Abstract: A refrigerator as disclosed having a housing and an external control panel with a display for displaying storage conditions in individual or multiple compartments of the refrigerator. The controls may be programmed to set optimum conditions for the food product stored in a given compartment of the refrigerator and programmable electronic circuitry includes precise controls for controlling the storage conditions within multiple compartments. The mechanism disclosed allows food products to be stored within their optimum range of conditions to reduce the deterioration of quality and prevent the development of deleterious organisms. By providing the ability to monitor conditions on the external display and adjust the conditions in a singular or multiple zones or multiple compartments of the refrigerator, users are afforded a means to increase their control for preserving food, maintaining quality, preventing food born illnesses, and conserving energy.

Abstract: A refrigeration compressor control system includes a controller coupled to a load sensor to produce a variable duty cycle control signal that is a function of demand for cooling. The controller includes a module for establishing a fixed or variable cycle time for the variable duty cycle control signal. The controller is coupled to a compressor to cause the compressor to selectively alternate between first and second states in response to the variable duty cycle control signal, thereby adjusting the capacity of the compressor to the demand for cooling while the compressor is energized.

Abstract: A method and apparatus for operating a dehumidifier in a de-ice mode is provided wherein the dehumidifier has an evaporator coil, a fan operated by a fan motor to cause a flow of ambient air over the evaporator coil, and a compressor operated by a compressor motor to cause a flow of refrigerant to the evaporator coil. A control is provided for detecting a characteristic of the dehumidifier associated with the formation of frost on the evaporator coil. Such characteristic could be the temperature of the evaporator coil, the rate of change of the temperature of the coil, a drop in the amp draw of the compressor motor below a predetermined value or a predetermined rate of downward change in the amp draw of the compressor motor. The control terminates power to the compressor motor after detection of the characteristic, either immediately or after a predetermined time, while continuing operation of the fan to provide the melting.

Abstract: In a control system of a vehicle air conditioner, when a temperature difference between a previous target air temperature at the previous manual operation and a present target air temperature at the present manual operation is smaller than a predetermined value, that is, when it is estimated that a passenger's desired air amount is not set by the previous manual operation, a blower voltage control characteristic for controlling an air amount of a blower is corrected so that a set value at the previous manual operation is not affected to the present learning. Accordingly, it can prevent air-conditioning feeling from being deteriorated due to mis-learning.

Abstract: In a method for driving an output stage by pulse-width modulation, which driving serves to supply a unit cooling the output stage during operation, at a higher temperature of the output stage a style of driving is performed which results in a low power loss in the output stage. At a lower temperature of the output stage driving is performed in such a way that the power loss is higher.

Abstract: A locomotive cab air conditioning method involves providing a multi-speed motor operable in at least a first speed state and a second speed state, the motor connected for driving a refrigerant compressor from a companion alternator output of the locomotive. An operating speed of a locomotive engine is monitored, and operation of the motor in one of the speed states is established based at least in part upon the monitored locomotive engine speed.

Abstract: In a hot water supply system with a heat pump cycle, an oil separator for separating refrigerant and oil flowing from a compressor from each other is provided, and oil separated from refrigerant in the oil separator returns to the compressor through an oil returning passage after passing through an oil passage of a water heat exchanger. The water heat exchanger includes a first heat exchanging portion in which refrigerant from the oil separator and water from a tank are heat-exchanged, and a second heat exchanging portion in which oil from the oil separator and water from the tank are heat-exchanged. In the heat exchanger, a flow direction of water is set opposite to that of refrigerant and oil.

Abstract: A cooling/heating circuit for a vehicle with at least two constituent circuits, which are at least in part at different temperatures and each contain at least one cooler for cooling at least one assembly in each case, the constituent circuits being coupled fluid-mechanically to one another.

Abstract: Ergonomic systems which provide medical therapy, comfort and enhanced function are provided. Surfaces are provided with adjustable contour, transient force damping and temperature. The technologies are applied to footwear, seating surfaces an cryotherapy devices. The cooling and cryotherapy system employ an evaporator in close proximity to skin, and therefore employ methods to reduce risk of frostbite. Advanced control and power supply options are disclosed.

