Abstract: A bowl support ring for a gyratory rock crusher has an annular inwardly directed threaded surface extending in an upright direction. A bowl having an outwardly directed threaded surface is engageable with the threaded surface on the bowl support ring for supporting the bowl on the support ring and for rotatably adjusting it to different vertical planes. A locking ring threadedly engaged with the bowl above the support ring is connected to downwardly extending hydraulic cylinders secured to the main frame of the crusher. These cylinders are arranged to apply a hold-down force on the locking ring which in turn provides a hold-down force acting through the threads of the locking ring and bowl to maintain the bowl in a stationary vertical position and also to frictionally lock the threads of the locking ring and bowl together to maintain the bowl in a non-rotatable position. A plurality of retainer pins with adjustable thrust portions maintain the locking ring in proper spaced relation from the support ring.

Abstract: A diver body portion has a flexible link with a pole line connected between the ends thereof. The flexible link is connected to the top surface of the body adjacent the forward and rearward ends, a rearward connection comprising a pair of connecting points for diverging portions of the flexible link to stabilize the rearward portion of the diver when it is subjected to water current. The body portion is buoyant, with the principal buoyant portion being at the rearward end whereby the diver will rise to the surface with the rearward end pointed upwardly when there is no tension on the fish line. The front connection for the flexible link comprises a rearwardly facing flexible link that is releasable by a force being applied in a direction opposite from the fish line, such as when a fish strikes the bait line, such releasing action neutralizing diving effects of the diver. A weight is slidably mounted on a longitudinal rod at the bottom of the body portion and assists in diving and retrieving actions.

Abstract: A pair of denture sections have curved front and side portions cooperating to form a U-shape to fit the lower jaw of a person. Front edges of the sections are disposed adjacent each other and between two front teeth and a bottom layer of resilient material is bonded integrally to both sections. A front reinforced portion of resilient material connects the sections together into an integral unit. The resilient connection allows the sections to adjust relative to each other to compensate for distortion of the gums during chewing, and a flexible torsion bar is connected across the front edges in an area through a reinforcing portion of the resilient material whereby to reinforce the connection and yet to allow the adjustable movement of the sections.

Abstract: The spinner is formed of a thin film of a type and gauge that normally retains its shape but at the same time is flexible. The spinner has shrink points on opposite side edges of the rounded end portions which are offset from each other relative to the center of the body portion and which due to the distortion of the material at the shrink points form propeller-like, cupped end portions. In the method of forming the spinner, the blank is cut with the rounded end portions and narrowed body portion. The blank is formed into a propeller-like spinner with cupped blades and a propeller pitch by shrinking the film at points of the rounded end portions which are offset from each other and on opposite sides of the longitudinal center.

Abstract: A pair of grinding wheel dressing tools are mounted on a common support slidably mounted in a base secured in a fixed position adjacent a grinding wheel. The support has adjustment for repositioning it as the grinding wheel wears and requires dressing. The adjustment for the support maintains the pair of wheel dressers in their selected dressing planes as adjusted positioning between the wheel dressers and the grinding wheel occurs.

Abstract: A shield plate has supporting structure at one of its ends for securement to the ear flap of a batting helmet. Such support structure holds the shield plate in one of two positions, one such position being a forwardly extending down position protecting the face but spaced sufficiently low to allow side vision for the batter, the other position being an up or out of the way position overlying an upper portion of the helmet. The shield plate is adjustable to selectively position it at different angles relative to the ear flap in its down position. The shield plate may be fitted on original manufactured helmets or on existing helmets.

Abstract: A gate valve body member 10 and plastic liner 12 define a flow passage 24 therethrough which communicates with a pair of pipes 34 bolted to the gate body. The liner has a bottom seating surface engageable by the gate 22 and extending from a central point outward to the sides of the flow passage. A top opening recess 54 in the liner 12 receives the gate in a slidable sealing fit. The recess and gate are wider than the flow passage and defining walls of the gate receiving recess terminate at the bottom intermediate the center and sides of the seating surface to provide side sealing and pressure backing support in both directions of flow for a lower portion of the gate and particularly a support below the horizontal center line of the flow passage. The seating surface includes a central arcuate surface portion and straight surface portions joined therewith and extending outwardly to the sides, the bottom edge of the gate being configured to fit the arcuate and straight surface portions.

Abstract: A control head has support structure arranged to support it at the rear side of a dashboard. This control head supports a mode control lever and a valve having an elongated housing with pressure inlet and outlet laterals therein. The outlet laterals are arranged to communicate with remote fluid pressure operated structures, and the valve has a stem operated by the mode control lever for controlled operation of the inlet and outlet laterals upon pivoted movement of the lever to operate the remote fluid pressure operated structures. The structural arrangement of the control head facilitates use of quick connect and disconnect flexible tubing between the inlet and outlet laterals and with the fluid pressure operated structures. The control head also has a cam switch operated by the mode control lever for controlled operation of an air conditioning unit.

