Abstract: A variable rate "on the go" fertilizer application controller for use with an agricultural earth working implement comprising a controlled metering device mounted on the implement. The control includes a reversible motor that operates a valve in the meter and at the same time a power take-off from the valve actuator drive operates a calibrated dial indicator to be interpreted by an operator so that action may be taken by a remote control device to make adjustments to compensate for variable soil conditions to get optimum crop production.

Abstract: In a plow, particularly a reversible plow, one has aimed at a plow enabling plowing in hard soil affording very heavy resistance against the plow bodies (2), using comparatively small material dimensions and corresponding light weight of the plow. For this purpose, the plow beam (3), at the front end thereof, is pivotally mounted on the plow frame (1) and, somewhat spaced behind the pivot (4), a rotation restricting shear pin (5) is secured to the plow frame (1). The plow beam (3) is coupled to a lever (6) which, spaced from its connection point (7) to the plow beam (3), possibly via a longitudinally adjustable stop member (10), is resting supportingly on an adjacent plow beam portion. The lever (6) is, spaced from its said connection point (7) as well as from said supportingly resting portion/stop member (10), linked to an elastic compliant, resilient damper (11). Additionally, said damper (11) is connected to the plow frame (1) or to an element connected thereto.

Abstract: An improved foot strap used in conjunction with a balloon launcher which provides rollers such as beads on the strap to reduce friction when the strap is released. Retaining beads are also provided to hold the roller or rollers in a central position on the strap.

Abstract: A rotary hoe extension and kit for extending the effective length of one set of arms of a rotary hoe to increase the separation of the axes of rotation of adjacent rows of hoe wheels to a distance greater than the diameter of the hoe wheel while maintaining lateral wheel spacing. The extension includes a body member, having an upper end or first portion including a U-shaped alignment member which surrounds the existing rotary hoe arm on three sides to provide a rigid unit and a lower end or second portion having an aperture therethrough for attachment of a hoe wheel thereto. The lower end of the arm and lower end of the extension are in alignment with each other thereby allowing for maintenance of the lateral wheel spacing. A connector arrangement is provided to secure the extension to the support arm.

Abstract: A plow assembly adapted for connection to a tractor and including a plurality of plow units commonly connected to a beam which is inclined relative to the direction of travel of the plow assembly. A ground engaging steering wheel supporting a rear end of the beam. A steering system is provided for holding the steering wheel generally parallel to rear wheels on the tractor and for turning the steering wheel through an angle and opposite to a steering angle of the tractor to bring the plow assembly behind the tractor during turns. The steering system includes a linkage mechanism for proportionately reducing the turning angle of the steering wheel relative to the steering angle of the tractor thereby allowing tractor turns to exceed 35.degree. to either side of the direction of travel of the plow assembly. The plow assembly further includes a mechanism for quickly and easily changing the spacing between adjacent plow units as the plow assembly is pulled through the field and with minimal operator involvement.

Abstract: An air operated toy gun for successively launching a plurality of projectiles is disclosed. Said gun utilizes a movable air nozzle for successive engagement with a plurality of projectile launching barrels. The gun may be used with darts or other projectiles adapted to form a seal with the launching barrels.

Abstract: This invention provides a safety mechanism as an improvement to a bowstring release device and operative to prevent the accidental discharge of an arrow drawn in the bow. The safety mechanism disclosed comprises a slidable cam which is adapted to actuate a lock pin into a position to block the movement of a trigger member of the bowstring release device. When the safety mechanism is moved in the opposite direction, the lock pin is allowed to move away from the position blocking trigger movement under pressure of a biasing spring, thus freeing the trigger to operate.

Abstract: The present invention consists of a new distribution device for use with conventional seeding meters. The system consists of a seed meter for dispensing a predetermined amount of seed and the distributor of this invention disposed below the dispenser. The invention is of a plate having an intricate geometrical configuration positioned below the volume or weight seed distributor to insure that the seeds are contained for controlled fall toward the ground and a portion shaped to provide even distribution of the seed whether or not the seeds are distributed by the center or either side of the present seed distribution system.

Abstract: A drawbar packer having an adjustable bias assembly which transfers implement weight between the wheels and the coil packers. Tension on extension springs is adjustable so that sufficient weight is transferred from the wheels to the coil packers such that the wheels pack soil less than the coil packers. In this way, the implement packs soil uniformly in preparation of the seed bed.

Abstract: The equipment system consists essentially of the undercarriage 101 having supporting wheels, the rotary device with dovetailing prongs 102, the sowing machine 103 and the land roller or clod breaker apparatus 104. The system components may be used in various combinations or individually.

Abstract: Pincers are describe for throwing and catching a flying disc such as a FRISBEE (a trade mark). The pincers are made up of a pair of pivotally interconnected jaws for selectively grasping and releasing the flying disc. The jaws are operated by a pair of handles which are pivotally attached to each other and each of which is pivotally attached to a separate jaw. Opening and closing of the handles produce a like opening and closing of the jaws with resulting grasping and releasing of the disc.

