Abstract: An apparatus for cutting upstanding agricultural crops includes a plurality of adjacent dynamically balanced rotary cutter assemblies each having diametrically opposed blades the outer tips of which are at unequal distances from the rotary axis, corresponding blades on adjacent rotary assemblies being substantially 180.degree. out of phase.

Abstract: A plate is mounted to a basketball backboard by bolts passing through the four standard bolt holes and forms a horizontal fulcrum. A standard hoop having a conventional L-shaped mounting bracket is positioned with the vertical leg thereof abutting the plate. A bolt passes from the plate through a hole in the vertical leg. A resilient shock absorbing mass is mounted between the outer face of the vertical leg and the end of the bolt, and acts as a shock absorbing device when the goal hoop is deflected about the fulcrum due to downwardly directed forces applied to the hoop. The shock absorbing device is positioned centrally with respect to the four mounting holes with all parts thereof ahead of the front face of the backboard.

Abstract: A bearing mounting member having a first portion adapted to engage and hold a bearing housing, and a second portion in the form of a flange for engaging and being secured to a cooperating support surface, and including an annular groove formed in such second portion for enhancing the strength of such flange and concomitants facilitating the formation of a seal to such support surface.

Abstract: An adjustable multi-function exercise apparatus having a base and a pair of rigid spaced interconnected upstanding support "A" frames for pivotally positioning a longitudinal frame a fixed distance from the base; the pivotal long frame and upstanding supporting "A" frames being so designed as to provide for adjustable positioning of the pivotal frame to a desired fixed position. The longitudinal frame being open at one end for a pair of spaced rotatable plates. The plates are diagonally, multi-apertured for selectively receiving hand grips. The spaced rotatable plates are selectively driven by a variable speed drive, permitting variable multiple functional use of the exercising apparatus.

Abstract: A plate is mounted to a basketball backboard by bolts passing through the four standard bolt holes and forms a horizontal fulcrum. A standard hoop having a conventional L-shaped mounting bracket is positioned with the vertical leg thereof abutting the plate. A bolt passes from the plate through a hole in the vertical leg. A resilient shock absorbing mass is mounted between the outer face of the vertical leg and the end of the bolt, and acts as a shock absorbing device when the goal hoop is deflected about the fulcrum due to downwardly directed forces applied to the hoop. The shock absorbing device is positioned centrally with respect to the four mounting holes with all parts thereof ahead of the front face of the backboard.

Abstract: An auxiliary blade, such as a snowplow or the like, is quickly attached to or released from the bucket of a front end loader solely by pivotal movement of the bucket relative to the blade, without requiring the driver of the front end loader to dismount and operate any securing means.

Abstract: An automatic ventilation system for an enclosure for animals, fowl and the like, whereby plural banks of exhaust fans are controlled by respective thermostats set for operation at respective individual temperatures over an operating range of temperatures, while movable baffles or the like at air inlet apertures are adjusted under the control of a differential-pressure sensing means to regulate the rate of flow of air through the inlet apertures to maintain a desired difference between the barometric pressure within and without the enclosure irrespective of the number of banks of fans in operation at a given time; when the thermostat set at the highest temperature is actuated, the movable baffles are adjusted for maximum flow irrespective of the output of the differential-pressure sensing means, thereby establishing a second, and smaller, differential pressure; upon failure of the primary power source, a second power source is automatically utilized to adjust the inlet baffles to a position of maximum opening,

Abstract: A receiver and bolt for a rifle wherein both the receiver and the bolt contain mating lugs of equal spacing around the receiver and bolt. The width of the lugs on the receiver at their attachment to the receiver and the spacing between the lugs are equal. Additional locking lugs can be attached behind the first-mentioned lugs to provide additional restraining force capability. The lugs should be mounted on an angle of 90.degree. to 72.degree. as calculated from a plane normal to the axis of the bolt or receiver.

Abstract: A separating and dispensing apparatus for small, rigid, elongate articles which continuously tumbles a mass of such articles to progressively separate articles from the mass and continuously dispenses the articles as separated.

