Abstract: An articulating surgical instrument is disclosed, and includes an end effector and a drive assembly operably coupled with the end effector. The end effector includes a first drive shaft defining a first axis, and a second drive shaft operably engaged with and extending away from the first drive shaft. The second drive shaft is operably coupled with the end effector and defines a second axis, the second axis different from the first axis. The first drive shaft and the second drive shaft are pivotably arranged such that the first drive shaft and the second drive shaft are configured to transition between a first, substantially straight arrangement and a second, substantially perpendicular arrangement.
Abstract: A hand-held tool gear mechanism unit includes a drive gearwheel, an output gearwheel, and a connecting unit. The output gearwheel has a rotational axis spaced apart radially from a rotational axis of the drive gearwheel. The connecting unit is configured to transmit a rotational movement from the drive gearwheel to the output gearwheel substantially without a step-up transmission ratio. The connecting unit is configured to couple the drive gearwheel and the output gearwheel such that they can be moved relative to one another about a pivot axis.
Abstract: A gear configuration allows force (torque) coming from a drive shaft to be transmitted to a driven shaft through two hemispherical gears that are placed at the end of the shafts and touch each other in variable, but constantly equal distance from the poles. This constant equal distance from the poles can be maintained through synchronization gears that are positioned against each other on both sides of U-shaped elements.
Abstract: A machining assembly (1) comprising a drive unit (2) with a drive motor and a drive member rotatable by the drive motor, which drive member is rotatably arranged in a housing (6) of the drive unit, and a transmission unit (4) which is attached or attachable to the drive unit and comprises:—a housing (20);—a first rotatable member, which is configured for connection to the drive member and rotatable about a first axis of rotation;—a second rotatable member, which is configured for connection to a machining tool (5) and rotatable about a second axis of rotation extending in parallel with and at a distance from the first axis of rotation; and—a transmission mechanism for transmitting torque from the first rotatable member to the second rotatable member. The transmission unit is adjustable into different rotational positions in relation to the drive unit by pivoting the housing of the transmission unit in relation to the housing of the drive unit about a pivot axis coinciding with said first axis of rotation.
Abstract: The drive for a rotary drum according to the invention consists substantially of a. a ring gear, which can be fastened to the outer circumferential surface of the rotary drum for rotation therewith, b. a pinion meshing with the ring gear and arranged on a drive shaft for rotation therewith and for tilting movement, the pinion being held with its drive shaft in such a way that it can pivot relative to the ring gear, and c. a drive motor for driving the drive shaft In addition to the meshing, the pinion is also in interlocking rolling contact with the ring gear.
February 23, 2011
December 13, 2012
Gerhard Kästingschäfer, Johannes Auf Dem Venne
Abstract: An apparatus for positioning a gearbox in a wind energy plant, which gearbox is supported on a bearing structure of the wind energy plant by way of a torque support, wherein the torque support is mounted via at least one uncoupling element, which is arranged between torque support and bearing structure, wherein the torque support features at least one support body and an hydraulic apparatus with at least one hydraulic cylinder, by way of which the position of the support body is adjustable with respect to the bearing structure.
Abstract: A joint device includes a rotary shaft, two fixing members, two driving members, two transmission gears, and a link gear. The two driving members are respectively fixed to the two fixing members, and the two fixing members are pivoted to each other through the rotary shaft. The two driving members are respectively connected to and drive the two transmission gears. The link gear is pivoted to the rotary shaft and engaged with the two transmission gears respectively, so that the two driving members are in a transmission relation. The joint device adopts the combination of dual driving members and gear sets, thereby achieving the high reactivity and high load function.
