Abstract: A transportation safety apparatus for a vehicle combination, the vehicle combination including a leading vehicle that pulls a trailing vehicle, the apparatus comprising: a plurality of force sensors for measuring pressure on opposite sides of the trailing vehicle; a wheel direction sensor for measuring aim angle at which tires on the leading vehicle aim said leading vehicle; at least one of: a) a plurality of position sensors for measuring angle difference between the leading vehicle and the trailing vehicle; and b) an angle sensor for measuring centerline angle between a leading centerline of the leading vehicle and a trailing centerline of the trailing vehicle; and a processing unit for signaling jack knife risk based on force measured by one of the force sensors, the wheel direction sensor, and at least one of the angle difference and the centerline angle.

Abstract: The present invention relates to an electrostatic clamp and comprises a dielectric layer overlying an electrode and a doped region in the dielectric layer. The doped region of the dielectric layer is electrically conductive, and when the doped region is coupled to a circuit ground potential, the doped region of the dielectric layer is operable to bleed off charge which accumulates on a workpiece residing thereon during processing. The present invention further comprises a method of forming an electrostatic clamp which comprises the steps of forming an electrically insulating layer over an electrode and doping a portion of the electrically insulating layer, wherein the doped portion of the electrically insulating layer becomes electrically conductive.

Abstract: The present invention relates to an electrostatic clamp and comprises a dielectric layer overlying an electrode and a doped region in the dielectric layer. The doped region of the dielectric layer is electrically conductive, and when the doped region is coupled to a circuit ground potential, the doped region of the dielectric layer is operable to bleed off charge which accumulates on a workpiece residing thereon during processing. The present invention further comprises a method of forming an electrostatic clamp which comprises the steps of forming an electrically insulating layer over an electrode and doping a portion of the electrically insulating layer, wherein the doped portion of the electrically insulating layer becomes electrically conductive.

Abstract: An egg supporting tray is provided which has a plurality of egg pockets. Each egg pocket is formed by four posts which are interconnected by ribs. Each surface of the four posts, which forms a part of an egg pocket, has a concave surface on the upper portion thereof and a ridge on the lower portion thereof. The ridge provides substantially four point contact for a small egg which improves washing and drying and reduces water spotting. The concave surface enables the egg supporting tray to accommodate large eggs.

Abstract: A gangable wireway assembly including a plurality of generally U-shaped troughs and trough covers utilized as either tandem sections or as fittings which connect the tandem sections in an elbow, tee or cross configuration. Trough covers have upstanding lips at opposite ends and drip hood flanges running along longitudinal margins which overlap flanges on the U-shaped trough. The tandem section covers include a reverse bend on one drip hood flange to interlock one margin of the cover with the trough. Adjacent trough ends are nestingly received by a connector and adjacent trough covers are overlapped by a connector cover at the juncture of adjacent cover sections. The connector cover includes a recess receiving the lips of adjacent covers and includes flanges in overlapping relationship with the drip hood flanges. One flange on the connector cover also includes a reverse bend to interlock with the associated drip hood flanges.

Abstract: A multi-position container adapted to nest within a like-oriented lower container of like construction, and also adapted to stack on a said lower container in a "high-stack" position without rotating the upper container with respect to the lower container. In a preferred embodiment a said upper container can also be stacked within a said lower container at an "intermediate-stack" position without rotating the upper container with respect to the lower container. Thus, in the preferred embodiments, a three-position container is provided. In yet another embodiment an upper container can be stacked on a lower container in a high-stack position and in an intermediate-stack position, which also becomes the nest position in this embodiment.

Abstract: 1.

Abstract: A fire resistant fitting including a pair of plates having a fire rated expandable material therebetween and a pair of conduits extending from each plate with one conduit of each pair in alignment with a respective conduit of the other pair and a respective passage in the expandable material to extend separate power and communication connections through a floor. Threaded members extend from one plate through the other plate for squeezing the expandable material against the sides of the floor opening in which the fitting is located and stops on the threaded members prevent the application of excessive force to the material.

Abstract: A fire resistant fitting for use in sealing a floor hole and including a pair of plates having an expandable material therebetween for securing the fitting in the hole and a fire resistant material suspended in the opening from the lower plate by a simple twistable metal tang.

Abstract: A transceiver is controlled in operation by a programmable read only memory (PROM). The memory is accessed directly via a series of switches and when accessed, provides output data necessary to control the operation of the transceiver by controlling the frequency, the output power level and the mode of operation, as well as providing data to prevent transmission of unauthorized frequencies. The memory permits rapid and reliable programming of the apparatus enabling an untrained operator to use the equipment with reduced risk of unauthorized operation.

Abstract: A nestable and stackable container for eggs packaged in cartons. The configuration of the container permits stacking when filled or nesting when empty and is provided with means for receiving and positioning packaging strapping material about the exterior of the container to facilitate assembly of multiple containers for palletizing and shipping.