66 results about "Rotational coupling" patented technology

A shaped charge positioning device may include a shaped charge holder, an initiator holder coupled to the shaped charge holder via a first rotation coupling, and a shaped charge receptacle provided on the shaped charge holder. The shaped charge receptacle may be rotatable around a central longitudinal axis of rotation of the shaped charge positioning device relative to the initiator holder. A perforating gun assembly may include a shaped charge holder provided in a gun housing chamber and rotatable relative to the gun housing. A wellbore tool string may include a first gun housing including a first shaped charge holder rotatably coupled to a second gun housing including a second shaped charge holder. An initiator provided in the first gun housing may be electrically coupled to an initiator provided in the second gun housing.

The present invention relates to a transforming modular trolley and an adjustable axle device for office use, designed to enhance workspace flexibility and ergonomic comfort. The trolley features a modular top assembly with multiple surfaces, including a tilt-able primary work surface, dedicated surfaces for devices and personal items, and integrated storage options. It includes a vertically adjustable axle mechanism for height adjustments, an integrated power management system, and retractable anti-tip stabilizers. The adjustable axle device, available in both gas-spring and electric lift configurations, enables smooth height adjustments and secure locking at user-selected positions, with rotational coupling for customizable orientation. The trolley and axle device are intended for seamless integration into various office environments, offering enhanced usability, stability, and organization. This innovative design addresses the limitations of traditional workstations by providing a compact, mobile solution that supports seated and standing work positions while maintaining a clutter-free workspace.

The utility model discloses an abrasive grading vibrating screen, which comprises a support frame, a primary screening assembly is arranged on the support frame, the primary screening assembly comprises a feeding cylinder, a discharging pipe, a feeding pipe, a conveying motor, a conveying coupler and a screening plate, the feeding cylinder is fixedly arranged at the top of the support frame, the discharging pipe is connected to the bottom of the feeding cylinder, and the conveying motor is connected to the bottom of the feeding cylinder. The number of the discharging pipes is three, the feeding pipe is connected to the top of the feeding barrel, the conveying motor is fixedly installed on the supporting frame, the conveying coupler is fixedly installed on the feeding barrel and connected with the conveying motor, the screening plate is installed in the feeding barrel, and the bottoms of the discharging pipes are connected with the fine screening assembly. And the fine screening assembly comprises a fixing frame, a rotating motor and a rotating coupler, the fixing frame is arranged at the bottom of the discharging pipe, and the rotating motor is fixedly installed on one side of the fixing frame, so that the technical problem that a vibrating screen mentioned in the background technology is possibly not convenient enough in the primary screening process is solved.

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.

Improved magnetic rotor assemblies are provided. In one embodiment, a magnetic rotor assembly includes two or more rotor disks. The rotor disks may each contain corresponding sets of permanent magnets, which may be circumferentially disposed around the disks. The disks may then positioned near one another such that the disks are magnetically coupled. In certain instances, the N-poles of the permanent magnets may face one another. In other instances, the S-poles of the permanent magnets may face one another.

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.

The invention provides a variable-diameter speed regulation fan, a cooling system, a control method and engineering machinery, and relates to the technical field of engineering machinery. The variable-diameter speed regulation fan comprises a fan blade assembly, a piston rod assembly, a base and a rotary coupler, the fan blade assembly is connected with a piston rod in the piston rod assembly in a screwed mode, and the fan blade assembly comprises variable-diameter fan blades; the piston rod assembly is arranged in the base, and the piston rod assembly is telescopic; the base is fixedly connected with the rotating coupler, a first oil liquid channel is formed in the base, and the first oil liquid channel communicates with the piston rod assembly and the rotating coupler; the rotating coupler is connected with the heat dissipation motor, a second oil liquid channel is arranged in the rotating coupler, and the first oil liquid channel communicates with the second oil liquid channel. The fan can perform dual adjustment of the rotating speed and the fan blade diameter, so that the wide adjustment range of the air volume is achieved, and different use scenes are met.

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 utility model provides a constant-tension constant-speed forward and reverse adhesive tape winding device, which is characterized in that a rotating mechanism is mounted at the front section of a rack and is mounted on the rack by two rotating motors; the rotating motor is connected with the rotating spindle through a rotating coupler; a powerful clamp is fixed on the front section of the rotating spindle; an unwinding mechanism is mounted in the middle of the rack, and a feeding mechanism is mounted at the rear part; the unwinding mechanism is provided with an unwinding supporting plate which is connected with the unwinding bottom plate; an unwinding bottom rotating shaft is mounted at the lower end of the unwinding bottom plate; the unwinding bottom rotating shaft is inserted into the bearing seat to form a transposition structure; the bearing seat is fixed on the sliding plate; the bottoms of the sliding plates are connected with sliding rail combinations; the bottom of the slide rail combination is fixed on the rack; a pulling plate is arranged on the feeding synchronous belt and is connected with the feeding synchronous belt; the automatic winding machine is reasonable in structure, irregular manual winding is avoided, the production efficiency is greatly improved, the winding length is adjustable, automatic constant-tension unwinding is achieved, and the winding angle is automatically deflected.

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).

Assembly comprising a shaft (10) and an electrical machine (14) for an aircraft turbomachine, the shaft (10) having a generally tubular shape and elongated along an axis (X) and comprising at a first longitudinal end (10a) first splines (12), the electrical machine (14) comprising a rotor (16) whose axis of rotation is aligned with the axis (X) of the shaft (10) and which comprises at a second end (16a) (second splines 18) engaged in or on the first splines (12) in order to ensure rotational coupling of the shaft (10) with the rotor (16), characterized in that it further comprises at least one member (20) elastically deformable in torsion which cooperates with the shaft (10) and the rotor (16) to impose a torsional preload between the first and second splines (12, 18) in the absence of torque transmission between the rotor (16) and the shaft (10). Abstract figure: figures 4a-4c

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).

Disclosed herein is an apparatus for tightening threaded fasteners comprising a folding locking tab having a first tab and a second tab. The first tab and the second tab are movable between a locked position and an unlocked position along an axis transverse to a plane defined by a bendable living hinge. The first tab having a rotational coupling part in the center of the first tab having a first locking tab slot present on a primary end of the first tab and a second locking tab slot present on a secondary end of the first tab. The second tab having a lobe in the middle of the second tab, the lobe having a predetermined shape is configured for rotational coupling of the folding locking tab with a washer associated with the nut. The second tab having a first snap protruded at a first end of the second tab.

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 torsional damper for equipping a vehicle powertrain, the damper comprising: a first element rotatable about an axis of rotation; a second element rotatable relative to the first element about an axis of rotation, the second element comprising first and second transverse washers mounted to be rotationally coupled about the axis and axially spaced apart from each other, the first element comprising an intermediate disc axially arranged between the first and second transverse washers; a spring mounted between the first and second elements so as to be compressed to allow relative rotation between the first and second elements about an axis; comprising a first friction washer provided with at least one fixed portion fixed to the first or second element in a rotationally rigid manner and having a friction portion arranged between the first transverse washer and the first element; the first elastic gasket is axially arranged between the first element and the friction part of the first friction gasket; bk second friction means of a second friction washer provided with at least one fixed portion fixed to the first or second element in a rotationally rigid manner and having a friction portion arranged between the second transverse washer and the first element; and a second spring washer axially disposed between the first element and the friction portion of the second friction washer.

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).