March 24, 2011
April 5, 2012
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Abstract: The invention relates to a furniture drive for driving a movable piece of furniture, comprising an electric motor, an actuator that can be moved back and forth between two end positions to apply a force on the piece of furniture to be driven, and a gearbox connected between the electric motor and actuator, wherein the gearbox has at least one gear stage configured as an eccentric gearbox and comprising two gear wheels that mesh with each other, wherein one of the two gear wheels is firmly connected or coupled to the actuator and the other gear wheel is coupled to the electric motor such that the eccentric gearbox has two limit positions, which correspond to the end positions of the actuator, and upon a rotation of the gear wheels, starting from the limit positions, the gear ratio decreases over a deformed rotational angle range.
Abstract: An actuating drive for a bi-directionally adjustable actuator for at least on of an exhaust gas recirculation device and an exhaust gas turbocharger. The actuating drive includes an electric motor; a toggle lever, which articulates with the actuator via a first toggle lever bearing; and a gear mechanism, connecting the electric motor with the toggle lever, wherein the gear mechanism includes a toothing element on an output side mounted in a pivot bearing, wherein the toggle lever is articulating mounted via a second toggle lever bearing, wherein in a starting state of the actuating drive is associated with a starting position of the actuator, and wherein an acute angle exists between a first straight line extending through the first toggle lever bearing and through the second toggle lever bearing, and a second straight line extending through the pivot bearing and through the second toggle lever bearing.
Abstract: A robot with a body, at least one leg on each side of the body, and a hip connecting the leg to the body. The hip is configured to abduct and adduct the leg. A linkage is configured to rotate the leg along a predetermined path.
Abstract: Turning gear apparatus for rotating a shaft comprises a rotary drive arrangement and a transmission system including a pivot arm. The rotary drive arrangement is fixed, for example to a vessel hull, and the pivot arm is pivotable between a first, shaft-disengaged, position and a second, shaft-engaged position where the rotary drive arrangement is operably coupled to the shaft, thereby permitting control over rotation of the shaft by the rotary drive arrangement.
Abstract: The present invention pertains generally to a self-locking gear that includes an input shaft, a collar, a locking mechanism, and an output member. The collar is positioned eccentrically about the input shaft, and the locking mechanism prevents the collar from rotating. As a result, rotation of the input shaft causes the collar to gyrate about the input shaft, and the gyrating collar engages with the output member to turn the output member in the same direction as the input shaft. Torque applied to the output member with cause the output member to attempt to rotate the collar. However, the locking mechanism prevents the collar from rotating, thus locking the output member from rotation.
Abstract: A device for handling cars (100) in multistorey car parks is described. The device includes a front carriage (1) able to be positioned opposite the front wheels (101) of the car so as to raise them and a rear carriage (2) able to be positioned opposite the rear wheels (102) of the car so as to raise them, in such a way as to be able to move the car (100). Each carriage (1, 2) has a main frame (14) supporting gripping members (15) able to support the wheels (101, 102) of the car and a secondary frame (16) which is pivotably mounted, along a transverse axis, on the main frame (14). The secondary frame (16) is joined to the main frame (14) in a compass-joint relationship by respective pinions (20) and gearwheels (21) which are rotationally actuated by elements of a drive (17) so as to obtain raising/lowering of the main frame (14).
Abstract: An electric motor 1 and a worm gear 11 were housed in a case, an output shaft 2 of the electric motor 1 and a fitting hole 11C of the worm gear 11 were fitted so as to be capable of freely transmitting torque and of freely moving relatively in a direction of an axis X, and a tip of the output shaft 2 and an inner end of the fitting hole 11C set a gap D of separation in the direction of the axis X. Furthermore, a support section 30 making contact with an end section of a shaft section 11A of the worm gear 11 at the side of the electric motor 1 thereof was provided inside the case, and a thrust force resulting from dynamic inertia of the wheel gear 11 upon stopping of the electric motor 1 and acting on the worm gear 11 was borne by the support section 30.
