Abstract: A round hay bale dispenser connectable to the conventional three-point hitch of a tractor and having a pair of spaced longitudinally extending arms movable simultaneously laterally relative to each other for accommodating a round hay bale therebetween. A freely rotatable wheel is mounted on the free or outer end of each arm and engages the outer peripheral surface of the bale. The tractor pulls the arms causing the bale to roll as it traverses the ground while the wheels engage the outer surface of the bale causing the hay to fall from the bale in chunks rather than layers.

Abstract: An electroacoustic transducer of the electret type, comprising a case (101) having an opening (102) via which the interior of the case communicates with the surroundings; a backplate (105) and a diaphragm (107) arranged opposite the backplate in the case, the surface of the backplate being provided at least partly with an electret material (106) and at least a part of the surface of the diaphragm being provided with an electrically conductive layer (110); and an annular element (109) for securing the circumference of the diaphragm to the inside wall of the case. According to the invention, the parasitic capacity between the backplate (105) and the annular element (109) is eliminated in that the backplate and the annular element are both electrically connected with the case and thereby have the same potential as the case. This also provides production-technical advantages.

Abstract: A multiple position electrical swivel plug apparatus wherein a housing is integrally connected to the end of an electrical cord the conductor of which terminates in a plurality of blades. A male or female plug assembly is detachably connected to the blades depending upon the particular plug assembly desired. The blades are mounted in the housing which is bifurcated so that the blades extend outwardly from the housing between the arms of the housing. The plug assembly has a nose portion extending between the arms of the housing, and the nose portion is slotted for receiving the blades to electrically connect the plug assembly contacts to the blades. A pivotal connection is provided between the arms of the housing and nose portion of the plug assembly for adjusting and maintaining the plug assembly at a desired angle position relative to the housing.

Abstract: A vehicular self-propelled aerial work platform wherein a lower telescopic boom assembly is connected to a riser frame assembly having an upper telescopic boom assembly also connected thereto. A work platform is connected to the outer end of the upper telescopic boom assembly. Both the lower telescopic boom assembly and the upper telescopic boom assembly can be elevated and extended to increase the reach of the aerial work platform. The lower telescopic boom assembly comprises tubular telescoping boom sections connected at opposite ends between a support on a turntable and the riser frame assembly, with a telescopic cylinder extending interior of the boom sections and connected at opposite ends between the same members providing a telescoping parallelogram boom mechanism, with hydraulic controls with interlocks for operating the boom in a predetermined sequence.

Abstract: In the process and by means of the apparatus, several radiation sources (1) arranged in a row, whose emitted radiation intensity distribution is not rotationally symmetrical, are imaged by means of a first, noncentrically imaging functional element (5), then each beam bundle (9) is rotated by means of a beam-rotating element (7), and the beam components of the rotated beam bundles (9) not imaged by the first functional element (5) are imaged by means of a second, noncentrically imaging functional element (11). The functional elements (5, 11) and their locations are chosen so that parallel beam bundles (9) are produced which are focused with a spherical lens (15) into a spatial zone (3). The apparatus according to this invention provides in a simple way a good focusing ability for several individual beams.

Abstract: An insulated fitting for a flexible air duct wherein the fitting has a collar for dressing the end of the flexible air duct coupled to the fitting. The fitting can be a tee, wherein the collar is connected to a retaining ring rotatably mounted to the main conduit of the tee so that the angular position of the tee can be varied depending upon the desired direction of the branch conduit of the tee. The retaining ring has a base portion for securing the T-fitting to a supporting surface The fitting can also be a wye and a reducer.

