Abstract: The present invention relates to a device (1) for setting the drive position of an electric drive of a boat, having a housing (14) with two receiving elements (15a, 15b) arranged on two opposing side walls (140) of the housing (14) for defining a pivot axis (17) and a drive lever (10) that can be pivoted around this pivot axis (17), wherein the drive lever (10) is received by two receiving elements (15a. 15b).

Abstract: An unmanned aerial vehicle (UAV), and specifically discloses a UAV transport box. The UAV transport box has a mounting frame, a box body, a driving device, and a control system. The box body has a bottom plate and a side plate, the bottom plate is fixedly installed on the mounting frame, the UAV is arranged on the bottom plate, and the side plate can be unfolded through the driving device, so that the side plate and the bottom plate are in the same plane to form an area which is large enough to provide a suitable take-off and landing platform for the UAV, and can realize the automatic opening and closing for the UAV transport box.

Abstract: A mechanical converter for converting rotary motion to reciprocating motion, and vice versa, featuring a gear rack, one or more half-gears alternately engaged with the gear rack, the gear rack configured to produce reciprocating motion in response to the alternate engagement with the one or more half-gears.

Abstract: An apparatus for emptying and filling horizontal freezers, which includes a first and a second chain actuator, the chain actuators being arranged parallel to each other and parallel to an y axis, the chain actuators having first and second ends, a sliding beam arranged between the first and second chain actuators nearby, or at, the first end of the first and second chain actuators, and a feeding arrangement for retracting the first and second chain actuators from an extended configuration to a collapsed configuration and for extending the chain actuators from a collapsed configuration to an extended configuration.

Abstract: A steering apparatus includes a first pinion, an internal gear engaged with the first pinion, a second pinion fixed relative to the internal gear, a first gear engaged with the second pinion, a third pinion fixed relative to the first gear, and a steering rack meshed with the third pinion.

Abstract: An internal combustion engine includes a cylinder block defining a cylinder and a crankshaft rotatably received by the cylinder block. The crankshaft includes a crankshaft gear and is configured to rotate along a longitudinal axis of the crankshaft. The engine further includes a piston configured to reciprocate within the cylinder between spaced stroke termination points defining a stroke of the piston. The engine also includes a connecting rod operably coupled to the piston. The connecting rod includes a gear configured to engage the crankshaft gear, wherein the crankshaft gear and the gear of the connecting rod are configured to engage one another, such that as the piston travels within the cylinder, the connecting rod rotates the crankshaft via engagement between the crankshaft gear and the gear of the connecting rod.

Abstract: When six transmission units of a vehicle power transmission device are defined as unit #1, unit #2, unit #3, unit #4, unit #5 and unit #6 in order from one end side in the axial direction toward the other end side, the phase of unit #6 relative to the phase of unit #1, the phase of unit #2 relative to the phase of unit #6, the phase of unit #4 relative to the phase of unit #2, the phase of unit #3 relative to the phase of unit #4, the phase of unit #5 relative to the phase of unit #3, and the phase of unit #1 relative to the phase of unit #5 are each displaced by 60° in the same direction, and therefore, even if an unbalanced load due to centrifugal force acting on eccentric disks of each of the transmission units is generated, it is possible to minimize the load acting on bearings supporting opposite ends of the input shaft and reduce the vibration.

Abstract: Phase gear and lever mechanism converts reciprocating power to rotary power with phase gear providing power stroke of greater duration than travel stroke so as to develop efficient power through a power stroke. A modified lever and gear mechanism converts reciprocating power to rotary power at variable out power ratio. Both converting mechanisms are applied as bicycle drive mechanisms. Both mechanisms are applied together in a bicycle one as a drive mechanism, the other for synchronizing the drive mechanism.

Abstract: A powered dispensing tool includes a housing, a motor at least partially positioned within the housing, a rack operably coupled to the motor for powered translation, and a transmission selectively operably coupling the motor and the rack. The transmission includes an output shaft rotatable in response to rotation of the motor, and an output member drivably coupled to the rack and supported on the output shaft for relative rotation therewith. The transmission also includes a clutch member coupled for co-rotation with the output shaft and movable along the output shaft between a first position, in which the clutch member is engaged with the output member for transferring torque from the output shaft to the output member, and a second position, in which the clutch member is disengaged from the output member to inhibit torque transfer between the output shaft and the output member.

