Abstract: A cesspit water level indicator is provided. The water level indicator includes an expansible element which carries a sliding rod to move up and down relative to a fixed rod responsive to the change of water level in a cesspit. The sliding rod includes an electrical contact in the form of a pin. The pin slidably engages a resistive plate mounted to the fixed rod. The change in electrical resistance is indicative of the change of water level in the cesspit.

Abstract: An adjustable spindle includes an inner housing displaceable within an outer housing along a longitudinal axis thereof. The inner housing and outer housing define a chamber therebetween. A pump selectively pressurizes the chamber to displace the inner housing, while a clamping device centers and retains the inner housing on the longitudinal axis. An electric rotating machine is mounted inside and displaces with the inner housing.

Abstract: A gauge for measuring fluid level, especially cryogenic fluids, having a head assembly with a passageway to receive the upper portion of a lift rod assembly. The lift rod assembly includes a spring attached at the upper end to the head and at the lower end attached to a spring guide. A lift rod is mounted adjustably on the spring guide, and the upper end of the lift rod has attached a magnet and the lower end of the lift rod a displacement member. The upper end of the lift rod is received in the passageway of the head. Attached to the head adjacent to the passageway is a dial assembly adjustably mounted in relation to the passageway of the head.

Abstract: A main sensor electrode part 3 and a reference sensor electrode part 4 are deposited in patterns over the surface of a support member 10. A lead-out part 4b of the reference sensor electrode part 4 is extended through an unplated passage 11 of the main sensor electrode part 3 to the upper edge of the support member 10 to form there a terminal part 4a. A portion of the main sensor electrode part 3 is also extended to the upper edge of the support member 10 to form there a terminal part 3a. The support member 10 is deposited all over its surface with an insulating film 12 covering the both sensor electrode parts 3 and 4.

Abstract: The device includes a rigid vessel that supports a frustoconical membrane the projectile entry end and at a downstream end. The volume defined between the vessel side walls and the membrane is filled with a fluid under pressure. The pressure is adjusted to accommodate a particular projectile size and weight so that the projectile is decelarated over a distance that is chosen to minimize inertial loads on the projectile.

Abstract: An acoustic liquid level detector system includes, a) a first acoustic wave guide; b) an acoustic wave transmitter and an acoustic wave receiver operably associated with the first acoustic wave guide to transfer acoustic waves between, i) the acoustic transmitter and receiver; and ii) the first acoustic wave guide; c) a second acoustic wave guide; d) an angled juncture interconnecting the first acoustic wave guide to the second acoustic wave guide; e) a primary acoustic reflector provided in the angled juncture to angularly reflect acoustic waves between the first and second acoustic wave guides; and f) a secondary acoustic reflector positioned to directly reflect an acoustic wave emanating from the acoustic wave transmitter to the acoustic wave receiver. The second acoustic wave guide is provided with a plurality of longitudinally spaced orifices to facilitate ingress of liquid and flow of a cleaning purge gas outwardly of the second acoustic wave guide.

Abstract: A mount for displaying an item, such as a flag, message, slogan and the like, on a surface, such as a hood or trunk of an automobile includes a clip portion and an integrally formed wall having a shaped cavity therein. The clip has a first leg integrally formed with a second leg. The shaped cavity accepts the item therein, and projects outwardly from the first leg of the clip. The cavity extends through the first leg of the clip so that the item may be released from the mount upon removal of the mount from the surface.

Abstract: A bookmark for recording a reader's position within a book. The inventive device includes a mounting band securable about the cover of the book, with a positioning band coupled to the mounting band. A marker member is coupled to the positioning band and can be placed over the corner of the desired page to record the reader's position within the book.

Abstract: A bookmark has a rear plate and a front plate secured by an adhesive in juxtaposition to the rear plate. Either one or both of the plates is formed with an opening for receiving either a photograph or a supply of potpourri. The front plate has a planar surface for receiving either a preprinted message or an individualized message placed thereon by the user. In another embodiment, a plurality of openings are provided in the front plate, with one opening communicating with a photograph pocket for viewing a photograph enclosed therein, and a second opening for receiving a supply of potpourri, or chemical fragrance. The potpourri may be interposed between the book pages to mask any odors associated therewith and to provide a pleasing fragrance to the reader upon opening of the book.

Abstract: Apparatus for reserving a seat in an entertainment theater includes a casing and a tape which is extendable from and retractable into the casing. The casing and tape are looped over the armrests of seats to reserve the seats. Indicia on the tape denote that the seats over which the tape is extended are reserved.

Abstract: A modular signal device which fills the need of the elevator industry for differing types of signal devices wherein a surface mounted base plate includes turned up small ends, with a cover ring surrounding the base plate and utilizing a bolt at one small end and an adjusting screw on the other small end to rearwardly retain the turned up ends, with the cover ring including an inner collar which carries and retains a cover plate, with the cover plate including at least one opening and concentrically arranged second threaded bolts in order to receive switching elements such a push buttons, with first threaded bolts serving to attach the cover plate onto the collar of the cover ring. In further embodiments, the cover plate takes the form of lenses with filters, grids or arrow masks which serve to outwardly convey the signals produced by the signal devices attached to the collar.