Abstract: A connecting element for joining a structural part with an adjacent structural part has several sleeves (71, 72) provided with respectively one cutout (77) and one extension (74) wherein in each case the extension (74) of one sleeve (71, 72) engages into the cutout (77) of the other sleeve (71, 72). The sleeves (71, 72) are in contact with fitting clearance with an inner wall of a pipe (14) to be attached to a connector (13). A clamping screw (7) is threaded into a thread (9) of the connector (13) and thereby clamps the sleeves (71, 72) mutually in place, the extensions (74, 87) entering more deeply into the cutouts (77, 92) and thereby expanding the circumference of the sleeves (71, 72) until a fixed clamping of the sleeves (71, 72) against the inner wall is achieved. The sleeves (71, 72) are held in flush mutual contact by a serration. The unwound of the sleeves (71, 72) are punched out from steel strip and subsequently formed into cylindrical sleeves (71, 72).

Abstract: A rifle rest wherein a pair of rectangular, superimposed, sand-filled canvas bags are stitched together along their longitudinal center lines to thereby form a pair of upper lobes and a pair of lower lobes hingedly connected along the stitch line. When the lower lobes are moved in a direction away from each other, the upper lobes are simultaneously moved in a direction toward each other to thereby grip the stock and barrel of a rifle to be supported.

Abstract: Male underwear briefs provides for the separate receptions of the scrotum and the phallus of the wearer in respective separate receptacle means to maintain the groin area dry and clean, thereby preventing various diseases including moist tetter. The briefs of the present invention have a separate scrotum nest made of a net material for resting the scrotum in a non-contact position with the rest of the wearer's body, with a good circulation of air there around, and has a phallus receptacle receiving the phallus in an upright posture and an elastic element fixed inside the phallus receptacle for holding the inserted phallus in an upright position so that the phallus is prevented from contact with adjacent skin areas. This separate receptions of scrotum and phallus prevents the skin to skin contact of the wearer and the net of the scrotum nest improves the circulation of air, thereby preventing an undue moistening of the groin and thus the various diseases arising therefrom.

Abstract: A bulb actuator for a dropper closure wherein an overcap is mounted on the dropper closure. A bulb squeeze member is slidably mounted in the overcap and has a pair of fingers engaging and straddling the bulb. The fingers are cammed inwardly to squeeze the bulb when the bulb squeeze member is pressed inwardly of the overcap.

Abstract: For use as part of a test string employed to evaluate the production potential of a chosen formation through which an oil well has been drilled, an annulus-pressure-operated sub-surface control valve, typically a ball valve, wherein to deal with the problem of the high pressure of fluid acting on the upstream side of the ball resulting in the frictional forces caused by the ball being pressed up against the seating on its downstream side making the ball stick, the utilization of a differential thread force multiplier by which the actuating force may be applied to the ball.

Abstract: Monophonic sound is transformed into a stereo pattern by arranging two reflectors on a common axis at a predetermined distance from each other with both facing in the direction of the sound. One reflector has a larger diameter than the other and is provided with a central aperture into which a tone generator is mounted and spaced from the smaller reflector.

Abstract: An emergency bulk liquid handling system for tankvessels suffering damage which incapacitates their primary liquid cargo system wherein valving in the normal cargo loading drop lines, deck headers and tank walls combined with means to prime the deck headers and drop lines provides a backup cargo offloading path which bypasses the damaged system and allows movement/offloading of liquid cargo despite the otherwise incapacitating damage.

Abstract: An improved safety razor comprises an elongate shank having a blind bore at the top thereof, a closure member removably secured to the elongate shank for closing off the bore of the shank, a blade carriage pivotably mounted on the closure member and a compression spring for biasing the blade carriage in one direction. The blade carriage includes a blade carrying head an elongate lever extending rearwardly from the head to its pivot point. The blade carriage is subjected to pivotal movement between a first position in which the lever of the blade carriage is substantially perpendicular to the axis of the shank and a second position which is angularly spaced a predetermined degree from the first position.

Abstract: Weights for road markers and signs having a laminate structure of a plurality of side walls of discarded vehicle tires assembled and fastened in a stacked configuration and slidable over the road markers and sign frames. The weight of the laminate structure stabilizes the road marker or sign to prevent the marker or sign from being blown or knocked over on its side.