Abstract: A multistage hammer mill (10) has a plurality of milling stages arranged concentrically about each other. The plurality of milling stages arranged so that substantially all material in a first inner most of the milling stages passes through all subsequent adjacent milling stages. The milling stages include a first milling stage and a second milling stage. A central feed opening (12) enables material flow into a primary impact zone (14) of the first milling stage. The first milling stage has an impact mechanism (16) and a first screen arrangement (20a). The impact mechanism (16) rotates about a rotation axis (18). The first screen arrangement (20a) is disposed circumferentially about and radially spaced from the impact mechanism (16) and is provided with a plurality of apertures (22) through which impacted material of a first size range can pass.

Abstract: A digging apparatus (10, 300) is disclosed. The digging apparatus (10,300) includes a handle assembly (14, 14a, 314), a motor (32), a main switch (22, 322) electrically connected with the motor (32). The main switch (22,322) is movable between a first position in which operation of the motor (32) is allowed and a second position in which operation of the motor (32) is prevented, and a drilling bit (88, 88a, 388) is driven by the motor (32).

Abstract: Device and method for providing rotational power using power transmission are disclosed. The device enables multi-dimensional and angle-agnostic displacement of the rotational power output with respect to the input location and transference of high-torque and high-speed rotational movement, while preserving maximal efficiency and quick response. The device is a transmission gear that comprises at least two gear-links in a multi-link articulated gear (MLAG). Each of the links comprising at least two gear wheels. The transmission gear further comprising a common axis adapted to allow the links to rotate freely with respect to each other about the common axis and thus to allow change of the angle between the at least two links and thereby to change the distance between the input shaft and the output shaft.

Abstract: An electromagnetic type quasi-zero stiffness absolute displacement sensor that includes an intermediate shaft, upper end cover, first sliding bearing arranged on the upper end cover, upper housing fixedly connected to the upper end cover, electromagnetic coil fastened onto an inner wall of the upper housing, spiral spring, spring support connected to a lower end of the spiral spring, force sensor fastened onto a lower end surface of the spring support, lower end cover fastened onto lower end surface of the force sensor, and a lower housing connected to the lower end cover; the intermediate shaft sequentially passes through, from top down, the first sliding bearing, upper end cover, and electromagnetic coil, and is connected to an upper end of the spiral spring; and the upper housing is provided therein with a ring permanent magnet that is nested on the intermediate shaft and is not in contact with the electromagnetic coil.

Abstract: A drive system for a conveyor system has an motor and a transmission. One or more clutches can be provided between the motor and transmission. The drive system can be mounted by way of a torque support. In order to reduce vibrations of the drive system, a damper is arranged on the axial motor-side end. If the motor, the transmission and, optionally, other components of the drive system are mounted on a rocker, the damper can be arranged on the motor-side axial end of the rocker.

Abstract: A multi-appliance power unit (100) selectively driving one of a plurality of power driven appliances (114) from one relocatable power plant (102). The modular power plant (102) is entrapped on a platform (108) and is movable therealong to any one of the appliances (114) fastened to the platform (108), which appliance (114) can then be driven by the power plant (102). A modular power plant and power driven appliance kit (200) includes a wheeled chassis (204) having a handle (220), a removable modular power plant (202 or 212), and a removable modular power driven appliance (212 or 202). A flexible drive shaft (300), is optionally integrated with a power plant or a powered appliance. The flexible drive shaft (300) includes an outer flexible sheath (310), roller type bearings (308), and a multifilament torque conducting flexible core (306) held spaced apart from the outer flexible sheath (310) by the bearings (308).

Abstract: An offshore drilling rig configured for lowering and/or raising a string of tubular equipment into a subsea borehole. The drilling rig includes a drill deck; a first hoisting system being adapted for raising or lowering a first load carrier along a vertical first hoisting axis, wherein the first hoisting system is supported by a first support structure extending upwardly relative to the drill deck; a second hoisting system being adapted for raising or lowering a second load carrier along a vertical second hoisting axis located apart from the first hoisting axis, wherein the second hoisting system is supported by a second support structure extending upwardly relative to the drill deck; and a joint operations well center on the drill deck. During joint operations, the first and second hoisting axes are preferably located apart from the joint operations well center.

