Abstract: A log splitting apparatus having an elongated frame, a selectively actuatable log moving ram mounted at one end of the frame, and a log splitting wedge assembly mounted at the opposite end of the frame. The wedge assembly includes a plurality of wedge tip sections which are removably mountable in vertically stacked relation and having interlocking lugs and recesses between mating upper and lower sides thereof for maintaining the wedge sections in proper alignment. A base plate is mounted on the frame for receiving and retaining the stack of wedge tip sections in proper orientation on the frame, and an upstanding support is mounted on the frame for vertically supporting the wedge tip sections and serving as a reactionary member for forces exerted on the wedge tip sections during log splitting. The wedge tip sections are further positively secured in mounted position by a vertically disposed clamping bolt threaded engaging the base plate.

Abstract: An arrangement for longitudinally oscillating a doctor blade relative to the form cylinder in a printing press. The arrangement includes a double armed rocker having one arm coupled to the doctor blade and the other arm coupled to a hydraulic cylinder. The rocker is mounted on a central eccentric portion of a pivot shaft through a one way idler bearing and the pivot shaft is rotatably supported in a counteracting one way idler bearing. By oscillating the rocker, through sequential operation of the double acting cylinder, the pivot axis of the rocker is continuously displaced, causing the points of reversal of doctor blade movement to be continuously varied independently of the press operation, while maintaining a uniform stroke. In the illustrated embodiment, a pneumatic control is provided for controlling operation of the hydraulic cylinder, and thus the rocker arm and doctor blade movement.

Abstract: A method of shaping the gudgeon pin bores formed in gudgeon pin bosses of pistons comprises introducing into the bores portions of a pin-shaped tool before the insertion of the gudgeon pin. A load is applied to the pin-shaped tool and the direction of the load and the shape of the pin-shaped tool are chosen so that areas of bore-defining walls of the bosses subjected to high stresses by the gudgeon pin in use, and therefore liable to crack, are radially outwardly deformed to reduce the incidence of cracks.

Abstract: In a vehicle suspension of the type having a transverse wheel support arm, a lever arm pivotably mounted on the vehicle body supports the inboard end of at least one wheel support arm. The lever arm and the support arm or arms are normally nearly perpendicular, but in response to transversely directed forces on the wheel at the outboard end of the support arm or arms, the angularly relationship between the lever arm and the support arm changes so as to cause the wheel to toe-in.

Abstract: A resiliently flexible strip device mounts the armature of an electrically released brake for movement toward and away from the pole faces of the field shell, the armature either moving with pivotal motion or with linear motion. The resiliently flexible strip device may take the form of one or more leaf springs or may be one or more tongues molded integrally with the flange of a bobbin which forms part of the coil of the brake. A piece of flexible friction material is bonded to a curved pad on the outer face of the armature and automatically takes on the curved shape of the pad.

Abstract: An articulated riding mower comprised of a sulky unit pivotally connected to a walk-behind mower. To attach the sulky to the walk-behind mower, the mower deck includes a bridge support overlying the mower deck between the rear corner positions thereof. The bridge support has depending extensions at the corner positions mounted on the axle of the rear wheels. The depending extensions of the bridge support are, in turn, rigidly fastened to the respective corners of the mower deck. A central portion of the bridge support carries a pivotal connection including a bearing for removably attaching the sulky to the walk-behind mower. In a preferred embodiment, the handle of the walk-behind mower is connected, at its lower end, directly to the bridge support.

Abstract: An apparatus for physical vapor deposition comprising a vacuum casing one end of which is open; a sealing member provided at the opening of the casing; an electrode for physical vapor deposition, such as a target electrode or an electrode for heating evaporation, which is provided in the casing; and an exhaust hole for exhausting gases in the casing, which is provided at a predetermined wall portion of the casing. The apparatus may also be provided with a gas introducing hole and a bias electrode. The casing is integrally fitted to a body to be treated at the opening end portion thereof by means of the sealing member to form a vacuum chamber therein. This apparatus is compact and enables the surface treatment of a large or immovable body without moving the body.

