139 results about "Pivot joint" patented technology

Disclosed are reducer instrument locking mechanisms. They can be located near a center pivot joint of the reducer, thereby eliminating a ratchet at the reducer proximal end. The locking mechanisms can include a pawl or latch that travels with one handle from an open position to a closed position. The pawl can fall into a groove formed in an opposing handle such that handles of the reducer can be locked relative to one another, at least with regard to movement of the handles away from one another. When falling into the groove, the pawl can create an auditory and / or tactile indication that a sufficient amount of rod reduction has been achieved to allow for set screw insertion. After set screw insertion, the reducer locking mechanisms can be released to clear it of the groove and allow the reducer to return to its open position.

A beam anchor includes first and second arm assemblies, each comprising a torque arm having a jaw portion, and a slotted arm having slotted portions containing an arm slot. The jaw portions oppose each other, the slotted portions are side-by-side, and the torque arm and slotted arm of the first and second arm assemblies are coupled to a pair of braces respectively at a pair of pivot joints. The first arm assembly includes a locking mechanism, movable between a locked position locking the torque arm to its slotted arm, and an unlocked position in which the torque arm is freely pivotable. A connector pin extends into the arm slots, and a load on the connector pin causes the slotted arms to pivot away from each other, and the torque arms pivot to toward each other until the jaw portions engage a web of a beam.

Systems and methods are provided for managing and reducing the severity or impact of a collision involving an apparatus secured to a table associated with a medical imaging and / or therapeutic gantry. Example systems are provided in which an apparatus is secured to the table such that a distal region of the apparatus extends beyond a longitudinal end of the table. A pivot joint associated with the apparatus is provided such that when a collision between the distal region of the apparatus and an object occurs due to motion of the table, the resulting force causes the apparatus to rotate relative to the pivot joint, thus passively accommodating the applied force and preventing, or reducing the likelihood of, mechanical buckling of the apparatus in the presence of the force. In some example embodiments, the apparatus is configured to rotate and / or translate as a result of the force applied during the collision.

A kind of cable hook, two sides of its buckle seat are provided with pivot joint and cannula, the cannula has a insertion hole, the cannula is provided with a hook-shaped tube sleeve portion, a cable is placed in the hook-shaped tube, the bottom end of the cable is inserted into the insertion hole, a buckle head is combined at the free end of the hook-shaped tube, the free end of the cable is combined with the buckle head, the radially overlapping parts of the sleeve portion, the cannula and the cable are reduced in diameter and combined, a lever element is pivoted at the pivot joint, the top end of the lever element can be selectively hooked on the buckle head;The structure of the hook-shaped tube and cable can achieve lightweight, and when the hook-shaped tube is deformed under force, the cable can provide support for the hook-shaped tube, so that the invention has strength and safety while achieving lightweight structure.

Jaw assemblies for a surgical stapler are provided. The jaw assemblies comprise a first jaw having a first clamping surface and a plurality of staples disposed therein and second jaw assembly having a second clamping surface. The jaw assemblies can be actuated from a closed configuration in which the first clamping surface contacts or is adjacent to the second clamping surface to an open configuration in which the second jaw is pivoted away from the first jaw to a stapling position in which the second clamping surface is parallel to the first clamping surface and spaced apart from the first clamping surface. A pivoting link or sliding pivot joint can couple the second jaw to the first jaw to facilitate motion between the closed position, the open position, and the stapling position.

The utility model provides a large-jaw clamp structure which is a clamp and comprises a first grab handle, a shaft rod, a limiting clamp piece, a movable clamp piece, an elastic piece, a second grab handle, an unlocking piece, a connecting rod piece and a screw rod. A shaft penetrating hole is formed in the side wall of the supporting head of the first grab handle; the shaft rod penetrates through the shaft penetrating hole; the assembly part of the limiting clamp piece is attached to and assembled on the shaft rod outside the side wall, and a limiting clamp arm extends and is provided with a first chuck; a movable plier head part of the movable plier piece is arranged on the other side of the side wall, one end of the movable plier head part extends to form a movable plier arm which is provided with a second chuck, and the other end of the movable plier head part is provided with a pivoting part pivoted with the supporting head part and a first pivoting head pivoted with the second grab handle; according to the overall structure, the size of the jaw of the clamp is adjusted within the length range of the shaft rod, and the clamping and locking capacity range of the clamp on a target workpiece can be remarkably widened.

