Abstract: A combination ornament in the form of a flower and a sprinkler head is provided. The flower is made up of petals and is swingably supported on the sprinkler head. A piston in the sprinkler head is actuated by a water supply which moves the piston upward to move the petals downward out of line with the sprinkler head. A spring is provided in the sprinkler head for forcing the piston downward when the water supply is shut off, for moving the piston and the petals to a closed position.

Abstract: A magnetic trap made up of a hollow, generally cylindrical body, having an open top, an inlet and an outlet for connecting to a flow line for liquid containing entrained removable magnetic material. There is a removable cover for the hollow body, a plate is supported on the cover, and elongated, spaced non-magnetic tubes are fixed to the cover. Elongated stacks of permanent magnets are attached to the plate and extend through the cover into the tubes. When magnetic material held to the tubes by the magnets is to be removed, the cover can be removed from the body, the magnetic stacks can be pulled out of the non-magnetic tubes with the plate, thereby removing the magnetic fields from the tubes so that the magnetic material held to the tubes falls off of the tubes, thereby cleaning the tubes.

Abstract: A delivery signal system and device and method of delivery indication to indicate the location for a delivery to be made. The delivery signal device includes a polymeric transparent film having indicia thereon. Adhesive holds the delivery signal device to a delivery container. In a preferred embodiment of the invention the delivery signal device includes a paper backing and a polymeric transparent film having an electrostatic charge and indicia thereon formed by a luminescent coating. The electrostatic charge is effective to hold the polymeric transparent film and paper backing together. Adhesive holds the paper backing of the delivery signal device to a delivery container. A release coating on the paper backing on the side facing the adhesive allows the delivery signal device to be readily separable from the delivery container. In use the delivery signal device is removed from the delivery container, and the delivery container is discarded.

Abstract: A photo development apparatus made up of a development tank and a heater tank having an immersion heater in the heater tank. A flow means connects the development tank to the heater tank and a manifold connecting the heater tank to the development tank by means of a direction control means including a fitting directed at about 5 to 15 degrees to a radial line from opposite sides of the development tank so that an interference laminar flow is created in the development tank thereby providing agitation.

Abstract: A simple form of woodwind instrument of the clarinet-type and flute-type is shown. Each instrument utilizes the same body made of PCV pipe and different sound generators of clarinet-type mouth pieces or flute-type head joints designed to fit the body. The instrument is intended for beginners in a general music classroom setting grades 1 through 6, possibly complementing the "Orff instrumentarium" of percussion instruments. The simplified instrument may be used along to provide "hands-on" introduction to the legitimate woodwind instruments (clarinets and flutes) in a step-by-step preparation for playing these instruments.

Abstract: Needlepoint sheet having channel perforations with octagonal upper and lower openings. Thread drawn through a channel in a diagonal direction is pulled over a flat surface which widens the area covered by the thread. The needlepoint sheet is made of a polymeric material. The perforations are preferably formed into a plurality of aligned rows for receiving the thread. Each channel is enclosed by eight sides which form octagonal upper and lower openings. The width of each of the sides is substantially equal. In a preferred embodiment of the invention each of the sides form a plane, and the height of each of the side planes is substantially equal. In a preferred embodiment of the invention each of the side planes merge along a curved portion of the wall. This distributes the stress during bending of the needlepoint sheet, and reduces cracking and breakage thereof. In use thread is extended through the channels.

Abstract: An articulator having an upper frame having an upper arm and a lower frame having a lower arm. A pivot is provided on the upper arm swingably supporting the upper frame on the lower frame. Adjusting mechanism is provided for adjusting the upper arm relative to the lower arm so that a casting supported on the upper arm can be rotated relative to the lower arm or tilted up and down, forward and laterally, as well as swinging the upper casting relative to the lower casting. The dental articulator simulates the operation of human jaws for use in the manufacture of false teeth. An upper frame representing the upper jaw is mounted to a lower frame by a pair of ball and socket joints which may be adjusted to approximate a specific patient's jaw hinge. The adjusting mechanism can include a computer controlled motor for adjusting the upper arm relative to the lower arm in accordance with X-ray data of a patient's jaw structure.

Abstract: An exercising device having a longitudinally extending frame, a first side and a second side. Spaced first legs, second legs and intermediate legs are fixed to the longitudinally extending frame and extend upwardly therefrom. A first seat frame and a second seat frame are swingably supported on the first side and the second side of the frame. The first seat frame is swingable to a first position with the distal end thereof resting on a support surface or swingable to a second position with the distal end thereof resting on a lateral intermediate member and forming a continuation of a fixed seat frame. The second seat frame is swingably attached to the longitudinally extending frame at an intermediate position between the second legs and the intermediate legs.

Abstract: A screen printing system and method is provided in accordance with the invention by using a circular base, a screen, an article to be printed and ink. The circular base has a planar top face. The circular base supports the article to be printed, such as an item of clothing made from cloth. The screen is held in a planar position by a rigid frame. The plane of the screen is positioned above and parallel to the plane of the top face of the circular base. The circular base has a side face with a groove therein which is adapted to hold a resilient flexible annular member. The resilient flexible annular member evenly holds the article to be printed to the circular base so that no wrinkles are allowed to remain in the article to be printed. If wrinkles were allowed to remain in the article to be printed then the pattern of the design to be printed would be distorted on the printed article. The screen includes a fine mesh cloth of fibrous material, such as, silk or nylon or similar filament.

