Abstract: A transporting device having an overhead track arrangement with straight sections, curved sections, crossing sections and switching sections. A track carriage is movably mounted on the track. A wheeled transport carriage unit moves over a floor surface and is releasably coupled to the track carriage. Structure is provided for effecting a desired movement of the track carriage through switching sections and crossing sections. The transport carriage unit has the drive mechanism thereon and essentially pushes and follows the guide offered by the cooperating track and track carriage.

Abstract: A method for preparing a female mold employing a thermoplastic resin sheet which is softenable and moldable at a relatively low temperature and hardenable at a room temperature. This female mold is accurately profiled by a head of a person who will wear a wig and advantageously employable as a female mold for forming a head model or male mold used for a wig base or used as a workbench for the wig.

Abstract: For temporarily fixing circuit elements to a panel pins are used whose thickened inner ends are gripped by jaws behind the panel. There are sliding sleeves on the pins that may be used for pushing the gripping jaws clear of the pins so that thickened inner ends of the pins may be pulled past the jaws and the pins pulled out clear of the panel.

Abstract: A magnetic toner comprises magnetic powder and a coating layer to cover said powder, the layer being a reaction product between (1) a silane coupling agent containing an amino group, an isocyanate group or an epoxy group and (2) one or more compounds having a functional group reactive with one of the reactive group on the silane coupling agent. A compound having a carboxyl group, an acid anhydride, an isocyanate compound or a ketene dimer is used for the amino group. A compound having a hydroxyl group, an amine compound or a compound having a carboxyl group is used for the isocyanate group. A compound having a hydroxyl group, a compound having a carboxyl group or a copolymer of a di- or monoalkylamino-alkyl (meth)acrylate and a hydrophobic vinyl monomer is used for the epoxy group. The magnetic toner is improved about dispersibility in a binder.

Abstract: A coating composition which comprises(A) a polyol resin obtained by the reaction of a prepolymer of epoxy resin and polyhydroxy penolic compound such as(i) poly-nuclear polyhydroxy phenols having adjacent hydroxy groups(ii) polyol esters of polyhydroxy phenolic carboxylic acids having adjacent hydroxy groups, and(iii) a mixture thereof, and one or more compound having one or more amino groups reactive with epoxy group;(B) a compound having more than one isocyanate group or groups which change to isocyanate groups under hardening condition, and(C) a bituminous material and/or its substitute.This coating composition can be coated on rusty metal surfaces.

Abstract: An electrophotographic photoconductor is disclosed, which comprises an electroconductive support material and a photosensitive layer comprising at least one 1,3-dithiol derivative of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently represent hydrogen, a substituted or unsubstituted phenyl group, or R.sup.1 and R.sup.2 in combination can form a ring; R.sup.3 represents hydrogen or an alkyl group; and R.sup.4 and R.sup.5 independently represent an alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group.

Abstract: An apparatus for controlling a let-off motion in a loom having a let-off motion motor includes a tension detector for detecting a warp tension to produce a tension correction signal, a control unit responsive to the tension correction signal for producing a speed signal, a driving amplifier for controlling the let-off motion motor in response to the speed signal, a warp coil diameter detector for issuing a warp coil diameter correction signal inversely proportional to the diameter of a warp coil on a beam to the driving amplifier, and a normal-reverse rotation control unit responsive to the warp coil diameter correction signal for selectively applying prescribed normal- and reverse-rotation signals dependent on a rotation command to the driving amplifier. With this arrangement, the motor is rotated at a desired constant speed for feeding out or rewinding the warp yarn for a desired length irrespectively of the warp coil diameter.

Abstract: The heat sensitive transfer medium according to the present invention is characterized in that it comprises a transfer sheet having a transfer layer consisted essentially of a leuco-dye color former and a receiving sheet having a receiving layer consisted essentially of a developer for said leuco-dye and a binder and that said transfer layer further contains 0.01 to 1 part by weight of polyester resin which has a melting point of 50.degree. to 130.degree. C. and a repetition unit represented by the formula: ##STR1## together with 0.01 to 1 part by weight of a porous filler which has an oil absorption of 50 ml or more/100 g, respectively per part by weight of said leuco-dye.

Abstract: A process for preparing a graft polymer by subjecting a cyclic ester to ring-opening polymerization in the presence of a cellulose derivative in the presence of a ring-opening polymerization catalyst for the cyclic ester. The resulting graft polymer has high transparency, good film-formability and high solubility and can be suitably used as a novel polymer material.

Abstract: A dial gauge according to the present invention wherein moving ranges of a dial plate and a needle are determined to be within predetermined limits.In this dial gauge, the dial plate is interposed between an inner frame and an outer frame in a manner to be rotatable relative to either the inner frame or the outer frame, and a projection formed on the undersurface of this dial plate is positioned within a groove formed on the top face of an outer frame mounting portion of the inner frame to thereby control the dial plate in its moving range. On the other hand, a slot is formed in a gear for enlarging and transmitting a movement of a spindle in the circumferential direction of the gear and the forward end of a pawl affixed to the inner frame is loosely inserted into the slot to thereby restrict the needle in its turning to less than one turn.

