Abstract: An electrolytic treatment apparatus includes a substantially hollow tubular outer vessel housing closed at its bottom end and provided with a liquid inlet and liquid outlet adjacent its bottom and top ends. A self-contained reactor cartridge unit integrates the vessel cap, electrodes, electrode supports, any electrode wiring connections and any liquid dispersion members into a single removable unit for installation into and removal from the vessel housing so that, when maintenance is required, complete reactor cartridges may be exchanged in a matter of seconds, thereby virtually eliminating downtime of the treatment system for maintenance and other electrode replacement needs.

Abstract: The ball throwing apparatus of this invention is formed of a flat main frame plate which mounts a rotary ball throwing wheel and a confronting pad spaced from the wheel slightly less than the diameter of a ball to be thrown. The pad is mounted for adjusting said space for alternatively engaging and throwing baseballs and softballs. The main frame plate is mounted on the upper end of a vertical post by a first pivot for adjustable rotation about a horizontal axis for adjusting the curvature of flight of a thrown ball. The lower end of the post is mounted on a second pivot for rotation about a horizontal axis perpendicular to the first pivot for adjusting the trajectory of flight of a thrown ball, the bearing for the second pivot is mounted on a leg supporting cup for rotation about a vertical axis for adjusting the horizontal direction of a thrown ball.

Abstract: A tool mount assembly is provided for attachment to the end of an extension pole for pivotal movement of the body of the tool mount assembly on an axis that is substantially perpendicular to the axial line of extension of the extension pole, the body further arranged to secure the end of a tool handle in desired positions of rotational adjustment, whereby a tool supported on the end of an extension pole may be secured in virtually an infinite variety of angular positions for ease of use of the tool at an extended reach on the end of the extension pole.

Abstract: The sealless slat-type reciprocating conveyor of this invention includes on one side edge of each slat an upwardly extending inverted U-shape portion and on the opposite side edge an upwardly extending substantially straight flange portion configured for reception within the inverted U-shape portion of the adjacent slat to provide a passageway that extends upwardly from adjacent the load-supporting surface of the adjacent slat, thence around the upper end of the flange and downward to the space between adjacent slats.

Abstract: A keypad button guard member is provided for a keypad type device, the button guard member arranged to provide a raised, encircling edging which may be releasably applied to a keypad device to encircle and provide a protective barrier about one or more selected buttons on the keypad device to prevent accidental and unintentional contact and depressing of the button and consequent activation of that button's function.

Abstract: An archery bowstring release includes a hand grip having a forwardly extending post pivotally mounting a bowstring hook member releasably engaged by a locking mechanism that serves to adjust the position of the hook on the hook member for releasing a bowstring and projecting an arrow to a target. In one embodiment, the hook member is secured adjustably to the post. In another embodiment, the hook member is mounted pivotally on a support frame carried pivotally on a cam member pivoted to the post and arranged to engage the hook member for release by pivotal movement of the support frame through a small angle by adjustment of the cam member rotationally relative to the post. The hook member may be secured adjustably to the post or cam member either by a pin and groove assembly or by a worm gear engaging a gear on the hook or cam member.

Abstract: A sports practice net assembly for stopping the flight of a projectile such as a golf ball, comprises a pair of side frame members with a central frame member disposed between them. The side frame members are preferably formed as closed loops. The central frame member has a pair of legs that extend across portions of the side frame members so that the lower ends of the legs and the lowermost portions of the side frame members support the sports practice net assembly on a generally horizontal surface. The first and second frame members are preferably are symmetrically arranged such that they are connected together at a rear portion of the sports practice net assembly and spaced apart at a front portion of the sports practice net assembly with an acute angle between their planes. The central frame member has first and second legs and an upper portion arranged to extend above the uppermost edges of the side frame members.