Abstract: A detachable pendant mounting for providing interchangeability of the pendant includes a hollow clasp housing held on a pendant chain, the clasp housing open at the rear and the bottom end. A clasp element is mounted within the clasp element accessible through the open rear. A pendant securement to the clasp element is accomplished through the bottom opening. The clasp element may take various forms including a deflectable hook, a fixed pin, a slotted clevis, etc., with a catch engagement keeping the pendant securement on the clasp element until released.

Abstract: The present invention provides a two stage process of thermal separation of CFCs and HCFCs followed by vitrification of the waste into a commercially viable glass. In the first stage, the hydrogenated compounds are reacted at elevated temperature with water and a metal oxide such as calcium oxide to form a halide salt and carbon dioxide. In the second stage of the process, the brine slag is reacted at elevated temperature with the carbon dioxide from stage one and glass-forming raw materials such as silicon dioxide to produce a glass. The final glass product incorporates the halide into the glass.

Abstract: A system for melting and delivering glass to a work area such as spinners for making fiberglass includes a melter with heaters so arranged that the “hot spot” in the molten glass is located away from the walls and corrosion sensitive parts so that the various elements of the melter wear out at substantially the same time. The system is further provided with a dual exhaust arrangement when the melter, conditioner and forehearth are located on the same floor of the plant, the first exhaust being at the juncture of the melter and conditioner, and the second being an alternating replacement for one of the heating/cooling orifices and mechanisms in the conditioner, so as to effectively limit the amount of corrosive volatiles reaching the forehearth.

Abstract: A method for shaping an end of an optical fiber having a core to provide a novel optical fiber (or waveguide) includes the steps of contacting the fiber against a mold having a predetermined shape, The fiber and/or mold is heated. The fibers can be made of silica. The method is well suited for making wedge-shaped (i.e., standard screwdriver-like shaped) fiber tips. In addition, an apparatus for molding a shaped tip precisely located with respect to a core of an optical fiber includes a mold having one or more surfaces of the mold being configured and dimensioned to impart a predetermined shape to an end of an optical fiber contacted therewith, the predetermined shape being precisely located with respect to the core of the optical fiber.

Abstract: The invention provides a monomode preform (2) comprising a mother preform (22) housed in an outer sleeve tube (20). It is characterized in that it also includes an intermediate tube (21) between the mother preform (22) and said outer tube (20), the intermediate tube (21) possessing viscosity at fiber-drawing temperature which is less than the viscosity(ies) at fiber-drawing temperature of said mother preform (22) and of said outer tube (20). The invention also provides a method of manufacturing a monomode optical fiber. The fiber has a core that is better centered and less deformed than in the prior art. An application of the invention lies in making an optical amplifier.

Abstract: A knit article having an edge portion subject to raveling including a plurality of knitting courses in said edge portion. Each of the edge portion knitting courses is knitted with at least one strand of a heat fusible yarn, the heat fusible yarn including: i. at least one low melt fiber strand; and ii. at least one additional strand. The low melt fiber strand and the other strand are combined by air interlacing to create a single combined strand and to expose a sufficient amount of the one low melt fiber strand to facilitate a bond to an adjacent yarn strand.

Abstract: A combined handle and lock assembly for use on shipping cases that have limited space available for a separate handle and a separate lock. The combined handle and lock assembly includes a recessed mounting plate that is attached to the front side of the shipping case. A handle is attached with a hinge to the mounting plate and rests within the recessed area when it is not being used. A locking device is included on the bottom portion of the mounting plate.

Abstract: A combination lock system comprising a set of push-buttons, a set of series of coders each of which series is associated with a push-button, incrementing means for placing the coders of each series successively in a position to be operated by a push-button, coding means for selecting some coders and placing them in a coding position, and means for returning the coders to a waiting configuration after the push-buttons are actuated. The system comprises means for authorizing two actuation strokes of the push-buttons, namely a normal stroke commanding movement of a coder which is part of the code between its coding position and an unlocking position and a coding travel moving a coder from its inactive position to its coding position. For entering a new coded combination, the system further comprises means for placing all the coders in the inactive position and authorizing actuation of the push-buttons over the coding stroke.

