Abstract: A single-drive input, double gripper media transport element positionable for accessing storage media cartridges in a cartridge media store and an optical disk drive and simultaneously transporting multiple storage media cartridges comprises a housing, at least two sliders mounted within the housing moving along respective parallel slider paths, a cartridge gripper mounted on each of the sliders, a slider lead screw mounted within the housing for positioning the sliders along their respective slider paths, a slider motor for rotating the slider lead screw, and a lead screw nut on the lead screw for simultaneously or alternately engaging the slider lead screw with each of the sliders.

Abstract: A device for checking the weights of individual capsules in a stream of capsules by passing the stream of capsules past a capacitance sensor which measures the capacitance of each capsule as representative of the capsule weight, and passing the stream of capsules past a velocity sensor which measures the velocity of each capsule as representative of the capsule weight. The measured capacitance and measured velocity values are each compared against preset ranges of values, and a capsule is mechanically deflected from the moving stream if the comparison shows either measured value to be outside the respective preset range of values.

Abstract: According to the invention there is provided a security device for removable attachment to the bottom edge portion of a door to securely lock the door in a desired position. The device has a J-shaped bracket which confronts both sides of the door and extends underneath the door. An over-center linkage connected to a plunger and controlled by a handle provides a downward clamping effect engaging the floor surface. The plunger has an adjustable foot to accommodate various spacings between the door and floor surface. A supplemental sleeve on the plunger and a support post extending outwardly from the J-shaped bracket provides improved strength to the device.

Abstract: This invention relates to an apparatus and method to modify molding machines for producing colored plastic parts using coloring liquid. The apparatus is inserted into and moved longitudinally along an injection molding machine barrel for forming a groove of varying shape and depth in the lower portion of the barrel.

Abstract: A convertible bicycle trailer and jogging stroller for two children comprises a frame with a rear axle end for supporting two large diameter wheels and a front fork end removably supporting alternatively a front wheel for use in the stroller mode and a trailer cycle hitch assembly attachable to the frame portion of a cycle for use in the trailer mode. The frame has a rigid plastic molded shell which is conformed into a side-by-side two child holder seat portion with side, rear and front portions for substantially enclosing two children and being fastened to the frame. The side portions are configured as side fenders for covering upper portion of the two large wheels. A removable handle is attachable to the rear portion of the sise fenders for use in the stroller mode. The trailer and stroller combination further includes a roll bar and a protective canopy to add further protection of the children.

Abstract: A composite, drum type container for storing and dispensing corrosive fluids comprises an inner plastic liner of polyethylene and an outer plastic shell. The end walls of the outer shell are substantially dome-shaped to add strength to the container, and the top end wall is further reinforced by an inclined offset wall, ribs, and inwardly protruding portions of the sidewall, to prevent deformation. A separate pressure plate adds to the strength of the dome-shaped bottom end wall. A recess or well in the bottom end wall and pressure plate allows complete removal of the contents of the container.

Abstract: An ergonomic arm support for supporting the forearm during typing, keying, or assembly operations. The arm support includes an armrest pivotally mounted on a slide or a shroud for sliding the armrest to and away from a base which is secured to a table or chair. The slide or shroud is pivotally mounted in the base such that the armrest, which is pivotal relative to the slide or shroud and slidable to and away from the base, is also rotatable about the base to provide for a wide range of fluid motion for the forearm. The armrest further includes a plurality of roller bearing arrangements for facilitation of the slide or shroud and arm support. The roller bearing arrangements engage the slide or shroud proximate to the housing to provide for the fluid movement of the slide or shroud. A shroud may also be provided for enclosure of the roller bearing slide arrangement to prevent inadvertent engagement between an individual and/or the individual's clothes and the slide.

Abstract: A cutting tool for severing the end of a copper tube or the like, the tool having a cylindrical post for insertion into the tube end, and a pivotal beam having a cutter wheel mounted at one end. A rotatable knob is mechanically linked to the pivotal beam to cause it to pivot toward and away from the cylindrical post. The entire tool may be rotated about the axis of the tube while the cutter wheel is in contact with the tube to cut a circumferential groove into the tube and thereby to sever the tube.

Abstract: A chain return support suitable for use in an en masse grain conveyor has a track with a pair of angle irons extending lengthwise in the interior of a trough and supported by horizontal cross members bridging two side walls of the trough. The angle irons have inwardly facing horizontal edge portions and vertical lower portions. A plastic slide is inserted between the angle irons and is engaged with the angular edge portions by way of grooves extending lengthwise on side surfaces of the plastic slide. Stops on the cross member contact the lower portions of the angle iron for proper positioning of the track. The plastic slide provides a low friction surface for supporting the chain return section.

