Abstract: A disclosure relates to an apparatus for extruding and forming blanks from a rubber or polymeric material comprising a pair of hydraulic ram operated extruders having outlets connected to a common delivery conduit. A screw extruder is also connected to the conduit and a control valve controls flow between the respective extruders and conduit such that in one position of the valve one of the ram operated extruders is connected to the conduit outlet delivery of extrudate and the other extruder is connected to the screw extruder to receive a fresh charge of extrudate. A closed hydraulic circuit links the hydraulic rams of the two ram extruders whereby filling of one of the extruders causes that ram to retract and pump the hydraulic fluid therefrom to the other extruder to cause that ram to extend and thereby discharge the extrudate therein and vice versa.

Abstract: The pump comprises a casing in which is disposed a stator armature of an electric motor, a rotatable shaft to which is fixed a rotor winding and which is torsionally connected to an impeller rotor of the pump and a pair of covers which close the ends of the said casing and define between them a chamber within the casing for the fuel; a first end of the rotatable shaft is supported by a first seat formed within a cavity of a sleeve of a first cover projecting axially from the inner surface of the cover itself and the second end of this shaft is supported by a second seat formed in the second cover.

Abstract: A printer housing which can be adapted for both cut sheet printing paper and continuous printing paper without replacing any of its paper guide members with any external paper guide members. The printer housing comprises a first cover which is pivotably supported at its front end and a second cover which is povoted to the first cover at its middle part and can cover an opening in the upper face of the printer housing main body by complementing the first cover. When the second cover is thus covering the upper opening of the printer housing main body in cooperation with the first cover, the printer housing is adapted for continuous printing paper. When the second cover is brought to an oblique position, the second cover can serve as a guide for feeding cut sheet printing paper into the printer. The printer is preferably provided with a tractor feeder which can be thrown backward to be out of way for cut sheet printing paper and to support the second cover at its oblique position.

Abstract: A paper feeder for a printer having a platen and a tractor feeder which is provided with a pin belt having pins projecting from upper and lower surface of the tractor feeder, and the tractor feeder can be selectively placed either one of a first position in which the paper feeding plane of the paper feeding pins of the lower surface of the tractor feeder aligns with a tangential direction of a lower part of the platen and a second position in which the paper feeding plane of the paper feeding pins of the upper surface is aligned with a tangential direction of an upper part of the platen. Preferably, the tractor feeder can be held at a third position which is intermediate between the first and the second position and a middle plane between the upper and the lower paper feeding plane align with a radial line of the platen.

Abstract: A tachometric generator comprises an input shaft which can be connected to a drive take-off from the vehicle, a main shaft connected to this input shaft by means of a ball joint resilient coupling torsionally coupled to an output shaft which can be connected to an external mechanical transmission. The speed of rotation of these shafts is detected by a magneto-electric sensor facing a magnetic disc fitted onto the output shaft.

Abstract: The unit is constituted by a manifold defining a fuel duct for fuel which is supplied to the injectors and by a pressure regulator operable to maintain the pressure of the fuel substantially constant within the manifold. The unit substantially comprises a chamber which is formed within and at one end of the said duct and which is separated from the remaining part of this duct by means of a separation element inserted into the duct itself and shaped in such a way as to define channels for the fuel between the chamber and the remaining part of the duct itself.

Abstract: A dot matrix print head in which the mass of the armature is reduced by providing a groove in the armature in the portion where the magnetic flux density is relatively low. The armature may be advantageously attached to a sheet spring by laser welding applied from the bottom surface of the groove without creating craters in the external face of the sheet spring. Reduction in the mass of the armature allows a substantial increase in the print speed of the print head. Use of laser welding reduces the manufacturing cost of the print head and the absence of any craters in the external face of the sheet spring is favorable for the performance of the magnetic circuit of the print head.