Abstract: A mechanism for axially reciprocating at least one of the distributing rollers of a printing press. A rocker having an elongated slot therein is mounted on a first pivot and oscillated thereabout by means of a link eccentrically connected to the press drive shaft. An oscillating lever is pivotally connected to the press frame for movement about a second pivot and includes a sliding block captively held in the elongated slot of the rocker. The oscillating lever is operatively connected to at least one of the distributing rollers so as to axially reciprocate the roller in response to the oscillation of the lever. The location of the first pivot is adjustable with respect to the press frame so as to change the orientation of the elongated slot in the rocker and, thus, vary the magnitude of travel of the oscillating lever which reciprocates the distributing roller. For such purpose, the first pivot is secured in one arm of a two-armed lever, the lever being pivotally connected to the frame.

Abstract: An automatic focussing arrangement for use with scanning electron beam apparatus such as a scanning electron microscope or electron beam microfabrication apparatus sets the focus coil (18) current at each one of a plurality of predetermined values in turn. At each setting, the scanning system (10, 12, 14) is activated to frame-scan the electron beam across a predetermined sharp-edged target. The resultant video signal (22) is monitored for each line of the frame scan to derive the mean value, then the mean value is subtracted from the instantaneous value of the video signal for that line (this may be carried out during a second scan of the same line), and the difference is then squared and integrated. The integrated outputs corresponding to each line scan are monitored to determine the greatest one. This is then stored (32) in association with the corresponding level of the focus drive current, and the process is then repeated.

Abstract: The invention relates to a device for use in apparatus for winding continuously-fed material on a winding mandrel for exchanging winding mandrels without interrupting the supply of tape or sheet material to be wound. Two endless cooperating conveyors are provided to which the ends of the winding mandrels are coupled to permit the horizontal transport of an empty winding mandrel received from a store to a winding station and to a removal station after receiving a full roll. The conveyors have sets of parallel, closely spaced bars, the axes of which are arranged perpendicularly with respect to the direction of movement of the conveyors and the ends of the winding mandrels are allowed to move vertically along the gaps between the bars as the diameter of the roll of material changes on the winding mandrel.

Abstract: Methods and apparatus for equalizing the effective radii of multiple cutting elements on a power-driven spindle of a machine tool. A fixture carrying an abrasive stone is placed upon a pre-existing workpiece supporting or guiding surface in the machine tool, slidably shifted on that surface to bring the stone to juxtaposed alignment with the cutter edges, and then magnetically locked to that surface. Positionable means in the fixture are then used to infeed the stone so that the cutters are ground off to effectively equal radii. The methods and apparatus are equally applicable to straight or profiled cutters, and one portable fixture may be employed to condition the cutters of several spindles in a given machine as well as spindles of different machines.

Abstract: Loading and unloading mechanism for slot type disc player apparatus incorporates a device for transferring a disc to the disc drive after it has been inserted through a slot and for transferring the disc from the disc drive and ejecting it through the slot after the playing operation has been completed. A disc carrier plate is mounted on the frame of the apparatus for helical movement between a first position adjacent the slot and a second position adjacent the disc drive. A spring or a motor provides power to rotate the carrier plate, which rotational movement is translated to helical movement by helical ramp members and cooperating bearing members. Control devices are included to provide automatic operation.

Abstract: The invention is connected with a microwave structure, and particularly with the improvement of a microwave circuit of the three plate construction having a plurality of independent circuits formed in an inner level that is sandwiched by two dielectric conductor boards having grounded conductive layers on their outer surfaces, wherein a plurality of through holes are formed to penetrate through the dielectric boards between the neighboring circuits and extending between the conductive layers on the outer surfaces of the boards, the inner surfaces of the through holes being metallized to connect the grounded conductive layers to provide a ground shield between the neighboring circuits.

