Chlorinator having trip device actuated by line pressure difference
A chlorinator for swimming pool systems which releases a charge of chemical in response to the pressure differences generated by the circulating pump. The time during which the discharge valve is open is automatically varied in accordance with the pump pr...
08/24/1976
3966032Hydrodynamic drive and slipping clutch
A drive mechanism for an automotive transmission wherein a hydrodynamic drive unit and a friction drive unit are arranged for parallel independent drives. The friction drive unit is maintained in a slipping drive condition to control a predetermined slip ...
06/29/1976
 
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