Showing papers on "Stub (electronics) published in 1978"

Electronic device package having solder leads and methods of assembling the package

Abstract: An electronic circuit package (11) includes a substrate (14) with leads (21) extending from at least one edge thereof. The leads (21) have a split end (26) formed by two slits (31, 51). The slits divide the end into a lead stub (29) and a flag end (28). The flag end (28) is formed up in a step of approximately the thickness of the substrate (14). The forming of the flag end (28) foreshortens a flag support (32) to locate a flag (34) in substantial superposition to the lead stub (29). Both the lead stub (29) and the flag (34) are solder bonded to respective bond pads (18) on the upper and lower major surfaces of the substrate (14).

Diplexer and multiplexer

Abstract: A plurality of different frequency signals f 1 , f 2 , f 3 , . . . fn are combined for transmission in a common transmission line by a series of hybrid circuits each including a through coupler for feeding through frequency signals through the hybrid circuit to the output thereof, an injection coupler for feeding an injected frequency signal to the hybrid output and one or more tuned circuits between the couplers that are tuned to the frequency of the injected frequency signal and connected to the couplers by a stub transmission line of electrical length in terms of wave lengths of the through frequency, so that substantially all power of the through frequency signal and all power of the injected frequency signal flow from the hybrid circuit output to the next hybrid circuit in the series.

Foldable mast assembly

Abstract: A foldable mast assembly for sailboats wherein a main mast is pivotably connected to a stub mast which is pivotally connected to a base secured to the sailboat deck. A removable pin extends between the stub mast and base whereby the main mast and stub mast may be folded to an inoperative position substantially parallel to the main deck and centered approximately lengthwise of the sailboat. The folding and raising of the main and stub masts are controlled by a cable reeved through sheaves carried on the main and stub masts, one end of the cable being connected to the fore deck near the bow of the sailboat and the other end connected to a power winch on the aft deck of the sailboat. In smaller sailboats, having small masts where cables and sheaves are not required, the folding and raising of the main and stub masts can be accomplished manually.

Detachable mounting for windscreen wiper on vehicle - has multicomponent drive stub with removable extending section

Abstract: The wiper stub (22) for the special car is linked to the drive shaft by special couplings so that it can be removed from outside the vehicle to leave a flush fitting. The coupling does not require any special tools. It is suitable for racing and special performance cars so that drag and wind noise are reduceD. The coupling can be a simple bayonet type held together by an axial spring in the hollow drive shaft. The design can be aplied to any stub driven wiper using a hollow, two part drive shaft.

Ink roller and method of making same

Abstract: There is disclosed an ink roller adapted to be used in a printing apparatus. The ink roller includes a hub having a roll-mounting section, a flange section, a first stub shaft adjacent the first flange section and a second stub shaft disposed opposite the first stub shaft and joined to the roll-mounting section. A second flange section telescopically receives and is axially aligned with the roll-mounting section. The second flange section is joined to the hub preferably by ultrasonic welding. There is also disclosed method of making the ink roller.

Motor-vehicle drive-shaft assembly

Abstract: A drive shaft of a motor vehicle has a pair of coaxial input and output shaft stubs having their confronting ends provided with radially outwardly extending flanges. A circumferentially corrugated sheet-steel tube of substantially greater diameter than the shaft stubs connects the outer peripheries of these flanges together. Thus the tube transmits torque between the two stub shafts but nonetheless allows limited relative radial and axial displacement therebetween to prevent vibration transmission.

Coupling for windscreen wiper blade - has press-on moulding with hollow pivot stub including internal thread for fitting bolt

Abstract: The end of the wiper arm (40) has a press on moulding with a lateral stub (31) which locates through a hole in the side of the wiper blade support (10). The stub is hollow and threaded to take a securing bolt (20) through a hole in the other side of the support. The bolt pivot has no sharp edges to cause injury and can be removed to replace the wiper. The bolt can be a captive mounting in the side hole so that it is not easily lost.

Versatile developing machine for offset plates - is of modular construction to permit assembly for variety of processes for different plates

Abstract: A machine developing offset printing plates can easily be adapted for use with different sorts of plates requiring different handling in development. It has a number of stations for treatment with development or rinsing liquids, or with drying air, and means for transport between stations. The machine is built up of a number of modules of indentical dimensions mounted on a common framework (1), each containing a pair of transport rollers (4) geared to a stub shaft lying parallel to the direction of progress of the plates. Drives for any device (5) for mechanical treatment of the plate are included, as well as couplings to link the stub shafts of adjacent units.

