Abstract: A throttle control device for use with a spring-return throttle wherein a rotatable sleeve on a handlebar must be rotated to advance the throttle, the throttle control device including a clamping arrangement receivable over the rotatable sleeve to be just forward of a handgrip normally received over the sleeve, the clamping arrangement having a tab that engages conventional equipment to prevent rotation of the clamping means, and including a lever operated cam for clamping the sleeve to hold the throttle in a pre-set position, the clamping arrangement being held in position by the handgrip.

Abstract: There is provided a resilient connection between an engine and a transmission housing, of a vehicle of the open frame type, for dampening engine generated noise which is transmitted to the frame via the transmission housing. The resilient connection comprises rubber rings or cups on metallic spacer bushings compressed between the engine and housing. There is also an axially telescopic drive shaft from the engine to the transmission which accepts limited angular movement between the engine and housing in the plane of the resilient connection.

Abstract: A safety guard apparatus for a power press prevents the ram of the press from descending until the safety guard is in position to protect the operator. On presses which are equipped with part revolution clutches, the safety guard apparatus causes the ram to stop if the safety guard sensor is raised during operation. The safety guard is reciprocably mounted in a frame attached to the power press, and a sensing member is movably mounted on the safety guard. The bottom edge of the sensing member extends below the safety guard, and upward movement of the sensing member moves a switch-contacting rod out of engagement with a normally closed switch which is held open by the rod. The safety guard is raised and lowered by a power cylinder, and when the sensing member is raised and the normally closed switch closes, the power cylinder raises the safety guard.

Abstract: A mechanism which normally is driven by a motor, but which can be safely manually driven by a hand crank or the like in case of a power shortage or other emergency. The mechanism has a power-driven drive gear and a driven assembly which preferably includes a gear-like member, such as a worm, and a crank-receiving member, such as an internally splined hub. A disconnecting assembly which is responsive to engagement of the hand crank in the crank-receiving member is provided to disconnect the driven assembly from the power-driven drive gear.

Abstract: A mechanism for generating a square output motion utilizing a continuous constant speed rotary input. A reaction member such as an internal or external ring gear concentric to a first axis is provided together with first and second rotating members, the second being mounted for rotation on the first rotating member on an axis spaced from the first axis. An output member is mounted on the second rotating member and a means is provided for connecting for rotation the second rotating member and the reaction member. Input rotation of the second rotating member causes the output member to follow a square path.

Abstract: Apparatus for rotating a driven shaft in the same direction at two different speeds upon rotation of a drive shaft in respective, opposed directions. The apparatus includes a sun gear on the drive shaft, a ring gear on the driven shaft, a planet carrier rotatably mounted on the drive shaft, adjacent to the sun gear, one or more planetary gears rotatably mounted on the planet carrier and in mesh with the sun and ring gears. An over-running clutch locks the planet carrier to the drive shaft when the latter rotates in one direction to thereby lock the planetary gears to the sun and ring gears to cause rotation of the ring gear and the driven shaft in a first direction at a first speed. A sprag prevents rotation of the planet carrier relative to a fixed support when the drive shaft rotates in the opposite direction to thereby allow rotation of the planetary gears about fixed axes to rotate the ring gear and thereby the driven shaft in the first direction at a second speed.

Abstract: A single lever control unit for sequentially operating a transmission and throttle and, selectively, for operating the throttle independently of the transmission. A throttle shaft assembly disengages from a throttle gear by pulling out the shaft while in the neutral position. A double key on the throttle shaft disengages from a keyway in the throttle gear and a spring-loaded pin engages a cavity in the throttle gear to lock both shift and throttle gears in the neutral position. Throttle only may then be applied. When the hand lever is returned to the neutral position, the throttle shaft automatically engages the throttle gear and the locking pin automatically disengages by means of spring loading. The locking pin prevents pulling out the shaft in other than the neutral position.A spring provides axial loading between the throttle arm connected to the shaft and a friction plate mounted on the shaft. This loading creates a frictional drag which prevents throttle creep.

Abstract: There is disclosed a torque wrench, including a main body, an actuator including a piston/cylinder arrangement and cooperating spool valve which selectively supplies pressurized fluid to either side of the piston member. The actuator is supported in the main body and adapted to act upon and selectively reciprocate a thrust member relative to the main body, the thrust member being adapted to engage and pivot a torque arm for providing a torque output at an output shaft via a ratchet arrangement incorporated between the torque arm and the output shaft. The torque arm is supported independently of the thrust member and is not physically connected thereto.

