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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 4227236 | Flexible body for use in liquid level indicating apparatus An upright metallic pipe, which extends into the supply of liquid in a vessel adjacent to a conduit for a float with a permanent magnet which rises and falls with the upper level of liquid, contains an elongated flexible body having an impermeable insulat... | 10/07/1980 |
| 4227057 | Apparatus for ascertaining the upper level of liquids in tanks or the like Apparatus for ascertaining the upper level of oil or another liquid in a shallow or deep tank has a perforated vertical conduit which is installed in and extends to the bottom of the vessel. A vertical pipe is adjacent to the conduit and is sealed from th... | 10/07/1980 |
| 4227163 | Electrical keyswitch A low profile keyswitch for electrical keyboards is disclosed which has the capability of being operated either as a contactless analog type of keyswitch, or as a mechanical contact type of keyswitch. The keyswitch may include a pair of normally-closed co... | 10/07/1980 |
| 4219111 | Power and free conveyor control system A control system for a conveyor having a plurality of trolley carriers movable along a path of travel and having at least one latching type reed switch whose open or closed condition is sensed in a reading station through which the trolley carrier moves, ... | 08/26/1980 |
| 4210889 | Magnetically actuated sensing device A magnetically-actuated sensing device for use in security monitoring systems. A switch unit having a plurality of electrically interconnected magnetic reed switches disposed in a predetermined physical relationship is provided for controlling electrical ... | 07/01/1980 |
| 4203013 | Alphanumeric control keyboard with depressible keys for electric or electronic machines A control keyboard for electric or electronic machines, with a first plate having a number of apertures, and keys mounted through these apertures; the keys have flanges of magnetic material on their lower portions to prevent the keys from slipping out. A ... | 05/13/1980 |
| 4199741 | Moving magnet, rotary switch A rotary switch comprising a stationary body provided with longitudinal bores in each of which a core of magnetic material is movable, switching means located at one end of said bores, and adapted to be actuated by the said cores and magnetic elements ada... | 04/22/1980 |
| 4187483 | Multi-throw magnetic reed switch The disclosed invention includes a pair of spaced apart parallel plates with a plurality of reed switches lying between and perpendicular to these plates. One of the plates has a hole through it, and the reed switches are spaced around this hole at equal ... | 02/05/1980 |
| 4186419 | Apparatus for monitoring and controlling liquid level An apparatus for monitoring and controlling the liquid level in a storage tank which involves placing at least two magnetically operated switches, e.g., magnetic-reed switches, at different levels in the tank and causing a magnet-containing float to move ... | 01/29/1980 |
| 4185260 | Externally-programable switch A magnetically-actuated switch has a stationary mounting base to which a plurality of magnetically-actuated reed-type switches are secured in a layer parallel to the base. A moveable portion of the switch is pivotably mounted to the mounting base, and con... | 01/22/1980 |
| 4170730 | Multiple modular switch and wall plug A modular electric switch or wall socket comprises a pair of electrodes or screws inserted into a case to which are connected the terminals of electric current of the circuit it is desired to control, and a rockable block which actuates the breaking or co... | 10/09/1979 |
| 4170005 | Switch operated alarm circuit A burglar alarm that has a series of switches located close to each other and that are responsive to the application of a magnetic field. One of the switches terminates current flow to a sentinel current device while the others initiate current flow to th... | 10/02/1979 |
| 4165501 | Position sensing system A position sensing system having one or more magnetically operated switches at predetermined spaced locations and a magnet attached to a carrier moving along a path adjacent thereto and as the carrier passes each switch, magnetically latching it in one co... | 08/21/1979 |
| 4150350 | Magnetic switch A magnetic switch has a substantially closed casing. A conductive plate with an electrical contact is fixedly mounted in the casing. Another conductive plate has an electrical contact mounted thereon and is mounted inside the casing for pivoting or slidin... | 04/17/1979 |
| 4137512 | Contactless magnetic switch A contactless magnetic switch is provided by utilizing at least one pair of hollow elongated tubular magnetic sensing elements which are each threaded with at least one sense wire and a movable permanent magnet which is positioned adjacent and over the se... | 01/30/1979 |
| 4135137 | Magnetic position detectors A magnetic detection device for detecting the position of a movable member which is associated with a piece of magnetic material, the movable member being displaceable in a non-magnetic tube. A detection unit fixed outside the tube and including a permane... | 01/16/1979 |
| 4112401 | Electrical switching apparatus and control system for use therewith An array of magnetically-actuatable electrical switches is controlledly operated in response to changes in position of a movable member controlling the magnetic field reaching the switching elements. The movable member may for example comprise a panel, su... | 09/05/1978 |
