43 results about "Rotational coupling" patented technology

Disclosed herein is a hoist tool including a hoist frame and a base structure. The hoist frame includes a structural framework having a first end and a second end and at least one first rotation-enabling coupling at the second end of the structural framework. The base structure includes at least one second rotation-enabling coupling configured to engage with the at least one first rotation-enabling coupling of the hoist frame. The at least one second rotation-enabling coupling of the base structure defines a rolling axis. The hoist frame is selectively movable by the hoist to position the at least one first rotation-enabling coupling into engagement with the at least one second rotation-enabling coupling and when coupled and when the assembled structure is coupled to the hoist frame, the hoist frame is selectively rotatable about the rolling axis, relative to the base structure, to enable a rollover of the assembled structure.

A hydraulic pump assembly includes an electric motor; a hydraulic pump driveably connected to the electric motor via a rotatable coupling; wherein the rotatable coupling includes a splined connection housed within a chamber comprising a chamber wall, wherein the chamber defines a flow passage for hydraulic oil for lubricating the rotatable coupling, the chamber includes an inlet for receiving a flow of hydraulic oil from the pump and an outlet for exiting the flow of hydraulic oil to the exterior of the chamber.

Bicycle component (80) for a bicycle (100) with a freewheel unit (9a, 9b) of a freewheel device (9), wherein the freewheel unit (9a, 9b) comprises a rotary unit (2d, 10d) and a toothed disc assembly (20, 30) that can be coupled to the rotary unit (2d, 10d). The toothed disc assembly (20, 30) comprises a face toothing (22, 32) with axial engagement elements (22e, 32e) which is suitable for engaging with corresponding engagement elements (32e, 22e) of another toothed disc assembly (30, 20). The toothed disc assembly (20, 30) and the rotary unit (2d, 10d) are each designed as coupling components (9c-9f) that can be coupled to each other and each have radial teeth (23, 33) for engaging with each other and are rotatable together about a central axis of rotation (5b).The rotary unit (2d, 10d) and the gear unit (20, 30) are movable in the circumferential direction relative to each other between a drive position (A) and a rest position (R), so that before the start of a torque transmission a coupling component (9c-9f) must first be rotated in the drive direction until a torque transmission can take place, if the two radial gears (33, 43) are previously in a rest position (R).

The utility model relates to a device for realizing slip detection and wireless acquisition of a conveying belt, which comprises the conveying belt, a conveying belt driving wheel, a conveying belt driven wheel, a coupling, a coupling fan, an air quantity protection cover and an air quantity collection pipe, the conveying belt is arranged outside the conveying belt driving wheel and the conveying belt driven wheel in a surrounding and sleeving mode, the conveying belt driving wheel drives the conveying belt to rotate, and the conveying belt drives the conveying belt driven wheel to rotate. The coupling fan is fixed on the conveyer belt driven wheel through the coupling, so that the coupling fan and the conveyer belt driven wheel rotate synchronously, the bottom of the air volume protection cover faces the coupling fan, and the top of the air volume protection cover is connected with the air volume collection pipe. By adopting the device for realizing slip detection and wireless acquisition of the conveying belt, the analog quantity signal is continuous and stable and is not easily interfered by the outside, the wireless transmission supports long-distance transmission, and the problems of attenuation and distortion during long-distance transmission are avoided while the long-distance transmission is supported.

A co-rotating scroll device includes a housing, a first scroll positioned in the housing and having a first involute, a second scroll positioned in the housing and having a second involute, and one or more integrated rotary unions that transmit coolant from the housing to the first scroll and / or the second scroll. The arrangement of the co-rotating scroll defines an integrated cooling system that supplies liquid coolant to portions of the scroll device rather than relying on air cooling. The liquid cooling of the scroll device is provided by supplying liquid coolant through the scroll shafts via the integrated rotary unions. At least one rotary union is provided for each scroll / scroll shaft combination of the co-rotating scroll device.

The invention relates to the technical field of knee joint exoskeleton devices, in particular to a viscous damping knee joint exoskeleton device. The knee joint assembly comprises a first rotating assembly and a second rotating assembly which are rotationally connected; the pair of leg connecting assemblies are connected with the first rotating assembly and the second rotating assembly correspondingly, and the pair of leg connecting assemblies are used for being connected with thighs and shanks on the same side of the user correspondingly; the viscous fluid damper comprises a first connecting piece and a second connecting piece which rotate relatively, and the first connecting piece is connected with the first rotating assembly; and the clutch device is arranged between the second connecting piece and the second rotating assembly, and the clutch device is used for switching the rotating coupling state of the second connecting piece and the second rotating assembly, so that the second connecting piece and the second rotating assembly are circumferentially coupled or decoupled. The buffering effect can be effectively improved, and joint impact is reduced.

