Abstract: The immersion extractor is designed for use with a solid material containing an extractable component and includes a plurality of adjacent chambers each formed to contain a liquid solvent bath for extracting the component from the material and a continuous conveyor for displacing the material through the chambers. Partitions are used to define substantially vertical entryways for the conveyor at one side of the chambers and substantially vertical exitways for the conveyor at the opposite side of the chambers thus maintaining between the entryway and exitway of each container a quiescent solvent surface which is decanted for removal of solvent and dissolved component. A single continuous conveyor is used and the return leg of the conveyor is structured to carry out a final percolation-type extraction of the extractable component.
Abstract: Crossword puzzle game equipment is disclosed which includes a game board having an array of columns and rows of side-by-side spaces that are sequentially numbered but do not define a puzzle pattern. The game equipment further includes a clue book having a plurality of crossword puzzle clues or definitions printed thereon and a puzzle pattern defining list of selected numbers of spaces which are to be blacked out or otherwise designated as non-playing spaces to form the puzzle pattern. The clue book is preferably formed for free-standing support in a generally vertical orientation proximate the game board to act as a privacy shield for competition between multiple players having the same game equipment and simultaneously solving the same crossword puzzle. Optionally, the clue book is mounted to a foldable game board to provide the privacy shield and a clue support structure.
July 20, 1978
Date of Patent:
June 24, 1980
Alexander Curtis, Mark L. Landsberg, Edwin J. Meyers
Abstract: A bearing composed of concentric radially spaced circular inner and outer races confined in a common plane for relative rotation by sets of rolling members having rolling contact with the races and with each other, the parts being dimensioned to provide substantially slack-free engagement with the members of one set maintaining separation of adjacent pairs of members of the other set, and with the races and members being formed for mutual support and retention in a common plane of rotation.
Abstract: A luminous toy, including a light source and an elongated hollow member formed of translucent material extending therefrom for receiving light longitudinally through the member, and an elongated sinuous strip of light-reflecting material mounted interiorly of the member in position for receiving and reflecting light from the source.
Abstract: A process of producing within a subterranean oil shale deposit a retort chamber containing permeable fragmented material wherein a series of explosive charges are emplaced in the deposit in a particular configuration comprising an initiating round which functions to produce an upward flexure of the overburden and to initiate fragmentation of the oil shale within the area of the retort chamber to be formed, the initiating round being followed in a predetermined time sequence by retreating lines of emplaced charges developing further fragmentation within the retort zone and continued lateral upward flexure of the overburden. The initiating round is characterized by a plurality of 5-spot patterns and the retreating lines of charges are positioned and fired along zigzag lines generally forming retreating rows of W's. Particular time delays in the firing of successive charges are disclosed.
Abstract: A heat transfer panel is disclosed which can be used as a solar energy collector or as a heat rejecting and absorbing panel. The heat transfer panel employs a thin, flexible membrane mounted to the panel in a distorted condition to define, in part, a plurality of fluid channels. The membrane may take the form of a sealed envelope having inlet and collection means communicating fluid to and from the envelope or may simply be a single membrane. Preferably the membrane is mounted over and distorted against a support surface having side-by-side recesses formed therein. Several apparatus for distorting the membrane against the support surface to form fluid channels are disclosed, as are apparatus for incorporating the panel as an integral building element of a structure. The heat transfer panel is further formed for operation as a contained but low pressure fluid heat transfer system.
Abstract: A nozzle useful for cleaning deposits from the interior wall of a pipe, the nozzle including a body having a hose connection for accepting a stream of high pressure fluid and having at least three skids to hold the body away from the interior pipe surface, and a turbine connected to the body through a bearing, the body including jets to discharge high pressure fluid in a direction to propel the nozzle through the pipe being cleaned and the turbine having jets positioned to drive the turbine to rotate and to impinge against the interior wall of the pipe.
Abstract: An electrical testing instrument including a high gain amplifier circuit having a pair of inputs, one comprising a probe and the other covered at least in part by a non-conductive material and being adapted for manual engagement by the user for completing an input circuit through the body of the user. The circuit has a battery and a current-responsive indicator in its output circuit to provide a signal when current flows in the input circuit to provide a critical forward biasing of the amplifier. The battery is connected to furnish such input current when the input terminals are connected in a closed circuit having a resistance of at least approximately the resistance of the user's body. The amplifier circuit is further arranged that when the probe is contacted with a live AC power line and the user engages the portion of the manually engageable input terminal which is covered with a non-conductive material, an operating indicating current will also be present in the output circuit.