Abstract: The present gear mechanism includes a base body member (27), a first gear (21, 22) supported on the base body member (27) so as to rotate about a first rotational axis (L2, L3), a second gear (23) capable of being meshed with the first gear (21, 22), a support member (26) supporting the second gear (23) so as to rotate about a second rotational axis (L4) and placed on the base body member (27) so as to be movable in approaching and leaving directions respectively toward and away from the first rotational axis (L2, L3), and a retaining member (32) engaged in a threaded hole formed in the base body member (27) and capable of being turned so as to move in the approaching and leaving directions, and directly or indirectly engaged with the support member (26) to restrain the support member (26) from moving in the leaving direction away from the first rotational axis (L2, L3).
Abstract: An apparatus and method for providing a counterbalance for a linkage assembly. The apparatus and method includes a frame, at least one linkage movably connected to the frame, the at least one linkage defining the linkage assembly, at least one actuator for moving the linkage assembly, and an energy storing device connected to the frame and engaged by the linkage assembly, wherein the energy storing device stores energy from the linkage assembly during engagement and provides the stored energy to counterbalance the weight of the linkage assembly.
Abstract: In a rack and pinion type steering apparatus whose housing includes a pinion accommodating portion, a rack accommodating portion, a radial opening defining a rack guide hole, and a projecting portion which is formed on the side of the rack accommodating portion opposite the rack guide hole. The radial opening is covered by a plug that is fixed by swaging. The projecting portion has a contact surface being received on a jig when the plug is fixed to the housing by swaging. Therefore, the reaction of the swaging from the jig does not directly affect the pinion accommodating portion.
Abstract: A force sense imparting type input apparatus includes an operation portion, an actuator for imparting a force sense to the operation portion, a position sensor for detecting an operating direction and an operating quantity of the operation portion, a temperature sensor for detecting a temperature of the actuator, and a controller for acquiring a position signal and a temperature signal and outputting driving signal of the actuator. A correction control portion provided to the controller determines a calorific value of the actuator from the temperature signal, then a correction value of driving power supplied to the actuator from the calorific value so calculated, adds a correction value of driving power of the actuator at the time of a normal operation and decides driving power of the actuator at the time of over-heat.
Abstract: A multi-axis spindle head for a machine tool has a spindle drive motor mounted in a sphere (4) with the motor axis extending radially and the sphere (4) is articulated to move about two orthogonal axes by virtue of being mounted in a gimbal ring (10) providing for pivotal movement of the sphere about one axis, and by virtue of the gimbal ring (10) being mounted in a mounting ring (1) providing for pivotal movement of the gimbal ring about an orthogonal axis. Ball screw drive motors (3, 5) provide for controlled movement of the sphere relative to the gimbal ring and of the gimbal ring relative to the mounting ring so as to provide the spindle drive motor with all five degrees of freedom of movement.
Abstract: A self-contained speed control device and system, primarily for electric and hybrid vehicles, includes a self-contained mechanical variable-speed control device. The device allows the motor to run constantly at its most efficient speed and temperature. The device is mechanically operated and connected to the motor and drive train. Speed is controlled by means of an accelerator cable connected to the device. When the accelerator is in the low or idle position, the torque is multiplied or increased instead of decreased, lessening the load on the motor, without additional load on the batteries. A continuous gear and slide arrangement creates a constantly variable speed combination, without interruption, giving the electric motor the feel of an internal combustion engine, without the disadvantage of building torque.
Abstract: The device comprises an arm consisting of a number of consecutive segments fixed with one of its ends, to a first pivot protruding from a structure and made revolving so to bring about the oscillation of the arm, with a member supported in revolving mount by a second pivot fastened to the free end of the support, having its lower part extending circumferentially and provided with a toothing which engages with a worm screw supported by the support and dragged to rotation by a number of shafts, bevel gear pairs, supported by the arm and with their terminal end suited to coupled with a sector of crown gear fastened to the structure and concentrical as to the first pivot, so that, following the rotation of the first pivot in either sense the member is subjected to a rotation having the same angular amplitude and opposite direction.