Abstract: An apparatus for distributing priming water equally to a multiplicity of sewer drain traps includes a hollow body member sealed with a top cap having a water inlet therethrough, the bottom of the body member provided with outlet fittings for connecting to a plurality of separate sewer line traps, each outlet fitting corresponding with a port communicating with the hollow interior of the body member, and a metering funnel member positioned in the hollow body member to receive water delivered from the water inlet, the metering funnel member arranged to deliver equal amounts of water received by the funnel member to each of the outlet ports and corresponding outlet fittings connected to a plurality of individual sewer line drain traps. Unused water outlets may be selectively plugged without adversely affecting continuous and even distribution of water received by the distribution apparatus to the remaining unplugged water outlets.

Abstract: A method and system for providing the foundation pad and stem wall structure for mobile homes includes the steps of excavating a building site to form a substantially level building area; erecting simple concrete formwork to define and contain the pouring of a concrete slab foundation pad; positioning and leveling a plurality of stem wall support blocks at predetermined positions about and spaced inwardly of the periphery of the concrete formwork, the support blocks having an upper surface height which is less than the height of the formwork and hence the thickness of the future concrete slab foundation pad; placing precast concrete stem wall sections on the level support blocks to form an upright perimeter wall; and pouring the concrete slab foundation pad defined by the concrete formwork to embed the support blocks and bottom edge portion of the precast stem walls in the foundation pad thereby positively and rigidly fixing the stem wall and foundation pad together when the poured concrete cures.

Abstract: A bearing adjustment and monitoring system is provided for a bearing mounted between a hub and a spindle, one of which is rotatable relative to the other and one of which has a threaded end section with traversing keyway and the other of which has an abutment for limiting inward movement of the bearing. A backing washer member is arranged to removably abut the bearing on the end opposite the abutment and has a key extending into the keyway to secure it against rotation, and a calibrated nut member has threads configured for threading onto the threaded end section. One of the backing washer member and calibrated nut member has a plurality of circumferentially spaced openings and the other of the backing washer member and calibrated nut member has a plurality of openings registering with the openings in the one member but spaced apart differently therefrom, whereby to provide vernier adjustment of rotation of the calibrated nut member.

Abstract: The compact rotary evaporative cooler of this invention includes a case containing a powered rotor mounting a partition that divides the case longitudinally into a wetted chamber and a nonwetted chamber. An annular array of elongated Perkins tubes is supported for rotation with the rotor and each Perkins tube extends through the partition, with the evaporation end section extending into the nonwetted chamber and the condensing end section extending into the wetted chamber. Each Perkins tube mounts a plurality of closely spaced heat conductive fins along its length, and a layer of porous metal is bonded to the entire inner surface of the evaporation section of the tube. A first inlet port introduces hot, dry outside air into the wetted chamber and a first outlet port vents the cooled but humidified air from the wetted chamber to the atmosphere or to a space to be conditioned.

Abstract: The ball throwing machine of this invention includes a vertical base plate mounting a wheel support plate for pivotal movement about a pivot axis which defines an arcuate slot in the base plate through which a clamp bolt extends from the wheel support plate. The wheel support plate mounts top and bottom pneumatic tired wheels for rotation to grip a ball between them and project it forward. An electrical control circuit affords adjustment of wheel rotational speed by a single rotary switch and also allows selection of a variety of types of pitches by a single rotary switch. The electrical circuit also provides for the setting of a differential rotational speed between the top and bottom wheels, for optimum quality of pitching control, and also provides for limiting the minimum and maximum wheel rotating speeds to achieve realistic pitching speed range.

Abstract: The magnetic sweeper of this invention includes a laterally elongated hollow body of non-magnetic material having an open top and containing a pair of laterally spaced permanent magnets. The elongated side walls of the body have outwardly extending flanges slidably receiving a pair of covers of non-magnetic material for the magnets, and the covers have outer downturned ends facing the closed end walls of the body. An opening in each downturned end removably receives a wheel axle having an enlarged end captured between the body end wall and the adjacent downturned end of the cover, and interengaging detents on the body and each cover secures the cover removably to the body. A wheel is mounted rotatably on each axle and a handle extends from the body member for manipulating the sweeper over a surface to be swept of metallic objects.