Abstract: A combined ratchet and torsion wrench which in the preferred embodiment includes a drop-in drive mechanism which is a separate, integral subassembly which can be dropped into a housing in the wrench head and a push-pull operable torsion shaft positioning mechanism slidable between shaft positions of engagement with and disengagement from the drive mechanism.

Abstract: A cutting tool arrangement is disclosed for use in a preprogrammed lathe that comprises a rotary driven chuck holding a workpiece, a rotary turret carrying a plurality of tools and mounted for movement longitudinally of the axis of rotation of the chuck, and a cross slide mounted for movement transversely of the rotational axis of the chuck. The cutting tool arrangement comprises a support member for being mounted on the cross slide, a sliding member mounted on and for sliding movement transversely of the elongate member, said sliding member having mounted thereon at one end thereof a workpiece cutting tool, and a follower member for being mounted on the turret so that upon movement of the turret towards the chuck the follower abuts the sliding member to cause the cutting tool to be swept longitudinally of the workpiece.

Abstract: A glass scoring device includes a scoring head assembly and a carriage each pivotally mounted about an axis. The carriage has a pair of spaced wheels biased toward a glass ribbon and a support member. The support member biases a cutting force against the scoring head assembly to score the glass ribbon. Irregularities in the glass ribbon thickness and/or eccentric conveyor rolls oscillate the carriage and scoring head assembly about the axis. Oscillatory movement of the carriage and scoring head assembly cooperate to maintain a constant cutting force on the scoring head assembly.

Abstract: A cutting machine utilizing a high velocity fluid cutting jet for cutting is provided with a receiver to absorb the cutting jet after it passes through sheet material in a cutting operation. The receiver comprises a jet-deflection chamber having an inlet positioned to receive the fluid jet and an inside wall which turns or deflects the jet in a whirling or circular path to dissipate the energy or momentum of the jet. A drain from the chamber may be provided to continually evacuate the spent fluid of the jet.

Abstract: A dispenser for flexible sheet material having a reserve roll that automatically moves into the dispensing position when the dispensing roll is almost exhausted. The sides of the reserve roll guide tracks are angled inwardly to engage the reserve roll spool at an off center point, so the spool is pushed downwardly into contact with a driving roller during rotation. The leading edge of the reserve roll towel engages the remaining portion of the almost exhausted dispensing roll and is moved therewith to be threaded through the dispensing mechanism. The perforating mechanism is assisted through the perforating stroke by a spring mechanism. The sensing roll is halted by a roll stop mechanism including a pivoted stop link and an anti-reverse pawl.

Abstract: Noise output of a rotary cutting tool such as a circular saw blade is substantially reduced by means of a guard which wholly encloses the blade when the blade is not cutting and which comprises fixed and movable imperforate guard members, the movable guard member being movable to expose only the cutting segment of the blade. Inner surfaces of the flat side walls of the guard have sound absorbing means such as a Helmholtz resonator array or a layer of acoustical foam. Modifications of the guard to optimize its silencing effectiveness are disclosed.

Abstract: A convenient and inexpensive apparatus for slicing, dicing and cutting foodstuffs, such as fruits and vegetables, especially those having varying densities throughout their volume, comprising a horizontal base member having a plurality of upstanding peg members to support an article to be cut and a pivotable cutting frame supported by the base member and carrying a plurality of slicing knives each of which has a double-edged knife surface for cutting through the article. A detachable dicing frame can be slidably inserted adjacent the knife frame assembly for the dicing of an article.

Abstract: A saw blade has teeth formed with cutting edges which are inclined relative to the side surfaces and which extend only partly across the blade width, the cutting edges of successive ones of the teeth extending transversely inwardly from opposite side surfaces of the blade.

Abstract: An arpeggiator for an electronic organ, comprising a source of ramp voltage having selectively a slowly ascending and a slowly descending section or only a slowly ascending section followed by a rapid reset, an accordion-like voltage divider for said ramp voltage consisting of a cascade of diodes, each calling forth one of a group of three tone signals when conductive, or no tone signal if short circuited, circuits for determining which diodes shall be conductive and which short circuited according to which keys of an organ are actuated, the ramp voltage peaking when all conductive diodes have been ascendingly scanned by the ramp voltage, each conductive diode when scanned by the ramp voltage falling forth a gating signal for one of the tone signals called for by the actuated keys, in orderly sequence of tone signals.