Abstract: A game board comprising a bottom, and a false bottom supported on the bottom by spacers, barriers on the false bottom providing spaces defining entrances to pockets. Pairs of swingable arms swingably supported on the false bottom to project marbles toward another entrance and to guard marbles from entering the spaces between the barriers, whereby marbles passing said arms into said pockets are lost to certain players.

Abstract: An animal entrance to be installed in a window, made up of an elongated enclosure with a front entrance door, a rear exit door and a swinging door between the front entrance door and the rear exit door. In a second embodiment of the invention, two enclosures, each having an open end and a closed end, are telescoped together to adjust to the window size. Each enclosure has a door adjacent its closed end and a swinging door in one of the enclosures adjacent its opened end is provided, whereby an animal can enter one door, pass through the swinging door and exit the other door thereby going from outside the house to the inside and visa versa.

Abstract: A dressing tool gauge for positioning the cutting tool in removable head type dresser devices for grinding wheels. The dressing tool gauge will indicate the proper position for the cutting tool to dress a predetermined shape on the grinding wheel. A member is placed at the position and the cutting tool is slid into engagement with the member. The cutting tool may then be secured in its holder in that position and placed on the dresser device to be used.

Abstract: An outboard motor signal made up of a plate-like member bent at right angles at one end as a support and bent at 30 degrees at the other end, whereby the other end is disposed substantially vertical when the outboard motor is in position for transportation, thereby improving the visibility of the signal. A U-shaped spring is provided to hold the plate-like member in place on the motor and reflective tape is disposed on the outside of the plate-like member.

Abstract: A yard guard is disclosed which may be attached to a gable roof just above the eaves on a house that is to be re-shingled. The yard guard is a frame L-shaped in cross section with a guard rail to prevent old roofing material from falling from the roof onto shrubbery, grass and flowers to prevent damage and to save time in cleaning up.

Abstract: A sound simultation chamber having a top, lower edge, and sides with speakers attached to the inside surface of the sides near the lower edge, front and rear. The speakers are mounted so that they can be oriented in any of several directions so that an auditory effect can be had to accommodate different head positions, such as sitting, standing and reclining. The speakers can also be adjusted for adults and children. An auditory effect is created by (1) placement of speakers all around the subject, (2) strategic positioning of each speaker in relation to the subject's head to refine the effect mechanically and (3) sound is synchronized by the taping of the sound source and/or by switching the individual speakers manually or electronically.

Abstract: An adjustable door jamb assembly which can be simply and accurately aligned and installed in a door opening. The jamb assemblies are each made up of a fixed section and an adjustable section. Each fixed section has a plurality of snap-in guide clips supported thereon. The clips each have a plate-like body with a leg at each end and an integral cantilever tongue extending generally parallel to, but converging toward, the plate-like body of the clip so that the tongue is deflected away from the plate-like body. A flange on the adjustable section is received between the cantilever tongue and one of the legs. The tongue of each clip frictionally engages the adjustable section holding it in adjusted position on the door jamb.

Abstract: A drill has a shank with a central axis of rotation and at least one insert on one end of the shank. The insert has at least two cutting edges. The first and second cutting edges cooperate to form a hole when rotated about the central axis. One of the top and bottom faces acts as a seating face and the other acts as a cutting face. Cutting edges are formed on opposite sides of the cutting face. One end of each of the first cutting edges terminates in a juncture with a second cutting edge that extends from the cutting face toward the seating face. The first and second cutting edges cooperate to form a radiused hole when rotated about a central axis. The bottom of said hole is cut continuously across its entire area.

Abstract: Apparatus used for local simulation of a metallic pair of 22 Gauge conductors, such as comprising a telephone line, 6.5 miles in length at 70 degrees Fahrenheit consisting of a resistance network. This apparatus is useful for fault identification of telephone line amplifiers, allowing for local activation when used in conjunction with milliampere test meters, in lieu of a technician's required travel to a minimum of 6 miles to perform the same task. This apparatus is useful in that it allows for function testing of typical line amplifiers at the source of the metallic pair.

Abstract: A hob or shaper cutter for making a hub for a misalignment gear coupling having a hub and a sleeve. The hob or shaper cutter has cutting edges. Each cutting edge being inclined at a different angle to the center line of the tooth. The cutting edges are adapted to cut tooth flank surfaces having three adjacent involute shaped areas. Each involute shaped area having a different pressure angle than the involute area adjacent it. The involute areas of each tooth result in teeth with flanks that are generally cylindrical shaped, whereby hub treeth operate with a minimum of interferfence with sleeve teeth when operating with the hub misaligned with the sleeve.

Abstract: A trepanning tool having a hollow, cylindrical body having a central axis with a drive means on one end and a means supporting cutting inserts on the other end. The cutting inserts are arranged to cut in groups of three. Each insert has at least one generally straight cutting edge, the second insert of each said group being disposed generally perpendicular to the central insert, the cutting edge of the first and third insert each being disposed at an acute angle in a vertical plane to the cutting edge of the first insert whereby the three inserts cut a concave circular groove as the tool rotates.