Abstract: A gear mechanism may include a first gear, a second gear which is coaxially disposed with the first gear and is provided with a recessed part on an end face of a first gear side, and a torque limiter provided between the first gear and the second gear. The torque limiter includes inner teeth provided on a ring-shaped inner peripheral face of the recessed part, and a torque limiter member provided with an engaging claw capable of engaging with the inner teeth and integrally rotating with the first gear in the recessed part. The second gear is an inclined teeth gear whose teeth bottoms are inclined with respect to an axial line direction and teeth bottoms of the inner teeth are extended in parallel with the axial line direction.

Abstract: A drive device for a movement unit of a machine tool includes a first toothed element driven by a drive motor and provided as a drive pinion including a first tooth arrangement and a second toothed element provided as a toothed rack including a second tooth arrangement. One of the first and second toothed elements is connected to a machine frame, and the other of the first and second toothed elements is connected to the movement unit. The first and second toothed elements are moved relative to each other along a movement axis of the first and second toothed elements by the drive motor via a meshing between the first and second tooth arrangements and via an engagement between the first and second tooth arrangements along an engagement axis that extends perpendicularly to the movement axis.

Abstract: Where access doors are used for pets, poultry, farm animals, traps, or human access, this invention describes a drive mechanism for moving the door. The access door panel could be applied to a cage, house, coop, trap, feed receptacle, or other application. The drive mechanism of the automatic door is described here as a sprocket that directly engages with the movable door panel. Manufacture of the sprocket and door panel is such that can be punched from raw sheet metal and not requiring precision milling processes. The function provides opening and closing by sliding or swiveling the door panel. Holding the door panel in place is an important additional function of the direct drive mechanism of this invention.

Abstract: A rack bush, which constitutes a rack and pinion type steering system and supports a rack shaft in which rack teeth are formed at one circumferential portion, includes a bush main body and a rigidity reducing portion. The bush main body has an annular shape into which the rack shaft is inserted. The bush main body is divided, in a circumferential direction, into two portions including a rack teeth-side portion located on the same side as the rack teeth in the circumferential direction and a back face-side portion other than the rack teeth-side portion. The rigidity reducing portion is provided in the rack teeth-side portion, and makes a rigidity of the rack teeth-side portion lower than a rigidity of the back face-side portion.

Abstract: A rack bar supporting device is a device for supporting a rack bar of a steering apparatus of a vehicle toward a pinion shaft and includes a rack bearing and a biasing assembly. The biasing assembly includes an adjustment plug, an adjustment assembly and a support plate assembly. The adjustment assembly includes an adjustment member and a first biasing member. The support plate assembly includes a first support plate, a second support plate, a second biasing member which provides a force for pushing the first support plate along the biasing axis against the second support plate, and a connection structure which connects the first and the second support plates together so as to restrict movement of the second plate in a direction away from the rack bearing.

Abstract: The invention relates to a steering actuator piston with a rack (6) for an aircraft landing gear (1) characterized in that the piston comprises a body (10) made of a lightweight alloy having an externally threaded main span (11) terminated on one side by a shoulder (12) and extended on the other side by a skirt (13), the body having screwed to it a tapped bronze bushing having on its outer wall at least one groove for receiving a seal, the skirt having a drilling to receive a pin for securing the piston to the rack, the bushing extending in service between the shoulder and the pin so that it is retained axially between the shoulder and the pin.

Abstract: A blank is provided with a first shaft portion, a second shaft portion, and a machining target portion. The machining target portion is formed at a position closer to a shaft end portion of the first shaft portion than a shaft end portion of the second shaft portion. A first large-volume portion is formed at the first end portion of the machining target portion close to the first shaft portion, and a second large-volume portion is formed at the second end portion of the machining target portion close to the second shaft portion, respectively. The volumes per unit length of the first and second large-volume portions are greater than the volume per unit length of the intermediate portion in the axial direction of the machining target portion. Furthermore, the volume of the second large-volume portion is greater than the overall volume of the first large-volume portion.

