3440results about "Linear bearings" patented technology

A slide rail assembly includes a first rail, a supporting feature, a second rail and a handle. The supporting feature is arranged on one of the first rail and the second rail. The handle is movably mounted on the other one of the first rail and the second rail. When the handle is moved from a first operating position to a second operating position, the handle is configured to contact the supporting feature in order to drive the second rail to move from a predetermined position along a direction.

A slide rail assembly (20) includes a first rail (22), a second rail (24) a blocking feature (28) arranged on the first rail (22), two operating members (31, 32) and a locking member (30) . The two operating members (31, 32) and the locking member (30) are movably mounted on the second rail (24). When the second rail (24) is located at a predetermined position and when the locking member (30) is in a locking state, the locking member (30) and the blocking feature (28) are configured to block each other to prevent the second rail (24) from being moved away from the predetermined position. When one of the two operating members (31, 32) is operated, the locking member (30) is configured to be driven to move from the locking state to an unlocking state to allow the second rail (24) to be moved away from the predetermined position.

To provide a perforating and skew rolling integrated forming device for a hollow shaft, the hollow shaft having a compact structure, a small volume, and a stable and reliable rolling performance compared to cross wedge rolling / molding, and being capable of primary forming of train hollow stepped shafts, thus making it highly versatile.SOLUTION: The device includes a base 1, a lifting bar 2, a perforating and rolling component fixed on the base, a stepped shaft rolling component, a support groove 3, and an electrohydraulic push rod 4, wherein the support groove is located on an inlet side of the perforating and rolling component and is used for placing a material 100 to be rolled, the electrohydraulic push rod is used for pushing the material to be rolled into the perforating rolling component, the stepped shaft rolling component is located at an outlet side of the perforating and rolling component, the lifting bar is used to axially penetrate into the material to be rolled in an axial direction to form a central hole, the lifting bar and the electrohydraulic push rod are provided opposite to each other, and the lifting bar is driven by a lifting bar drive mechanism.SELECTED DRAWING: Figure 1

To provide a linear motion guiding device that can enhance function of high-dust proof and high-hermetic sealability by improving a seal member.SOLUTION: A linear motion guiding device includes a side seal disposed between a slider and a guide rail. The side seal includes: a retainer plate disposed on a slider side; a cover disposed on a far side from the slider relative to the retainer plate; and a seal member nipped between the cover and the retainer plate along a longitudinal direction of the guide rail. The seal member includes: a body retained by the retainer plate; and a lip part extending in a flat shape toward a guide rail side from the body. A space is formed between the retainer plate and the cover and between the body and the lip part.SELECTED DRAWING: Figure 3

A material needle is insertable into a guide channel of a spray gun and is displaceable along a longitudinal axis to open and close a nozzle opening of the spray gun material nozzle by a defined needle stroke movement. The material needle has front and rear needles which are releasably connected together to guide axial forces via an axial form-fitting connection. The axial form-fitting connection is formed by front form-fitting elements arranged on the front needle and rear form-fitting elements arranged on the rear needle. The front and / or rear form-fitting elements can be elastically deflected in a direction perpendicular to the longitudinal axis to release the axial form-fitting connection. The axial form-fitting connection is secured against being released by a securing member which includes an externally sliding bearing surface of the front needle and / or the rear needle to interact with a corresponding sliding surface of the spray gun.

A linear guide unit with a profiled body, the profiled body having a base plate with an upper side and a bottom side, and a movement unit which has a carriage and which has a guiding unit with a first guiding module located on the carriage and a second guiding module. The movement unit is mounted on the profiled body so as to be linearly movable in the longitudinal direction. A first mounting extension and a second mounting extension project from the bottom side, in which a first support surface of the first mounting extension and a second support surface of the second mounting extension project from the bottom side in a direction opposite to a vertical direction, a first clamping surface being provided on the first mounting extension and a second clamping surface being provided on the second mounting extension.