Abstract: A LSI (large scale integrated circuit) device is disclosed which generates 12 output frequencies related to each other by a multiple of the twelfth root of two from a common time base without the use of parallel divider or shift register strings. The output frequencies comprise the top octave, or a multiple thereof, of the frequencies of an electronic musical instrument. A binary counter serves as a common time base and encodes each wave form period in a form of a binary code. A binary processing circuit associated with each output frequency stores the count position of the next desired wave form transition and updates the stored code after each transition has occurred. The binary processing circuitry comprises a latch circuit, a binary full adder or ROM (read only memory), a digital comparator or ROM, and a J-K flip-flop circuit. The outputs can be easily modified in both actual frequency and waveform symmetry.

Abstract: An electrical string-instrument having a plurality of strings, a support member stretching the strings, electromechanical transducers respectively corresponding to the strings, a plurality of gate means for gating the outputs from the electromechanical transducers or signals based thereon, and gate signal generating means.

Abstract: A device for continuous pitch variation has rotary support levers which connect the extension piece of the neck flexibly with the body of the instrument. A rotary string holder is mounted on the extension piece of the neck and a ribbon connects the string holder with one of the rotary support levers (via a roller). A tension spring connects one of the rotary support levers with the extension piece of the neck or as a second possibility with the body of the instrument. A counterweight is mounted on another rotary support lever which is so connected with the extension piece of the neck or one of its support levers that, when sliding the neck, an opposite movement of the counterweight will be effected. A locking or stop device gives the player the possibility to lock or to open the mobility of the neck.

Abstract: A stringed musical instrument with fixed frets is provided with the capability of employing more than one tonal scale. At least two fretted fingerboards are provided with frets located at different relative positions on the respective fingerboards. A transversely opening groove is formed on the instrument beneath and parallel to the strings. On the underside of each fingerboard, a corresponding groove is provided which opens transversely with respect to the fingerboard. Each of the fingerboards can be mounted to the instrument when desired by engaging the groove on the selected fingerboard with the corresponding groove on the instrument. A mechanism is provided for forcing the grooves together so that the fingerboard is secured to the instrument in a releasable fashion.

Abstract: A nonslip guitar pick is disclosed, including a palm piece attached to the pick by means of a flexible connection, which palm piece and flexible connection cooperate to prevent the guitar pick from rotating in and slipping from the fingers of a guitar player.

Abstract: A box consisting of bottom, side and end walls forms a resonating chamber. An integral sounding panel has thickened ribs on the underside of its ends secured to the tops of the end walls with continuous side strips overlying the tops of the side walls of the chamber in spaced relation thereto. Between the side strips, the panel has three or more spaced longitudinal slots formed therethrough and extending between the ribs on the bottom of the panel. Transverse slots are formed between adjacent longitudinal slots at different distances from the ends of the panel forming vibratory fingers of different lengths. The undersides of the free ends of the fingers have thickened portions which are equal in thickness to the end ribs on the panel, and which extend from the free ends of all of the fingers to an equally spaced distance from the end ribs.

Abstract: An expansion dowel consists of a sleeve, a tie rod extending through the sleeve with an end support on one end of the tie rod and an expanding body on the other end. The end support can be a bolt head or a nut. By applying torque to the end support the expanding body can be pulled into the sleeve causing it to expand. A jacket laterally encloses the end support in form-locking engagement. The jacket is formed of a destructible material, such as a plastic, which is demolished when a predetermined torque is applied through the jacket to the end support signalling that a certain anchoring force has been achieved.

Abstract: A blind rivet comprising a sleeve with a preformed rivet head at one end, and a setting pin telescoped into the sleeve and having a pulling section projecting beyond the headed end of the sleeve and an expanding head projecting beyond the other end of the sleeve, to be pulled into the sleeve from the headed end thereof to expand the other end of the sleeve into a bulb-shaped rivet head against one side of two workpieces that are to be riveted together, the pulling section being broken off after the rivet is set, in response to engagement of the expanding head with stop means in the sleeve. The expanding head has an expanding shoulder for initiating expansion of the sleeve, and a taper beyond this shoulder which progressively increases the diameter of the head toward its free end.