Abstract: Construction is achieved that is able to effectively prevent the displacement in the axial direction of a ball bearing 16 that supports the middle section of a pinion shaft 6 so as to be able to rotate freely, and that is compact and low cost. A fastening groove 28b is formed around the entire circumference of a portion near an opening of the inner circumferential surface of a sub housing section 12c of a casing 10c, and a radially outside portion of a C-shaped retaining ring 29b is fastened in this fastening groove 28b. As a result, a side surface in the axial direction of a radially inside portion of the retaining ring 29b is pressed against a side surface in the axial direction of an outer ring 18 of a ball bearing 16 that is fitted inside and supported by the inner circumferential surface of the sub housing section 12c.

Abstract: A device for pressing a first transmission element onto a second transmission element engaging in the first transmission element, in particular for a rack-and-pinion steering system of a motor vehicle, comprising a pressure piece that can be loaded in the direction of the first transmission element by at least one spring element and is displaceably guided in a housing, wherein the spring element is produced from at least one dilatant elastomer.

Abstract: An apparatus is disclosed for propelling a coil clad hose through a passage through a housing. A first driven pair of bull gears sandwiching a rotatable drive sprocket is rotatably fixed to a first rotatable axle in the housing orthogonal to the passage. A second pair of bull gears sandwiching a second drive sprocket are all rotatably fastened to a second axle in the housing parallel to the first axle. The second pair of bull gears mesh with the first pair of spaced bull gears. Teeth on the drive sprockets engage part of the coil clad hose when the fluid hose is inserted into the passage. A slip clutch between the pairs of spaced bull gears and the drive sprocket on each of the axles adjusts frictional grip on the coil when one of the bull gears is driven to propel the hose through the passage.

Abstract: The present invention relates to a reducer including a planetary gear and a steering apparatus of a vehicle including the same, and more particularly to a reducer including a planetary gear which can compensate a gap generated by wear of gear teeth of planet gears, sun gears, and ring gears, and a steering apparatus of a vehicle including the same.

Abstract: A rotary-to-linear motion actuator having helical bevel gear and methods of use thereof are described. The actuator may be utilized with an apparatus for managing a fluid flow passage between one or more input ports and output ports. A pinion gear engages, and during operation turns, a bevel ring gear arranged on a helical path along an external periphery of a sleeve retaining a seat, which forms a fixed orifice. The teeth of the bevel gear are arranged on the helical path at the same pitch as external threads on the sleeve, which in turn, engage internal threads in an apparatus body. The area of the flow passage is changed by movement of the fixed seat orifice axially with respect to a contoured plug assembly. The threads of the sleeve and the body resist axial load imparted by the pressure drop across at the fixed orifice.

Abstract: The invention relates to a compact linear roller guide which makes it possible to transmit high forces and torques between a carriage (1) and a guide rail (3). The carriage (1) comprises two or more pairs of ribbed rollers (2), rotatably supported on the side walls of the carriage by means of bearings, between which the rail (3) is inserted, with a complementary cross-section, The simultaneous contact of the planar and convex surfaces of the rail (3) with the cylindrical and concave surfaces of the rollers (2) enables uniform distribution of the loads on said bearings and a compact configuration of the guide.

Abstract: A gate release apparatus of an automatic pill dispenser includes a base, a gate, a release assembly, a resisting member, a gear assembly, and a resilient member. The base includes a bottom plate and a ring plate. The ring plate defines an opening. The gate is configured to cover the opening. The gear assembly includes a swing gear. The door includes a rack. The resisting member resists the release assembly in the first position, and the release assembly resists the gear assembly to enable the swing gear to engage with the rack. To disengage from the gear from the gear assembly the release assembly is rotated by the resilient member thereby disengaging the swing from the rack when the resisting member is in a second position.

Abstract: A steering system having a pinion and an input shaft is disclosed. The pinion includes an outer surface and at least one pinion stop tooth located along the outer surface. The at least one pinion stop tooth has a pair of pinion pressure surfaces. The input shaft defines a recess configured for receiving the pinion. The input shaft includes an inner surface located within the recess and at least one shaft stop tooth located along the inner surface. The at least one shaft stop tooth has a pair of shaft pressure surfaces. A specific shaft pressure surface is positioned to generally oppose a specific pinion pressure surface, and the specific shaft pressure surface and the specific pinion pressure surface are generally parallel to one another.