Abstract: A reusable beverage container for hot or cold beverages is for use in vehicle beverage holders with receptacles sized for twelve ounce beverage cans. The container has a first lower portion of a diameter approximating or less than the diameters of standard twelve ounce beverage cans. A second upper portion is provided with a diameter larger than lower portion providing additional beverage capacity. A flange is formed between the upper and lower portions. One or more ribs substantially encircle the second upper portion. A handle is positioned sufficiently high on the upper portion so as not to interfere with the insertion of the lower base portion into the vehicle beverage holder.

Abstract: A method for measuring the permeability of a gas through a material, wherein the steps include exposing the material to the gas to be measured and measuring the outgassing characteristics of the material over increments of time to develop exponential expressions representative of the measured amounts and solving the exponential expressions for the diffusion coefficient D and the solubility coefficient S; and then calculating the permeability of the material by forming the product of the diffusion coefficient D and the solubility coefficient S.

Abstract: A plastic container for handling, storing and shipping semiconductor wafers comprising a wafer carrier supporting the wafers and maintaining the wafers in spaced relation to each other, a plurality of rows of resiliently flexible tabs of progressively increasing and decreasing widths formed on the partially cylindrical top and bottom surfaces of the wafer carrier, the top and bottom surfaces formed of stiff but resiliently flexibly yieldable material, supporting ribs on the bottom surface extending longitudinally of the bottom and parallel to the rows thereon, the width of the tabs being shorter at the ends of the rows and wider in the middle to engage and maintain the edges of the wafers spaced from the top and bottom surfaces while allowing for flexing and bowing of the top and bottom surfaces from the pressure of the covers and weight of the wafers.

Abstract: The present invention relates to a light-weight disposable/detachable face shield for the protection of the eyes and face of wearers from accidental exposure to infectious, hazardous and undesirable substances. It is of particular interest in the protection of health care workers and professionals and laboratory personnel from accidental exposure to body fluids from infected patients. The shield is attachable to an unmodified, standard surgical mask. The shield comprises a fluid-impervious, transparent panel for protecting the eyes and face of the wearer, and a clip, attached to the panel, which reversibly engages the mask, thereby securely and reversibly holding the face shield to the mask.

Abstract: A method of calibrating and measuring volume flow through a gear-type flowmeter, having a magnetic sensor affixed to the flowmeter to detect incremental movement of the flowmeter teeth. The sensor is connected to an analog-to-digital converter and computer processor, which receives and stores samples of the sensor signals. The samples are compared with subsequently received samples to derive relative gear positions and to calculate volume flow based on the relative gear positions. The samples may also be analyzed and compared with previous samples to detect flowmeter wear and wobble conditions.

Abstract: A performance enhancing and force absorbing dental appliance for the mouth of an athlete is comprised of an occlusal posterior pad for each side of the posterior teeth engageable with the occlusal surfaces to space apart the teeth, to absorb shock and clenching stress. An arch is provided connecting the posterior pads together within the mouth and out of the way of the tongue to maintain the position of the occlusal posterior pads within the mouth during use and to prevent loss of the pads such as by swallowing.

Abstract: A multilevel multiprocessor system comprising a number of processing units, each comprising a number of multiprocessor modules connected to a first direct-access line to form a first hierarchical level (region); the processing units comprising subsets of multiprocessor modules connected to respective second direct-access lines to form a second hierarchical level (family); and each multiprocessor module comprising a number of processing modules connected to a direct-access (group) line connected to the first and second lines.

Abstract: A modular return apparatus for reflecting back an object such as a puck or ball when struck by the puck or ball traveling on a playing surface, for use in returning the puck or ball to the player for another shot and in training the player to shoot the puck or ball accurately and anticipate the angle of reflection and velocity of the puck or ball comprises an elongated reflecting bumper, a pair of supports for the reflecting bumper, and a rod for connecting the supports to each other and preventing their relative motion. A net may be attached to the return apparatus to catch the puck.

Abstract: A hitchable and towable implement that is suitable for the attachment of various agricultural tooling and that is convertible between a laterally expanded use position and a laterally narrow transport position. The implement has a wheeled lower center section connectable to a towing tractor by an elongate tongue member. An upper center frame section rotates on the lower center section. Powered and hinged lift arms extend in opposite directions from the upper center section and attach to a pair of wing sections for raising and lowering the wing sections. The wing sections rotate with the lift arms and the upper center section about the lower center section. Rotation of the upper center section one quarter turn swings the wing sections between a lateral position with respect to the lower center frame section and the transport position in which the wing sections are fore and aft of the lower center section. In the use position, lift arms and wing sections are laterally positioned and lowered.