Abstract: A linear actuator, especially for telescopic lifting columns (7) comprising a reversible electric motor (16) and a transmission (17) located in a box-shaped housing (14). A Linear movable activation element (18), preferably a spindle unit (19-21) connected to the transmission (17) is secured to the housing (14)). The activation element is intended for moving an adjustable element, e.g. a table top in the structure into which the actuator should be incorporated. The housing (14) is equipped with internal reinforcements (32) for strengthening said housing in its longitudinal direction and possibly also in its transverse direction. Thus a linear actuator with sufficient rigidity for use in sitting/standing tables without cross member is achieved.

Abstract: The present invention relates to a kit which can be easily adapted to a buckraking device or silo-bag, to allow people to work without using a tractor. The kit includes a movable base having at least one wheel and an independent engine mounted on the movable base. The independent engine activates the load screw and a clutch mechanism is coupled to the independent engine. A coupling fuse is coupled to the clutch mechanism and a speed reducer is coupled to the coupling fuse. A short cardan joint is coupled to the speed reducer at one end and to the hopper in the other end.

Abstract: A rotary table device includes a cooling structure and a rotary bearing provided with a cooling structure. A rotary table device provided with a cooling structure includes a hollow motor as a drive source, a table rotated by the hollow motor, and a rotary bearing supporting rotational motion of the table, in which the rotary bearing includes an outer ring having an inner peripheral surface to which a rolling surface is formed, an inner ring having an outer peripheral surface to which a rolling surface facing the rolling surface of the outer ring is formed, and a number of rolling members in a rolling passage formed by the rolling surface of the outer ring and the rolling surface of the inner ring, and a heat sink is formed to either one of the inner and outer rings.

Abstract: An elevator assembly includes a carrier, a first arm, and a second arm. Each arm has a primary portion pivotally connected to the carrier and a secondary portion pivotally connected to the primary portion. A first gear system interconnects the first arm and the second arm for synchronous rotation with respect to the carrier in opposite directions. A pair of second gear systems establish a geared relationship between the secondary portions of the arms and the carrier. A support member is connected to the secondary portions of the arms, wherein rotation of the primary portions of the arms with respect to the carrier drives the support member between a neutral position and at least a first extended position.

Abstract: A rotary table system having high axial and radial run-out accuracy, high resolution, and thin and medium- or large-sized system. The rotary table system includes a guide apparatus and a rotary table mounted on the guide apparatus. The guide apparatus includes a ring-shaped integrated rail having no discontinuity in the travel direction thereof, and a plurality of guide blocks assembled to the rail from the direction of their surfaces opposing the rail. The surface of the rail opposite to the surface thereof opposing the guide blocks and the underside of the rotary table are joined together. The rail has an L-shaped cross-sectional configuration formed from a vertical portion and a horizontal portion extending from the upper end of the vertical portion in the radial direction of the rotary table. A tape scale that is detected by a detecting mechanism is provided on the outer peripheral surface of the rail.

Abstract: Power equipment widely used in commercial, residential and recreational settings comprises a host implement and a demountable motor. The host implement has a frame, a mounting block with a first latch component secured to the frame, a driven shaft connected to the frame with a working piece connected to one terminus and a self-locating and locking coupler on the other terminus. The demountable motor has a spacing block with a second latch component and further has a drive shaft extending through the spacing block. The drive shaft has a second self-locating and locking coupler on its terminus. When the demountable motor is positioned on the host implement, the respective couplers mechanically mate so a power from the demountable motor can be transferred to the working piece. The latch components of the mounting block and spacing block interact to hold the host implement to the demountable motor.

Abstract: An apparatus for supporting an object is disclosed. The apparatus includes an air bearing coupled to an air bellows. When used in a vacuum environment, the apparatus preferably includes an air bearing housing with vacuum to remove the pressurized fluid used in the air bearing.

