Abstract: An egg packing apparatus includes an endless conveyor including a plurality of rotatable parallel rollers each provided with a plurality of abutments in the form of annular flanges. The flanges of any one roller are aligned with flanges on other rollers to form a plurality of transport channels or feed paths extending to respective guide chutes. The guide chutes are each defined by a pair of opposing side walls, a pivotably mounted plate member and an additional wall opposite the plate member 36, the additional wall being provided with a V-shaped portion extending inwardly towards the plate member so that the guide chute has a decreased width in a central region. Upon the deposition of an egg on the plate member with the narrow end of the egg is contact with one of the side walls of the guide chute, the plate member is pivoted and the large end of the egg is temporarily held between the additional wall and the plate member, allowing the narrow end of the egg to swing downwardly.

Abstract: A system for controlling production in an oil well comprises a first level sensor mounted upon the outer surface of the tubing near the lower end of the tubing and a second level sensor mounted upon the outer surface of the tubing above the first level sensor. The first level sensor is tuned to a first electrical signal frequency. The second level sensor is tuned to a second electrical signal frequency. A control device at spaced intervals transmits electrical signals of the first and second frequencies down the oil well and senses the liquid level by detecting impedance.

Abstract: A golf putting device having an inclined ramp and an abutting normally plane surface having a hole for receiving a golf ball stroked toward the hole and traversing the ramp and plane surface. Lifting rods are disposed for cooperating with the normally plane surface for distorting the normally plane surface. In a typical example, the mat covering the plane surface is slightly elevated at one location by one of the lifting rods disposed underneath the mat. A control handle and slide rod are coupled to the lifting rods to control the amount of elevation as well as the location in the horizontal plane.

Abstract: A system for performing operations on the edge of an irregularly shaped workpiece, such as seaming the edge of a piece of glass (G) is accomplished by moving the glass (G) along a conveyor (11, 12). The edge of the glass (G) is detected by a camera (13) which makes images of the glass (G). Electronic circuitry (20) receives the image information from camera (13) and determines the location of the edge of glass (G) at a plurality of locations and stores information which is indicative of the entire profile of the glass (G). Additional circuitry (32) receives signals proportional to the location of the seaming heads (16, 18) and compares these signals with the data stored in circuitry (20). When the glass (G) has moved downstream to the position to be seamed, the seaming heads (16, 18) are then moved to the position of the detected profile of glass (G) to perform the seaming operation.

Abstract: A mechanical interlock is provided for a vacuum contactor assembly to insure that the second contactor cannot close after the first contactor closes. The interlock includes a support bracket, a cover plate and an interlock block which was first and second openings and is positioned between the support bracket and the cover plate. First and second ball bearings are positioned in the openings. The cover plate and interlock block are connected to the support bracket. First and second slide members each have an operating arm and a blocking arm with appropriate openings for cooperating with the ball bearings and interlock block openings. The operating arm of one slide is paired with the blocking arm of the other slide so when one operating arm moves the ball bearing it blocks the other slide from moving thereby preventing one of the vacuum contactors from operating.

Abstract: An extruded three-phase base pan for a load center has a central rail with a cross-sectional configuration in the form of a modified cross. The upper surface of each arm of the cross curves upward and away from the body of the cross. The bottom surface and top surface of each arm are joined by a U-shaped surface. The bottom of the base pan has ribs with integrally formed grooves.

Abstract: An interface modem for use in a broadband local area data network with collision avoidance protocol. The data link controller features hardware acknowledge circuitry that acknowledges the receipt of a perfect data packet immediately upon receipt thereof without request to or assistance by the client data processing unit. The DLC prepares the acknowledgement packet from the incoming data packet and places it on the data link without going through a line acquisition protocol. Each received acknowledgment packet is placed in a transmit buffer at a known location relative to the data packet which was just transmitted, for which it is an acknowledgment so that each acknowledgment packet may be located in less time by the client data processing unit. The acknowledgment packets are logically part of the transmit process and are therefore placed in the transmit buffer.

Abstract: A method and apparatus for detecting the presence of magnetic ink within a package without opening the package or altering its contents. The method and apparatus detects items marked with magnetic ink, such as bank checks, in an unopened package independently of the item's location within the package and despite the presence of such magnetic clutter as staples and paper clips. The apparatus and method is designed to eliminate magnetic noise from the equipment itself and from the environment.