Stub case obturator

Abstract: A method and means for obturating a stub case on the barrel wall of a firearm is disclosed having an annular bead located near the top of the stub case wall dimensioned so as to provide an annular gap between the bead and the barrel wall thereby throttling the streams of gas flowing back after detonation The gas is thus permitted to expand and is deflected in a Y-shaped packing ring so that the radial pressure of the gas against the oblique arm of the packing ring provides a satisfactory obturating action

Device for cleaning grease-filled cable stub

Abstract: An unsheathed grease-filled cable stub has the grease removed from around the insulated wires by subjecting the cable stub to radiant heat over the length of the stub and over a major portion of its circumference while the stub is supported on a flexible open mesh of material that overlies a trough. The heated grease melts and flows downwardly for collection into the trough, the grease also flowing through the supporting mesh. The heating temperature of the cable stub is kept low enough to prevent damage to the insulation of the wires.

Exhaust stub with end plate

Abstract: An exhaust stub for a turbo-prop engine which exits from the aircraft nacelle at a location other than the aft end. A fairing is attached to the exhaust stub to minimize frontal area for a given exhaust stub exit area, but free of the nacelle, because of the requirement for the exhaust stub to move relative to the nacelle. An end plate is secured about the exhaust stub and fairing, substantially parallel to and at close proximity to the nacelle. The end plate effectively improves the performance of the fairing, by eliminating the effect of the gap in the nacelle around the stub and also the gap between the fairing and the nacelle. Improving the performance of the fairing reduces the magnitude of the exhaust duct wake which in turn reduces the momentum definiency in the wake flow; reduces exhaust duct drag; reduces mixing of the exhaust gases into the wake region; and reduces nacelle sooting by exhaust gases.

Heat shrunk cable grommet - consists of tube with flange before shrinking and smaller tube with grooved funnel after shrinking

Abstract: The cable feedthrough or grommet is made of heat-shrink material and used for feeding a cable through equipment housings. The grommet has a cylindrical neck (1) that fits over the cable and a funnel-shaped flange (3) with a stub end (4) of the same size as the neck. Heat shrinking reduces the neck to grip the cable and the flange and stub end become a funnel-shaped piece with a peripheral groove formed by the stub end curling back on itself. The edges of the round hole in the housing engage in this groove.

Mast mounting for wind-surfer - has press-fit coupling and sprung retaining ratchets which are adjustable to grip in groove around mounting stub

Abstract: The windsurfer has a mast mounting stub (3) bolted to its upper face. The universal joint (5) at the bottom of the the mast is located over the stub and secured by two or more spring loaded ratchet stubs (11) which grip into a groove (10) about the mounting stub. The mast mounting is pulled off at a set force to minimise injury. The spring pressure is adjusted by external screw adjusters (14, 16) so that the user can set the removal force. The stub has a conical profile, and fits into a similarly shaped recess in the mast joint.

Three dimensional assembly game

Abstract: Three dimensional assembly game has apertured discs placed on upright stub with holes differently radially placed for alignment

Temporary closure for stub pipe - has expandable elements insertable into pipe with force exerted by steel balls

Abstract: The temporary closure is for a stub pipe (2) which provides access to a main pipe and comprises a tube (6) having an end connectable to the outlet of a valve (3) normally closing the stub pipe. A hollow rod insertable through a seal in the other end of the tube can be pushed through the valve when open. The inner end of the rod supports steel balls separated by resilient seal elements all threaded onto a steel wire extending through the rod. Tightening of the wire compresses the seal elements into sealing engagement with the stub pipe to close it e.g. for repair to the valve.

Injecting synchronous oscillator

Abstract: PURPOSE:To set a resonance circuit without losing directivity between injecting and outputting ports by applying a synchronizing signal equal to an oscillation frequency to one gate port of a dual gate FET element with the other port grounded. CONSTITUTION:Of dual gate type microwave FET10, 1st gate port 10a is connected to synchronizing-signal input terminal 12 via matching circuit 11, and 2nd gate port 10b is to 1/4-wavelength full resonator 13. In addition, drain-side port 10c of FET10 is grounded and source-side port 10d is connected to output terminal 15 via direct- current stopping capacitor 14. To sourceside port 10d, stub 16 for an oscillation condition adjustment is connected at a position about 1/4-wavelength away from port 10d.

