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JP7419524B2 |
A joint bearing arrangement (1) for connecting, in an articulated manner, car bodies of a rail vehicle comprises two joint bearings (13, 14) arranged concentrically one within the other, specifically a main bearing (13) as the outer bear...
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JP7391180B2 |
A compressor according to an embodiment includes: a rotational shaft provided with a compressor impeller on one end side; a rolling bearing device for rotatably supporting the rotational shaft; and a housing for housing the rolling beari...
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JP7388955B2 |
In a floating unit, a floating mechanism is provided with: a rolling portion that includes a holding portion fixed to one of a first member and a second member, a sphere held by the holding portion so as to be rotatable in all directions...
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JP2023163862A |
To improve performance of a transmission.An input gear unit 10 provided in a speed reducer 1 comprises: an input shaft 11 having a first input shaft raceway surface K11 and a second input shaft raceway surface K12 on an outer peripheral ...
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JP2023160817A |
To provide a plain bearing arrangement, a nacelle including a plain bearing arrangement for a wind power generator, a wind power generator, and a method for replacing a plain bearing pad in a plain bearing arrangement.The invention relat...
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JP2023160080A |
To provide a self-aligning roller bearing which includes a ring body being between rollers in two rows for guiding the roller in each row in the peripheral direction, with the roller end face on one side of the roller having a convex sph...
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JP7373341B2 |
To provide a rolling bearing having a hard film on an inner ring raceway surface and an outer ring raceway surface of the rolling bearing that improves peeling resistance of the hard film, shows the original property of the hard film, an...
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JP2023544861A |
The present invention provides an inner ring member (13), an outer ring member (14), and at least one plain bearing member (15) disposed between the inner ring member (13) and the outer ring member (14). and a plain bearing member (15) h...
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JP2023145984A |
To ensure fixing force acting on a protective member even when a stop ring for fixing an annular protection member to a fitting part of a bearing ring is attached to a stop ring groove of the bearing ring at an angle with respect to a ra...
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JP7354820B2 |
To increase an allowance amount of the displacement of a shaft member in a direction intersecting with a rotating shaft according to an external force while rotatably pivoting the shaft member around the rotating shaft by blocking the in...
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JP2023539897A |
A bearing assembly (1) is disclosed comprising a first track element (2) and a second track element (4), with a ball (6) disposed between the track elements (2, 4), and a ball (6) arranged between the track elements (2, 4). rolls on a tr...
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JP7333739B2 |
To suppress variations in printing pressure.This mandrel device comprises: a mandrel shaft 1 with a shaft center line O, of which a rear end part 1a is so made as to be a fixed end, as a center; a cylindrical mandrel body 4 with a mandre...
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JP7324070B2 |
To provide a speed reducer which enables reduction of impact sound generated when rotation from a driving source is input.A speed reducer 1 according to an embodiment of the invention includes: a speed reduction mechanism which reduces a...
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JP2023108804A |
To provide a self-aligning roller bearing capable of obtaining high lubrication on an end surface of a roller and a guide surface of a bearing ring, while facilitating machining work.In a configuration of a holder 140 of a thrust self-al...
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JP2023108344A |
To facilitate attachment/detachment of a cover in a bearing unit having a cover attachment structure.A bearing unit 1 includes: a bearing 10; a bearing box 25 provided at the inner side of the bearing 10; and a cover 15 attached to the b...
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JP2023102849A |
To provide a self-aligning roller bearing in which a DLC coating part is formed on a rolling surface of a roller, and its film thickness is limited to 1 to 2 μm to prevent peeling of coating, so that it is possible to maintain effects o...
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JP2023095277A |
To provide a self-aligning roller bearing which enables a retainer to be guided smoothly and may suppress noise, vibration, and heat generation.A guide surface 22 located adjacent to the axial outer side of an inner ring raceway surface ...
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JP7292769B1 |
An object of the present invention is to improve the stability of a rotor during rotation, reduce vibration, and reduce noise. A split type motor includes an air duct (10) and an armature module, the armature module including a housing (...
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JP2023082314A |
To provide a toroidal type continuously variable transmission capable of regulating a radial displacement of a disc.In a toroidal type continuously variable transmission, a restriction member 70 that restricts radial displacement of at l...
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JP7272648B2 |
[Object] To provide a shaft bearing capable of reducing rotational resistance of a drive shaft by use of a ball bearing instead of a bush (slide bearing).[Constitution] A shaft bearing includes a bearing, a cylindrical holder, and an ela...
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JP7265287B2 |
The present disclosure relates to a frictional wave reducer mainly used for industrial robot joints and having an operating principle modified from that of a conventional strain wave gearing, which includes a wave generator having a coni...
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JP2023055543A |
To provide a bearing device with wheels that is light-weight and excellent in impact resistance, and can suppress axial play of the bearing to prevent generation of vibration and noise.A bearing device with wheels comprises at least one ...
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JP2023514977A |
The present invention relates to a structural plain bearing 210 for connecting a first structural component to a second structural component. Said structural plain bearing 210 comprises a bearing pedestal 212 connectable to a first struc...
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JP7252042B2 |
Provided is a self-aligning roller bearing for supporting a main shaft of a wind power generator, the self-aligning roller bearing including an inner ring, an outer ring, two rows of rollers, and retainers. Each of the rollers has an out...
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JP7249768B2 |
To provide a dynamic vibration absorber capable of suppressing resonance of not only vibration in a rotating direction of a rotating shaft but also vibration in an inclination direction of the rotating shaft to a center axis of the rotat...