Abstract: A cable drive assembly 102 for a motor vehicle locking system is described. A lock mechanism 104 is mounted on a first carrier 108. The first carrier is connected to a second carrier 110 by a cable, such that turning of an appropriate key in the lock causes the first carrier to rotate. In turn this causes the second carrier to rotate. Rotation of the second carrier causes a latch mechanism remote from the locking system to be actuated. The first carrier prior is held in a first position within a housing prior to insertion of the lock mechanism. Insertion of the lock mechanism during assembly of the locking system frees the carrier and allows it to rotate in response to turning of the lock mechanism.

Abstract: A push lock assembly having a housing with mounting elements for mounting the push lock to a mounting surface, a pawl carried on the housing, an actuating knob, a cam member and a lock plug which is carried in the actuating knob and associated with the cam member for rotation thereof, the mounting elements facilitating mounting of the push lock from single side of a panel.

Abstract: The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit of the cutting blade is cut in a length suitable to a sheet matter molding configuration in a cutting molding unit adjacent thereto, simultaneously the cutting tip used in cutting is transferred together with the cutting blade to a folding device side through a guide member set which is to be contacted with the cutting molding unit, the cutting blade transferred to the folding device is folded in a predetermined shape by a folding member which performs a going-straight movement and a rotating movement, and thereby, at this time, the cutting tip is detached outside by a tare. Accordingly, a working efficiency and a productivity in the cutting and folding of the cutting blade are improved and increased.

Abstract: A manufacturing apparatus for manufacturing a can having a can body including a dome section and an annular projection. The dome section is formed on a bottom of the can and is recessed inwardly of the can body. The annular projection is formed around a peripheral edge of the dome section so as to project outwardly in a direction of an axis of the can. A plurality of inner recesses are formed on an inner wall of the annular projection. The apparatus includes: an apparatus main body; a mandrel disposed on the apparatus main body for supporting the can body; a can bottom processing unit disposed on the apparatus main body so as to be relatively movable in the direction of the can axis with respect to the can bottom.

Abstract: An upsetting tool for forming continuous cast slab in upsetting presses has one or more first plane upsetting surfaces extending at a slant to a transport direction of the slab being transported through the upsetting press. A second plane upsetting surface extends parallel to the transport direction of the slab and parallel to longitudinal sides of the slab. The first and second upsetting surfaces adjoin one another at a first slant angle. Calibrating upsetting surfaces are provided, and the calibrating upsetting surfaces and the plane upsetting surfaces are positioned above one another.

Abstract: A method of speeding startup of a MOS gas sensor having a sensor element for sensing a target gas, and a heater configured to heat the sensor element, and which is responsive to a voltage applied thereto. The heater has an operating temperature which is selectively maintained by applying a first voltage thereto, and the heater further has a maximum recommended temperature which is selectively maintained by applying a second voltage thereto. The maximum recommended temperature is higher than the operating temperature, and the second voltage is higher than the first voltage. The method includes providing a third voltage to the heater which is greater than the second voltage for a predetermined amount of time which is selected to increase the temperature to a level not greater than the maximum recommended temperature in a shorter time period than if the second voltage is applied and maintained. A MOS gas sensor system and a fuel cell system also employ such a method.

Abstract: Method and apparatus for determining the concentration of an analyte gas using a gas measurement device comprising a gas sensing element having an electrical current output dependent upon concentration of a gas being measured, means for measuring the electrical output signal and means for limiting diffusion of the gas being measured to the gas measurement device and defining a path for gas being measured to enter the gas measurement device. Concentration is determined by exposing the gas sensing element to the analyte gas at a first rate of diffusion and diffusivity, and measuring the output signal for a time sufficient to establish a first steady state signal, reducing diffusion of gas to the gas sensing element to a second rate of diffusion and diffusivity, and measuring the output signal for a time sufficient to establish a second steady state signal, and calculating the concentration of the analyte gas based on the second diffusivity and the first and second steady state output signals.

Abstract: A sensor, in particular for determining the oxygen content in exhaust gases of internal combustion engines, is proposed, as well as a method for its manufacture. The sensor includes a receptacle, arranged in a longitudinal bore (16) of a metal housing (10), for a sensing element (12), in which receptacle the sensing element (12) is received in gas-tight fashion via a sensing element seal, the sensing element seal being a glass seal (57). The receptacle has a measured-gas-side ceramic shaped element (20) and a connector-side ceramic shaped element (27), which are arranged axially one behind the other. A cavity (55) into which the glass seal (57) is pressed while hot is configured between the two ceramic shaped element (20, 27).