The present invention relates to a motor vehicle seat slide (1) comprising an upper, movable male profile (2) and a lower female profile (3), comprising a base wall (30), and a position sensor (4) attached to the male profile (2) and housed at least partially in an internal space (EI) delimited between the male profile (2) and the female profile (3), which position sensor is configured to detect a movement between the male profile and the female profile when the slide slides, said position sensor (4) being configured to be inserted into the internal space (EI) through a mounting window (FE1) in the first side wall (23), and in a transverse insertion direction (Y) perpendicular to the longitudinal direction of the slide, said position sensor (4) comprises a sensor body (40), as well as a spring locking member (5) which is made of metal and hingedly connected to the sensor body (40).

The present invention relates to a slide system (1) comprising a first slide member (10) having a slide surface (14) at least partly coated with a lipophilic composition coating (18) to provide a slide layer (19) with lowered friction, and a second slide member (20) arranged in sliding contact with the slide layer (19) at an interface to provide a slide system (1). The interface between the slide layer (19) and the second slide member (20) forms a plain bearing to allow for sliding movement of the second slide member (20) relative to the first slide member (10). At least the slide surface (14) of the first slide member (10) is made of a first plastic, and at least a part of said second slide member (20) being in sliding contact with the slide layer (19) is made of a second plastic. The first and the second plastics are different plastics. The invention further relates to a method for providing said slide system (1).

A linear guide includes a first rail, a second rail, and a retainer. The first rail has a first opposite side facing a second opposite side of the second rail. The first opposite side has a first raceway surface. The second opposite side has a second raceway surface. The retainer includes a plurality of rolling elements roll on the first raceway surface and the second raceway surface. A rotatable toothed wheel is pivotally connected to the retainer. A plurality of first protrusions are planted at equal intervals on the first opposite side other than the first raceway surface. A plurality of second protrusions are planted at equal intervals on the second opposite side other than the second raceway surface. The toothed wheel meshes with the first protrusions and the second protrusions to prevent the retainer from creeping on the first rail and the second rail.

The invention relates to an extension guide (1) for mounting a movable furniture part linearly movably along an extension direction (2), comprising a carcass rail (10) which can be fixed to a furniture carcass, a drawer rail (50) which can be fixed to the movable furniture part, and a linearly movable center rail (30) arranged between the carcass rail (10) and the drawer rail (50), at least one load-transmitting inner carriage (20) arranged between the carcass rail (10) and the center rail (30) and at least one load-transmitting outer carriage (40) arranged between the center rail (30) and the drawer rail (50). The extension guide 1 can be easily and cost-effectively adapted to different rail lengths in that that the inner carriage (20) and / or the outer carriage 40 is / are formed of a plurality of segments (21, 24, 40.1, 41, 42) which are connected to one another, preferably detachably connected.

The invention relates to a device 1 for the linear movement of a gantry of a computed tomography scanner. The device comprises a carriage 2 with a first part 4 of a measuring system and a guide rail 5 received in a recess 11 in the floor 12. The guide rail 5 has a second part 8 of a measuring system in a recess 7, the recess 7 being covered by a cover plate 9. The carriage 2 has a friction roller 3 which rolls on a guide shaft 10 projecting from the floor 12 and received in a groove of the guide rail for linear movement.

The system for generating electrical energy enables the generation of electrical energy in a linear motion device having a first device component and a second device component, wherein the second device component is supported on the first device component via rolling elements (WK), such that the second device component is linearly movable relative to the first device component. The system for generating electrical energy comprises: the rolling elements (WK), which are movable along a direction of movement (BR) during operation of the linear motion device;a device (PM) for generating a static magnetic field in a spatial region (RB) which the rolling elements (WK) must traverse one after the other during operation of the linear motion device during a movement along the direction of movement (BR), wherein the rolling elements (WK) consist of a magnetically permeable material, so that the rolling elements (WK) are suitable for influencing the magnetic field depending on the position of the rolling elements (WK) in the one spatial region (RB);and at least one induction coil (IS) with at least one coil turn, wherein the at least one induction coil (IS) is arranged stationary relative to the device (PM) for generating a static magnetic field in such a way that, due to a change in the position of the rolling elements (WK) during a movement of the rolling elements (WK) along the direction of movement (BR) through the one spatial region (RB), it experiences a change in a magnetic flux which induces an electrical voltage (Uind) in the at least one coil turn;