Abstract: A rack bar support device supports a rack bar of a steering device of a vehicle toward a pinion shaft, and includes a rack bearing which is disposed opposite the pinion to contact the rack bar and a biasing assembly providing a force of pushing the rack bearing along a biasing axis toward the rack bar to urge the rack bearing to push the rack bar is engaged with the pinion shaft. The biasing assembly includes an adjustment plug, an adjustment assembly and a support plate assembly. The support plate assembly includes a support plate which is movably disposed between the adjustment member and the rack bearing in a state of being supported by the adjustment member, and a gap is formed between the support plate and the rack bearing.

Abstract: A continuously variable transmission (CVT) can include a rotary cam member defining an internal cam surface operably engaged with a cam follower assembly for generating a displacement waveform with a constant velocity portion. A ratio control assembly can restrain the cam follower assembly for reciprocal linear movement and can scale the reciprocal linear movement between at least 0% and 100%, inclusive, in response to an angular orientation of the ratio control assembly. An output assembly can convert the scaled reciprocal linear movement into rotary movement of an output shaft. A CVT method can include generating a periodic displacement waveform with a constant velocity portion, scaling the periodic displacement waveform between at least 0% and 100%, inclusive, with a ratio plate, where the scaling is in response to an angular orientation of the ratio plate, and converting the reciprocal linear movement into rotary output with a combiner.

Abstract: Rotary lance drives for rotating a lance for injecting gas and powdered reagents into molten metal include a reciprocating rotary lance drive and an associated method. A lance mount which facilitates loading of a lance into a lance drive is also disclosed. Various lance designs are described for improving dispersion of reagent and decreasing process time, including lances having non-circular refractory portions and lances having cross-port arrangements for more evenly distributed reagent discharge.

Abstract: A vacuum powered deposition apparatus including a driving unit, a linear motion unit coupled to the driving unit and configured to move linearly according to operation of the driving unit, and an angle restriction unit coupled to the linear motion unit and configured to move in a direction perpendicular to that of the linear motion unit according to movement of the linear motion unit.

Abstract: A synchronisation device stabilizes the running behavior of a drawer in a furniture body, and includes a synchronising rod. The synchronising rod has a longitudinal axis, and the device further includes two tracking gearwheels that engage in two racks of a rail pull-out guide. A rotary movement of the two tracking gearwheels is coupled to a rotary movement of the synchronising rod, and the rotational axes of all tracking gearwheels are spaced at a distance from the longitudinal axis of the synchronising rod.

Abstract: A catheter rotation drive apparatus includes first and second drives that are engageable to an output shaft. When the first drive is engaged to the output shaft and rotated, the output shaft rotates in an output rotation direction, and when the second drive is engaged to the output shaft and rotated, the output shaft rotates in the output rotation direction.

Abstract: A wear compensator assembly configured for exerting a predetermined biasing force on a rack and a pinion shaft of a steering gear assembly is disclosed. The wear compensator assembly includes a cam member having a seating surface and a biasing member seated against the seating surface of the cam member. The biasing member is configured to be compressed by a predetermined amount and to exert the predetermined biasing force.

Abstract: The invention relates to a rack and pinion steering gear for a motor vehicle, having a steering pinion (1), which is connected to a steering shaft and is engaged with a gear rack (2) which is movably mounted in a housing (3), and having a pressure piece (8), which is arranged in the housing (3) in a pressure piece bore (7) and keeps the gear rack (2) engaged free from play with the steering pinion (1), and a pressure piece (8) for a rack and pinion steering gear, wherein the pressure piece (8) has an outer metallic casing (15) which is inserted with a press fit into the pressure piece bore (7), at least one elastomer damping element, in particular an elastomer casing (14), is arranged in the metallic casing (15) and a metallic pressure piece core is arranged which is enclosed by the at least one elastomer damping element.

Abstract: A drive assembly is provided. The drive assembly includes a gear housing comprising a. support surface for a hand of a user, a gear drive mechanism disposed within the gear housing, and a handle member disposed on the gear housing proximate to the support surface. The gear drive mechanism includes a first drive gear rotatable about a first axis of rotation and engaged to the handle member, a second drive gear rotatable about a second axis of rotation, and a driven member engaged to the implement and driven by the second drive gear about a third axis of rotation that extends through the support surface. The driven member is disposed at least partially outside of the gear housing and is driven only when the handle member is moved from an unfired position to a fired position. The handle member does not cross the third axis of rotation during such movement.