The utility model relates to the technical field of hairpins, and particularly discloses a spring hidden type decorative hairpin which comprises a first hairpin body, a second hairpin body, a shaft rod, a spring body and a wrapping assembly, the first hairpin body and the second hairpin body are respectively provided with a pivot joint son base and a pivot joint mother base, the spring body is arranged between the pivot joint son base and the pivot joint mother base, and the wrapping assembly is arranged on the shaft rod. The shaft rod sequentially penetrates through the pivoting mother seat, the spring body and the pivoting son seat to enable the first clamp body and the second clamp body to be combined in a pivoting mode, two end feet of the spring body abut against the first clamp body and the second clamp body respectively, the wrapping assembly comprises a first wrapping piece, a second wrapping piece and a decorating piece, the first wrapping piece and the second wrapping piece are mutually pivoted and arranged on the spring body in a sleeving mode, and the decorating piece is arranged on the first wrapping piece and the second wrapping piece. Decorative parts are arranged on the first covering part and the second covering part. The spring exposed type hairpin solves the problems that the spring exposed type hairpin clamps and pulls hair and stabs fingers, improves attractiveness of the hairpin, and effectively reduces production cost.

The invention discloses a quick release structure of an intelligent closestool cover plate, which comprises a cover plate and a rear shell, a rotating shaft combination part is arranged at the side edge position of the rear end of the cover plate, the rotating shaft combination part is provided with a pivoting hole, and the rear shell is provided with a rotating shaft extending towards the side edge. A mounting notch is formed in the portion, facing the inner side, of the side wall of the rear end of the rotating shaft combination part so that an inner cavity of the pivot joint hole can be communicated with the outside through the mounting notch, the limiting part comprises a shaft sleeve, the shaft sleeve can be inserted into the pivot joint hole in an axial sliding mode, and the shaft sleeve is connected with the rotating shaft combination part. The shaft sleeve can only slide into and out of the pivoting hole from the inner side of the pivoting hole, the mounting notch is gradually opened when the shaft sleeve slides towards the outer side, the mounting notch is gradually closed when the shaft sleeve slides towards the inner side, and in the mounting process, the end of the rotating shaft enters the pivoting hole along the mounting notch, so that the rotating shaft can rotate in the pivoting hole. The shaft sleeve sleeves the end part of the rotating shaft when the shaft sleeve slides towards the inner side to close the mounting notch, and the shaft sleeve is separated from the end part of the rotating shaft when the shaft sleeve slides towards the outer side to open the mounting notch during disassembly. Therefore, the whole quick-release structure is few in parts, low in cost and easy and convenient to disassemble and assemble.

A prosthetic valve assembly includes a radially expandable and compressible annular frame. The frame includes a plurality of interconnected struts including a plurality of inner struts and a plurality of outer struts. The inner struts overlap adjacent outer struts at a plurality of pivot joints. Radial expansion or compression of the annular frame causes the inner struts to pivot relative to the outer struts at the pivot joints. The assembly also includes a valve structure within the frame having a plurality of leaflets that regulate blood flow through the frame. Some struts include recessed portions, and other struts that cross the recessed portions include segments that reside in the recessed portions at the pivot joints. This provides a continuous or flush inner or outer surface of the frame.