According to particular embodiments, a valve operating assembly, such as for a tank car bottom outlet valve, comprises a slide rotationally coupled to and transversely slidable relative to a valve stem. The slide comprises a shape that facilitates rotational coupling with a handle and the slide further comprises a connector for engaging a protective plate to limit rotation of the slide about a valve rotational axis when in a first position and free to rotate about the valve rotational axis when in a second position.

A stroller includes a chassis and a seat supported by the chassis, the seat including a first panel and a second panel joined at respective first ends by a hinge having a hinge axis so as to define an angle between the first panel and the second panel about the hinge axis; the stroller has: an uncollapsed position in which the first panel forms at least a portion of the base of the seat and the second panel forms at least a portion of the backrest of the seat, the angle being less than 180 degrees; and a collapsed position wherein the space occupied by the cart is reduced relative to the non-collapsed position; wherein the stroller transitions from an uncollapsed state to a collapsed state by rotating the second leg and the fourth leg in a first direction about the first rotational coupling and the second rotational coupling towards the first handle strut and the second handle strut, rotation of the second and fourth legs toward the first and second handle struts causes the first panel to pivot about the hinge in a first direction such that an angle between the first panel and the second panel increases.

Turbopump assemblies and pump turbine assemblies utilized in rocket propulsion systems or other systems are disclosed. The turbopump assembly may include a rotor with at least one integral pump impeller and at least one integral turbine impeller, a housing containing the rotor, and first and second bearings supporting the rotor. The first and second bearings are supported by the housing. The rotor is disposed between the first and second bearings such that the at least one integral pump impeller and the at least one integral turbine impeller are supported between the first and second bearings. At least one integral pump impeller and at least one integral turbine impeller are provided between all bearings supporting the pump and turbine in the housing.

The dilator (105) includes a dilator shaft defining a lumen for receiving a functional device, such as a puncture device, therethrough. The dilator shaft includes a proximal portion for manipulation by a user and a distal portion for placement within or near the heart. A dilator hub (202) is coupled to the proximal portion of the dilator shaft and includes a rotational coupling structure for coupling to a corresponding hub (206) of the sheath (100).

A stroller includes a chassis and a seat supported by the chassis, the seat including a first panel and a second panel joined at respective first ends by a hinge having a hinge axis so as to define an angle between the first panel and the second panel about the hinge axis; the stroller has: an uncollapsed position in which the first panel forms at least a portion of the base of the seat and the second panel forms at least a portion of the backrest of the seat, the angle being less than 180 degrees; and a collapsed position wherein the space occupied by the cart is reduced relative to the non-collapsed position; wherein the stroller transitions from an uncollapsed state to a collapsed state by rotating the second leg and the fourth leg in a first direction about the first rotational coupling and the second rotational coupling towards the first handle strut and the second handle strut, rotation of the second and fourth legs toward the first and second handle struts causes the first panel to pivot about the hinge in a first direction such that an angle between the first panel and the second panel increases.

This invention discloses a magnetic rotary coupling connector assembly and its connection method. The plug module of this invention is provided with a positioning pin at its end, and the matching socket module has a circular tenon groove with a positioning groove matching the positioning pin and an arc-shaped groove for rotational positioning. The embedded plug magnetic block and socket magnetic block design are adopted. Under the action of magnetic rotary coupling force, the rotational torque formed on the plug module is used to achieve adaptive rotational coupling positioning of the connector through magnetic force, so as to complete the precise electrical contact connection and achieve reliable locking connection through mechanical locking block.

This construction machine includes a lower traveling body; an upper swiveling body; and a rotary coupling member that swivels, together with the upper swiveling body, with respect to the lower traveling body. The rotary coupling member has a swivel joint; a rotary joint that includes a slip ring; a cable; a coupling part; and a detent part that is fixed to the body of the swivel joint and that restricts the rotation of a terminal part of the slip ring.

The multi-speed hybrid power transmission is provided with an internal combustion engine (3), a first motor (4) and a second motor (5), the internal combustion engine (3) is rotationally connected with the first motor (4) through a first transmission stage (6), and the second motor (5) is rotationally connected with a differential mechanism (33) through a second transmission stage (7) so as to drive an axle (35) of a motor vehicle (2). Wherein the internal combustion engine (3) is rotationally coupled to the differential (33) via a first transmission shaft (15), a second transmission shaft (16) and a third transmission stage (8) such that a rotational coupling between the first transmission shaft (15) and the second transmission shaft (16) can be selectively established by means of a first shiftable gear (12) or by means of a second shiftable gear (13), wherein a gearwheel (19) of the first transmission gear (12), a gearwheel (20) of the second transmission gear (13) and a gearwheel (25) of the first transmission stage (6) are arranged on the first transmission shaft (15).