Abstract: An apparatus for converting an oscillatory motion to a linear sliding motion comprises a slide block provided for reciprocatory sliding movement along a linear path and an oscillating shaft. An oscillating arm is adopted to oscillate about the axis of the oscillating shaft. The oscillating arm connects said oscillating shaft to the slide block. An adjusting device is provided on the oscillating arm for adjusting a sliding stroke of the slide block with respect to an angle of rotation of the oscillating shaft. Also, a counting and indicating device is provided on the oscillating arm for counting and indicating an amount of sliding stroke of the slide block.
Abstract: A turning gear apparatus mounted adjacent the bull gear of a large turbomachine rotor has a carriage pivotably mounted to the frame, a first pinion rotatably mounted on the carriage, and a second pinion continuously engaging the first pinion and rotatably mounted to the frame coaxial with the carriage pivoting axis. The improvement comprises locating the carriage on the side of the bull gear where it rotates in an upward direction, with the axis of the second pinion located such that when the carriage is pivoted and the first pinion engages the bull gear, the axis of rotation of the first pinion is located on a selected angle below the horizintal substantially equal to the pressure angle of the bull gear tooth, resulting in substantially vertical reaction forces.
Abstract: An automatic reverse mechanism for a tape recorder includes capstans, pinch rollers and reel shafts arranged respectively on both sides of an associated magnetic head. The mechanism also includes rotation transmitting members arranged symmetrically relative to the magnetic head, eccentric circular cam surfaces provided respectively about the shafts of the rotation transmitting members, and cam members having outwardly-arcuate cam surfaces and provided respectively on the rotation transmitting members with an interval between the cam members and the eccentric circular cam surfaces. The outwardly-arcuate cam surfaces are located on the sides opposite to the peripheral surfaces of the corresponding eccentric circular cam surfaces. The mechanism also includes cam followers arranged symmetrically relative to the magnetic head so as to receive the rotation of the corresponding reel shafts via corresponding friction mechanisms and a pinch roller changeover mechanism.
Abstract: Clutch means for changing inductance of a push-button tuner which is compact in size and adapted for use with a tape recorder. The mechanism includes flat slidable cam plates provided with cam portions at the front portions thereof, which are arranged horizontally and slidably through holes of side walls and a push-button assembly slidably arranged in front and rear walls, which is equipped with a channeling plate pivotably mounted thereon, the position of which may be set at a desired angle by means of the operation of a manual shaft when a clutch mechanism is engaged.
Abstract: A load-splitting transmission has its drive shaft journaled with respect to the housing in an axial bearing and supported only by a radial bearing forming part of the clutch connecting said drive shaft to the output shaft of an engine so that the axis of the drive shaft is swingable relative to the housing. The drive shaft carries a drive gear which meshes with a pair of load-splitting gears so that the swinging movement allows torque compensation between the two drive trains of which the load-splitting gears are a part.
Abstract: The specification of the present application discloses a geared hub for use in transmitting power to the wheels of a vehicle. The geared hub is particularly useful for all terrain type vehicles where high strength and reliability are required. The hub uses a one-piece cast housing having various access openings to allow assembly of the unit. The one-piece housing defines an elongated gear chamber which extends generally perpendicular to the wheel spindle. Three access ports are provided; one for supporting the wheel spindle, a second port for allowing the insertion of an input pinion and input shaft, and a third port for allowing insertion of the output gear. The first two ports are located in the end walls of the gear chamber with the third port located in the sidewall of the gear chamber. The unique design, according to the present invention, results in an inherently strong and durable hub having reduced manufacturing and assembly costs.
Abstract: A turning device preferably for turbine-machines is disclosed having a turning-gear pinion arranged on a cam so that the axes of rotation of the cam, the turning-gear pinion and the shaft to be turned are aligned in a central line. To turn the shaft, the turning-gear pinion is caused to engage a toothed ring of the shaft by a hydraulic piston acting on the cam. The turning-gear piston is then held in the engaged position by a spring-loaded pressure cylinder which engages a catch of the cam. When a certain speed has been reached, or when the shaft is turning backward, the spring loaded pressure cylinder becomes disengaged from the catch and the turning-gear pinion swings out sideways.