Abstract: Temperature indicator for refrigerated products operating on the principal of solidification and melting of liquid bodies at room temperature is provided with a transparent envelope containing a capsule filled with an aqueous solution which is liquid at room temperature. The capsule includes a fracture point causing it to split into two parts due to solidification of the solution, and further includes a compressed spring positioned so that when the capsule is fractured, the spring remains compressed as long as the solution is in the solid state, and visibly and irreversibly separates the two parts of the capsule if the solution turns to a liquid. The monitoring device serves to verify that the temperature is maintained either between two limits or below or above a critical temperature.

Abstract: A horn for producing sound at a sporting event or festival has a sound tube coaxially surrounded by a pressure tube with a minimum clearance of 0.2 mm therebetween, a membrane being stretched over the ends of the two tubes and held by a retaining ring under tension. The tubes are held together at the opposite ends by a closing collar which closes the annular clearance and a hole is provided in the pressure tube substantially midway between its ends.

Abstract: A method and apparatus for detecting fluid level in a tank in the vicinity of a transmission line (1), the fluid level being such as to cause reflection of a signal transmitted along the transmission line. The method includes the steps of:a) transmitting a signal along the transmission line;b) monitoring the transmission line for any reflections of the signal;c) generating an analysis window of time (t.sub.1, t.sub.2, t.sub.3) if the magnitude of a given characteristic of the reflected signal is greater than a predetermined threshold value; andd) analyzing the reflected signal received during the period of an analysis window to provide the required information on the fluid level.

Abstract: A bookmark comprising of a folded cord member having two free ends, one to extend between the page to be marked, the other to extend between the front cover and the first page of the book. A size adjuster mounted toward the folded end of the cord member allows cords to be adjusted to fit the length of a book while anchors at the ends of the cord members keep the cord members from being pulled out of the book.

Abstract: A baffle assembly for use in an ultrasonic system for measuring the level of a contained volume of liquid by calculating the density of the liquid by determining the dielectric constant thereof. The baffle assembly is located at the lower end of a stillwell located within the volume of liquid, The assembly includes a pair of concentric sleeves formed of electrically conductive material located to surround the lower end portion of the stillwell. The sleeves are uniformly radially spaced from one another so as to function as a capacitor so that the electrical capacitance between the respective opposed surfaces of the sleeves may be determined.

Abstract: An arrangement for mounting a stone golf course marker to a foundation and for mounting accessory equipment to a stone golf course marker is disclosed. A connector is embedded in a concrete foundation and comprises a pair of parallel spaced-apart rods interconnected by a cross member. The rods are maintained in predetermined spaced-apart relation by the connector, enabling corresponding holes to be drilled in the base of the stone golf course marker at the manufacturing facility. The mounting arrangement for mounting accessory equipment to a stone golf course marker includes the use of sleeves disposed within bores in the stone golf course marker, with mounting members of the accessory equipment engaging the sleeves, rather than engaging the stone golf course marker directly. This sleeve arrangement disperses stresses and helps minimize cracking, chipping and damage to the stone marker resulting from lateral stresses exerted on the accessory equipment.

Abstract: An indicator for a gauge, such as a floor scale. The indicator includes a semi-circular dial and a two-pronged needle indicator that is free to rotate 360.degree. within the gauge with only one of the two prongs being used at a time.

Abstract: A device for measuring a powdered or granular product includes a product receptacle having an open end, a side wall surrounding the open end and a sealing member disposed opposite the open end and coupled to the side wall. The side wall is coupled to the sealing member so that product received in the receptacle can leave the receptacle only through the open end. The device further includes a handle extending, a first end of which is coupled to the side wall so that a consumer of the product may rotate the handle from an initial position for packing the measuring device and the product into the package to a measuring position for measuring desired quantities of the product. When in the initial position, the handle extends from the side wall substantially parallel to the first direction and, when in the measuring position, the handle extends away from the side wall in a direction substantially perpendicular to the first direction.

Abstract: A measuring device consisting of a container or vessel is disclosed in this invention to provide a safe, accurate and fast means to obtain a desired quantity of a fluent material. The fluent material can be any liquid or grandular material that has a relatively flat top surface. The container has a first volumetric portion that contains an exact volume when filled to the level of an overflow weir. A small overflow volume is allowed to pass over the weir into a second volumetric portion of the container. A diaphragm separates the two volumetric portions and is positioned within the container to allow the exact volume to be discharged without discharging the overflow volume. The overflow volume is safely returned to a bulk source container to conserve the fluent material. Only limited dexterity is required to quickly obtain an exact volume; as a safety lip is provided above the top surface of the fluent material which is limited by the weir height above a base of the container.