Abstract: A unitary tatting shuttle has an elongated body portion with laterally-extending thread guards at each end providing means for storage of a large quantity of thread wound around the periphery of the body. An axially-extending pin projecting from one end of the shuttle has a hook on its distal end for manipulating thread. A resilient sleeve can be telescopingly received on the thread supply wound on the shuttle to protect the thread against soil and to prevent windings of thread from being cast off the end of the shuttle during handling in the production of tatting.

Abstract: An antenna mounted within a missile launch tube which acts as a communican link between the launcher and the missile. The launch tube is made of fiberglass with a metallic conductor embedded therein to provide radio frequency radiation. The antenna is in the form of a helical conductor and provides radiation in the tube's axial direction.

Abstract: A handling and loading system for relatively large caliber ammunition used by automatic weapons such as 20 mm to 40 mm rapid fire guns carried by military aircraft. The system includes an apparatus for automatically removing live rounds of ammunition from a belt of indeterminate length having a plurality of individual containers and loading such ammunition into the armament system of the aircraft while simultaneously removing expended shell casings from the aircraft and inserting the same into the containers which can then be returned for reloading.

Abstract: A belt apparatus having a multiplicity of tubular sleeves connected together in spaced parallel relationship, which serve as containers for slender elongated articles such as ammunition and the like. The sleeves are connected together by a plurality of flexible webs in a manner to maintain a constant pitch or distance between longitudinal axes of the sleeves while moving in a straight line as well as moving in an arcuate path.

Abstract: A mandrel for receiving the tool of a tool machine which has cones on both ends thereof for centering the mandrel in a tool machine spindle. Securing structure is provided for securing the mandrel to the tool machine spindle so that rotational drive is provided therefor. A stop is provided on one end of the mandrel intermediate the two cones and a cylinder-like device is provided at the end remote therefrom but also spaced inwardly from the cones. A piston is reciprocably mounted in the cylinder and engages a tool mounted on the mandrel. An application of pressure to the cylinder will cause an axial movement of the piston to engage the tool to effect a clamping of the tool between the stop and the aforementioned piston.

Abstract: Winding slots in generator rotors which are cut out of the solid rotor block by means of a side mill cutter are finish machined by means of a tool having a plurality of cutting edges disposed linearly one behind the other and displaced with respect to each other by one depth of cut which is guided repetitively, linearly over the slot wall with the depth the tool extends into the slot as well as the depth the tool penetrates vertically into the slot walls being controlled by copying means.

Abstract: Primary switches in bus cab, for instance, activate contacts in secondary switch group in rear transmission compartment to energize solenoids selectively pressurizing opposed cylinders to drive transmission shift operation to various positions.

Abstract: Two fluid passages are connected through flow restrictors to a fluid supply. Downstream of the restrictors the fluid supply has a drooping pressure-load characteristic. Venting means for the fluid passages comprises vent openings therein downstream of the restrictors and variable position obstructor means cooperating with vent openings to vary the venting and thereby vary fluid pressures in the fluid passages.Fluid conduits connect these pressure outputs to a piston moving in a cylinder whose opposite ends are connected to the fluid conduits. The piston and cylinder form the responder of the system. A feed back means controlled by the position of the responder piston and/or the load varies pressure in the fluid conduits by variably venting same.The feedback means includes variable cross-section surface pasages, e.g. sloping grooves, in the responder piston or fluidic load piston or both. Alternatively or additionally a separate feedback piston may be connected to the receiver or load piston.

Abstract: This invention provides a piston pump in which a cylinder block is provided with a plurality of cylindrical apertures arranged radially with a tilt angle and a plurality of pistons are slidably inserted into each cylindrical aperture of the cylinder block and are held between the cylinder block and a cylindrical holder which is in contact with the outer end face of each piston. The cylinder block is rotatably fitted on the conical periphery of a slidable truncated conical pintle which is held eccentrically from the center of a driven shaft for rotating the cylinder block and the cylindrical holder together therewith. Thus, each piston can be reciprocated for pumping action by rotating the cylinder block together with the cylindrical holder around the conical periphery of the pintle so that each piston can suction up fluid through an arcuate groove formed on the conical periphery of the pintle and communicates with an inlet passage.