Abstract: Apparatus for applying a thin, adhesive coating to plate-shaped bodies of glazed ceramic, e.g., tiles, glass or enamel. To this end, there are provided: a heated tank for receiving the dipping liquid; a cover hood shielding the tank and the liquid bath from the environment and comprising inlet and outlet slits for the plate-shaped bodies; a cooling device arranged in the cover hood; a conveyor mechanism extending from the inlet to the outlet slit on a downwardly curved path through the tank and a mechanism for adjustment of the length of the dipping section to lower and raise the liquid level in the tank.

Abstract: A horn-reflector microwave antenna comprises the combination of a paraboloidal reflector for transmitting and receiving microwave signals; a tapered feed horn extending downwardly from the reflector for guiding microwave signals to and from the reflector; a waveguide connected to the lower end of the feed horn; and a dielectric membrane extending across the interior of the feed horn for collecting any debris that falls down into the feed horn. In the preferred embodiment of the invention, the outer periphery of the dielectric membrane is secured to the interior walls of the feed horn, and the central portion of the membrane is elevated above the periphery thereof so that debris collected on the membrane slides to the walls of the feed horn.

Abstract: A piston (10) for a diesel engine is formed with a combustion bowl (21) which has a lesser volume until the cylinder pressure reaches that at which fuel ignition takes place. The volume of the combustion bowl is then increased to reduce the maximum pressure in the cylinder. The volume is again decreased during the expansion stroke. This has a number of beneficial effects on the engine including reducing the stress on the engine parts and allowing increased level of pressure-charging.

Abstract: The immersion heater for an appliance includes a mounting plate, a metal sheathed electrical resistance heating element having two end portions which extend through and which are secured to the mounting plate, and a single fastening device for fixing the mounting plate to the body shell of the appliance. The fastening device comprises a threaded heat conductive stud secured to the mounting plate and a nut having a complementary thread. A raised part of the active portion of the heating element is directly secured to and only to the stud, such as by brazing. A bimetallic element is fixed directly to the stud on the outside of the body shell. The stud provides a heat conductive path between the heating element and the bimetallic element. The bimetallic element bends when the appliance is energized `dry` or when the liquid has boiled down to the element and pushes a dolly overcenter to open a pair of contacts and de-energize the heating element.

Abstract: A slot type disc recorder and/or player apparatus is disclosed having a disc drive spindle and a member for supporting a disc for in-and-out sliding movement edgewise in its own plane in a transverse path relative to the spindle axis. The member has a V-shaped surface symmetrically located with respect to the spindle to support a disc for sliding movement along the path by engaging the disc only at its edges. Also disclosed is a pivotable mounting for the member for locating the path of movement so that the disc clears an end of said spindle when the disc is inserted or removed.

Abstract: Apparatus for mixing together milk, a fluoride solution and a flavoring solution to produce a pleasant-tasting fluordiated beverage, comprises two sets each of three vessels for containing the respective liquids to be mixed. The volumes of the three vessels are in the proportions in which the liquids are to be mixed and inlet flows from supply tanks of the three liquids are metered to fill the three vessels simultaneously. A common inlet valve shuts off the three supplies simultaneously and operation of the inlet valve automatically opens the outlet and mixing valve. As one set of vessels is filled, the other is emptied to provide a substantially continuous flow of the beverage.

Abstract: A cylinder screen printing machine comprises a cylinder rotatable about its own axis in opposite directions, a screen plate disposed upwardly of the cylinder and movable reciprocably in synchronism with rotation of the cylinder, a squeezee positioned upwardly of the screen plate for pressing ink through the screen plate onto a sheet of printing paper passing between the cylinder and the screen plate in response to synchronized movements of the cylinder and the screen plate, a paper discharge table located between spaced frames and downstream of the cylinder for discharging a printed sheet which has been fed from the cylinder, the paper discharge table being retractable downwardly from an upper position to provide a space below the screen plate, first means for supporting the paper discharge table in the upper position, the first means being operable to allow the paper discharge table to be retracted downwardly, and second means for positioning a rear end of the paper discharge table vertically and laterally i