A modular mounting system for mounting an animal skull to a wall, comprising a backer plate, a pivot joint, an elongated member, and a lock. The backer plate has a mounting stem protruding from its front side and is coupled to the wall on its back side. The elongated member, pivotally mounted to the pivot joint, has a flattened surface for receiving a removable tip and a notch for sliding into a foramen magnum of the animal's skull. The removable tip can be removably coupled to the flattened surface of the elongated member and is selectively detachable to accommodate varying skull geometries. The system also includes a retention member to selectively restrict and permit rotational movement, a support plate coupled to the elongated member, and a display fixed between the backer plate and the lock. The system allows for the secure and adjustable display of animal skulls.

The nail clipper with the push-pull lock comprises a first clipper body and a second clipper body, the side face of the first clipper body is provided with a first pivot joint portion pivoted with a pivot joint nail, the side face of the second clipper body is provided with a second pivot joint portion pivoted with the pivot joint nail, and the rear end face of the first pivot joint portion is provided with an insertion opening. A push-pull lock mechanism is arranged at the position, corresponding to the inserting opening, of the second clamp body, can slide front and back along the second clamp body and is provided with a first position where the push-pull lock mechanism is inserted into the inserting opening and a second position where the push-pull lock mechanism is separated from the inserting opening. The push-pull lock mechanism is matched with the inserting opening so that the front end of the first clamp body and the front end of the second clamp body can be kept in a relatively closed state, and when the push-pull lock mechanism is located at the second position, the front end of the first clamp body can be opened relative to the front end of the second clamp body. The nail clipper has the advantages that the push-pull lock mechanism is located at the front position of the nail clipper, locking and unlocking of the first clipper body and the second clipper body can be achieved by operating the push-pull lock mechanism through the thumb, and operation is easy and convenient.

A fitting apparatus for installing or uninstalling a pivot joint defined by a ball of a pin and a socket for receiving the ball, the fitting apparatus comprising a frame member adapted to be attached to the socket, an actuator adapted to apply a force to the pin, and a fastening unit adapted to be attached to the frame member, the fastening unit being adapted for attaching the actuator to the frame member for applying a force to the pin to either instal or uninstall the pivot joint.

The present application relates to a vehicle comprising: a first pivot joint having a first pivot portion and a second pivot portion that pivot about a first pivot axis; the second pivoting joint is provided with a fourth pivoting part and a second rotating part which are mutually pivoted around a second pivoting axis, and the first pivoting axis and the second pivoting axis are not collinear; when the first pivoting part and the second pivoting part are relatively fixed, the first linkage unlocking mechanism locks the fourth pivoting part and the second rotating part so as to limit the fourth pivoting part from rotating relative to the second rotating part; when the second pivoting part rotates relative to the first pivoting part, the first linkage unlocking mechanism unlocks the fourth pivoting part and the second pivoting part so as to allow the fourth pivoting part to rotate relative to the second pivoting part, and the rotation of the second pivoting part drives the fourth pivoting part to rotate; and the rotation of the fourth pivoting part drives the second linkage unlocking mechanism to move.

The utility model discloses an automatic vagina retractor which comprises a first forceps arm and a second forceps arm, the lower end of the first forceps arm is rotatably connected with the lower end of the second forceps arm through a pin shaft, expansion blades are arranged at the upper end of the first forceps arm and the upper end of the second forceps arm respectively, the lower end of the first forceps arm is rotatably connected with a first handheld ring, and the lower end of the second forceps arm is rotatably connected with a second handheld ring. The lower end of the second clamp arm is rotationally connected with a second handheld ring; a doctor can operate by only one hand without the help of an assistant, and meanwhile, the structure can fully expose the operation view, so that the doctor can conveniently operate the vagina; the rotatable first handheld ring and the rotatable second handheld ring enable a doctor to find a proper angle more easily in the operation process, and the operation view is prevented from being affected.