Abstract: An elongated cylinder housing has a piston therein molded from a resinous plastic material. The piston has an angularly extending slot receiving a metal clutch roller operated by a clutch control bar slidable relative to the piston. The clutch control bar is secured to a secondary piston member, and springs are disposed between the piston and the secondary piston member for normally causing the control bar to pull the clutch roller into an engaged position. The clutch roller is disposed in such engaged position to prevent travel of the piston in one direction except when actuating fluid in the cylinder operates on the secondary piston member against the force of the springs to cause the clutch roller to move the clutch control bar into a released position. The bottom of the slot that receives the clutch roller is covered by metal plates to permit free rolling engagement of the clutch roller thereon and at the same time to prevent indentation of the clutch roller into the plastic.

Abstract: A triple action welding gun for welding airport runway concrete reinforcing mesh or the like comprising an outer cylinder, an inner cylinder, a shaft and radially extending piston means operable between the inner and outer cylinders for providing a plurality of separate pressure chambers between the inner and outer cylinders, and means for passing into and exhausting from the pressure chambers a pressure medium to produce relative axial movement between the inner and outer cylinders wherein extension of the welding gun is accomplished at a particularly high pressure for cylinders of predetermined diameter to facilitate welding of large diameter reinforcing rods.

Abstract: A pair of cylinder arbors have a plurality of arcuate cylinder segments extending circumferentially around a portion of the arbor. The segments are adjustable relative to the arbors in a circumferential direction. Each of the segments has a respective cutting and/or scoring die plate secured thereto. The die plates are relatively thin plates having lands formed thereon which cooperate with lands formed on the die plates on the other arbor to cut material moving through a nip defined by the segments. The material is cut by the lands into carton blanks for example, and broke. The broke is suitably separated from the carton blanks. The segments on one of the cylinder arbors carries a movable broke removing mechanism which includes pins which engage the broke. The pins extend through openings in the segments and die plates thereon and are actuated by an axially movable cam bar which is situated from a suitable cam.

Abstract: A box metering system for use with a box filling and weighing system in which a box forming machine discharges two-piece partially ensleeved box parts in partial assembled relation to a conveyor leading to the box filling and weighing stations. The box metering system includes a reciprocally movable box stop member which in one position stops a box and causes actuation of a box completion assembly device to complete the assembly of the box before advancement to a filling and weighing station. The completely assembled box is released by movement of the box stop member to a retracted position in response to movement of leading boxes toward the filling and weighing stations.

Abstract: Apparatus for generating a clean air zone, for example around a patient undergoing surgery or for a pharmaceutical or electronic clean room, has air supply means and air delivery means, inlets to the air supply means being distributed about the periphery of the apparatus so that clean air issuing from the delivery means travels first away from the delivery means, next outwardly from the center of the zone and finally inwardly to the inlets, thus sweeping an area larger than the size of the apparatus, and obviating the need for the apparatus to clean large quantities of ambient air.

Abstract: A coffee maker that provides both a visual and audible indication of the progress of coffee making. The coffee pot spout has a whistle disposed on its end, the whistle may be removable and/or the coffee may be poured directly through passageways in the whistle. A knob of non-conductive material is provided on the end of the whistle to facilitate removal. The centrally extending basket supporting tube in the coffee pot extends upwardly into a transparent material dome on the coffee lid. A screen is provided at the bottom of the tube, and a screen is disposed in the lid, securely mounting the tube in position. The basket is mounted on the tube so that it is normally immersed in water in the pot during normal operation.

Abstract: A coffee maker comprising a main or external tank for containing water and steam under pressure, a secondary or internal tank in the main tank for containing water under pressure to be used in making espresso, and a heating element in the main tank adjacent to the secondary tank for heating the water in the main tank and maintaining the water in the secondary tank at a substantially constant temperature. An aromatic coffee water supply is also maintained in a separate tank to feed a shower arrangement for making aromatic coffee. Alternatively, the shower can be fed directly from the main or external tank of the espresso-making arrangement. Once heated to a constant temperature, the water in the secondary or interior tank can be supplied to a group unit through a valve arrangement for injection through a quantity of ground espresso coffee to form the espresso coffee drink.

Abstract: A device for heating and mixing foods, such as a cooking mixer, includes a bowl in which a mixing blade is mounted for orbiting to commingle the food which constitutes the contents of the bowl in operation. A heater is also provided, which heats the contents of the bowl, and the orbiting blade improves the penetration of the heat energy throughout the contents by stirring the same. The device futher includes a separate subdividing accessory in the form of a cup-shaped insert which is permeable to the liquid component of the contents but impermeable to coarse solid components thereof so that when it is desired to comminute such coarse components by the action of the mixing blade, the device is operated without the insert, while the optionally inserted cup-shaped insert is said to contain such coarse solid particles and to prevent them from reaching and being comminuted by the orbiting mixing blade.