Abstract: An externally applied penile catheter providing an inflatable air chamber extending over and around the penile glans and shaft and applying a uniform pressure thereto for holding the catheter in place and being connected to one end of the drainage tube, the structure additionally co-functioning to anchor the end of the drainage tube in substantial abutment with and in registration with the urethral meatus.
Abstract: There is disclosed a device for carrying golf clubs which includes a molded upper plate having individual holes for the handles and shafts of the clubs to be carried and having contoured surfaces coinciding with the loft angle of golf club irons so that each iron is maintained with its striking face in contact with a mating surface while it is being transported in the device, and with each contoured surface being longer than the corresponding surface of the golf club whereby, when the device is oriented with the gold clubs vertical, the contoured surfaces extend to a higher elevation than any portion of the heads of the golf clubs.
Abstract: A paint pan including a shallow pan portion terminating in a reservoir, the reservoir having a common wall with the pan portion, the common wall sloping such that the bottom of the reservoir is narrower than the top, and the sloping wall including a passageway for paint to flow from the reservoir onto the deck of the pan with a hinged valve element in the reservoir which swings from an open position in the reservoir to a closed position covering the passageway and having an actuating element extending through the passageway to a position above the deck of the paint pan.
Abstract: A handrail assembly for a curved staircase, which includes baluster means having support elements adapted to connect to a handrail with connectors such as screws and a handrail formed from stranded aluminum cable coated with a continuous layer of heat-sealable plastic and connected to the support elements. Methods for splicing the handrail and mounting it on the staircase are also disclosed.
Abstract: A sealant composition particularly for use in joints between adjacent concrete slabs and deck membranes which includes coal tar pitch, vinyl chloride polymer, a solid, particulate filler and an additive mixture of a blend of petroleum-based aromatic distillates boiling from about 220.degree. C. to about 650.degree. C.
Abstract: A method and apparatus for trouble-shooting an irrigation system having a plurality of independently operable irrigation branches and an automatic controller for control of water flow in the branches is disclosed. A radio transmitter and a radio receiver are tuned for the transmission and receipt of two differing signals. The receiver is electrically connected to the controller at a position between the timing apparatus and the rapid station advance motor and at a position enabling direct actuation of water flow. The radio receiver produces output signals actuating the controller in response to the received radio signals. Thus, one radio signal is used to select the branch of the irrigation system through which water is to flow, and the other radio signal is used to trigger flow of water in the selected branch.
Abstract: A steering wheel cover comprising an annular band of soft, flexible material having a length dimensioned for distension around a steering wheel rim and a width dimensioned for wrapping around said rim, juxtaposing opposite side edges of the band. The band is formed with hems at and extending longitudinally of the side edges and is perforated for interlacing the side edges. A flexible cord is mounted in and extends longitudinally of each of the hems between the perforations and the side edges. The cords and perforations are positioned for and the cords have tensile strength requisite for transmitting to the side edges the clamping action of the interlacing while relieving stress on the walls of the perforations.
Abstract: A band saw having a generally vertically oriented saw blade carrying frame mounted to a movable carriage is disclosed. The carriage is mounted in a horizontally extending guideway in the saw base by an arm which is cantilevered from the back side of the vertical saw frame for support and guided motion of the saw from a relatively debris free portion of the saw base. Additionally, the band saw includes a work piece supporting bar feed table having a movable vise which is stabilized against backward tilting and a roller support assembly constructed so as to accommodate load concentrations from heavy, bent bar stock. Finally, an improved band saw blade guiding assembly is disclosed.
Abstract: A chair assembly mounting apparatus is disclosed which may be employed to mount a chair, gondola, platform, etc. to a hanger arm for use in a chairlift or the like. The apparatus provides a movable connection between the chair frame and hanger arm which reduces vibration and fatigue and yet damps or resists excessive motion. The mounting apparatus includes a rubber-like member which encircles a frame portion, preferably having a flange thereon, and in turn is encircled by a support housing rigidly mounted to the hanger arm. Movement of the frame relative to the hanger arm causes the flange to resiliently displace the rubber-like member.
Abstract: The subterranean fragmented and pervious zone is formed beneath an overburden which, as a first step of the process, is lifted as a substantially monolithic land mass to produce a void space and a free space proximate the rock to be fragmented, the raised overburden thus providing a substantially impervious lid or closure for the fragmented zone as formed by the present invention. Explosive charges are then placed proximate to and for blasting against the free face formed on raising the overburden. The charges are exploded to fragment the rock to distribute the space, thus producing fractured, pervious rubble-ized rock in a defined and enclosed zone. Different techniques are disclosed for the critical raising of the overburden and subsequent fragmenting of the rock.