Abstract: A hackamore bridle is disclosed that may be positioned on an animal such as a horse, with the bridle exerting pressure substantially only on the nose of the animal when the reins are pulled. The bridle includes a headstall having a pair of cheek plates connected between cheek straps and a chin strap so that the cheek plates are adjacent to the cheeks of the animal when the headstall is positioned on the head of the animal. Reins are connected to one end of a pair of rein levers, the other end of each of which is pivoted on the cheek plates. A nose strap is connected between the levers and freely passes through eyelets on the cheek plates, so that pressure is exerted by the nose strap on the nose of an animal when the headstall is positioned on the animal, with the nose strap being tightened on the nose of the animal by pivoting of the levers without applying appreciable pressure to the jaw of the animal through the chin strap.

Abstract: A safety flexure for articulated channel-type roadway posts wherein a resilient member interconnects the upper and lower portions of the post by means of connecting studs substantially complementary in size and shape with the channel portions thereof.

Abstract: An animal feeding apparatus is disclosed that is particularly well-suited for intermittent feeding of poultry. The apparatus includes a plurality of feeding pans arranged in groups, with each group connected through a feeder conduit to feed storage hoppers. The feed storage hoppers are connected to a storage bin through a supply conduit, with each connection to a feed storage hopper being through an adjustable passageway having an excess feed reservoir connected therewith. The feeder structure, consisting of the feeding pans, feeder conduits and feed storage hoppers, is normally within a poultry house and is moved upwardly and downwardly by a reversible motor and cable drive unit to effect intermittent feeding of poultry within the poultry house.

Abstract: A safety-adapted pivoted closure device for vessels containing volatile or flammable liquids is disclosed. The disclosed pivoted closure device has a flash arrester and safety vent, with the resulting device being positionable on a vessel, such as a portable receptacle containing gasoline. A spring biases a closure cap on the device toward a closed position, and the spring bias is overcome if a predetermined pressure build-up occurs within the vessel to thus allow the pressure to be relieved. Should this occur, gas and/or fumes are expelled from the vessel, but only through the flash arrester. A handle and linkage assembly are provided for manually moving the cap from a closed position to open the receptacle by overcoming the spring bias thereon with the handle and linkage assembly being designed so as not to prevent release of a pressure build-up within the vessel while the cap is in a closed position.

Abstract: A tillage apparatus for sod seeding usage includes a plurality of tillage unit assemblies having power driven blades receiving power from a tractor which tows the apparatus. An improved tillage blade is disclosed.

Abstract: A radiation-to-electrical energy converter in which transmission of radiation from a radiation source is controlled by radiation gates to alternate the build up of positive potential on a pair of radiant energy absorbers and in which the positive potentials on the absorbers are employed to produce an alternating current. The radiation gates are liquid crystals which are specially constructed to pass radiation when in an un-energized state.

Abstract: A boundary marker or delineator is disclosed comprising an elongate hollow cylindrical pole member normally held in an upright position with respect to a base member by means of a solid flexible support member. The cylindrical pole member is filled with a solidified foam and closed by opposed end caps held in place by a centrally-disposed rigid rod member threadedly connected to each. When utilized as a path delineator for moving vehicles, the boundary marker is capable of withstanding impact forces upon being struck and crushing forces upon being run over by vehicles of all types.

Abstract: A golf club cleaning apparatus is disclosed that is capable of cleaning both right-handed and left-handed irons and woods and is also capable of cleaning the faces and the bottom of irons as well as the front driving face and sole plate of woods. A first opening into the apparatus is provided for right-handed clubs, and a second opening is provided for left-handed clubs, with each opening being designed to accept either a wood or an iron for cleaning of the same. The overall appearance of the apparatus resembles a golf ball sitting on a tee, with the upper portion being at least partially filled with a cleaning or washing liquid. A golf club is held in place after insertion through one of the openings into the device, with the bottom and back in contact with a receiving tray.

Abstract: A bale positioning device is disclosed for positioning bales in a manner such that pickup by an agricultural loading machine is facilitated. The positioning device is mounted near the intake bale chute of a conventional bale loading machine and includes a spider wheel that is adjustably mounted for free rotation on one end of an arm that has the other end adjustably connected with a bell crank mechanism such that said spider wheel is both lifted and rotated upon actuation of the bell crank mechanism. When the spider wheel is brought into contact with a bale that is not properly positioned, the wheel will cause the bale to be shifted about a vertical axis and/or a horizontal axis as the machine proceeds forwardly to thereby properly position the bale for entry into the intake chute of the pickup machine.