The present invention provides a control device that can continue operating without stopping its operation depending on the abnormal condition of the rotary coupling. [Solution] The control device (20) controls the operation of a rotary joint (10) whose rotation angle can be measured by magnetic detection. The control device includes a determination unit (230) that determines the state of the rotary joint based on the rate of change per unit time of the magnetic measurement value when the magnetic measurement value measured in magnetic detection is outside a predetermined range. The control device also includes an operation control unit (240) that controls the operation of the rotary joint based on the determination of the determination unit.

The invention relates to a chronograph mechanism (10) for a timepiece movement (1) comprising a reset mechanism (100) comprising a first hammer (110) and a second hammer (120) that are configured on two levels in order to cooperate respectively with a first reset member (51) for resetting to zero a first chronograph counter and a second reset member (52) for resetting to zero a second chronograph counter, these reset members not being coplanar; the first hammer (110) and the second hammer (120) being pivotable about an axis of rotation (105) independently of one another, the reset mechanism (100) comprising an elastic locking member (116), constrained to rotate with the first hammer (110), cooperating with an indexing finger (118), constrained to rotate with the second hammer (120), to ensure an elastic rotational coupling of the first hammer (110) and the second hammer (120) about the axis of rotation (105), the elastic locking member (116) being configured to lock the indexing finger (118) in a predetermined relative angular position, causing the first hammer (110) or the second hammer (120) to rotate about the axis of rotation (105).

The present invention relates to a belt retractor (1) for an automobile seat belt device, comprising a belt reel (5) capable of winding up a seat belt of the seat belt device, a reversible belt tensioner (3) having a drive wheel (20) that, when in operation, drives the belt reel (5) in the winding direction via the drive wheel (20), and a forcibly controlled tensioner coupling (2) that transmits driving motion from the drive wheel (20) to the belt reel (5), wherein the tensioner coupling (2) has at least one coupling claw (21) mounted on the drive wheel (20) which is movable to engage and disengage with a tooth system (231) fixed on the belt reel in order to generate and disengage rotational coupling of the drive wheel (20). The coupling claw (21) has a body (212) having a tooth system portion (213), and having a greater width in the region of the tooth system portion (213) perpendicular to the direction of engagement movement than in the region of the body (212).

The present invention relates to an active air flap comprising: a door including a barrier plate formed in a plate form, a pair of extension portions respectively extending in the thickness direction from both sides of the barrier plate in the longitudinal direction, and a pair of rotational coupling portions respectively formed at free ends of the pair of extension portions; and torsion prevention members disposed at positions corresponding to the pair of rotational coupling portions, and having one longitudinal end coupled to one extension portion and the other longitudinal end coupled to the other extension portion, whereby sufficient rigidity of the door may be secured such that the active air flap may prevent door twisting and abnormal door opening caused by wind pressure during high-speed driving of a vehicle.

Provided is a surgical robot system including at least one driving element and a processor configured to control the driving element. The driving element includes: a first member; a second member configured to change a relative position of the second member with respect to a first member; and at least one joint member configured to provide a rotational coupling between the first member and the second member, wherein the at least one joint member is an elastic joint member configured to allow twisting between the first member and the second member, which are targets of rotational coupling due to an external force.

A sports training device (10) comprising a ball (12) with a rotatable coupling (20) located inside the ball (12) that is configured to rotatably connect the ball (12) to a tether (14), such that, in use, the ball (12) is permitted to rotate relative to the tether (14).

A security barrier apparatus 330 comprises a support 12 having at least one barrier section, each barrier section having two posts 14, 16 and a barrier member 332 such as a beam or a gate. At least one of the posts is fixed to the support and at least one post is translatably movable relative to the fixed post. The movable post is mounted to a slide device for translational movement via a slot in the support. The slide device operates the apparatus between open and closed positions. The barrier member is pivotable relative to a fixed post, and each movable post 16 is movable and pivotable relative to a barrier member. In the closed position the barrier member crosses a path over the support for inhibiting the passage pedestrians or motorcycles. The barrier may be coupled to the movable post via a second rotational coupling having a carriage which moves linearly between first and second positions on the barrier member. A method of operating a security barrier includes the operation of a slide device to move a post.