The utility model discloses a quick-assembly structure of a bath appliance on a counter basin, which comprises a quick-assembly joint in the shape of a hollow pipe body, the quick-assembly joint is provided with an upper threaded section locked with a pressing pump in a threaded manner, a clamping section clamped on an assembly hole of the counter basin and a plurality of propping blocks distributed circumferentially and rotationally pivoted on the side wall of the clamping section; an elastic piece is arranged between the abutting block and the clamping section. When the abutting block compresses the elastic piece to rotate and fold under the action of external force, the diameter of the outer end of the abutting block on the circular ring is smaller than or equal to the diameter of the assembling hole. When the abutting block is rotated and unfolded under the elastic restoring force of the elastic piece, the diameter of the outer end of the abutting block on the circular ring is larger than that of the assembling hole. By means of the structure, the fast-assembly structure of the bath appliance on the counter basin enables the abutting block to automatically abut against the bottom face of the counter basin through the elastic piece, the upper threaded section located above the counter basin is connected with the pressing pump in a threaded locking mode, assembling operation does not need to be conducted below the counter basin, and assembling operation is simpler and faster.

The invention relates to an electrosurgical bipolar forceps (10) comprising: a first arm (12) and a second arm (14) which are pivotably mounted relative to each other by a pivot joint (16); and a stabilizing device (44) for stabilizing the forceps (10) against lateral forces, wherein the stabilizing device (44) has a connecting rod (46) arranged on a proximal side of the pivot joint (16), and wherein the connecting rod (46) has a first bearing structure (48) which is slidably and rotatably mounted on the first arm (12), and a second bearing structure (50) which is rotatably mounted on the second arm (14).

A foldable sander head includes a head body with first and second head portions. The first and second head portion are pivotable relative to one another about a pivot joint between a planar configuration and a non-planar configuration. A pivot joint connector couples the first and second head portions to one another. The pivot joint connector includes a slide coupler that is slidably coupled to the first and second head portions, such as by tracks on the first and second head portions. The first and second head portions are selectively lockable relative to one another in the planar configuration and are free to pivot in the non-planar configuration. The pivot joint passes through and orthogonal to a central axis of the head body.

The present invention relates to a balancing, positioning and fixating assembly for balancing a treatment device, comprising balance arm having a first arm end and a second arm end, a stepper part having a first part end and a second part end, the first arm end is connected with the second part end via a first pivot joint so that the balance arm is movable in relation to the stepper part, and an angulator device is arranged in connection with the second arm end, the angulator device is configured to connect the treatment device to the balance arm and to facilitate movement of the treatment device in different angles, wherein a spring device having a predetermined spring force is arranged along the balance arm, the spring device has a first spring end and a second spring end.

The utility model relates to the field of roller transmission, and the utility model discloses a flexible telescopic roller conveyor that can adapt to uphill and downhill, which comprises scissor type telescopic frame, H type supporting leg, roller, first pivot joint and second pivot joint, the scissor type telescopic frame comprises multiple scissor units, and the scissor unit further comprises two inclined arms, the middle part of the two inclined arms is pivotally connected through the first pivot joint to form a middle pivot joint, the upper end and the lower end of the two inclined arms are pivotally connected to the corresponding inclined arm in the adjacent scissor unit through the second pivot joint to form an upper end pivot joint and a lower end pivot joint respectively, and the roller is rotatably connected between the corresponding upper end pivot joints in the two groups of scissor type telescopic frames, in the two groups of scissor type telescopic frames, the middle pivot joints located on the left side or the right side of each H type supporting leg are pivotally connected to adapt to the change of the local gradient of the scissor type telescopic frame, and the utility model can be arranged in the site with gradient, and has good applicability.

The utility model discloses a quick mounting structure of an armature assembly, which comprises a base and the armature assembly, the base comprises two oppositely arranged bearing walls, each bearing wall is respectively provided with a pivot joint groove, the pivot joint groove is also provided with a barrier strip which can be pressed by a rotating shaft to elastically deform, and the armature assembly is arranged in the barrier strip. Through the arrangement of the extending and penetrating pivot joint groove and the arrangement of the barrier strip at the pivot joint groove, the rotating shaft can abut against the barrier strip to elastically deform in the process of installing the rotating shaft in the pivot joint groove until the rotating shaft is separated from the barrier strip and the barrier strip resets to abut against the circumferential direction of the rotating shaft when the rotating shaft is installed at the bottom of the pivot joint groove, and therefore the rotating shaft is limited to rotate at the bottom of the pivot joint groove. When the armature assembly is installed, the armature assembly only needs to be pressed into the pivoting groove, other steps are not needed, rapid installation of the armature assembly can be achieved, the structure is simple, and cost is low.