| 4101857 | Externally-programable switch A magnetically-actuated switch has a stationary mounting base to which a plurality of magnetically-actuated reed-type switches are secured in a layer parallel to the base. A moveable portion of the switch is pivotably mounted to the mounting base, and con... | 07/18/1978 |
| 4064451 | Hysteresis compensated reed switch assembly for a position indicating system The position of a control rod located within a nuclear reactor is sensed by a position indicating system utilizing low hysteresis reed switch assemblies. Each reed switch assembly includes a reed switch having an alternating magnetic flux field applied th... | 12/20/1977 |
| 4037186 | Connecting and switching system, and switching apparatus suitable for use therein A first set of conductors (e.g. 25 of them) leading for example to a communications modem, is connected by way of a corresponding set of normally-closed switches to corresponding conductors of a second set, leading for example to local equipment such as a... | 07/19/1977 |
| 4022078 | Shift control mechanism A manually operable shift control mechanism operatively connected with a transmission through an electro-hydraulic control circuit for selectively establishing one of a plurality of speed ratios in the transmission, the control mechanism including a pivot... | 05/10/1977 |
| 4015226 | Cartridge for magnetically operated contacts A pushbutton switch is described in which a pair of contact cartridges containing magnetically operated sealed switches are mounted to an actuator section. The linear motion of the pushbutton is converted to rotary motion by a cam structure mounted in eac... | 03/29/1977 |
| 4014741 | Nuclear control rod position indicating assembly The position of a control rod located within a nuclear reactor is sensed by an externally located position indicating assembly. The assembly includes a reed switch voltage divider circuit in which the individual reed switches are actuated in a 2-3-2-3 seq... | 03/29/1977 |
| 4004560 | Interrupter for the ignition system of internal combustion engines An interrupter for internal combustion engines includes fixed reed-switch type contact means which are caused to be opened and closed at the proper points of time by means of magnetic fields generated by a rotatable formed by magnetic particles and an ins... | 01/25/1977 |
| 4001744 | Electrical switch An electrical switch is disclosed which includes a first and second pair of pole pieces and an armature mounted to move freely between the first pair of pole pieces and the second pair of pole pieces. A magnet is provided which is supported for movement b... | 01/04/1977 |
| 3976963 | Transducer for a path tracer A switching magnet is moveable along a row of magnetically operated switches and closes at least one switch opposite the magnet, which switches on a tap of a series circuit of resistors. The value of resistance is converted in an uninterrupted manner into... | 08/24/1976 |
| 3972403 | Decoding means for use with a typewriter Apparatus for attachment to a standard typewriter for selectively actuating one or more of a plurality of magnetically actuated switches in electrical circuits that are connected to recording means through an electrical matrix circuit. A switch and actuat... | 08/03/1976 |
| 3947974 | Cardiological manikin auscultation and blood pressure systems A manikin system for simulating a cardiological patient is disclosed including a stethoscope with a magnet in its head which when placed on the chest of a manikin will close one or more of a number of reed switches disposed beneath the simulated skin caus... | 04/06/1976 |
| 3945387 | Implantable cardiac pacer with characteristic controllable circuit and control device therefor An implantable cardiac pacer has a counter for encoding different binary numbers in response to clock pulses applied thereto through an internal clock pulse generating switch that can be activated from outside of the subject's body by application of radia... | 03/23/1976 |
| 3944762 | Key-operated switches A key operated switch device in which any one of a set of different keys may be utilized to operate a particular combination of sets of electrical contacts unique to that key, the sets of electrical contacts being provided by reed switches located adjacen... | 03/16/1976 |
| 3943485 | Alarm system for three-element windows An alarm system is constructed to energize when the bottom window or the top window of a three-element window assembly is opened, so long as the third element (usually a screen) is not in its closed position in front of the window being opened or if the t... | 03/09/1976 |
| 3943312 | Fire hose nozzle coupler switch An electrical switch assembly includes a housing adapted to be coupled to a hose and nozzle to form a fluid passage therebetween. The assembly has a pair of reed switches which provide signal input to circuitry and each switch may be activated by the manu... | 03/09/1976 |
| 3942145 | Snap-action switch A snap-action switch moves a spring-biased, movable contact against a stationary contact. The switch includes a toroidal permanent magnet mounted loosely on a nonmagnetic, self lubricating plunger. The magnet is normally magnetically attracted to and adja... | 03/02/1976 |
| 3936754 | Device for detecting the opening of throttle valve of diesel engine for vehicle A device for detecting the opening of a throttle valve of a diesel engine for vehicles. The device comprises a magnetic shield adapted to be rotated responsive to the opening of the throttle valve, a magnet adapted to be inserted into the magnetic shield,... | 02/03/1976 |