The utility model discloses a kind of multistage treatment devices for waste gas in coated sand production, from left to right sequentially include first grade fling barrel dust collector, secondary spray tower, tertiary activated carbon adsorption device and suction fan;First grade fling barrel dust collector includes base, outer cover is set on base, centrifugal fling barrel is set in outer cover, drive motor is set on base, the output shaft of drive motor is connected with driving gear, driving gear is engaged with the lower end of intermediate gear strip of centrifugal fling barrel outer circle Meshing connection, the upper end of intermediate gear strip is engaged with the driven gear of upper end in outer cover Meshing connection;The passage mouth of left and right ends on centrifugal fling barrel is connected with corresponding ventilation pipe respectively through sealing rotary coupling;The utility model carries out multistage pertinence treatment to waste gas generated in coated sand production process, and centrifugal fling cylinder device is added in the head section of waste gas discharge, so that most dust particle solid impurities can be flung out in the initial section of discharge, so that subsequent waste gas treatment effect is better.

The invention provides a shaft end sealing device for a rotating main shaft of a high-speed rotating machine under positive and negative pressure environments. The shaft end sealing device comprises a main shell, a bearing, the rotating main shaft, a shaft end sealing seat, a rotating coupler, a first outer side sealing assembly and a second outer side sealing assembly. An air cavity is formed in the inner side of the shaft end sealing seat and the outer side of the rotary coupling and is positioned between the first outer side sealing assembly and the second outer side sealing assembly; the second outer side sealing assembly comprises a second outer side comb tooth oil seal close to one side of the air cavity and an outer side comb tooth air seal axially arranged on one side, away from the air cavity, of the second outer side comb tooth oil seal. An outer side sealing air cavity is formed in the inner side of the shaft end sealing seat and the outer side of the rotary coupler and located between the second outer side comb tooth oil seal and the outer side comb tooth air seal. The problem of lubricating oil leakage is solved; and meanwhile, wide-range fluctuation from positive pressure to deep negative pressure can be flexibly compensated, and stable operation of the rotating machine under extreme conditions is ensured.

An axle arrangement having an outer bevel gear arrangement and an inner bevel gear arrangement. Each bevel gear arrangement allowing large rotation of the axle shaft around a respective swing axis through the bevel gear arrangement, perpendicular to the axle shaft to permit the axle to swing through large angles with negligible impact on transmission of torque. The axle shaft having multiple portions connected in series between the bevel gear arrangements. Between two of the shaft portions is a slidable connection. Between two of the shaft portions is an inner rotatable coupling and between two of the shaft portions is an outer rotatable coupling. Both couplings are stabilised by hinged casings located relative to the bevel gear arrangements with a hinge axis through the rotatable coupling. Each hinge axis is perpendicular to the primary axis of the shaft portion(s) between the rotatable couplings and perpendicular to the respective swing axis.

An expansion joint (100) for a gas turbine exhaust system (102) is disclosed. The expansion joint (100) includes arcuate expansion joint segments (130) that enclose a rigid sealing plate (140) with an inner radial end (144) and an outer radial end (142). A first pivot coupling (160) pivotably connects the inner radial end (144) of the rigid sealing plate (140) to the turbine duct flange (120), and a second pivot coupling (162) pivotally connects the outer radial end (142) of the rigid sealing plate (140) to the diffuser duct flange (124).The swivel couplings (160, 162) include a mounting element (170) that is rigidly coupled to a respective channel flange (120, 124) and pivotably engages with a first axial side of the rigid sealing plate (140), a clamping element (174) that pivotably engages with a second axial side of the rigid sealing plate (140) opposite the first axial side of the rigid sealing plate (140), and one or more actuators (180) configured to press a respective radial end of the rigid sealing plate (140) between the clamping element (14) and the mounting element (170).

A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.

Provided is a surgical robot system including at least one driving element and a processor configured to control the driving element. The driving element includes: a first member; a second member configured to change a relative position of the second member with respect to a first member; and at least one joint member configured to provide a rotational coupling between the first member and the second member, wherein the at least one joint member is an elastic joint member configured to allow twisting between the first member and the second member, which are targets of rotational coupling due to an external force.

An enhanced dilator includes a dilator shaft defining a lumen for receiving a functional device (e.g., a puncturing device) therethrough. The dilator shaft includes a proximal portion for manipulation by a user and a distal portion to placement in or near the heart. A dilator hub is coupled to the proximal portion of the dilator shaft and includes a rotational coupling structure for coupling to a corresponding hub of a therapy sheath.

Systems and techniques may generally be used for a fence configurable between a static state and a dynamic state. A system may include a plurality of structural support posts and at least one panel disposed between two of the posts. A rotational coupling assembly may pivotally connect the panel to the two posts to define a pivot axis. A releasable locking mechanism may be configured to selectively secure the panel in a fixed, non-rotational orientation in the static state, and may be further configured to permit 360 degree rotation of the panel about the pivot axis in the dynamic state in response to aerodynamic loading. Implementations may include upper- or lower-edge placement of the rotational coupling assembly, manual or electromagnetic locking, and panel cartridges adapted for serviceability and varied surface constructions, while maintaining the selectable transition between privacy / security operation and wind-responsive operation.