Abstract: An emergency belt assembly is provided for temporary replacement of broken fan belts and the like. The assembly comprises a tubular belt made of an elastomeric material, and a connector having a shank with a plurality of barbs on each end portion thereof. The maximum outer transverse dimensions of the barbs on each end portion of the connector decrease from the axially outermost barb to the axially innermost barb, thereby permitting the connector to be easily inserted manually into the tubular ends of the belt. In an alternate embodiment, the connector articulates at a point intermediate its end portions to permit the connector to easily accommodate small radii turns. In yet another embodiment of the present invention, the connector has a plurality of barbs on one end thereof for frictionally engaging the inner surface of a tubular end of a line or belt, and has on its opposite end portion an attachment member, such as an eye, for attaching to a support object, such as a pole, wall, or the like.

Abstract: A paper machine where the press section features exclusively double felt roll presses (13-16; 23-26) through which proceeds the paper web (10) to be dehydrated between two felt belts (15,16; 25, 26). The paper web (10) is constantly supported by a backing belt (34) at least in the first drying group of the drying section. The transition of the paper web (10) from one roll press to the next and from the press section to the drying occurs without an open draw. The first drying cylinder (31) is located outside the backing belt loop (34), with the paper web (10) proceeding across the upper cyliner area of this drying cylinder (31). The entrance point of a rope carrier (45,46) (serving to thread the paper web into the drying section) is located behind the leaving point of the paper web (10) from the first drying cylinder (31).

Abstract: An internal combustion engine is provided with a lubricating system and a full flow oil filtering circuit arranged in parallel with the main oil lubricating circuit of the engine. The lubricating system includes drive means an oil lubricating circuit for lubricating the drive means, an oil sump connected in flow communication with the lubricating system and an oil pump connected in flow communication with the sump and a lubricating system and operably driven by the drive means for pumping oil from the sump through the lubricating circuit and back to the sump. The parallel flow oil filtering circuit includes an oil filter disposed adjacent the oil sump and connected in flow communication therewith. An oil pump is disposed adjacent the sump and connected in flow communication with the sump and the oil filtering means. The oil pump is driven by engagement with the governor gear.

Abstract: A unitary alternator-compressor including a clutch assembly for the compressor. The clutch assembly continuously drives the alternator rotor and selectively drives the compressor crankshaft. A single bearing supports the alternator rotor. The clutch includes a drive pulley and a flange member which is rotatably secured to the rotor by means of a plurality of drive pins. The pins are retained in position by a locking nut which also engages with and clamps the outer race of the bearing. The inner race of the bearing is clamped by a second nut.

Abstract: In a rotary hermetic compressor an improved lubrication arrangement is provided for the sliding cylinder vanes. An oil pump in the lower portion of the crankshaft extends into the oil sump of the compressor. The oil pump comprises an axial aperture in the crankshaft which angles diagonally radially outwardly in the upward direction. Oil is pumped through this aperture into an annulus surrounding the crankshaft. A passageway in the outboard bearing conducts the oil radially outwardly from the annulus and then upwardly against gravity to a vertical oil channel which is open to both sides of the sliding vane and adjacent thereto. The positive pressure provided by the oil pump will ensure that the oil channel is filled with oil at all times. Excess oil exits at the upper end of the vane through a relief in the main bearing and then flows down around the cylinder by gravity and into the oil sump.

Abstract: A publicity board provided with a plurality of rotatable prismatic members ounted side-by-side, each being arranged to carry portions of publicity images on its faces, and further provided with a meter for rotating the prismatic members about their respective longitudinal axes. The motor is coupled to the prismatic members by means of an operating shaft driven by the motor and carrying a plurality of radial rods such that they rotate, to each cooperate with respective appendices extending radially from an end pivot of each prismatic member, for the purpose of transmitting to this latter a rotation through an angle which is double the angle formed at the center by each face of said prismatic member.