The utility model relates to an adjustable lower limb raising pad which comprises a base and is characterized in that the lower limb raising pad further comprises a first supporting plate and a second supporting plate, the rear end of the first supporting plate is pivoted with the rear end of the base, a first adjustable supporting piece used for adjusting the raising angle of the first supporting plate is arranged between the first supporting plate and the base, and a second adjustable supporting piece used for adjusting the raising angle of the second supporting plate is arranged between the second supporting plate and the base. A first angle measuring device is arranged at the pivoted part of the first supporting plate and the base; the rear end of the second supporting plate is in pivot joint with the front end of the first supporting plate, a second adjustable supporting piece used for adjusting the lifting angle of the second supporting plate is arranged between the second supporting plate and the base, and a second angle measuring device is arranged at the pivot joint position of the second supporting plate and the first supporting plate. The lower limb lifting device is simple in structure and reasonable in design, can be used for lifting lower limbs, and enables a patient to conveniently do supine hip and knee bending exercises.

The invention discloses a joint mechanism, a mechanical arm and a surgical robot system. The joint mechanism comprises a first rotating part, a second rotating part and a rotating supporting part. The first rotating part is provided with a first pivoting end, and the first pivoting end comprises two first connecting parts which are symmetrically arranged. The second rotating part is provided with a second pivot joint end, and the second pivot joint end comprises two second connecting parts which are symmetrically arranged. The rotary supporting component comprises a first bearing part and a second bearing part which can rotate relative to the pivot axis, and the first bearing part surrounds the periphery of the second bearing part. The number of the rotating supporting parts is two, the two first bearing parts are fixedly connected with the two first connecting parts respectively, the two second bearing parts are fixedly connected with the two second connecting parts respectively, and the first rotating part and the second rotating part can deflect around the pivot axis. According to the joint mechanism, the two rotating parts are not biased along the hinged axis, sufficient space is provided for arranging the rotating supporting parts, and the hinged rigidity is good and the hinged strength is large.

OMNIDIRECTIONAL WHEEL AND OPERATING METHOD A spherical omnidirectional wheel comprises a support (2) attached to a frame by a first and a second power shaft (9, 10) forming a pivot joint defining a first axis of rotation (XX). A first hemisphere (3) and a second hemisphere (4) are attached to the support (2) and are separated by a support plane passing through the support (2). A first and a second gear (5, 6) are coupled respectively to the first and second power shafts (9, 10). A third bevel gear (7) is meshed with the first and second gears (5, 6). The third gear (7) is fixed to the first hemisphere (3) and the second hemisphere (4) to rotate the first and second hemispheres (3, 4) around the first axis of rotation (XX) and around a second axis of rotation (YY).

The utility model discloses a kind of clamping jaw mechanism and turnover subassembly, clamping jaw mechanism includes clamping jaw main body, clamping jaw main body includes push-pull piece, left and right connecting rods, clamping fixed seat, clamping power piece and the left and right clamping parts of relative arrangement, the interval space between left and right clamping parts constitutes clamping cavity, clamping fixed seat is equipped with left and right guide grooves, left clamping part is equipped with first, second left pivot joint part, first left pivot joint part is pivoted with the one end of left connecting rod through left pivot joint axle, and left pivot joint axle is movably arranged in left guide groove, second left pivot joint part is pivoted with the left side of clamping fixed seat, the other end of left connecting rod is pivoted with push-pull piece, right clamping part is equipped with first, second right pivot joint part, first right pivot joint part is pivoted with the one end of right connecting rod through right pivot joint axle, and right pivot joint axle is movably arranged in right guide groove, second right pivot joint part is pivoted with the right side of clamping fixed seat, the other end of right connecting rod is pivoted with push-pull piece. The utility model improves the versatility of clamping jaw mechanism.