Abstract: A steering system includes: a housing; a rack shaft extending in an axial direction so as to pass through the housing and including a first rack and a second rack on its outer circumference so that they are separated from each other in the axial direction; a first pinion shaft including a first pinion that has helical teeth and meshes with the first rack; a second pinion shaft including a second pinion that has helical teeth and meshes with the second rack, the second pinion shaft being placed on the same side as the first pinion shaft; and a rack bush placed between the pinion shafts in the axial direction of the rack shaft, held by the housing so as to support the rack shaft slidably in the axial direction, and limiting a movement of the rack shaft in a direction substantially parallel to both of the pinion shafts.

Abstract: A link member includes a first pin hole, a second pin hole, a first engaging portion, and a second engaging portion. The second pin hole is an elongated hole extending in a longitudinal direction of a two-way push-pull chain. The pin is movably inserted into the second pin hole and fixed to the first pin hole. With the pin being movably inserted into the second pin hole, adjacent link members are expandable and contractible relative to each other by a length. The length is greater than a length of a portion where the first engaging portion contacts the second engaging portion in a state where the adjacent link members are contracted relative to each other.

Abstract: A positioning device includes a base and two positioning mechanisms oppositely positioned on the base to position a workpiece. Each positioning mechanism includes a driver positioned on the base, a mounting member mounted on the base, a gear rack, a gear, and a positioning member. The mounting member defines a sliding groove. The gear rack slidably is received in the sliding groove and connected with the driver. The gear is rotatably connected with the mounting member and is meshed with the gear rack. The positioning member is fixedly-connected with the gear. The driver drives the gear rack to slide along the sliding groove to make the positioning member rotate and outstretch into an interior of the workpiece. The drivers drive two positioning members apply two opposite forces on the workpiece to positioning the workpiece.

Abstract: A method of producing a rack is proposed, which comprises aligning a first bar piece, an intermediate piece and a second bar piece in order along a common axis; carrying out a first process in which the first and second bar pieces are stationarily held while showing a predetermined intersection angle between the first rack teeth on the first bar piece and the second rack teeth on the second bar piece; and carrying out a second process in which each of the first and second bar pieces and the intermediate piece are brought into contact with each other at mutually facing ends and subjected to a relative rotation therebetween for a friction welding thereby to join the first bar piece, the intermediate piece and the second bar piece together by the friction welding.

Abstract: Disclosed is a rack-pinion type steering apparatus. According to the present invention, since air can flow into the interior of a gearbox from the exterior of the gearbox, unlike in the conventional structure in which an internal air flow into the gearbox is blocked at a portion of a rack-pinion type steering apparatus connected with the gearbox through a rack housing and a bellows, a problem of increasing internal pressure of the bellows in a predetermined case can be solved, and accordingly, generation of noise due to the collision between an inner peripheral surface of the bellows and an inner ball joint can be prevented.

Abstract: Provided is an interlocking chain unit configured such that chains reliably and firmly engage with each other and that the buckling and twisting of a rigidified chain portion are avoided. An interlocking chain unit is configured such that the outer edges of a plate overlap region (P) are defined by contact portion faces and flat buckling restricting end faces, and that the plate overlap region (P) is constructed from the outlines of two plate overlap portions (Pa, Pa) which are point-point-symmetric about the point (C) of intersection between hook-shaped interlocking end faces and the buckling restricting end faces .

Abstract: Pressure piece (9) of a rack-and-pinion steering system, wherein the pressure piece (9) can be pressed along a pressure axis (D) against a rack (5), wherein the pressure piece (9) has a guide (14) for the rack (5) along its rack axis (Z), wherein an adjusting device (17) for adjusting the guide (14) of the pressure piece (9) along an adjusting axis (S) is provided, wherein the adjusting axis (S) intersects a plane containing the pressure axis (D) and also the rack axis (Z). It is possible to place the rack (5) off-axis in a targeted manner in order to reduce unwanted noise.