Abstract: A system for monitoring paper consumption in association with a web printing press having the capability of monitoring paper delivered to the press from multiple rolls. An input waste scale having a waste bin thereon provides for the continuous registration of waste in sequence from the multiple rolls. Separate control circuits are provided, each responsive to the scale signal for sensing increments in scale weight for each respective roll to provide a total of waste weight per roll. Control is provided including means operator initiated for enabling only one of the control circuits for sensing so as to accumulate waste weight only associated with a selected roll.

Abstract: A soldering system is described in which a fluid stream is directed onto a solder board substantially immediately following the deposition of molten solder onto the boards. The apparatus includes a pair of concentric slotted tubular shells wherein one shell rapidly rotates relative to about the other to create a plurality of different angles of impingement of the air on each area of the bottom surface of the circuit board.

Abstract: A circuit breaker has a bimetallic element and an electromagnetic element. The bimetallic element has one end connected to the line terminal and the other end connected to the pigtail connector. A shunt is connected at one end to the pigtail connector and has a contact on the other end matable with the line terminal contact. The shunt is connected at one end to the pigtail connector immobilizing the pigtail so that it does not interfere with the operation of the bimetallic element. The electromagnet is positioned about the bimetallic element and has an armature which is movable to trip the circuit breaker. The shunt element has a spring connected which biases the armature away from the electromagnet.

Abstract: A line terminal assembly is provided for a circuit breaker. The line terminal assembly includes a line terminal which has an interior arm and first and second exterior arms with a bimetallic element connected to the interior arm. A screw passes through a bracket and threadably engages the interior arm. Torquing the screw causes the interior arm and bimetallic element to move relative to the exterior arms thereby varying the tripping current of the breaker.

Abstract: A stator core for an electrical machine has laminations with a wave-shaped surface. The waves in the stator laminations in the cold core causes the tangential heat expansion of the core to be distributed over a number of the waves which increases each wave height only slightly. This prevents the system from reaching a stability limit or permanent deformation.

Abstract: An assembly machine, carrousel in design, so as to provide a succession of work stations with each station serviced by an independent pallet. Each pallet, by synchronization, is clamped in a work station, released, and transferred linearly into a succeeding station where it is once again clamped into position by a cam operated pallet transferring and locking mechanism.

Abstract: A soldering system is described in which a fluid stream is directed onto a solder board substantially immediately following the deposition of molten solder onto the boards. The impinging fluid stream is rapidly oscillated to create a plurality of different angles of impingement of the air on each area of the bottom surface of the circuit board.

Abstract: An error compensated, coordinate measuring machine includes a ram, a supporting structure for the ram and a base on which an object or part to be inspected is secured. The ram is mounted to the structure and movable with respect thereto. An object sensing probe is mounted to the ram. The probe is responsive to contact with the part or object being tested. Sensors are mounted to the ram and the base. The sensor on the ram detects the angular deviation of the ram from a reference plane, and the sensor on the base detects the angular deviation of the base from the same reference plane. A calculator unit determines the difference between the angular deviations of the ram and the base from the reference plane. The machine further includes transducers which measure the position of the ram with respect to the supporting structure, and the position of the supporting structure with respect to the base. The transducers provide ram positional data.

Abstract: A system for performing operations on the edge of an irregularly shaped workpiece, such as seaming the edge of a piece of glass (G) is accomplished by moving the glass (G) along a conveyor (11, 12). The edge of the glass (G) is detected by a camera (13) which makes images of the glass (G). Electronic circuitry (20) receives the image information from camera (13) and determines the location of the edge of glass (G) at a plurality of locations and stores information which is indicative of the entire profile of the glass (G). Additional circuitry (32) receives signals proportional to the location of the seaming heads (16, 18) and compares these signals with the data stored in circuitry (20). When the glass (G) has moved downstream to the position to be seamed, the seaming heads (16, 18) are then moved to the position of the detected profile of glass (G) to perform the seaming operation.

Abstract: A brushless exciter is provided for controlling excitation of a synchronous motor. The brushless exciter uses a center tapped rotating transformer, a discharge resistor, a field winding which has one end coupled to the ends of the rotating transformer and the other end connected to the discharge resistor and center tap of the rotating transformer. Four power SCR's are used in the brushless exciter. The electronics for controllably firing the SCR's and applying and removing the field are arranged in modules. A field current regulator module is located externally of the rotating apparatus for external control and contains circuitry for field forcing. The circuitry controls the application of field current and the level of excitation. The circuitry monitors the presence, frequency and phase angle of the discharge current and determines the time for field application and removal.