Abstract: A magnetic oxygen analyzer which employes a detector comprising a magnetic pole, heat generator arranged in a non-uniform magnetic field where the intensity of a magnetic field produced by the magnetic pole varies, and a magnetic wind sensor disposed to not be affected by heat produced by the heat genera-to. A change in resistance of the sensor, caused by change in magnetic wind strength, is detected as the oxygen concentration of a mixed gas. The magnetic wind is caused by the magnetic field produced by the magnetic pole and by heat produced by the heater and is related to the oxygen concentration of the mixed gas exposed to the analyzer. Advantageously, the analyzer of the invention provides improved signal to noise ratio, is immune to ambient temperature, and eliminates the need for precise temperature control.

Abstract: An apparatus for measuring the viscosity of a fluid having a first rigid member extending from a body of semiconductor material and provided with a first conductive path and a second resiliently flexible member provided with a second conductive path and arranged in cantilever fashion over the rigid member. At least one of the conductive paths may be selectively energized to brig about relative movement between the rigid and flexible member. Subsequent deenergization of the path causes the resiliently flexible member to return to its initial position, the rate of return being measured to derive a signal representative of the viscosity. Also described are methods of carrying out the measurement and of fabricating the apparatus.

Abstract: A method for testing an internal combustion engine for assembly and manufacturing faults. In methods of this type, the torque of an electric traction motor has hitherto been determined, specific torque values being an indication of faulty engines. So that the procedure can be carried out without the complicated torque measurement, during the traction movement an air volume entering a crankcase ventilation system is measured. The measurement value is compared with desired values of a fault-free internal combustion engine and assembly and/or manufacturing faults are inferred from deviations.

Abstract: The present invention a pedal depressor is for use in a vehicle having a steering wheel and control pedals. The pedal depressor includes an apparatus for applying downward actuating forces to at least one of said vehicle control pedals, using said steering wheel as a counterforce to said downward actuating force. The pedal depressor further includes a longitudinal rail plate, at one end of said rail, for bearing and applying force against said vehicle control pedal; and a car adapted to slidably move along said rail, said car cooperating with and connected to a device for adjusting said counterforce against said steering wheel, thereby adjusting said force against said control pedal and maintaining said control pedal at a preselected position.

Abstract: Apparatus and methods are provided for inspection of a tire for hidden irregularities and defects. The apparatus includes a remotely located control console to protect electronic components from contamination and debris associated with tire retreading and from mechanical vibration associated with handling and inspecting used tire casings. The apparatus includes a tire supporting and rotating assembly, a receiver control assembly, a moveable transmitter assembly for directing energy against a tire and a movable receiver assembly to receive energy passing through the tire. Components of the mechanical system used to control movement of the receiver assembly are spaced from components of the mechanical system which support and rotate the tire.

Abstract: First a liquid volume is comminuted into individual droplets in order to measure the volume of liquid droplets, then an electric potential different from that of the ambience is applied to the droplets, said potential determining the droplet charge as a function of its capacitance to its ambience. Finally, after charge to voltage conversion and measuring this capacitance-dependent value, the capacitance and the volume of such a drop can be determined. A liquid drop collecting vessel (2, 40) is provided for that purpose and comprises a droplet dripper (4, 42) to deliver individual droplets, further a device to charge the individual droplets formed by the drippers (4, 42). A measurement device (8, 44) is mounted underneath the liquid droplet collector vessel (2, 42) and is connected to a droplet collector electrode (16, 46) to determine the droplet capacitance by means of a voltage jump or a derivative test value.

Abstract: A sensing device, such as an angular speed detecting device, includes a vibrator for improving detection precision. The vibrator is displaceably supported on a substrate and is vibrated in the direction of an X-axis by driving electrodes. Detecting electrodes detect vibrations of the vibrator in the direction of a Y-axis caused by a Coriolis' force resulting from the angular speed occurring about a Z-axis. Each of the driving and detecting electrodes includes a movable electrode that is connected to the vibrator and that is displaced together therewith on the substrate and a fixed electrode fixed onto the substrate in such a manner as to face the movable electrode. By equalizing conductors connected to fixed electrodes of the driving electrodes and conductors connected to fixed electrodes of the detecting electrodes in length, width, and thickness, respectively, one electrical characteristic is set for those of the wiring portions which function in the same manner.