Abstract: A ping-pong ball shooter including a reciprocating arm mechanism composed of an abruptly returning device capable of shooting out a ball, a rotating mechanism, a ball feeding/regaining device, an eye ball reciprocating mechanism and speed changing device, whereby by means of slider-crank mechanism in four linkages, the eye ball reciprocating mechanism can rotate left and right and up and down like an eye, making the shot out ping-pong balls scattered within a sector area of a ping-pong table, and the rotation direction, bounding speed and bounding strength of the ball can be controlled, and the shot out balls can be recollected into a ball collector through a hopper slide way and a sleeve ball bag, one end of the sleeve ball bag being open and inserted into the slide way and the other end thereof being closed, serving as a driving end, three sets of blades and openings being disposed therein whereby when rotating, due to centrifugal force, the balls slide through the opening into ball pipe to be pushed by the

Abstract: An improved apparatus (62) for on-the-go lateral adjusting of a field implement (10) is provided, and is especially useful for a pull-behind, tractor-mounted implement (10) designed to operate on or between rows (30) of a crop (32). The apparatus (62) includes a sensing assembly (64) having lowermost feelers (70, 72) designed to detect the position of the implement (10) relative to generally parallel crop rows (30), along with implement adjusting structure (66) and a hydraulic control assembly (68). The adjusting structure (66) is preferably in the form of a piston and cylinder assembly (104) pivotally coupled between the draw bar (14) of a tractor (12) and one of the three point hitch arms (16) thereof. The control assembly (68) is in the form of a solenoid-operated hydraulic valve (128) interposed between the hydraulic system of the tractor (12) and the cylinder (106) of piston/cylinder assembly (104).

Abstract: A bulldozer is provided with a ground scraping blade. The blade is supported to the chassis of the vehicle by a pivoted frame. The frame can be power displaced relative to the supporting chassis by a first pair of inclined rams, providing translational motion of the blade. A ram power displaces the blade in rotation relative to the pivoted frame. Another ram, extending vertically, interconnect the vertically spaced rear ends of a pair of helicoidal, diverging, sinusoidal arms forming part of the pivot frame with the front ends thereof anchored to the blade in horizontally spaced fashion. Extension of the latter ram induces relative motion of the pair of helicoidal arms so that one lateral side end of the blade will lift exclusively of the opposite lateral side end thereof.

Abstract: An arrow rest having an arrow support arm with a riser portion and a support portion. The riser portion is rotatably mounted with respect to a housing. A return spring is mounted with respect to the arrow support arm so as to urge the support portion of the arrow support arm into a rest position. The support portion has limited movement in a forward direction from a rest position to a deflected position. The support portion is allowed to deflect in a backward direction, beyond the rest position. After backward deflection, the support portion can be reset to the original rest position.

Abstract: An adjustable cable guard mount which includes a pair of mounting means the first of which is inserted in or formed on an archery bow proximate the handle and having a symmetrical, multi-faced splined first mating portion. The second mounting means carries a deflector rod and includes a second mating portion formed to mate with the first mating portion. The first and second mounting means are held in their coupled relationship by a retaining means. By permitting the coupling of the first and second mounting means in a plurality of orientations the degree of tension cable and bowstring separation can be selectively adjusted.

Abstract: An apparatus which gathers earthen cores dug out by a boring machine operates with a main conveyor belt and auxiliary conveyor belt which are partially forced in contact with each other so as to sandwich earthen cores inbetween and transfer the cords to a collecting box. The main conveyor belt is driven by a single drive roller that has axially inclined projecting strips on the end portions so as to prevent the main conveyor belt from shifting in position.

Abstract: A direction-control device for a tennis-ball shooter having a mount plate on which two motors are mounted for driving two wheels which together control a speed and a spinning extent of a tennis ball to be served. The direction-control device includes a first bar extending along a Z-axis and drivable by a first motor to allow a pivotal movement of the mount plate on a Y-Z plane about an X-axis upon a restricted rotational movement of the first motor, thereby controlling the served tennis ball to fall in front of or behind the practicer. The device-control device further includes a second bar having a first end attached to the mount plate and a second end drivably attached to a second motor to allow a pivotal movement of the mount plate on a Z-X plane about a Y-axis upon a restricted rotational movement of the second motor, thereby controlling the spinning axis of the tennis ball to be served.

Abstract: A blade control system for a bulldozer enables the bulldozer to effectively perform a ground leveling work or a grading work with high accuracy in a minimum amount of time. The system compensates for pitching of a tractor portion of the bulldozer, and for variations in the amount of earth to be moved by a blade of the bulldozer. The system comprises: a pair of photo receivers (2, 3) which are mounted on the tractor portion (1) along a longitudinal axis of the portion (1) while spaced apart from each other, each of which receivers (2, 3) detects an optical reference plane (6) produced by a photo projector (4) to issue a level signal; and a blade controller (13) which controls an hydraulic valve actuaor (14) for moving the blade (8) based on the level signals.

Abstract: A sighting device for use in conjunction with an archery bow to facilitate the accurate sighting in of a target, the sighting device mounts laterally or to the bow, by means of an adjustable support arm, the support arm fixes a first mount, that secures a slide, to provide either lateral or vertical adjustment to the sight, an indexing means to provide for fine setting to the slide within its mount, and second mount secures to the first slide, and has a second slide provided therein, for holding of the sight pins, to provide for the other of the vertical or lateral adjustment to the pins when achieving accuracy in the setting of the sight in preparation for usage and application of the archery bow.