Abstract: In a rotary hermetic compressor, a suction tube seal is provided between the cylinder and the suction tube. The suction tube end extends through the housing of the hermetic compressor and is sealingly secured thereto such as by welding. The compressor cylinder, which is located in the housing has an aperture in the cylindrical wall thereof for receiving the end of the suction tube extending into the housing. The inside diameter of the aperture is greater than the outside diameter of the suction tube so that the suction tube is slidably axially received in the aperture. The suction tube is sealed to the cylinder by flexible sealing means which is interposed between the outside of the suction tube and the inside of the aperture. The sealing means is preferably an O ring constructed of oil resistant, flexible rubber material.

Abstract: This invention pertains to gauge apparatus for measuring liquid levels comprising an elongated electrical sensor adapted to be arranged in upright position while immersed so constructed as to have an electrical resistance which may be varied. A spherical float is magnetically attracted to the sensor for rolling movement with respect thereto for varying the resistance in response to variation in elevation of float caused by changes in the level of the liquid. The resistance is measured thereby to provide an indication of such level. The magnetic attraction holds the float and sensor in operative engagement at all times including those during which the float changes height in response to changes in the level of the liquid being measured. The presence of different liquid is also detected in a given vessel, such as gasoline and water, and an indication and alarm of vessel overfill during a filling operation is provided.

Abstract: An apparatus for cleaning containers which includes a tank for holding a cleaning fluid. A rack which includes clamps for clamping the containers to be cleaned is movable from a loading position in an upper portion of the tank by sliding engagement with a track to a cleaning position in a lower portion of the tank wherein the brushes are in cleaning engagement with the containers. The rack is pivotable whereby the containers may be loaded in an upright position in the rack and may thereafter be pivoted to a sliding position wherein the rack slides downwardly along the track to its cleaning position.

Abstract: A mounting system for mounting a face guard on a football helmet, wherein the face guard is able to pivot about a horizontal axis about the top portion of the helmet. The improved mounting arrangement includes a pair of straps in the form of loops which enclose wire segments of the face guard. The straps are mounted to be in tension when the face guard encounters a frontal force. The straps are comprised of a resilient polyurethane material and are dimensioned so that most of the shock force encountered by the face guard due to blows thereon is absorbed by the tension mounted straps. The straps include a tapered end portion and an enlarged neck portion to provide sufficient resiliency yet sufficient rigidity to protect the player and to prevent the face guard from being permanently distorted. The head portions of the straps are dimensioned so that the face guard, in case of an injury to the player, can be pivoted past the head portions about the horizontal axis without distortion of the face guard.

Abstract: A machine (1) (53) (75) for effecting the transfer of objects in the space between positions having predetermined co-ordinates, in which said objects are supported by a head (25) integral with a pinion (20) (60) mounted rotatable on a slide (12a) (59) sliding in a direction perpendicular to the axis of said pinion (20) (60); the pinion (20) (60) meshing by opposing means with teeth (21) (64, 65) (76, 77) extending along said slide (12a) (59) and axially moving under the bias of driving apparatus (41, 42) (68, 69).

Abstract: A rotary hermetic compressor including a compressor cylinder having a bore therein, and a sliding vane slidably disposed in a slot in the compressor wall. The vane extends into the bore of the cylinder for cooperating with a roller to divide the compression chamber into a suction chamber and a discharge chamber. A pressure groove is formed in the wall of the slot on the suction side of the vane. The pressure groove is supplied with oil by means of a passage directly connecting the groove with the oil sump whereby a bias force is applied to the vane to partially offset the unbalanced lateral force on the vane portion extending into the cylinder bore.

Abstract: A cam actuated ejector is provided with a shell press having a crankshaft for reciprocating a slide to which die tooling is mounted and having a forming station in which the die tooling forms a part to be ejected. The ejector includes a kicker bar slidably received within a recess in the press and which is in close proximity to and substantially coplanar with a part to be ejected. The kicker bar is positively reciprocated by a cam assembly that is synchronously engaged with the crankshaft, which operates the press slide, such that an end of the kicker bar cyclically moves at a first rate of movement from a first position outside the forming station to an intermediate position wherein the end contacts a part to be ejected.