A linear motion guide unit includes a rail having a first raceway surface, a slider relatively movably attached to the rail, and a plurality of rolling elements. The slider includes a carriage, an end cap, and an end seal. The end seal includes a first lip portion exposed outwardly on one side in the longitudinal direction and in contact with the rail, and a second lip portion disposed inwardly of the first lip portion and in contact with the rail. The second lip portion has a negative allowance of interference that is greater in a first region facing the first raceway surface than in a second region facing a surface other than the first raceway surface.

The utility model belongs to the technical field of guide rails, and relates to a high-temperature-resistant linear rolling guide rail structure. The guide rail comprises a guide rail body, and ball fixing sliding blocks are arranged on the two sides of the guide rail body. In the using process, the ball fixing sliding block is in rolling fit with the guide rail body through the ball piece, and when the ball fixing sliding block moves along the track of the guide rail body front and back, external air can enter the ball fixing sliding block through the air inlet type alignment heat dissipation communication assembly and the auxiliary air inlet part; the air inlet and outlet cooling structures are additionally arranged, air is fed into the ball pieces which continuously operate, the ball pieces and the contact face, matched with the ball pieces, of the guide rail body are rapidly cooled, a part of heat can be discharged from the bottom of the guide rail body through the inner side heat removal and dissipation structures, and the auxiliary heat dissipation effect is achieved; rapid heat dissipation can be achieved in the running process of the linear guide rail, the high-temperature resistance of the guide rail is improved, and the service life of the rail is prolonged.

The invention relates to the field of linear guide rails, and discloses a linear guide rail module with an oil injection mechanism, which comprises a guide rail bottom plate, guide rail rods and a moving seat, the guide rail rods are mounted at two ends in the guide rail bottom plate, the moving seat sleeves the guide rail rods, and a guide rail cover plate is mounted on the guide rail bottom plate. A shielding structure is arranged at the left end of the upper face of the guide rail cover plate, dust blocking structures are arranged on the front side face and the rear side face of the guide rail bottom plate correspondingly, an oil injection base is arranged on the right side face of the movable base, and lubricating oil is added to oil coating cotton on the rotary oil coating structure through the oil injection mechanism. And meanwhile, when the movable seat moves, the transmission structure automatically drives the rotating structure to rotate with the guide rail rod as the axis, the oiling cotton can be driven to rotate around the guide rail rod, oiling on the guide rail rod is more thorough, and the oiling work quality is improved.

The invention discloses a three-coordinate measuring machine, which comprises a first guide rail; the second guide rail is parallel to the first guide rail; the two ends of the cross beam are movably connected with the two guide rails through a first connecting assembly and a second connecting assembly, and at least part of the cross beam is located in the space between the first guide rail and the second guide rail; the driving unit comprises a first driving mechanism and a second driving mechanism which are assembled to the first connecting assembly and the second connecting assembly correspondingly and used for driving the cross beam to move synchronously along the first guide rail and the second guide rail. The sliding frame is movably connected to the cross beam; the Z-axis assembly is assembled on the sliding frame; the gravity centers of the cross beam, the sliding frame and the Z-axis assembly are coplanar with the top faces of the two guide rails. The invention provides a three-coordinate measuring machine, which ensures the operation stability of a cross beam.