Abstract: In a torque support arrangement for a gear mounted so as to be movable about a pivot axis, wherein the gear is supported against the base on both sides of the pivot axis by an elastic supporting arrangement, the supporting arrangement includes a pressure-medium piston-cylinder to which pressure gas is admitted and whose position relative to the base is adjustable by means of an adjustment device.
Abstract: An apparatus and method are provided for effectively moving and stirring grain in a storage bin. The apparatus comprises a sweep arm, including an auger support shaft and an independently rotatable drive member, that extends between and is supported on a track along the bin sidewall and a pivotal support at the bin center. As the drive member is rotated, a drive wheel thereon moves over the bin track, causing the sweep arm to travel around the bin. The support shaft is rotatable independently of the drive member and extends from the central frame to a location adjacent the bin track. A plurality of spaced stirring augers depend from the laterally extending support shaft, and all except the outermost one are adapted for movement therealong. Rotation of the support shaft in either direction will cause corresponding movement of the movable stirring augers along the sweep arm. The outer auger remains near the outer wall of the bin.
Abstract: A wide-angle joint for use in torque transmission couplings between a driving vehicle, such as a tractor, and a driven implement, such as an agricultural machine, includes a pair of universal joints, one connected to the driving vehicle and the other to the driven implement, interconnected by a double inner yoke. The yoke has outer limbs associated with each of the universal joints. Two gear segment pairs, disposed in meshed engagement are supported on the outer limbs of the yoke, each associated with a different universal joint. The gear segment pairs execute a joint rolling movement in a tilting plane disposed at an angle of more than 0.degree. and less than 90.degree. relative to surface over which the driving vehicle travels. An elongated spring is connected at one of its ends to the wide-angle joint and at its other end to an attachment between the vehicle and the implements. The spring maintains the tilting plane of the gear segment pairs at the desired angle.
Abstract: A disengageable transmission device is provided in which a driving pinion is used to selectively drive a driven wheel via a wheel train mounted on pivotal lever. The fulcrum of the pivotal lever is positioned so as to minimize the rotational torque effects on the wheel train lever of the contact between the driving pinion and the wheel train and of the contact between the driven wheel and the wheel train. An energy escapement control device is also provided and the torque effects of this device on the wheel train lever are also limited by the positioning of the fulcrum of the lever.
Abstract: A communication set tuner has a control member which varies the tuning status of the set; a rotatable input member is provided for driving the control member; the driving connection between the input member and the control member is so designed that the input member may be positioned on the set in any one of a large plurality of available positions. Thus a single driving mechanism structure may be provided which can be used in many different set environments calling for specifically different locations of the input member.
Abstract: A self-contained modular pivot mechanism notably for automation and robot structures to enable a second machine element to perform any desired movement of rotation in relation to a first machine element through a distortion-wave harmonic reduction gear driven from a hydraulic motor secured through a shaft to the device driving said gear.
Abstract: An adjustably lockable hinge for motor-vehicle seats comprises first and second hinge elements and a pintle between these elements defining a pivot axis therefor. A first arcuate row of equispaced first abutments is carried on the first element spaced from the main axis and facing axially in one direction. A body carrying a second arcuate row of equispaced second abutments facing axially from the body opposite to the one direction and axially aligned with the first row is rotationally linked to the second element. The abutments of the second row are spaced apart by a predetermined distance different from the spacing between the first elements, so that only a limited number of the second abutments can mesh at one time with the first abutments. An adjustment device rotatable about the axis relative to the elements is engageable with the body for precession of the second row on the first row. These rows may be annular arrays of gear-type teeth and the body may be a ring around the hinge pintle.