Abstract: The present disclosure provides a stage device applicable to a semiconductor manufacturing apparatus. A stage device 10 comprises a Y-axis stage 20 and an X-axis stage 40, the Y-axis stage 20 including a fixed component 21 and a movable component 26 movable along the Y-axis, the X-axis stage 40 including a fixed component 41 and a movable component 43 movable along the X-axis, wherein the fixed component 41 of the X-axis stage 40 is disposed on the movable component 26 of the Y-axis stage 20, the Y-axis is designed as a scanning axis, while the X-axis is designed as a stepping axis, and a non-contact sealing device is arranged between the fixed component 21 and the movable component 26 of the Y-axis stage 20.

Abstract: A table system with angular position control in which a table is moved accurately over a tiny angle in circular direction to any desired position. The table is supported on a bed for rotation through a crossed-roller bearing. Position control apparatus turns the table over a tiny angle through an arm plate fastened to the table. A nut and screw set cause a linear motion that is in line with a tangent of the table, and the linear motion is translated into a circular motion to turn the table by a first linear motion guide unit to control the linear motion in the tangential direction, and a second linear motion guide unit to control a linear motion in the direction facing the center of the table.

Abstract: An engine-driven generator incorporating an engine and a generator into a single unit, with the output shaft of the engine coaxially connected to the rotating shaft of the generator, via a frame structure formed by integrally combining two support members provided in parallel with the axial line of the output and rotating shafts with two handle members orthogonally intersecting the aforementioned axial line via upright members wherein base members are fixedly fitted between the support members below the engine and the generator in such a manner as to orthogonally intersecting the aforementioned support members; a generator mounting member, having a mounting hole in the axial direction, provided between a bulged portion integrally protruded on the lower part a rear bracket of the generator and a base member below the generator, and two engine mounting members provided between the engine and a base member below the engine are disposed at the apexes of a triangle, so that the engine and the generator are mounted

Abstract: A take-off power package system (TOPPS) designed to allow a number of tool packages to be quickly and positively connected to a prime mover package. The prime mover package comprises an internal combustion engine (ICE) which is mounted to a lightweight, tubular steel or aluminum frame. A flexible, quick-connect coupling is mounted directly to the engine crankshaft for mating with a coupling on the drive shaft of a selected driven tool package. Two clamps, and a plate and pin alignment system are provided on the drive shaft side of the frame for positively securing the selected tool package to the prime mover package. An auxiliary fuel tank may also be mounted to the prime mover package to extend the operating time of the engine. The tool packages house a number of shaft driven implements, including hydraulic pumps, electric generators, air compressors, etc. As with the prime mover package, the tool packages also include a lightweight, tubular steel or aluminum frame for mounting the particular implement.

Abstract: A portable collapsible work station for quick set up and storage is provided. The work station comprises an elongated frame structure including a pair of side frames. A collapsible wheel carrying frame is pivotally mounted at a first intermediate position of the elongated frame structure. The collapsible wheel carrying frame being pivoted on the elongated frame structure from a storage position lying within a horizontal plane through the elongated frame structure to an extended operating position for supporting the elongated frame structure. A support leg structure is pivotally mounted at a second intermediate position of elongated frame structure enabling the support leg structure to be moved from a storage position coplanar with the collapsible wheel carrying frame to the extended operating position for supporting the elongated frame structure.

Abstract: A kitchen appliance with a flexible drive for driving one of a plurality of attachments. The kitchen appliance includes a flexible cable for delivering power from a motor and gear assembly to an attachment. The motor and gear assembly is constructed to oscillate or rotate the flexible cable. Moreover, the motor and gear assembly includes a motor and gear assembly switch which when closed powers the motor. The switch can be closed by moving the cable to close it.

Abstract: An engine 2, a reduction gear 3, and a clutch 4 detachably coupling a reducing input shaft 25 of the reduction gear 3 to an engine output shaft 24, are housed in and supported to a support and frame work 1. A reducing output shaft 26 of the reduction gear 3 is used for a power takeoff shaft of the drive unit, and an input shaft of a work machine is coupled the power takeoff shaft, so that the work machine is operated. A weight of the support and frame work 1 is made smaller than a total weight of the engine 2, the reduction gear 3 and the clutch 4 so as to decrease a weight of unit. Thus, an over-loading can be overcome easily by using a friction clutch for the clutch 4.

