Abstract: The present invention is a device for diverting air flow passing through the bed (18) of a pickup truck (10) up and over the tailgate (24) of that vehicle in order to reduce the resultant drag. The device includes a diversion element (30) which redirects the air flow upwardly and rearwardly within the bed (18) and over the tailgate (24). The diversion element (30) is detachably secured to the vehicle in a manner so that no damage is done to the body of the vehicle. One or a plurality of clamping members (52) can be employed for this purpose.

Abstract: The present invention is a device for bringing integrated circuit devices (22), to be tested at a test site, to a temperature to which the devices (22) will be subjected during operating conditions of equipments in which they will ultimately be installed. The device includes a rack (30) comprising a plurality of rails (32) overlying corresponding tracks (24) down which the integrated circuits (22) move through a magazine (20). The rails (32) are adjustable toward and away from their corresponding tracks (24), and both are heated in order to impart thermal energy to integrated circuit devices (22) passing down the tracks (24). Each track (24) has, proximate a lower end thereof, a singulation assembly (56) which not only isolates a single device (22) to be passed to a test site, but also functions to press the lowermost device (22) in a string passing down the respective track (24) into close engagement with the track (24) in order to effect maximum heat transfer.

Abstract: A transmission line connector for a contact set assembly for making contacts to contact elements of electrical devices, such as IC devices including DIPs and LCCs, affords a controlled impedance path between the contact elements of a device to be contacted and remote terminal ends of the respective transmission line conductors. The connector may be flexible or rigid. An actuating mechanism engages the connector adjacent the opposite end edges thereof for urging probe elements attached to the respective end terminals of the respective plurality of conductive lines into engagement with corresponding contact elements of the device to be contacted. A flexible transmission line connector permits rapid and continuous actuation of the actuating device between a normal disengaged position and an engaged position for making contact. The controlled impedance transmission line conductor is adaptable for providing contact to a wide range of device as to size and configuration, and as to number and location of contacts.

Abstract: The present invention relates to a foldable stepladder constituted by:a first pair of two main uprights,a plurality of steps,a device for maintaining said steps in their unfolded configuration,a second pair of two auxiliary uprights,wherein the auxiliary uprights are articulated at one of their ends on the upper part of the main uprights and they are articulated on each other about a pin in their median part to present, in unfolded position of use, the form of a cross, said auxiliary uprights being connected from said mutual pivot point to the central upright by a connecting rod. The invention is more particularly applicable to the manufacture of foldable stepladders.

Abstract: Apparatus for determining the alignment of leads extending from a body of an integrated circuit package, including an optical system for producing data having information of the spacing between the leads and a data processor for determining the spacing between the leads in response to the data. A package handler sorts the package under control by the data processor.

Abstract: An improved delay lock loop which has first and second means (32, 34) for generating a voltage ramp, the first ramp generator (32) providing a train of ramped inputs to first time delay means (38) responsive to a first input pulse train and the second ramp generator (34) providing a train of ramped inputs to a second time delay means (40) responsive to a second input pulse train. The ramp generators (32, 34) provide a highly linear voltage ramp. First and second retrace means (36A, 36B) are connected to the first and second ramp generators (32, 34) respectively and act to limit the ramps to a certain voltage, commanding the ramp generators (32, 34) to return to a reference voltage to await the succeeding input pulse edge transition. A further improvement comprises range switch means (44) that function to selectively control the maximum range of time delay which the delay lock loop is able to sense.

Abstract: An improved drilling rig is the subject of this application. The rig includes a drilling tower (10) having a ram (16) for applying down pressure to a length of drill rod (12). A lever member (42) is suspended from the ram (16) and permitted to float toward and away from the ram (16) by being mounted for movement along tracks provided by a plurality of eyes (50) elongated in directions toward and away from the ram (16). Suspension bolts (52) extending through the eyes (50) at one end (72) of the lever member (42) are allowed to ride upwardly to the upper extremity of the eyes (50) to form a point about which the lever member (42) pivots. A percussion assembly (26) includes a piston (34) which percussively engages the lever (42) at its opposite end (70). The percussion assembly (26) is laterally off-set from the axis of the drill rod (12). The percussive force imparted to the lever member (42) is translated to the upper end (30) of casing (28) encircling the drill rod (12).

Abstract: An improved test system for performing DC and AC parametric and dynamic functional testing of multi-terminal integrated circuits is described. All of the circuitry for producing and responding to D.C. and high-integrity stimulus and response test signals is located within a Test Head module sized for use in close proximity of the device under test. A high-integrity bus in the Test Head interconnects the high-integrity producing and handling circuits, with inexpensive connectors and batch-fabricated printed circuit board techniques. A Controller provides digital test commands for energizing the test signal producing cirucits within the Test Head and for evaluating the test results. The control and measurement signals passing between the Controller and the Test Module require no special conductor implementation techniques.

Abstract: A handler (10) for feeding integrated circuit chip carriers (42) into a test site (14) of the handler (10) is the subject matter of this patent application. Inventive features include apparatus whereby carriers (42) are pushed laterally from a bottom end (62) of a magazine track (26) into a conveyor station (58). A pusher bar (64) can include a ramp surface (128) to raise carriers (42) above the particular carrier (42) being moved into the conveyor station (58). Further, the inventive features include structure for remotely sensing the presence of a carrier (42) at the bottom end (62) of a track (26). A rotary shuttle (148) can be incorporated for transporting carriers (42), after they have been tested, to the output section (158) of the handler (10).

Abstract: An air bearing and heating system for use in moving and heating integrated circuit chip carriers (12) prior to their being tested by an electronic tester (10) is the subject of this patent application. The system includes a magazine (18) having a plurality of tracks (24) spaced vertically therein. Each track (24) includes an air-permeable wall (62, 62') through which air in a plenum (52) beneath the wall (62, 62') seeps. The air forms a cushion on the surfaces (64) of the sloped tracks (24) in order to float chip carriers (12), positioned for movement down the tracks (24) therealong.The air can be heated by a heater (104) prior to the time it is introduced to form the air cushion so that the chip carriers (12) will be heated as they are floated down the tracks (24).Similarly, the system can be provided with a distribution member (28) by which carriers (12) are conveyed away from the test site (14) of the handler.

Abstract: A universal insulation (10) is the subject of this patent application. The insulation (10) is bifurcated into two portions (16,18) for application to a fitting in a fluid flow or distribution system. Cut-outs (26) are provided in edges (20, 22) of the portions (16, 18) which, when apertures are formed therein, accommodate portions of a fluid fitting therein. Portions (16, 18) of the insulation (10) can have additional cut-outs (28) formed wholly within one of the portions (16, 18). These cut-outs (28) can accommodte portions of a fitting extending generally transverse to a plane defined by other portions of the fitting. Novel means can be employed for maintaining the portions (16, 18) in a mated configuration.

Abstract: Distilling equipment comprising input apparatus (21) including a boiling chamber (83) and means (80-82, 104-107, 110, 111) for supplying raw liquid to the boiling chamber at a predetermined level, a closed condensation chamber (22) above the predetermined level and connected to the top of the boiling chamber (96) to receive therefrom only vapor from the raw liquid, and output apparatus (20) including a liquid collection container (25) below the condensation chamber and liquid circulating structure (29-34, 44-55) for withdrawing liquid from the container, cooling the liquid, discharging it within the condensation chamber, and returning it to the container.