Abstract: A power tool comprising an electric motor for driving a tool is disclosed. The electric motor comprises a shaft, an armature, and a brush collector. The stator is configured as a self-supporting unit comprising first and second supporting parts. One of the supporting parts may be configured as an air guide ring allowing air to be routed between a fan and the opposite end of the electric motor along the armature and the brushes.

Abstract: Half-level light signaling device is formed by a casing, including a lower part, which houses electrical and/or electronic circuits and at least one light source, and a cap protruding from the ground and removably fastened to the lower part. The cap has at least one aperture, to which a prism is connected, as to send outwards a light beam produced by the light source. The signaling device includes at least one antenna, embedded in the isolating material making up the cap, and having the terminals accessible from the lower part of the casing.

Abstract: This system relates to a secure encryption/decryption protocol for elevator displays and controls. The protocol uses an algorithm to scramble information before transmission and reassemble it after transmission. The system uses at least one block of data assembled into unencrypted N-bits of information. An encryption device encodes the data into at least one block of encrypted M-bits of information. A data encryption mask provides an encryption routine which also includes scrambling the data.

Abstract: A power screwdriver is disclosed having a drive which is coupled via a clutch, disengaging as a function of torque, to a tool drive shaft for driving a tool. The screwdriver comprises an electronic control unit for controlling the drive, and a sensor which is coupled to the electronic control unit in order to switch off the drive when the clutch responds. The electronic control unit is designed for activating the drive with a certain output, preferably with a reduced output, for a limited time after switch-off.

Abstract: The present invention relates to a coating composition using a catalyst for selective catalytic reduction for the removal of nitrogen oxides from the exhaust gas, a catalytic module element for selective catalytic reduction and a catalytic module for selective catalytic reduction for the removal of nitrogen oxides, and more specifically to a catalytic module element in which and a catalytic module element for selective catalytic reduction in which a plurality of plate-type or waveform glass fiber sheets on which the coating layer of a catalyst for selective catalytic reduction are formed, are repeatedly laminated and a catalytic module for casing the catalytic module element. According to the present invention, the production process is simple, economical and productive and the catalytic module element for selective catalytic reduction is excellent not only in decomposition efficiency of nitrogen oxides in the exhaust gas, but also in durability, economic efficiency and thermal shock resistance.

Abstract: A switch comprising a switch body and a control actuator, which can be associated with a control button and can move with respect to the switch body, the control actuator having a receptacle for a light source at a containment portion which is directed toward the button: the switch body is provided with fixing elements for a panel, by backpanel insertion, which comprise at least two abutment portions and at least two locking elements which act, with the panel in the mounted position, respectively at opposite faces of the panel, the two locking elements being arranged proximate to the button. Elements for detachable connection between the button and the control actuator are also provided.

Abstract: This invention discloses a device in a vehicle electrical system which determines the vehicle's operating conditions and facilitates the transfer of electrical energy between systems of electrical energy sources and their associated electrical loads based on the vehicle operating conditions. The device further determines the operating conditions of the systems of electrical energy sources and their associated electrical loads and facilitates the transfer of electrical energy between them in accordance with said operating conditions.

Abstract: A string dampener for a musical instrument is disclosed for dampening extraneous string noise caused by sympathetic vibrations. The disclosed dampener includes an attachment apparatus that releaseably attaches the string dampening apparatus to a portion of a stringed instrument. The dampener also includes dampening material to dampen string vibrations. Finally, an arm section is included that is rotatably coupled to the attachment apparatus and has the dampening material disposed on at least a portion of the arm section. The arm section is used to selectively engage and disengage contact of the dampening material with one or more strings of the stringed instrument by rotation with respect to the attachment apparatus. The disclosed string dampener affords quick attachment and detachment from a stringed instrument as well as easy engagement and disengagement of the dampener with the strings of an instrument with a requisite amount of pressure on the strings to effect proper dampening of sympathetic vibrations.

Abstract: This interface is an apparatus for controlling a power supply delivering power to a DC powered tool. The interface is connected between the DC power supply and the DC tool wherein the interface is configured to read signals from the tool and control the power supplied by allowing the power supply to run, brake, reverse or jog the tool. A microprocessor is connected to the interface programmed to provide a specific power in response to the signals from the tool read by the interface. The interface includes a number of field effect transistors. They are PFET1, PFET2, NFET1, and NFET2.

Abstract: A cable management system includes a first and a second support adapted to be disposed along at least a portion of a first and a second edge of a rack containing a plurality of pieces of equipment. The first support includes a plurality of openings sized and shaped to accept only cables associated with a specific piece of equipment within the rack. The second support includes a generally solid surface such that cables or the like cannot enter the rack from the second side. A plurality of cable arms are removably connected to the supports and are adapted to support the cables disposed through only a single opening in the first support associated with a specific piece of equipment.