Abstract: An adapter for rapid attachment and removal of a flanged motor on a power driven appliance. A bracket attaches to the appliance and cooperatively receives the motor flange. Pins incorporating clips or expanding projections then secure the motor to the appliance. A shaft-to-shaft connector is then secured in place on the shafts, thus coupling the motor output shaft and appliance power input shaft. The connector may include pins inserted through aligned bores in the connector and the shafts. In a preferred embodiment, the connector may comprise mating forward and rear components sandwiching a resilient member therebetween, which arrangement accommodates minor angular and parallel misalignment. In other alternative embodiments, the connector comprises a splined collar slidable over splined output and input shafts, and a clutch and drum arrangement. For belt driven appliances, the motor output shaft terminates in a pulley, or is coupled to a shaft having a pulley and attached to the appliance.

Abstract: A method and apparatus for measuring unbalance of a vehicle wheel that is freely rotatable and mounted on a motor vehicle. The wheel is rotated during the measuring operation at a measurement speed and a mark on the wheel is sensed to provide accurate information concerning the angular wheel position of the rotating wheel. An incremental generator is operatively associated with the wheel for supplying a predetermined number of increments between each two sensings of the mark on the wheel, which is associated with a rotational angle of 360.degree.. The respective counter condition is used for detecting the rotational angle of the wheel.

Abstract: A method and apparatus for driving a motor vehicle wheel mounted on a motor vehicle. The wheel is freely rotatable for unbalance measurement thereof a friction wheel driven by an electric motor that is pressed against the tire with varying pressure force. The respective peripheral speeds of the friction wheel and the vehicle wheel in relation to the contact periphery at which the friction wheel bears against the vehicle wheel are ascertained and the electric motor is regulated in a continuous or discontinuous mode in dependence on a difference between the two measured peripheral speeds.

Abstract: An adapter for manual attachment and removal of a flanged motor on a power driven appliance. A bracket attaches to the appliance and cooperatively receives the motor flange. Pins incorporating clips or expanding projections then secure the motor to the appliance. A shaft-to-shaft connector is then secured by similar pins, thus coupling the motor output shaft and appliance power input shaft. For belt driven appliances, the motor output shaft terminates in a pulley, or is coupled to a shaft having a pulley and attached to the appliance. Optionally, a belt tensioning pulley is included.

Abstract: A base plate positioning mechanism in an electronic part mounting apparatus wherein a part supplying position and a mounting position are fixed, characterized in that a friction driving mechanism is used in a rotative driving unit for setting the rotated positions of an electronic part and a base plate to predetermined angles in order to adjust the part mounting position of the base plate to the fixed mounting position.

Abstract: An apparatus for driving a motor vehicle wheel while it is fitted to the motor vehicle for detecting unbalance thereof comprises a friction wheel which is driven by a drive motor and which is pressed against the motor vehicle wheel for driving same at a speed required for measuring its unbalance. The drive motor is switched on or off in dependence on the pressure force with which the friction wheel is pressed against the motor vehicle wheel, in such a way that no slip occurs between the friction wheel and the motor vehicle wheel.

Abstract: A kitchen machine comprises a U-shaped housing having a base and oppositely disposed, upwardly extending sides. A cover is pivotally connected to one end edge of the base, the cover being rotatable to a position constituting an extension of such base to serve as a support for a bowl. A driving unit includes a housing and a motor unit, the driving-unit housing being rotatably connected to the upper portion of each side of the U-shaped housing; the motor unit having its own housing. A detachable handle is provided for the motor unit. First means is associated with the detachable handle for attaching the handle to the motor unit to enable the motor unit to be arranged in the driving-unit housing and to be removed therefrom. Second means is associated with the motor unit for locking the motor unit in the driving-unit housing.

Abstract: A sewing machine with an articulated table is provided to facilitate the proper positioning and removal of workpieces. The drive shaft disposed under the table also is articulated to rotate with a portion of the table. An alignment piston is provided to securely align the drive shaft prior to any articulation thereof. An articulation piston is provided to positively move the table through its range of articulation. A locking piston also is provided to lock the table into its nonarticulated condition. The various piston members are preferably controlled by a common unit to ensure coordinated action.