Abstract: A method for measuring motion of a user, which is adapted to apply to output signals proportional to rotation and translational motion of the carrier, respectively from angular rate sensors and acceleration sensors, is more suitable for emerging MEMS angular rate and acceleration sensors. Compared with a conventional IMU, said processing method utilizes a feedforward open-loop signal processing scheme to obtain highly accurate motion measurements by means of signal digitizing, temperature control, sensor error and misalignment calibrations, attitude updating, and damping control loops, and dramatically shrinks said size of mechanical and electronic hardware and power consumption, meanwhile, obtains highly accurate motion measurements.

Abstract: An apparatus for determining the position of a signal from a pipe (1), the apparatus comprising a first sensor (9) capable of being coupled to said pipe for detecting a signal from said pipe (1), a second sensor (13) being moveable with respect to said pipe (1) for detecting a signal from said pipe (1) and determining means for determining a variation between the signals detected by the first and second sensors, due to the differing position of the first and second sensors with respect to the pipe (11).

Abstract: A flaw detection system using acoustic Doppler effect for detecting flaws in a medium wherein there is relative motion between the medium and system includes a transducer, spaced from the medium to be inspected, for introducing to and sensing from the medium an acoustic signal that propagates in the medium at a predetermined frequency; and a detector, responsive to the sensed propagating acoustic signal, for detecting in the sensed acoustic signal the Doppler shifted frequency representative of a flaw in the medium.

Abstract: There is disclosed a dampening apparatus for a pressure gauge in which a housing secured to the amplifier of the pressure gauge encircles the pointer shaft in a close but loose fit relation so as to define a controlled clearance packed with a high viscosity dampening agent such that it serves to decelerate and cushion any sudden shock or pulsation force that would otherwise be transmitted from the pointer shaft to a pointer registering values of pressure of fluid pressure being monitored.

Abstract: An accurate and reliable pneumotachometer with annular ring transducers for determining the velocity of a fluid flow is provided. A novel and accurate flow measurement system for measuring transit time of a fluid flow using chirp signals and a pneumotachometer with annular ring transducers is also disclosed.

Abstract: A highly sensitive Coriolis flowmeter, which is also utilizable as a density meter, is composed of:

Abstract: A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit and is operable to sense the motion of the conduit and generate a sensor signal. A controller is connected to receive the sensor signal. The controller is operable to detect a single-phase flow condition and process the sensor signal using a first process during the single-phase flow condition to generate a validated mass-flow measurement. The controller is also operable to detect a two-phase flow condition and process the sensor signal using a second process during the two-phase flow condition to generate the validated mass-flow measurement.

Abstract: A ring shaped magnetostrictive torque sensor includes a ring core functioning as an exciting core and a detection core. An exciting coil is wound in a circumferential direction along a circumferential inner peripheral surface of the ring core. A plurality of magnetic pole projections project radially and inward from the circumferential inner peripheral surface of the ring corer, and the detection coils are wound around the respective magnetic pole projections. Accordingly, a plurality of detection coils can be arranged without increase in size or cost of the sensor. Since the exciting coil 3 is wound in the circumferential direction, magnetic characteristics along the circumferential direction can be equalized. Hence, a torque sensor is obtained which is capable of conducting a torque detection with high accuracy.

Abstract: A storage box 100, on the bottom surface of which are attached casters 101, has a heater 102 positioned on the bottom surface thereof and left-hand side and the right-hand side interior spaces being divided by a partition plate 103, wherein nine (9) sampling bags 104 . . . in total can be received within a wide space at the right-hand side thereof. On one side of the storage box 100 is provided a connector unit 110. This connector unit 110 is constructed with an elevating block 112 hooking on guide rails provided in a direction of up and down, and the elevating block 112 is biased upward with a gas spring 113. In guide holders 112b of the elevating block 112 are provided guides 115 . . . in the same number as the number of the sampling bags 104, and into each guide 115 is inserted a flexible conduit 116 made from stainless steel, in a such manner that it can be drawn out therefrom.

