137results about How to "Inexpensive to assemble" patented technology

A probe card cooling assembly for use in a test system includes a package with one or more dies cooled by direct cooling. The cooled package includes one or more dies with active electronic components and at least one coolant port that allows a coolant to enter the high-density package and directly cool the active electronic components of the dies during a testing operation.

To make an inexpensive chromatographic column and perform chromatography with it, column walls and a column end with a port are molded integrally from plastic. A closure is integrally molded with a port as well. One type of closure includes part of a snap-on fastener integrally molded to it to cooperate with corresponding parts molded integrally with the column walls. In another type of closure for higher pressures, the closure is spin welded to the tubular walls. In still another type of closure for still higher pressures, a retaining plate is pressed into the column to hold the packing in place. The closures have channels molded into them radiating from a port and opening toward packing material such as silica beads or porous polymeric plugs. Filters and secondary seals may be located at the ends to prevent leakage of the packing material.

A molded composite panel for a vehicle and a method of constructing a panel assembly. The individual panels have laminated layers of abutting dissimilar materials including a core of material and outer layers of fibrous material molded on opposite sides of the core. The outer layers are molded at least in part about a plurality of connection features such that the connection features are carried by at least one of the outer layers or the core. The connection features of one panel are accessible for operable attachment to connection features of an adjacent panel to form a panel assembly.

A telecommunications call routing and billing computer system includes a telecommunications network including a junction point including a call routing switching device, and including two call routing links meeting at the junction point and in communication with each other through the call routing switching device; and a call routing simulation network including a junction point simulation computer located at the junction point and in communication with the call routing switching device and the two call routing links. A method of placing a call through such a telecommunications network includes the steps of: placing one junction point simulation computer at each telecommunications network call junction point; for each call placed with the telecommunications network, plotting a call routing vector through the simulation network with forward chaining through the junction point simulation computers; and sending routing vector information back through the simulation network with rearward chaining to direct the call along a parallel routing vector through the telecommunications network. The method preferably includes the additional steps of: monitoring buffer levels of telecommunications network junction point computers with the simulation computer at each junction point; and using the buffer level information to shunt calls from telecommunications network junction point computers having smaller buffers to those having larger buffers.

An exercise device, having a pair of handles—namely a first handle and second handle, and an elastic cord extending through the handles. The elastic cord has a fixed end, the first handle located adjacent to the fixed end. The second handle located along the elastic cord further away from the fixed end than the first handle. The second handle can selectively slide freely along the elastic cord toward and away from the first handle. A stopping device is attached to at least one of the first handle and second handle. The stopping device is capable of fixing the position of its associated handle along the elastic cord so that the elastic cord may then be tensioned to allow exercises to be performed.

A hydrokinetic water turbine system includes two turbine assemblies each having a frame structure, a horizontally-disposed shaft supported by the frame structure, and a rotor secured to the shaft. The rotor has a plurality of spaced-apart blades so that the flowing stream of water revolves the rotor. The blades are filled with a foam material to reduce weight and increase buoyancy. The frame structure is an open frame structure and includes frame members adapted to reduce a coefficient of drag of the frame structure. The frame members are filled with a foam material to reduce weight and increase buoyancy. The two turbine assemblies are secured side by side with shafts coaxial and the rotors rotating in opposite directions. The shafts can drive electric generators located out of the water or under the water. The underwater generators can be direct drive, low speed, high output generators.

An exterior sill assembly preferably for a window has a preferably extruded body, and attachable facial and preferably end caps for covering open ends of a cavity defined by the body. The body has a substantially vertical flange for mounting to a structure preferably below a window frame. A sill projects outward from the flange to a distal portion and preferably a support plate spaced below the sill and projecting outward from the flange to a distal segment. Attachment features are carried between the facial, the distal portion and the distal segment for releasable engagement of the facial to the body. Fasteners disposed in-part in the cavity extend through the flange for engagement into the structure. Preferably, the fasteners are used in conjunction with respective members for distributing stress loads across the flange.

A saw blade clamping arrangement for a power tool including a drive shaft and a saw blade releasably interconnected with the drive shaft for reciprocating motion along a longitudinal axis. The saw blade clamping arrangement includes a support mechanism interconnected with the drive shaft, the support mechanism configured to selectively receive the saw blade in first and second orientations, an actuator mounted on the drive shaft and rotatable relatively to the drive shaft between an engaged position and a disengaged position, the actuator including first and second locking cam surfaces, and first and second locking members operatively associated with the actuator, and movable between a locked position that selectively locks the blade to the corresponding first and second orientations and an unlocked position that releases the blade. The first and second locking members including first and second follower surfaces driven by the respective first and second locking cam surfaces.

An inflator (10) comprising a housing (12) having an interior and a plurality of gas exit orifices (14) formed therealong. A gas source material (20) is positioned in the housing interior and is enclosed in a pliable, rupturable substantially gas-and-moisture-impermeable container (24). The gas source (20) is a material (for example, hydrogen peroxide) adapted to undergo decomposition to form at least one gaseous decomposition product comprising an inflation gas. A reactant material (22) is also positioned in the interior of the housing (12). The reactant (22) is a material (such as a catalyst) adapted to react with the gas source material to produce decomposition of the gas source material (20). An enclosure (28) is positioned within the housing (12) to form a cavity (30) between an outer wall of the housing (12) and the enclosure (28). The reactant material (22) is positioned in the cavity (30). A plurality of orifices (34) formed along the enclosure (28) enables fluid communication between the interior of the enclosure (28) and the cavity (30). The container (24) is positioned in the enclosure (28). A resilient, expandable bladder (42) is also positioned in the enclosure (28). A propellant (44) is provided within the bladder (42) for generation of combustion gases upon ignition of the propellant (44), to produce expansion of the bladder (42). Upon ignition of the propellant (44), combustion gases expand the bladder (42), forcing a portion of the container (24) into the enclosure orifices (34), thereby stressing and rupturing the portions of the container (24) in the orifices (34) and releasing the hydrogen peroxide (20) to flow through the orifices (34) into the cavity (30), where it reacts with the catalyst (22) to produce inflation gas.

To make an inexpensive chromatographic column and perform chromatography with it, column walls and a column end with an inlet port are molded integrally from plastic and a snap-on end is molded integrally with an outlet port from plastic. A filter is placed in one end of the column and the column is filled with packing material up to the second end. A filter is placed on top of the packing and a snap-on end with a molded outlet port is snapped onto the body with linear motion until an interference fit is formed. As the body and snap-on end are moved together cantilever members formed integrally with the snap on end are bent outwardly by detent members until the detent members are captured by an opening in the cantilever members.

A refrigerant material transfer device for transferring refrigerant from a pressurized container to the connector on an automotive air conditioning system is provided having an actuator, fluid conveying tube and a quick connect fitting for attachment to the automotive connector. The quick connect fitting has a one piece plastic body and a plastic locking sleeve mounted on the body for attaching and detaching the quick connect fitting to the automotive connector. The plastic body has locking tabs integrally formed therewith for engaging the automotive connector. The locking tab is moveable between a locked position and an unlocked position. The locking sleeve retains the locking tab in the locked position. The quick connect fitting also has cooperating prongs to allow assembly of its components, restrain disassembly, and provide frictional forces during relative movement of the sleeve and body. A method is also provided.