Massage device (3) comprising: - a frame (30), - a treatment chamber (7) within which a skin fold is intended to be formed, - a first flap (8) assembled to the frame by a pivot joint (34) about a first axis of rotation (X1), - a first drive means (18) configured to rotate the first flap about the first axis (X1), - a first roller assembly (10) comprising a body (11) fixed to the first flap, and a roller (12) assembled to the body by a pivot joint (81) about a second axis of rotation (X3), the roller (12) being arranged in the treatment chamber (7), the first roller assembly further comprising a second drive means (16) configured to rotate the roller about the second axis of rotation. Figure for the abbreviation: Figure 12

The invention relates to an armrest device (4) for a vehicle seat (1), comprising an armrest (5) and a support (10), wherein the armrest (5) can be pivoted on the support (10) into a particularly upright non-use position and into a particularly folded use position. It is provided that the armrest (5) has a support arm (8) and an armrest (7) which is movable on the support arm (8) in the longitudinal extension of the support arm (8), wherein the support arm (8) is pivotably mounted at one end on the support (10) about a pivot axis (6) by means of a pivot joint (9), and that the armrest (7) is associated with a device (14) which, when the armrest (5) is pivoted from the use position to the non-use position, moves the armrest (7) away from the pivot joint (6) into a safety position when a predefinable limit angle is exceeded by the pivot angle (α) of the armrest (5).

The utility model relates to the technical field of machining tools, in particular to a novel corrugated pipe beating device which comprises a mother shell, a son shell, a pressing rod and a limiting ring, shaft sleeves of pivot joint structures are integrally formed on the mother shell and the son shell respectively and then are fixed in a pivot joint mode through locating pins, and the problem that vibration and falling are prone to occurring in a pivot joint mode is solved. The pressing rod is limited to move in the installation channel of the female shell through the limiting ring of the C-shaped clamping spring, the problem that the pressing rod is prone to falling and losing is solved, and the wave beating device has the advantages of being simple in structure, stable, firm and good in wave beating effect, and the practicability of the wave beating device is enhanced.

A support apparatus (10), comprising a first frame body (100), a second frame body (200), pivot joints (300) and a first locking mechanism. Each pivot joint comprises a first pivot base (310) arranged on the first frame body and a second pivot base (320) arranged on the second frame body. The first pivot bases are pivotally connected to the second pivot bases, such that the first frame body is pivotally connected to the second frame body, so as to allow the support apparatus to be switchable between an unfolded state and a folded state. The first locking mechanism is arranged between the first pivot bases and the second pivot bases, and can lock or unlock relative pivoting between the first frame body and the second frame body.

A resection device for resecting a bone of a bone arrangement without user interaction comprises a fastening element for rigid fastening to the bone arrangement and a base element rigidly connected to the fastening element. The base element includes a base element longitudinal axis. The device comprises a rotatable connecting element arranged rotatably about the base element, wherein the base element longitudinal axis forms an axis of rotation for the rotatable connecting element, and a displaceable connecting element. The displaceable connecting element performs a translation along the axis of rotation relative to the base element. The device comprises a connecting element connected to the displaceable connecting element or the rotatable connecting element via a pivot joint. The pivot joint includes a pivot joint axis of rotation. The connecting element can be rotated about the pivot joint axis of rotation. The connecting element includes an end effector for bone resection.

An awning including an awning canopy and a set of arms each comprising a distal arm and a proximal arm connected by a pivot elbow is described herein. The set of arms are capable of supporting the awning canopy in partially and fully extended positions. Each distal arm is configured to be angled relative to a plane corresponding to the proximal arm of the same arm. The set of pivot elbows are configured to pivotally connect each pair of distal and proximal arms with the set of pivot elbows each including a pair of pin supports. The pin supports within each pair of pin supports are not mirror images of one another so as to allow the respective distal arm to be angled relative to the plane.