A spindle drive for a vehicle steering gear, including a spindle having an external thread and a spindle nut having an internal thread being guided on the external thread. One of the spindle and spindle nut is rotatable and produces a corresponding translational movement of the other. The other of the spindle and spindle nut is guided via a plain bearing along the axis of rotation relative to a fixed structural part. The plain bearing is formed between sliding surfaces of a first and second bearing part, the first being provided on the other of the spindle and spindle nut and the second being provided on the fixed structural part. One of the first and second bearing parts is designed as an elevation, the other being designed as a recess. The recess surrounds the elevation on both sides in a rotational direction.

A slide rail mechanism is provided and includes a supporting member, a slide rail assembly and a rolling member. The slide rail assembly and the supporting member are displaceable relative to each other. The rolling member is arranged on one of the slide rail assembly and the supporting member. The slide rail assembly is configured to engage with the supporting member via the rolling member.

The invention belongs to the technical field of linear guide rails, and discloses a linear guide rail with a dustproof structure and a dustproof method thereof.The linear guide rail comprises a guide rail body, a guide rail sliding block is slidably mounted on the outer wall of the guide rail body, and a dust removal assembly is mounted on the side wall of the guide rail sliding block and comprises a dustproof box mounted on the side wall of the guide rail sliding block; a sealing assembly and a cleaning assembly are arranged on the inner wall of the dustproof box, a first connecting pipe is arranged in the dustproof box, the inner wall of the first connecting pipe is fixedly connected with dust suction pipes, the dust suction pipes are evenly distributed, an air pump is installed at the top end of the first connecting pipe, a dust collection box is arranged on one side of the top end of the air pump, and a maintenance plate is arranged above the dust collection box. Filter screens are evenly installed on the inner wall of the maintenance plate, dust removal is conducted on the linear guide rail in a dust suction mode through the dust suction pipe, the occupied space of an existing dustproof structure is reduced, and the space utilization efficiency is improved.

The utility model discloses a miniaturized electric slide rail which comprises an outer frame, an inner frame and ball structures, the ball structures are arranged in slide ways on two sides of the outer frame, the inner frame is slidably connected in the outer frame through matching with the ball structures, an electric driving structure is arranged at the rear end of the inner side face of the outer frame, and the front end of the electric driving structure is connected with a transmission structure. The inner frame is arranged above the transmission structure; the transmission structure comprises a lead screw, the lead screw is arranged on the inner side face of the outer frame in the length direction of the outer frame, a lead screw nut is arranged on the lead screw and fixedly connected with the inner side face of the inner frame, and the electric drive structure is in transmission connection with the rear end of the lead screw and drives the lead screw nut to do linear motion along the lead screw. The driving motor is arranged in the sliding rail, so that the internal structure of the sliding rail is more compact, and a large amount of space outside the sliding rail is saved; in addition, the sliding rails are miniature electric sliding rails, so that the overall structural size is small, and the utilization space outside the sliding rails is greatly improved.

A dishwasher appliance may include a slide assembly that may be mounted within the dishwasher appliance. The slide assembly may include an inner member including an engagement tab. The slide assembly may also include a ball bearing slide that is transitionable between an engaged and a disengaged position relative to the inner member. Further, the slide assembly may include an end cap that may be attached and positioned, at least partially, within the ball bearing slide.

The invention relates to the technical field of bearings, discloses a low-wear-rate bearing, and solves the problems that in a conventional linear bearing, balls moving through a curve need to overcome the reverse acting force of balls in another straight way while being stressed to change the direction, the resultant force causes the abrasion of the balls in the curve to be aggravated, and noise is generated. One side of the elastic rubber belt is pressed on the surface of the ball making contact with the elastic rubber belt, the retainer moves on the bearing rod, so that the rubber wheel rolls on the bearing rod, and the rubber wheel drives the elastic rubber belt to move through the driving assembly and the belt wheel, so that the elastic rubber belt moves in the moving direction of the ball in an accelerated mode. In this way, the balls pushed by the elastic rubber belt cannot generate reverse acting force on the balls advancing in the curve, the pressure borne by the balls when the balls pass through the curve is reduced, and meanwhile the abrasion and noise conditions of the balls are reduced.

