A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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| Number | Title | Issue Date |
| 4348169 | Control of burners The invention relates to the control of burners, e.g., for boilers or furnaces and has for its objective to provide means whereby the combustion conditions existing at a burner are initially governed by pre-determined conditions which conditions can be au... | 09/07/1982 |
| 4291412 | Portable radio frequency/channel display system A portable radio frequency/channel display control system for use in a portable radio device or the like which is powered by a battery and of the type which includes a display for indicating the frequency/channel to which the radio is tuned. The system se... | 09/22/1981 |
| 4289274 | Rail track A rail length and rail joint is described which avoids the use of bolts, the rail length comprising basically a fastening element secured at each rail end to be joined, the element being provided with a through bore extending parallel to the longitudinal ... | 09/15/1981 |
| 4284113 | Hydraulic log splitter A manually operated log splitter is provided. The log splitter comprises a bi-ended main beam, a splitter wedge fixed at one end of the main beam, and manually operated hydraulic power means fixed to the other end of the beam. In accordance with the inven... | 08/18/1981 |
| 4283155 | Apparatus for connection of operating rod An apparatus for rotatably connecting an operating rod to a rotary operating member, which apparatus comprises a main connection member made of a synthetic resin and integrally provided with a head portion incorporating retention means for retaining the o... | 08/11/1981 |
| 4282575 | Control system for vending machine A control system for a vending machine which accepts coins or bills of different denominations assigns a given amount of credit to each such monetary unit (i.e., a coin or a bill) accepted. The novel structure of the invention allows operation with moneta... | 08/04/1981 |
| 4281759 | Conveyors A scraper chain conveyor with conveyor pans defining a bend round which flight bars are guided in the general plane of the conveyor is provided at the outside of the bend with an auxiliary conveying unit comprising two spaced apart sprockets rotatable abo... | 08/04/1981 |
| 4280389 | Piano soundboard A bass bridge for a piano is provided wherein a runner is fixed to the soundboard, an apron is fixed to the runner and is cantilevered therefrom along one edge, and a bridge cap is fixed to the other edge. The runner and apron have a plurality of slots ex... | 07/28/1981 |
| 4277833 | Planter population monitor A monitoring apparatus for simultaneously monitoring a plurality of functions of a machine, such as a multi-row seed planting machine, includes a programmed microprocessor. A plurality of sensors detect the machine functions to be monitored, and the micro... | 07/07/1981 |
| 4276506 | Motor control circuit A motor control circuit controls the speed of a single-phase split capacitor or shaded pole electric motor, and permits operation of the motor over a wide range of speeds without stalling. A first gated bilateral switch such as a triac is connected in ser... | 06/30/1981 |
| 4274460 | Panel fastener joint There is disclosed a structural joint comprising a workpiece in the form of a section of sheet material and a fastener assembly, wherein the components of said joint are constructed to retain the fastener assembly in mounted relation with respect to the s... | 06/23/1981 |
| 4274096 | Aircraft proximity monitoring system An aircraft proximity monitoring method according to the invention comprises the steps of: continuously and repeatedly developing and transmitting signals corresponding to the positions relative to a first location of aircraft within a predetermined range... | 06/16/1981 |
| 4272943 | Envelope processing machine and method The present invention provides a machine and method wherein envelopes are removed from a supply hopper, one by one; transmitted to a cutting station wherein one edge of the envelope optionally may be severed; the envelope then being transmitted to a proce... | 06/16/1981 |
| 4272300 | Method for cleaning grease-filled cable stub An unsheathed grease-filled cable stub has the grease removed from around the insulated wires by subjecting the cable stub to radiant heat over the length of the stub and over a major portion of its circumference while the stub is supported on a flexible ... | 06/09/1981 |
| 4272051 | Apparatus for metering fluids A clamp for providing a stable fluid flow rate through a flexible tubing has a channel having a bottom wall including an anvil for supporting the tubing and an opening along its entire length for readily receiving and supporting the tubing against the bot... | 06/09/1981 |
| 4271741 | Accompaniment system for electronic musical instrument An accompaniment system for an electronic musical instrument is selectively actuatable for producing accompaniment effects such as arpeggio in accordance with selectable notes or chords and with selectable rhythm patterns. The electronic musical instrumen... | 06/09/1981 |
| 4271656 | Envelope processing machine There is disclosed a new and improved envelope processing machine. The machine includes a supply hopper for retaining a quantity of envelopes to be processed, an envelope processing station, means for removing envelopes from the supply hopper and for tran... | 06/09/1981 |
| 4271020 | Valve for filter device A valve assembly for a fluid filter includes a rotatable valve spindle movable with respect to the value housing and having first and second channels communicating with the filter, the channels also communicating with first and second bores of the housing... | 06/02/1981 |
| 4269327 | Device for carrying out high precision dilutions and dosages of liquids, particularly biological liquids A device is provided comprising in combination a support frame, a block or interchangeable element mounted on the frame, a pair of pistons carried by the block and reciprocated by a motor mounted on the frame, a set of ducts and valves connecting the pist... | 05/26/1981 |
| 4268825 | System for monitoring the movement of objects particularly the feeding of seeds A system for monitoring the movement of objects through a predetermined path comprises a sensor producing electrical signals by the movement of the objects through the path, a measuring circuit producing a measurement of the rate at which the objects move... | 05/19/1981 |