Abstract: In a pointer sliding mechanism intended for use in a pushbutton tuner, there is fixed on the base plate of the tuner a pair of pivots, right and left, on which right and left links are pivotably mounted at the front ends thereof; a pointer mount-plate is pivotably mounted to the right and left links at the rear ends thereof so as to couple these links together. On the other hand, there is provided on the base plate of the pushbutton tuner a memory slide which is movable in the direction of the width of the tuner, and a V-shaped link is mounted between the memory slide and one of the links supporting the pointer mount-plate, which V-shaped link is freely openable and closable; the arm of this V-shaped link on the side of the memory slide is pivotably mounted at the central portion thereof to a pivot fixed to the base plate.

Abstract: Variable capacitance device consisting of a semiconductor substrate having a first conductivity type semiconductor layer, at least one second conductivity type semiconductor region formed in a surface portion of said first conductivity type semiconductor layer, and a barrier for generating a depletion layer formed on the surface opposite to said surface portion of said first conductivity type semiconductor layer, in which a capacitance reading-out section is disposed on said at least one second conductivity type semiconductor region.

Abstract: A magnetic recording medium excellent in magnetic properties and durability is provided which is characterized by containing magnetic powder coated with a reaction product between an aminosilane coupling agent and at least one compound selected from the group consisting of an acid anhydride of 6 to 22 carbon atoms and an alkylketene dimer. A magnetic paint containing said coated magnetic powder has good dispersibility of the magnetic powder and provides improved adhesion between the magnetic powder and a binder.

Abstract: A valve assembly with a bank or row of switching valves has a base plate of u-like cross section with two flanges and a web therebetween. Within one of the flanges there is a common supply duct and in the other there is a common air outlet duct for the valves placed on the plate. The housings of the valves are generally block-like and their inlet and outlet ports are placed in opposite sides thereof. The sides with the air outlet ports furthermore have electrical connection pins for the solenoid magnets of the valves. A common electrical plug connector is placed covering over the pins of all the switching valves. There is a single muffler for all the switching valves.

Abstract: A bypass passage interconnects intake manifold passages and has a bypass valve disposed therein for shifting the tuning point for inertia supercharging, the bypass valve being actuatable to close and open the bypass passage by a bypass valve actuator operatively connected between the bypass valve and an accelerator-responsive lever for closing the bypass valve when the engine load increases.

Abstract: A displacement measuring instrument wherein a cam (9) is engaged with a movable member such as a spindle (5), a rectilinear movement of the spindle (5) is converted into a rotary motion of the cam (9), the rotary motion of this cam (9) is enlarged and transmitted to a follower through a rotator (20) rotatable in synchronism with the cam (9), an indicating device (32) is driven due to rotation of the follower (21) for indicating a displacement value of the spindle (5). Component parts are small in number and construction is simplified.

Abstract: A device for opening envelopes includes a movable knife blade which is mounted on a swingable knife holder and is urged towards a complementary edge which is preferably formed by a further knife blade. The movable knife blade is inclined in its longitudinal direction. A cutting operation is effected at the point of engagement of the movable knife blade with the stationary one. Movement of the movable knife blade causes the edge of an envelope be gradually severed. The knife blades are supported on a base part which preferably has, underneath the cutting parts, a removable waste drawer.

Abstract: The auto-scan changeover system for a two-band radio receiver employing first and second PLL frequency synthesizers comprises: first detecting circuit responsive to a tuning frequency scanning signal from the first or second PLL frequency synthesizer for detecting completion of a scanning operation of a broadcasting band by first or second auto-scanning circuit; first switching circuit responsive to a detection signal from the first detecting circuit for switching a power supply between first and second broadcasting band reception circuits so as to render one of the reception circuits operative for reception; second detecting circuit for detecting that the first switching circuit switched the power supply to the first or second broadcasting band reception circuit; and second switch responsive to a detection signal from the second detecting circuit for actuating first or second broadcasting band auto-scanning circuit.

Abstract: This film deposition equipment is arranged so that metal is evaporated in atmosphere including reactive gas introduced in a vacuum, and pressure variation of the reactive gas caused by the metal evaporation is detected to know and control metal evaporation amount.

Abstract: A portable ice fishing shelter includes an integral, molded shell having a bottom wall, side and rear walls which extend upwardly from the peripheral edges of the bottom wall, and a top wall which extends between the upper edges of the side and rear walls. The shell is adapted to stand on the bottom wall in an upright position of use and has sliding surfaces on outward projections on the rear wall which can slidably support the shell on ice and snow to facilitate transport thereof. A seat is provided within the shell and compartments are provided between the seat and bottom wall for holding items such as fishing tackle, a lantern, and fish which have been caught. An optional snow blind includes two vertical panels, each having an edge pivotally supported on a front edge of a respective side wall.