Abstract: A kitchen appliance, having an interchangeable tool attachment, such as a stirrer arm, and an interchangeable container attachment, such as a food chopper. The tool attachment has a base which is secured to the appliance through rotation of a rotatable tension ring assembly, surrounding a power takeoff shaft and a retainer ring, and includes a housing pivotally connected to the base. The container attachment is secured through recesses in its base which engage pins on the retainer ring. A locking bolt is provided on the container attachment which engages the cover thereof, the locking bolt being engageable in a locked position by a slide coupled to a power switch through a blocking rod whenever the power switch is actuated, such that the container attachment cover may not be removed with the appliance in an activated state.

Abstract: A food mixer having a stand with a mixer head pivotally mounted thereon for mixing foods is disclosed herein. The mixer includes means for cooling a drive assembly by drawing air in through a forward portion of the head and exhausting it out a bottom portion of the stand. The mixer is provided with a locking latch interconnecting the head and the stand in order to mix or knead properly heavy or viscous foods, such as bread dough. A pair of dough hooks, which are adapted to force dough away from the head during kneading, are detachably connectable to the head. A high outer wall turntable is rotatably supported on a base of the stand by a peripheral thrust bearing to provide a stable platform for a mixing bowl. Each mixing bowl used with the mixer has the same diameter bottom and lower contour regardless of bowl volume. A mechanical governor is connected to an electronic control to provide accurate motor speed regulation throughout the range of motor speed operation.

Abstract: A coupling arrangement for detachably connecting a driven unit to a drive unit, which is connected to the housing of a power source. Mounted to the housing is a frame, having any desired shape, being open toward the center, and comprising two flat pieces which are connected to one another along their outer peripheral edges. The inwardly directed portions of the pieces are spaced from one another to form a slot. A locking slide open toward the center and having no bottom side is insertable in the slot. The sides of the slide and the inwardly directed portions of the frame have grooves which are uniformly dimensioned and symmetrically distributed essentially identically to each other. In at least one not fully inserted position of the slide, its grooves are aligned with corresponding grooves of the frame pieces. A drive gear is rotatably mounted to said housing in the vicinity of the open center of the frame and is operatively connected to the power source.

Abstract: A portable pipe grooving apparatus includes a pair of mating rollers mounted upon a frame so as to be radially adjustable with respect to each other. One of the mating rollers is connected to a rotatable shaft which extends rearwardly from the apparatus so as to enable the apparatus to be coupled with a drive means which is removably associable with the shaft for rotating the one roller. The frame further includes a coupling means for detachably connecting the frame to the drive mechanism by projections carried by the drive means slidably engaging within annular socket elements, which socket elements also serve as supporting legs for the frame.

Abstract: This device consists primarily of an adjustable leg supported gear box, to which is hinged, a base plate to which is secured an electric motor, which will drive the input shaft of the gear box, the output shaft of the gear box being secured to clutch means, the sleeve of which will connect with a silo unloader, so as to provide heavy duty means of operating the silo unloader.

Abstract: A wheel spinner assembly used in dynamic balancing to spin the wheel to determine the magnitude and angular orientation of the imbalance. A motor and spinner are provided mounted on a support for pivoting the spinner into engagement with the wheel to be balanced. Also provided is a brake element that also has a pivotally mounted support so that the brake may be pivoted into engagement with the associated wheel after spinup. For the purpose of pivoting both the brake and the spinner selectively into engagement with the wheel to be balanced, a linkage assembly is provided including a first link connected to the spinner support and a second link pivotally connected to the first link at one end and the brake support at the other end. This linkage permits both the brake and the spinner to be operated by a common handle and also provides the operator with the proper leverage and feel during both braking and spinup.

Abstract: A power tool bench for operating a variety of power and manual shop tools; the power tool bench comprising:A. a bench;B. a motor mounted on the bench;C. slots positioned on the bench to slideably receive a tab positioned on one end of a tool to be mounted on the bench and an electromagnet positioned on the bench to maintain the other end of the tool in a desired position; and,D. a torque transmitter operatively engaging the motor and the tool.