Stub design for ESR electrodes

Abstract: An electrode for electroslag remelting is provided by combination of an ingot having a toe end with an essentially flat outer annular surface and a central protrusion together with a current-carrying stub bridging across the central protrusion and welded to the flat portion of the ingot toe end on opposite sides of the protrusion such that metal wastage and surface preparation costs for stub-to-ingot welding are avoided.

Packaged inductive coil assembly

Abstract: PACKAGED INDUCTIVE COIL ASSEMBLY Abstract A plurality of individual toroidal loading or inductive coils mounted on a fiberglass dowel are positioned within a D-shaped case so that wiring spaces are provided between the peripheries of the coils and the junctions of the arcuate and straight sections of the case Terminal strips are laid in the wiring spaces so that coil and stub cable wires may be secured to terminal posts projecting from the strips The case is provided with openings to permit encapsulation of the coils The D-shaped configura-tion of the case permits compact assembly of a number of cases within an outer casing i

Character stub unit

Abstract: PURPOSE:To enable the stub with a good performance even with the separated pattern as ''/\'' and with duplicated patterns but not contacting each other, by stubbing each character based on the character position described.

Slot line frequency converter

Abstract: PURPOSE:To realize the microwave conversion of wide band and to effectively operate the converter for mixer and 0 - pi phase modulation, by coupling the diode so that the input terminal of the slot line stub is shortened and made in cross connection

Antenna mast guy for medium wave transmitter - employs guy plus earthed stub of half wavelength to suppress secondary radiation

Abstract: A guying system, esp. for a lattice mast is used for a medium wave radio transmitting station, which avoids the need to split the guys into sections by means of insulators, yet avoids secondary radiation from the guy wire. The insulator chain at the point of attachment of the guy to the mast is attached to a single guy wire which is anchored to a ground insulator and earthed through a stub plus guy is a multiple of a half wavelength of the transmitter.

Combination drive reducer for a paddle type mortar mixer with stub mounts

Abstract: A plaster or mortar mixer embodying a stub shaft mounting assembly for the mixer paddles disposed interiorly of the mixing drum and a reduction gear drive system enabling use of a standard electric motor or universal internal combustion engine with the reduction drive system employing a belt and pulleys, a sprocket chain and sprocket gears and a meshing gear assembly which eliminates the necessity of a relatively expensive reduction gear unit thereby rendering the mixer less expensive to manufacture and maintain. The stub shaft mounting of the mixer paddles enables the paddles to be permanently and rigidly secured to the paddle shaft in the form of a supporting tube such as by welding or the like with the stub shafts detachably connected to the tube in order to facilitate the removal of the replacement of the paddles and tube.

Coupling between feed pipe and tank filler stub - automatically opens axial slide valve in pipe nozzle and stub flap valve

Abstract: Pipe coupling for connecting a fuel feed pipe (1) to a tank filler stub (8) has a flap valve (9) normally closing the stub from the inside and an axial slide valve normally (3) closing the end of the nozzle (16) of the feed pipe. The nozzle supports a locking disc (6) manual rotation of which connects the nozzle to the stub. The action of the disc also opens the two valves when the feed pipe is connected and allows closure of the valves when the feed pipe is disconnected.

Apparatus for dimensional gauging of angular members

Abstract: The invention pertains to apparatus for gauging the relative relationship between angular construction members, and particularly pertains to apparatus for measuring stub angle supports used with electrical transmission towers. The apparatus consists of a pair of threaded shafts each including a radial shoulder and a nut wherein each shaft may be received within corresponding holes formed in the planar portions of the angular member to be measured. The shafts are axially bored to slidably receive an anchor shaft having a measuring tape anchor defined thereon, the anchors of the pair of anchor shafts adapted to engage for diagonal measurements, and keying means defined on the anchor shafts and the associated threaded shaft prevent rotation of these components when the tape anchor is disposed adjacent the threaded shaft end.

Micro-slot-stripline phase shifter

Abstract: A phase shifter having, on one surface of a substrate, a microstrip stub which is connected in parallel to a microstrip line and which is open at one end. Disposed below the stub is a slot which is short-circuited at a point below the open end of the stub, and which ends in an open circuit at the opposite end.