| 4265167 | Deoxygenating unit A system for deaerating water is offered for use in brewing beer and the like. The novel system comprises a water-receiving preliminary deaerator, a water flow metering device, and a gas-exchange deaerating column connected to the water flow meter. The de... | 05/05/1981 |
| 4263991 | Combined failsafe and service brake A hydraulic or fluid-power brake is disclosed. The brake comprises a stationary housing, and a rotor shaft journaled in the housing. A number of rotor discs are carried on the shaft for rotation therewith, but they are adapted for axial sliding motion on ... | 04/28/1981 |
| 4262478 | Agricultural machine According to the present invention an agricultural machine for forming a round bale of windrowed fibrous material comprises a displaceable chassis carrying spaced apart side plates defining the width of a bale-forming chamber, a pick-up device located tow... | 04/21/1981 |
| 4262371 | Air-water outlet fitting An outlet for use with spa pools or the like where water and air are mixed by a "Venturi Pump" to provide a water/air stream, the outlet having a direction control device for controlling the direction of the water/air stream, the "Venturi Pump" being loca... | 04/21/1981 |
| 4262317 | Line protector for a communications circuit A protector for a communications line comprises a three electrode gas tube surge voltage arrester as a primary protective device and metal oxide varistors as additional protective devices. In series with each side of the line, is an inductor that serves t... | 04/14/1981 |
| 4261402 | Captive thread forming terminal screw A self-tapping, self-captivating fastener is provided for engagement in a predrilled aperture to enable the connection of an electrically conductive element such as a lead wire, or spade type terminal attached to the end of such a wire, to a workpiece or ... | 04/14/1981 |
| 4260848 | Ready access closure for communication cables A ready access closure is provided for communication cables of the type having an outer dielectric sheath and an electrically conductive shield surrounded thereby. The closure further includes a frame structure having end brackets, a longitudinal strap an... | 04/07/1981 |
| 4260229 | Creating visual images of lip movements A system and method that creates visual images of lip movements on film, video tape, or other recorded media. Speech sounds are analyzed, digitally encoded and transmitted to a data memory device. Stored within the data memory device is a program for prod... | 04/07/1981 |
| 4256002 | Large scale integrated circuit generator chip for electronic organ In an electronic organ or the like constructed of a plurality of large scale integrated circuit (LSI) chips, the present disclosure relates to a generator chip. The chip is operative over one octave of notes, and a string of chips is cascaded to provide a... | 03/17/1981 |
| 4255959 | Dies for making thread-forming screw with step taper A thread-forming screw has a point or lead thread portion having a relatively steep entry angle with respect to the screw axis. Adjacent to the point thread is a tapered thread portion of about two to three pitches in axial length. This tapered thread has... | 03/17/1981 |
| 4254682 | Production of chord notes in a digital organ The notes of an accompaniment manual of an electronic keyboard musical instrument such as an electronic organ are multiplexed. The key switches are sequentially scanned and the serial information produced is fed into a shift register. Digital circuitry re... | 03/10/1981 |
| 4253766 | Optical grain analysis instrument An analysis instrument for measuring the quantity of a constituent present in a sample of a material comprises a housing having a sample receptacle mounted therein to receive a sample of the material. A filter assembly is mounted in the housing including ... | 03/03/1981 |
| 4253763 | Reprographic camera A reprographic camera is described having a table for an original subject, an objective and an image frame. One of these parts is fixed and the others are relatively movable to produce variable scale images or reproductions of the original. The movable pa... | 03/03/1981 |
| 4253717 | CRT Socket There is disclosed a new and improved socket for making electrical connections to the pins on the neck of a cathode ray tube. The improvement includes a plurality of first conductive contacts which are arranged to engage the pins of the cathode ray tube a... | 03/03/1981 |
| 4253640 | Actuation system for valve with compound closure movement A valve actuation system is provided for a valve of the type wherein at least two separate movements are utilized to achieve either opening or closing thereof. The actuation system includes a pair of hydraulic or pneumatic actuator units for automatically... | 03/03/1981 |
| 4253496 | Heavy duty power valve A brake valve is disclosed, which is provided with an enlarged chamber, at one end of which is slidably disposed an annular piston. A reaction piston is carried on a valve rod; the reaction piston radially extends so as to cover the annular piston. When t... | 03/03/1981 |
| 4253369 | Digital control of attack and decay In a digital electronic organ or the like external waves of controllable duty cycle are used to control the on time of a field effect transistor (FET) through which a capacitor is charged. A similar rectangular wave of controllable duty cycle is applied t... | 03/03/1981 |
| 4253366 | Large scale integrated circuit chip for an electronic organ In a modular, expandable organ system comprising a plurality of large scale integrated circuit (LSI) chips an LSI chip is provided which produces chord and bass frequency generation and identification. It automatically coordinates with another chip in rhy... | 03/03/1981 |
| 4253315 | Refrigerated air dryer There is disclosed an air dryer system for removing moisture from compressed air. The system includes a coil means including a plurality of axially spaced convoluted tubing sections wherein each tubing section has an inlet adapted to be coupled to the com... | 03/03/1981 |
| 4252083 | Livestock feeder system with water level control There is disclosed a system for dispensing feed and water for livestock which includes a container arranged to receive the feed and water and is adapted to permit access to the feed and the water by the livestock for consumption. The system further includ... | 02/24/1981 |