Abstract: An oscillatory food warmer simultaneously warms and mixes food while it remains within a sealed can. The warmer includes a housing having an inner wall which defines a chamber for storing water. A heating element is mounted in the housing whereby the temperature of the water may be controlled. A cover supported on the housing closes the top of the chamber. Supports on the cover hold a conventional sealed food container in the water. The sealed can is submerged in the water and supported between two rotatable discs, each frictionally engaging one end of the can. An electric motor rotates a crank shaft, and means are provided to translate rotational motion of the shaft to oscillatory motion in the discs. Quick release structure is provided to facilitate removal of the can from between the discs. A food warming method includes supporting the can substantially submerged in water, heating the water to a preselected temperature, and rotationally oscillating the can.

Abstract: In the formation of cheese in which the separation of the curd and the serum and the molding of the curd are carried out under the action of gravity in a perforated upright tube, the gravitational action is combined with evacuation of the space surrounding the perforated tube to aspirate the serum and increase the relative density of the curd with respect to the serum, thereby speeding up the separation and improving the molding process.

Abstract: An improved apparatus for separating an egg white from an egg yolk is disclosed for use in an automatic egg breaking and separating operation. The improved separator is used in a method where an egg is cracked and opened and drained into a separator cup. The yolk is supported in an imperforate cup over a substantial portion of its under surface and the surrounding egg white is drained from the yolk into a separate pan through an elongated generally spiral or curving opening in a support member extending upwardly from the yolk support cup. The white collecting pan is positioned to receive the egg white below the yolk cup.

Abstract: An improved egg breaking machine is described of the type in which a plurality of cooperating egg cracking heads and separators carried by a drive means, such as a roller chain, automatically crack and drain eggs and separate the liquid egg yolk and white. The drive chain carries the cracking head and separator combinations through egg loading, cracking, draining, and yolk and white separating positions. An improved cracker head is disclosed which operates in three automatically controlled positions including a fully closed, partially opened, and a fully opened position whereby the initial and subsequent shell drainage are facilitated. Additionally, an improved cracking head and separator mounting and spacing control means is disclosed for improving the drainage from the egg to the separator.

Abstract: An improved cutting head for a mechanical vegetable and fruit peeling machine, and a machine incorporating the cutting head. The cutting head has an elongated body with means on the body for pivotably connecting it to means on the peeling machine which move the head. The pivot connecting means are located intermediate the ends of the body. A cutting member is mounted on one side of the body with respect to the pivot connection. A portion of the cutting member is spaced outwardly from the side of the body. Preferably, the cutting edge of the cutting portion is aligned with the axis of the pivot connection in a plane which is generally perpendicular to the length of the body. Guide means positioned on the other side of the body forwardly of the cutting member guides the cutting edge at a desired depth when peeling a vegetable.

Abstract: A mechanical press having twin working stations comprising a bed, a pair of bolsters mounted on both sides of said bed, four uprights extending upwardly from said bed, a frame structure mounted on said uprights, said frame structure having a pair of guide portions defined at both ends thereof, and a pair of slides slidably mounted in the respective guide portion of said frame structure, each of said slide structures being adapted to face with each of said bolsters.

Abstract: A rotary screen process printing press has a plurality of printing stations, each having a pair of first and second transverse bars and a cylindrical stencil which is movably and adjustably supported between each pair of bars. The drive shafts for rotating the stencils are mounted in the first bars. The ends of each stencil are provided with bearing plates or head bearings. One end of each bearing plate is coupled to a first bar so as to pivot about the longitudinal axis of its drive shaft. The other end of each bearing plate has a mechanism to lift or lower the bearing plate to cause it to pivot about its shaft axis so that a stencil may be moved relative to the material being printed without moving its drive shaft. The lifting mechanisms and the pivotable coupling are adjustably attached to the bars to permit the position of the stencil to be varied.

Abstract: System for applying decorative imprints to the surfaces of plastic workpieces by means of a heated silk-screen technique wherein the screen is initially coated with a silicone release agent which prevents sticking of the heated screen to the plastic workpiece and facilitates its easy removal from the workpiece while at the same time insuring good deposition of the printed material.