Abstract: A drive system is provided for rotating a biopsy member. The drive system includes a pinion connected to the biopsy member and a rack that drives the pinion during a drive stroke. During the return stroke, the rack rotates away from the pinion so that the rack is not engaged with the pinion during the return stroke. Thus, the pinion is only driven during the drive stroke but not during the return stroke. As a result, the biopsy member rotates in a single direction as a trigger is repeatedly pressed and released.

Abstract: A multifunctional printer and an automatically opening or closing cover device are provided. The multifunctional printer includes a main body and the automatically opening or closing cover device. The main body includes a housing and a cover pivoted to the housing, wherein the housing includes an opening. The cover includes a first protrusion and a second protrusion protruding to the inner of the housing and being located in the opening. The automatically opening or closing cover device is disposed in the main body and includes a gear and a sliding element. The sliding element includes a body portion, a driving portion and a driven portion, wherein the driving portion and the driven portion are disposed on opposite sides of the body portion, and the driving portion engages with the gear.

Abstract: Systems and methods for controlling the speed and direction of vehicles such as tractors.

Abstract: A rack shaft supporting device includes a support yoke, a plug that closes the other opening of an accommodation chamber, a ball screw mechanism between the support yoke and the plug, and a torsion urging member between the ball screw mechanism and the plug. The ball screw mechanism includes: a first threaded portion in which a first thread groove is formed; a second threaded portion in which a second thread groove is formed; and balls arranged in a rolling path formed of the first thread groove and the second thread groove. The torsion urging member rotates the second threaded portion relative to the plug and moves the second threaded portion toward the support yoke.

Abstract: A transmission mechanism includes a guide rod, a gear assembly meshed with the guide rod, a blocking member attached to the guide rod, and a resilient member. The resilient member surrounds the guide rod. A first end of the resilient member abuts the blocking member, and a second end opposite to the first end is configured to abut a printer. The resilient member drives the guide rod to rotate the gear assembly.

Abstract: A rack shaft support device includes: a support yoke, a plug, an intermediate cam component and a rotation force generating spring. The plug includes a plug body, a plug cap component and a locknut. The plug body has a plug fixing portion, a plug back wall portion, a plug cam portion, a plug internal space and a first restricting portion. The first restricting portion has a first body portion and a first facing portion. The intermediate cam component includes an intermediate cam body, an intermediate cam portion and a second restricting portion. The second restricting portion has a second body portion and a second facing portion. The second facing portion faces the first facing portion.

Abstract: An interlocking chain type forward and backward actuating device is provided that does not increase workload involved in assembling the device, adjusting the rotation phase, and servicing and maintaining the device. The device is capable of smoothly actuating a driven body by advancing and retracting the body, and of preventing any pulsation or the like of the meshing chain.

Abstract: The invention relates to a rack and pinion steering system for a motor vehicle, comprising a steering box (2) in which a rack is displaceably mounted, and a thrust piece bore (1) accommodating a thrust piece which is forced against the rack by means of a set screw (11) screwed into a thread zone (6, 7). The invention is characterised in that a groove (8) is cut in the thread zone (6, 7) of the thrust piece bore radially outwards and a sealing ring (16) is inserted in said groove (8).

Abstract: The rack shaft supporting apparatus includes a support yoke, a plug, a torsion spring or a spiral spring and a guide bush. A plug cam portion of the plug includes three plug cam surfaces. A yoke cam portion of the support yoke includes three yoke cam surfaces having a shape corresponding to that of the plug cam surfaces. The yoke cam surface contacts to the plug cam surface. The torsion spring or the spiral spring imparts force rotating the yoke cam portion against the plug cam portion to the support yoke. The guide bush includes a bush body and an arm portion. The bush body is fixed to the housing. The arm portion supports a side portion of the rack shaft.

Abstract: A two-stage linear actuator particularly applicable to aircraft control surfaces. The first stage comprises a rotary input shaft driven by an electric motor having a helical threaded zone in its external surface at its inner end and a plurality of first helical roller gears configured to engage with the rotary input shaft in its helical threaded zone for rotating together. The second stage comprises a plurality of second helical roller gears configured to engage with the first helical roller gears for rotating together and with an output shaft having a helical threaded zone in its external surface at its inner end for converting the rotation of the second helical roller gears in a linear movement of the output shaft.