Abstract: The present invention provides a method and apparatus for calibrating a fluid retarder 155 in a transmission system. The transmission system may include an engine 120 connected to a transmission 135 through a driveshaft 118, or power input shaft. The driveshaft is mechanically connected to the fluid retarder 155. The fluid retarder includes a rotor 162 mechanically connected to the driveshaft 118, and a retarder valve 175 adapted to enable fluid flow across the rotor 162. The method includes the steps of delivering a valve command to the retarder valve, determining a speed of the engine, and calibrating the retarder valve in response to the engine speed, and the valve command.

Abstract: A shift control system for an automatic transmission comprises a shift lever 201, which is shifted among a “P” position, an “N” position and an “S” position. A first shift guide path 211 is provided to guide the shift lever from the “P” position through the “N” position to the “S” position, and a second shift guide path 212 is provided to guide the shift lever which has been positioned at the “S” position in a direction different from that of the first shift guide path. Along this second shift guide path, the shift lever is shifted to select and set a plurality of ranges necessary for driving a vehicle, including a forward drive range, a neutral range and a reverse drive range.

Abstract: The present invention relates to a system and apparatus used in conjunction with drive mechanisms in vehicles for efficient energy transfer through a pinion assembly and associated bearings to the wheels of a vehicle. The apparatus includes various types of fasteners, a drive flange, pinion shaft, and an integrated bearing assembly.

Abstract: A transmission input shaft (116) is provided with spline teeth (144) of an involute cross-section and a relatively small circular thickness (146).

Abstract: The present invention improves the operability of a throttle lever device mounted in the vicinity of a grip at one end of a handlebar of a water jet bike or a snowmobile when the rider rotates the handlebar to the left or right. A front end portion of an operation lever 3 can be moved vertically relative to a bracket 1 for a throttle lever within a certain range, and a throttle cable 6 can be directly or indirectly actuated by virtue of gripping operations of the operation lever 3.

Abstract: A process for thermal treatment of residual materials containing heavy metal and iron oxide, including providing a multiple-hearth furnace having hearths provided one above the other, depositing the residual materials continuously on a top hearth of the hearths, gradually transferring the residual materials to lower hearths of the hearths, introducing reducing agents to at least one of the hearths and reacting the residual materials to form heavy metals and directly reduced iron, exhausting gases containing heavy metals from below hearths of the hearths where the heavy metals are being vaporised, re-injecting at least a part of the gases into the multiple-hearth furnace from above the hearths of the hearths where the heavy metals are being vaporised, and discharging the directly reduced iron together with residues of the reducing agents in an area of a bottom hearth of the hearths in the multiple hearth furnace.

Abstract: The corkscrew for a wine steward is of the type which contains a helicoidal body (1) to be inserted in the cap of a bottle to be opened, this body being hinged to an element (2) of lengthened shape. The main feature of the invention resides in the fact that it also contains an apparatus (4) which is common to devices of this type, capable of opening caps having a crown and an extension (7), which substantially extends for the entire length of element (2), is hinged (7′) to the apparatus (4). This extension makes it easier substantially for the user the operation of raising the cap and also allows the operator to open the bottle without touching with his hands the mouth of the bottle.

Abstract: A tool to grip the outer periphery of an object being adaptable, for example, to remove a collar locked to the threaded shaft of a frangible fastener or operate as a drill stop. The tool includes an outer cylinder having a threaded portion and an inner cylinder having complementary threaded portion. A collet is disposed in the volume defined by the outer cylinder and is positioned to receive an axial force from the inner cylinder when translated via rotation with respect to the outer cylinder. The collet has a segment removed to permit the collet to decrease in size upon application of a constrictive radial force. The collet further has a frusto-conical outer surface that acts upon a complementary surface on the inner portion of the outer cylinder. When the collet is acted upon by the inner cylinder, a compressive radial force is applied thereto, which results in the collet constricting to securely and nearly uniformly grasp any object located within the collet.

Abstract: A tool comprising a handle and a plurality of tool members which is attachable to a keyring. The handle includes a plurality of recessed pockets and the tool members each include a different tool bit portion, such as a straight blade screwdriver, a Phillips screwdriver, a hexagonal wrench, and/or a starshaped wrench. The tool members are selectively movable between a stored position whereat the tool bit portion is stored within one of the plurality of recesses and an extended position whereat the tool bit portion is aligned with a longitudinal axis of the handle whereby the selected tool bit portion may used to perform a tooling task.