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JP2023044212A |
To provide a wheel support device for a wheelchair which achieves reduction of rotation torque of a wheel.A wheel support device 9 for a wheelchair includes: a hub shaft 8 fixed to a vehicle body frame; a hub 10 which is provided at a ce...
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JP7246835B2 |
This rotary crushing machine is provided with a main shaft, and a revolving member. The main shaft is supported in such a way as to be capable of spinning about an axis. The revolving member rotates, causing the axis of the main shaft to...
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JP7243848B2 |
A semi-floating bearing (multi-lobe bearing) includes a radial bearing surface that is formed on an inner circumferential surface of a body, and that includes a plurality of arcuate surfaces having mutually different centers of curvature...
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JP7239508B2 |
To provide a technology capable of suppressing sudden reduction of an oil film pressure between an inner peripheral surface and a shaft at an end portion of each member corresponding to a semi-periphery in a half-split bearing.A bearing ...
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JP2023022883A |
To achieve a structure which easily reduces manufacturing cost.A lower shell 3, an inner tube 61 and a lower bush 62 are coupled and fixed to each other in the state where an end part on one side in an axial direction of the lower shell ...
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JP2023019667A |
To provide a wheel bearing device capable of preventing misconception of displayed information on internal clearance, and suppressing variation of preload after being mounted to a vehicle.A wheel bearing device 1 comprises: an outer ring...
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JP7216585B2 |
To provide a centrifugal fan in such a structure that the outer peripheries of outer rings of bearings are fixed thereto for suppressing the vibration propagation of the bearings to a casing.A centrifugal fan 100 includes an inside sleev...
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JP2023010158A |
To provide a rolling bearing device capable of stably detecting a state of a rolling bearing by a sensor.A rolling bearing device includes a housing, and a rolling bearing stored in the housing. A sensor attachment seat with which a dete...
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JP2023007883A |
To provide a worm reduction gear which can suppress the size enlargement of a housing in an installation point of a spring which energizes a tip part of a worm toward a worm wheel side, can easily secure a degree of freedom of the design...
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JP2023007465A |
To provide a Ferris wheel installation that makes it possible to limit the stresses generated in the region of the interface between the gondolas and the wheel rim of the Ferris wheel.A Ferris wheel installation (10) has at least one gon...
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JP7192125B2 |
A pivot bearing (1), includes a metallic first bearing element (2) made of steel, which is at least partially coated by means of a coating (5), a metallic second bearing element (3) made of steel, which is coated with a PTFE-containing s...
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JP7181806B2 |
To provide a slide member that causes a DLC layer to deform when it follows a substrate material to improve conformability and improve anti-seizure property with the improvement.A slide member 10 includes: a bearing alloy layer 11; and a...
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JP7179899B2 |
The invention relates to a mounting assembly with a spherical bearing for mounting a rocket engine and a rocket having such mounting assembly. The spherical bearing comprises a spherical bearing base, a spherical retaining ring and a sus...
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JP2022172815A |
To provide a slide bearing which enables easy aligning of a rotary shaft, prevents partial wear, and achieves the long life, and to provide an angling machine including the slide bearing.A slide bearing includes: a first member which has...
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JP2022172542A |
To maintain sealing performance even when a rotary shaft being rotated changes its inclination angle.A mechanical seal 10 includes a rotary unit 11 having a rotary seal ring 16 and rotatable integrally with a rotary shaft 8, a stationary...
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JP7170408B2 |
To reduce a contact sound accompanied by the contact of a cage with rollers and a bearing ring, in a self-aligning roller bearing.This self-aligning roller bearing 10 has a cage 14 having a single annular part 14a which is located betwee...
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JP2022171155A |
To provide a rolling bearing of which the durability is improved against hydrogen embrittlement under the conditions that oil film shortage easily occurs.A rolling bearing includes an inner ring, an outer ring, and rolling elements. The ...
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JP7156802B2 |
Provided is a transport jig to be packed together with a double-row self-aligning roller bearing having an intermediate flange when the double-row self-aligning roller bearing is transported. The transport jig is formed in a ring shape h...
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JP2022159545A |
To obtain a bearing device capable of effectively suppressing the reduction of vibrations by a rotary shaft.A cylindrical bearing case 5 supports a bearing 4 from an outer peripheral side of the bearing 4. The bearing case 5 includes a p...
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JP2022149594A |
To provide a speed reducer capable of achieving reduction in weight and compactification, and capable of suppressing an increase in surface pressure occurring in components of a bearing.A speed reducer (1) comprises a reduction mechanism...
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JP2022150231A |
To provide a bearing device which enables reduction of a moment which swings a bearing pad.A bearing device includes: a bearing pad having a pad surface capable of supporting a rotary shaft extending in an axial direction, a back surface...
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JP2022150800A |
To suppress abrasion between a roller rolling surface and a raceway surface of a self-aligning roller bearing.A drop amount D1 of a roller rolling surface 4a at a bearing center side end part is made larger than a drop amount D2 of the r...
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JP2022148350A |
To provide a self-aligning roller bearing for suppressing generation of deflection of a column part of a cage in pocket machining.Provided is a self-aligning roller bearing, in which spherical rollers 4 are incorporated between a spheric...
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JP2022141126A |
To improve smoothness of a rod for driving a flap of a hydrofoil.A rod system 7 of a hydrofoil vessel 1 includes: a rod 72 coupled to a front unit flap 41 as well as being inserted into an insertion space 31 in the front unit strut 3 for...
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JP2022141128A |
To stably rotate a strut without enlarging a strut rotation mechanism.A strut rotation mechanism 7 of a hydrofoil vessel 1 includes: a front unit strut 3 of a front unit foil 4 (hydrofoil); a shaft 72 coupled to the front unit strut 3 fo...
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