摘要:
A Christmas tree fire prevention device preferably includes an air-pressurized reservoir containing fire-retardant agent and a mechanism for automatically discharging the fire-retardant agent. The discharging mechanism may be connected to the reservoir via a flexible hose may also be removably attached to the apex of an existing Christmas tree and camouflaged as a holiday decoration. A mechanism for automatically emitting an alarm signal when the automatic fire-retardant agent discharging mechanism is activated may further be included. The discharging mechanism may include a valve with a metal-alloy plug which has a relatively low melting point. Flame heated air preferably causes the plug to melt and activates the discharging mechanism, which ejects the plug from the valve. The pressurized fire-retardant may then egress through the valve, deflect off a guard located on top of the discharging mechanism, and cover the Christmas tree.
摘要:
A rivet table connected to the nosepiece of a rivet setting apparatus. The rivet table includes an outer sleeve which controllably slides back and forth within the nosepiece and supports opposing jaws pivotally connected to the outer sleeve about spaced transverse pivot axes. The jaws pivot between a closed position and an open position, biased toward the closed position and define a flat transverse distal rivet head receiving surface, and a central mandrel-receiving aperture therebetween to slidably receive a rivet mandrel and to support the rivet head against said rivet head receiving surface during rivet setting. The jaws are momentarily forced into the open position by the mandrel moving laterally into the aperture and being carried on a flexible strip. The exposed surface of the rivet head is thereby substantially free of tool marks after being set.
摘要:
A magazine for holding a quantity of blind rivets ready for use in an automatic rivet setting tool. The rivets are connected together in spaced relation along the length of an elongated rivet carrying strip or ribbon of flexible material by having a distal portion of each mandrel inserted or pierced therethrough. The magazine includes longitudinal panels connected together in a preferably even, spaced, radially extending arrangement forming a spool. The longitudinal panels each define an outer distal longitudinal edge, all of which are preferably substantially parallel one to another and to a central spool axis. Each rivet carried on the flexible strip, when the flexible strip is spiral-wound around said longitudinal distal edges, is positioned in somewhat radially oriented fashion between adjacent longitudinal panels with the head of each rivet positioned inwardly toward the spool axis.
摘要:
A plurality of resources are managed that are used in simulations. Resources are associated with two or more different resource sets. The resource sets are then associated with one or more different simulations. The resources may include electronic document images, application program components that execute from within other applications, animations, and web pages.
摘要:
A modular fiber management system that comprises: (a) a tray defining a set of first ports, a set of second ports, and paths interconnecting at least a portion of the first and second ports, the paths being configured to limit the bend radius of one or more fibers contained therein to no less than the minimum bend radius of the fibers; (b) one or more first connectors and one or more second connectors, each first connector being disposed in a first port, and each second connector being disposed in a second port, each connector having an x, y and z orientation such that the z axis is along the optical axis of the connector; (c) a plurality of fibers interconnecting at least a portion of the first and second connectors and lying in the paths, each fiber having a certain amount of slack between the first connector and the second connector; and (d) wherein each connector is limited in movement along its x y and z axes relative to the tray, each connector being limited in movement along its x and y axes by the port in which it is contained, and each connector being limited in movement along its z axis by the amount of slack in the fiber terminated in the connector.
摘要:
A connector having a front and back orientation and comprising: (a) a cable having at least a jacket and an optical fiber; (b) a ferrule assembly comprising a rear portion for attachment to said jacket, and a ferrule defining a bore hole for containing said optical fiber; (c) a housing having a front portion configured for mating with a mating structure and a back portion configured for attachment to a boot; (d) a spring biasing said ferrule assembly forward in said housing; and (e) a boot secured to said back portion of said housing and extending rearward around said tight-jacketed cable, said boot having an internal channel large enough to allow axial movement of said ferrule assembly relative to said boot.
摘要:
A testing apparatus is described with a housing, a power source, a carrier assembly, and a backbone connecting the carrier assembly to the power source. A resource board is disposed on the carrier assembly and is connected thereto, thereby receiving power from the power source through the carrier assembly. The resource board is adapted to perform a test on a device under test and to generate data reflecting results of the test on the device under test. A test pin assembly is disposed at one end of the resource board and is connectable with a loadboard. A controller operatively connects to the power supply, the carrier assembly, and the resource board. The controller is adapted to communicate with the resource board to execute instructions to test the device under test. The controller also receives the result data from the resource board, permitting analysis of the device under test.