Apparatuses, systems, methods, and / or the like are provided for a transfer apparatus. An example transfer apparatus includes a bed having a first plurality of balls and a second plurality of balls having a first and second diameter, respectively, and wherein at least one of the first plurality of balls and at least one of the second plurality of balls are configured to rotate relative to the bed, wherein at least one belt of the plurality of belts is operably engaged with the at least one ball of the first plurality of balls or the at least one ball of the second plurality of balls; and a driver operably connected to the at least one belt of the plurality of belts, wherein the driver is configured to power the at least one belt of the plurality of belts.

The invention provides a flexible connection structure which comprises a lead screw, an axial push block connected to the lead screw and a globe roof installation connection block, a groove with an elastic globe roof structure is formed in the globe roof installation connection block, at least part of the axial push block is inserted into the groove, the elastic globe roof structure is in point contact with the two sides of the axial push block, and the elastic globe roof structure is in point contact with the two sides of the axial push block. The elastic ball top structure comprises a first point contact mechanism and a second point contact mechanism which are located on the two sides of the groove, the first point contact mechanism is an elastic point contact mechanism and comprises an elastic ball head plunger, the elastic ball head plunger comprises an elastic telescopic ball head, and the second point contact mechanism is a rigid point contact mechanism and comprises a ball push rod. The ball push rod comprises a rigid fixed ball head, and the two sides of the axial push block are in point contact with the first point contact mechanism and the second point contact mechanism respectively. The invention also provides an objective table. The objective table has the beneficial effect that the influence of transmission external force of the motion shaft of the objective table is well eliminated.

A rolling element retainer, a slide member and a limited-stroke linear guide are disclosed. Rolling elements are placed in the rolling element retainer to form the slide member. The slide member is disposed between two fixed-length rails to form the limited-stroke linear guide. The rolling element retainer includes a body, a plurality of accommodating holes distributed on the body for accommodating rolling element, and a plurality of apertures formed on the body and located between the accommodating holes. Lubricants are stored in the apertures, which can provide lubrication when the rolling elements roll. The body has a polygonal profile and at least four protruding portions protruding away from the body. The protruding portions extend continuously across all the adjacent accommodating holes. In this way, the rolling element retainer has better rigidity and more accommodating holes to accommodate more rolling elements, thereby improving the load capacity of the limited-stroke linear guide.

The present invention pertains to a wear pad for a telescopic boom of a work machine, comprising a base part configured to be fixedly mounted to the telescopic boom, and a top layer part configured to provide a wear-resistant, low friction sliding surface. The top layer part is configured to be releasably mounted to the base part. The invention further pertains to a telescopic boom assembly for a work machine, comprising a first boom segment having at least one first wear pad assembly mounted to a free end of the first boom segment, and a second boom segment having at least one second wear pad assembly mounted to a sliding end of the second boom segment, wherein at least one of the wear pad assemblies comprise a wear pad having a base part and a top layer part configured to provide a wear-resistant, low friction sliding surface. The top layer part is configured to be releasably mounted to the base part. Further, the present invention pertains to a work machine comprising such telescopic boom assembly.

To provide a linear motion unit which can achieve improvement of workability during replacement of a cover member.SOLUTION: A linear motion unit includes a linear motion mechanism and a housing. The linear motion mechanism includes a track member and a movement member. The housing includes a cover member that covers the linear motion mechanism. The cover member includes a fastener extending in a longitudinal direction. The fastener includes a first element, a second element, a first slider, and a second slider. The first slider and the second slider cause the first element and the second element to separate from each other as each moves in a direction away from the side where the other is positioned, and cause the first element and the second element to mesh with each other as each moves in a direction toward the side where the other is positioned. The first slider and the second slider can be fixed to the movement member. The fastener reaches at least one end in the longitudinal direction of the cover member. The one end of the cover member is configured to be openable and closable.SELECTED DRAWING: Figure 8