Abstract: A power transmission apparatus comprises first and second rotary devices rotatable with respect to each other, a sealed chamber hermetically formed between the first and second rotary devices and filled with viscous fluid, first and second resistance devices disposed within the sealed chamber and respectively rotatable together with the first and second rotary devices to transmit torque therebetween by the shearing resistance of the viscous fluid, and a third device for controlling the pressure within the sealed chamber in accordance with the running state of an object provided with the power transmitting apparatus.

Abstract: A suspension for motored and unmotored wheels of vehicles, having independent movements of bouncing/hoisting and rotation/steering, made up of a shaped bracket member coupled, at the rear, in a rigid way, with a vertical axle on which the vehicle structure runs, by means of the interposition of at least two bushes, and, at the top, in the front position, with the coupling axis being as close as possible to the reaction axis of the wheel with the ground, with the vehicle structure, such coupling being realized by means of an elastic and hoisting member and at least one damping member, said bracket member being also provided at a position intermediated between said axle and the wheel with a first ball joint and with a bearing as well as with a second ball joint and a second bearing, all arranged along an axis sloping at 3.degree.-10.degree.

Abstract: There is provided a power transmission unit comprising an input member for receiving a torque input from a ring gear connected to a drive pinion which is connected to a propeller shaft, first and second output members supported by the input member in a freely rotatable manner and engaged with right and left rear wheels, and first and second clutches arranged between the input member and the first and second output members respectively to release the connections between the input member and the first and second output members respectively with the help of the actions of cam devices for releasing clutches when the angular speed of the input member becomes smaller than those of the first and second output members.

Abstract: A polyolefin primer is coated on and bonded to a polyolefin surface. The primer is irradiated and an adhesive is bonded to the primer. The irradiated surface significantly enhances the final bonding between the polyolefin and the adhesive.

Abstract: A hydraulically actuated fin stabilizer system for counteracting the tendency of a ship to experience rolling and/or list or side sway, wherein a gyroscopic sensor and a pendulum type sensor are either hydraulically or mechanically coupled to generate an integrated differential hydraulic signal used to control the adjustment of stabilizing fins.

Abstract: A method of collecting, preserving and repositioning snow on a ski slope whereby the slope may be placed in condition for skiing in the fall prior to the time of sufficient fall of natural snow or the arrival of freezing conditions necessary for the production of man-made snow.

Abstract: An oil film bearing for rotatably supporting the journal surface of a rolling mill roll neck on a hydrodynamically maintained oil film. The bearing includes a bushing adapted to interrupt the load carrying continuity of the oil film and to subdivide the load zone into compound pressure zones.

Abstract: In an operation chamber 19 filled with silicone oil, there is provided a first resistance plate 21, which is spline-mated to the outer circumference of a first transmission shaft 3, and a second resistance plate 23, which is spline-mated to a second transmission shaft 9. These two resistance plates 21, 23 are clamped at both sides thereof by a clamp means formed from a pair of ring members 27, 29. The ring members 27, 29 are joined to a piston formed from the first transmission shaft 3, the sideplate 11, and a stopper ring 25. Then, when this piston moves in thrust and the clearance between the ring members 27, 29 shrinks, the blocks of the first resistance plate 21 and the second resistance plate 23 arranged side by side are clamped and abutted closely to produce a friction force at the resistance plates 21, 23.

Abstract: An electrically heated tool for appyling an anchoring device having a forwardly protruding nose carrying a hot melt adhesive and a rear recess surrounded by a circular rim has a housing having a head portion and a handle. The head portion has a planar front wall provided with a front recess dimensioned to receive the anchoring device. An electric heater in the head portion has a platen, dimensioned to extend into the rear recess of the anchoring device, protruding into the front recess. The dimensions of the front recess and platen are such that the nose of an anchoring device received in the front recess with the platen extending into the rear recess of the device and in contact with the rear of the nose thereof protrudes slightly forwardly beyond the plane of the front wall so that the nose of the device can be firmly pressed against a surface to obtain secure bonding of the device after the heater has been energized to melt the adhesive.