Abstract: A first insert is arranged to be engaged with one surface of a matchboard in alignment with a bore in the matchboard. A second insert has a portion thereof arranged to be engaged with the opposite surface of the matchboard at the bore. The first and second inserts have impression forming portions arranged to make recess and projecting contours respectively in impression material with a close tolerance interfitting engagement when in facing relation to provide anti-shifting connection to opposed portions of the impression material. The inserts have a telescoping engagement which precisely aligns the first and second inserts in their impression forming functions, and such telescoping arrangement provides adjustable mounting of the inserts on matchboards of different thicknesses.

Abstract: An electrically operated counter is associated with a valve communicating with fuel feed mechanism of a diesel engine. The valve has a first position which allows normal fuel flow to the engine and has a second position allowing only partial fuel flow to the engine. An electrically operated control is activated by the counter at a selected RPM reading of the counter to move the valve to its second position to reduce fuel flow to the engine and consequent reduction of power. The control has a delay therein for delaying operation of the valve for a selected interval after the RPM of the engine has reached the RPM setting of the counter. Activation of the delay is made apparent to the operator by a signal energized simultaneously with initial actuation of the delay. A signal may also be employed that is activated prior to the delay and its signal to warn the operator of impending governing functions.

Abstract: The structure comprises a fluid operated cylinder driving a piston rod in a barrel adapted to be connected to a mold for injection. The piston rod extends from one-half to two-thirds the length of the barrel whereby the molten portion of solid plastic cartridges is ejected by the piston rod pushing on the solid portion of the cartridges The piston rod has one or more lateral recesses to catch molten material that may escape rearwardly past the solid cartridges. Novel indicators are employed to monitor plastic flow. The inner surface of the barrel is tapered adjacent the outlet end thereof for efficient flow of molten material. The barrel at an ejecting nozzle thereof is heated by a torch or by a heat band secured thereto. An inner core is provided for efficiently mixing and heating the plastic. A thermocouple and an electrically operated display device are combined with a temperature adjusting device for providing controlled temperature conditions.

Abstract: A body member of protective material has opposite surfaces. One of such surfaces has a pressure sensitive adhesive thereon. The body member is bendable whereby upon placing a sharp instrument to be disposed of on the adhesive surface to stick it in place and bending the body member upon itself into connected fold portions at the adhesive surface, a casing is formed around the instrument to hold it securely between the fold portions and to protect personnel from the sharp portion of the instrument. The adhesive surface of the body member is covered by a removable protective layer until use and in addition an auxiliary protective layer is provided on the body member to further restrict penetration of the sharp instrument through the device during disposal steps. The body member is formed of one piece and is bendable along any line thereof. It is dimensioned so as to receive and hold only a single instrument. It can have a lateral tab portion which serves some useful purposes.

Abstract: A container has top, bottom and side walls with open ends. A slot is provided in each of the top and bottom walls and lead in opposite directions from respective ends of the top and bottom walls and terminate short of the respective other ends. The container and its end openings are dimensioned to receive slidably a plurality of batteries with the cathode of some of the batteries projecting through the slot in the top wall and the cathode of others of the batteries projecting through the slot in the bottom wall whereby to distinguish between batteries contained in the holder.

Abstract: A disc-shaped rotatable grinding wheel has association with a saw chain holder such that in the support of a chain thereon oppositely facing cutter elements can be ground at the same point on the grinding wheel. The saw chain holder has a pivotal mounting for positioning the saw chain at the same point on the wheel for the oppositely facing cutter elements. Various adjustments are included in the structure for positioning the chain in place and for limiting the position of grinding structure.

Abstract: A pair of support members are arranged for mounting on the floor of a vehicle cargo area and support a cargo box by rollers for movement between forward and rearward positions to provide easy access for loading and unloading the box at the rear of the cargo area. The support members and box have engaging latch portions providing latching notches for the box in forward, rearward and intermediate positions. Front and rear vertical axis rollers are provided on the box and support members, respectively, and have engagement with the other of the box and support members to provide a non-binding lateral stability. Also, longitudinally adjustable abutment means are provided to hold the box in a non-rattling forward latched position.

Abstract: A body member has a top opening recess and a depending stem having an external portion capable of removable engagement in one of the outlets of a fluid containing system of the type having a plurality of outlets, such as an underground lawn sprinkling system. The top opening recess has an integral valve stem therein which is in communication with a bore extending upwardly through the bottom of the stem. By connecting the body member into one of the outlets and connecting the valve stem to a source of air pressure, the system can be cleared of water through one or more of its other outlets.

Abstract: A connector body portion has opposite ends and a hollow interior. A cross bar in the housing is arranged to receive a looped end of a strap thereover comprising free and lifting end portions and arranged to pinch the free end portion between it and the lifting end portion by a lift force on the latter. A releasable anchor in the body portion is arranged for insertion in the loop of the looped end of the strap for holding the latter in a secured position on the body portion and for release from the body portion to release the strap.

Abstract: An elongated rigid bar is arranged to be secured at one of its ends to a power unit and is enclosed through most of its length in a rigid housing. Longitudinal passageways are provided interiorly of the housing for receiving a cross link drive chain trained over a sprocket on the power unit and on a cross shaft supported at a free end of the housing. The cross shaft supports digging units. A ground engaging support wheel is attached to the housing adjacent its free end. The housing has a semi-flexible guard mounted on it adjacent the digging units.