Abstract: Disclosed is a grinding tool for a grinder comprising a rotary oscillating drive, the output shaft of which is driven so as to oscillate back and forth about its longitudinal axis and is configured for securing the grinding tool thereon. The grinding tool comprises a grinding pad which is made of a resilient material and encompasses at least one grinding surface that runs straight in one direction of extension and parallel to a tangent to the output shaft of the rotary oscillating drive.

Abstract: This invention discloses a load and battery control device for controlling and distributing electrical energy in a vehicle electrical system comprising a generator, an electrical load, and a stored energy source. The device monitors and processes electrical signals generated by the vehicle electrical system and compares them to a vehicle operating state. The device operates on a switching system to controllably connect or disconnect the generator, electrical load, or stored energy source, or any combination thereof, with the vehicle electrical system to be consistent with a pre-determined vehicle operating configuration.

Abstract: The method and device of this invention immobilizes a person in a secure, upright restraint system in a police vehicle. It can be easily and safely applied by public safety officers including police or other law enforcement personnel and medical personnel to secure a person against undesired movement while maintaining them in an upright, sitting position which leaves the diaphragm free for natural, unrestrained breathing movement. The asphyxia-preventing restraining device comprises an ALR/ELR retractor. The ALR/ELR retractor comprises a shoulder harness having a pair of seat belt buckles, which significantly reduces the possibilities of injuries to police officers.

Abstract: A grinding tool for sharpening tools is provided comprising an oscillatory drive the output shaft of which is driven oscillatingly about its longitudinal axis. The grinding tool comprises a holder for mounting a working part which is configured as a grinding plate having a flat grinding surface. The grinding tool is held by the holder in a plane extending substantially perpendicularly to the drive shaft. The holder comprises a fixed holding section and a removable clamping part between which the working part can be clamped at one end by means of at least one tensioning part. The clamping part comprises an outer surface which serves as a guide surface for supporting a surface of the working part to adjust a preset angle between the outer surface of the clamping part and the grinding surface of the tool to be sharpened.

Abstract: A drift eliminator is provided in which water laden air which enters the drift eliminator exits the drift eliminator having less than about 0.01% of water by volume therein. The drift eliminator is formed of sheets which are manufactured such that they can be nested in each other to create substantially no gap between sheets of adjacent air channel modules. As a result, a plurality of air channel modules can be combined, by nesting, to create a larger drift eliminator, without sacrificing the precision to which entrained water may be removed from air passing through the drift eliminator. In an alternate embodiment, a light trap is also provided which enables air, but substantially no light, to pass through air channels formed therein.

Abstract: This is a system for monitoring and controlling a compressed air driven, pulse tool. The system includes a means for measuring air pressure supplied to a pneumatic pulse tool and converting the air pressure into an electrical signal representative of the air pressure; a programmed microprocessor configured to identify a portion of the signal representative of the air pressure; and a means for controlling the flow of air to the tool. The programmed microprocessor is configured to identify and store timers to be associated with the signal representing the air pressure. The microprocessor is configured to report an acceptable condition if all of the timers are satisfied and the air flow to the tool has been shut-off by the microprocessor. The system is external to the tool.

Abstract: The present invention includes a system and method for controlling multiple sources of electric power using inter-regulator control. The regulators in the system may be of a universal type that may operate either as a master regulator or a follower regulator. Determination whether a regulator operates as a master or a follower regulator may occur before operation of the system, during operation of the system, or may reverse the role of master and follower regulators in response to operating conditions. The master regulator may control its source of electric power and may send signals to the follower regulators to control their sources of electric power. The control of the sources of electric power may be based on sensing output of at least one of the sources of electric power and based on the operational characteristics of at least one of the sources of electric power. Further, the follower regulator may verify the instructions sent from the master regulator.

Abstract: A retarded electric motor designed as a series motor or an asynchronous motor having a squirrel cage rotor. A valve is provided for switching between motor operation and braking operation. During motor operation the motor is operated in a known configuration as series motor or as asynchronous motor. If configured as a series motor, the valve (S1, S2, S3) allows to bypass the armature and to operate the motor as an externally excited direct current generator when switching into braking operation. If configured as an asynchronous motor, a switch is utilized to disconnect at least two field windings from mains. A valve is utilized to excite the motor externally from mains with a pulsating direct current during braking.

Abstract: A slip spool for selectively supporting a tubing string suspended in a wellbore can be mounted to a wellhead. The slip spool has an axial passage that is aligned with the wellbore, and at least two radial passages extending through a side wall of the slip spool and communicating with the axial passage. At least two slip assemblies are slidably received within the respective radial passages. Actuators move the respective slip assemblies between a retracted position in which the slip jaws clear the axial passage of the slip spool, and an extended position in which wedge-shaped slip jaws of the respective slip assemblies are inserted into an annulus between the axial passage of the slip spool to grip the tubing string.