Abstract: Bags are manufactured from a tubular web of thermoplastic film. An air injector periodically inflates the film whereupon it contacts cooperating vacuum plates. One of the plates has a cutting die which cuts a tab in the film which in turn provides an ingress for the injected air. The film is then sealed and severed to form the bags, which are then formed into a block. The tab then serves as an opening to facilitate the removal of individual bags from the block.

Abstract: A gas flow amplifier has a housing defining an axially extending cylindrical chamber. A hollow truncated conical diffuser diverges outwardly from one end of the chamber, and a high pressure primary gas is introduced into the chamber at its opposite end in a manner such as to entrain a flow of ambient secondary gas into the chamber, and to cause the thus introduced primary gas and entrained secondary gas to exit from the chamber and into and through the diffuser.

Abstract: A rolling mill laying head has a first tubular shaft mounted on first bearings for rotation relative to a stationary housing structure. A second hollow shaft carrying a three dimensionally curved laying pipe is mounted on second bearings for rotation relative to the first hollow shaft. Both hollow shafts are rotatably driven in the same direction at different speeds.

Abstract: A cutter-bit assembly employs an arcuate wedge to secure a cutter-bit within a pocket of a holder. The wedge fits into a tapered gap between complementary curved surfaces of the holder and the cutter-bit shank. A projecting insert carried by the shank mates with a serrated portion on the wedge. Contact is established between the wedge and the curved surfaces of the holder and the shank over outer regions separated by non-contacting clearances.

Abstract: A composite outsole has a substantially planar first element with a bottom tread surface, a top surface spaced from the bottom surface, and an outwardly facing side edge extending around the bottom tread surface. A lip extends around the top surface and protrudes laterally beyond the outwardly facing side edge.A second element is molded onto the top surface of the first element. The second element has a peripheral portion overlapping the lip of the first element. An inwardly facing side edge on the peripheral portion is spaced laterally from the outwardly facing side edge of the first element to define a downwardly open groove therebetween.

Abstract: A pole mounted pruning tool with a pair of cutting jaws, one being pivotally movable in relation to the other to effect a cutting action. The movable jaw is pivoted by an operating lever which has an adjustable length, thereby providing a means of varying the cutting torque.

Abstract: A power transmission apparatus having an input shaft connected, by planetary gearing, to two coaxially arranged output shafts. The planetary gearing permits differential rotation between the output shafts. A limiting device located between the output shafts to limit the differential rotation thereof. The limiting device includes a clutch member mounted on the first output shaft and alternating first and second clutch plates. The first plates are axially movable relative to and rotatably fixed to the clutch member, and the second plates are axially movable relative to and rotatably fixed to the second output shaft. An interengaging cam mechanism is carried on the clutch member and the first output shaft, and arranged such that upon relative angular movement between the clutch member and the first output shaft, the clutch member is moved axially to frictionally engage the first and second clutch plates.

Abstract: An easily cultured worm is genetically modified such that its surface antigens on its modified form are immunologically identical to the surface antigens of a parasitic worm. Specifically, C. elegans is genetically modified to produce antigens corresponding to the antigens of D. immitis which causes heartworm infection. The antigens derived from the easily cultured worm are used to form a vaccine and/or diagnostic.

Abstract: A mine roof support has a slidable extension at the front end of an auxiliary roof cap pivoted for swinging up and down on a main cap. To prevent the extension from being extended when the angle of inclination of the auxiliary cap is too high an insulative cylindrical block is fitted to say the auxiliary cap to partially rotate as the auxiliary cap pivots. A flattened region on the block supports a metallic plate and indexes as the auxiliary cap pivots. A resiliently-mounted proximity switch on the main cap senses the presence of the plate and produces a signal to prevent the extension from being extended.

Abstract: An electronic display device having a polyaniline film coated on a transparent electrode. The film has electrochromic properties and will display at least three distinct reproducible color changes.

Abstract: In a pattern display system wherein color signals are produced based on serial color data signals of red, green and blue and background colors from background color information storage means and a color pattern is displayed on predetermined picture elements in response to the color signals and an output of a voltage level signal generating circuit, there is provided color control information storage means, and amplitudes of the voltage level signal and the color signal are controlled by color control information from the storage means, so that the color pattern display can be effected with deep, pale, bright and dark properties of color controlled.