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JP2022002952A |
To provide a drum brake device which can perform both main brake and parking brake.The invention relates to a drum brake device and includes: a housing 100; a main brake part which is provided at one side part of the housing and driven b...
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JP2021188652A |
To provide a compact lower reinforcing ring which is hardly solidified while two or more rings are superimposed on one another even if being applied with adhesive coating processing.A lower reinforcing ring embedded into a dust cover has...
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JP2021188646A |
To provide a dust cover capable of keeping a stable installation state at the rocking of a ball stud.A dust cover is installed to a ball joint that is equipped with a socket having a socket body having an opening and a socket collar prov...
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JP6971401B2 |
A disk brake includes a cylinder including a bottomed bore portion in which a piston is received movably in an axial direction. The cylinder includes an annular small-diameter stepped portion formed on an opening edge side of the bore po...
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JP6964201B2 |
A ball joint and a dust cover in which a stable sealing function can be provided even when a space for disposing the dust cover is small are provided. The dust cover 100 includes a deformable body portion 110, a fixed portion 120 which i...
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JP6964478B2 |
To suppress a central portion of a bellows part from expanding and deflectively rotating due to centrifugal force in high speed rotation of a propeller shaft without a separate member for supporting the bellows part.In a high speed rotat...
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JP6962805B2 |
To provide an air spring capable of improving pressure resistance and horizontal allowable displacement performance.A cylindrical diaphragm 5 is disposed between an upper face plate 2 and a laminated rubber 3 and a stopper 4. An upper be...
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JP6959048B2 |
To provide a bellows fixing structure which can accurately and rigidly weld a bellows holder and a bellows by making their thermal capacities at welding approximate each other, can form the bellows holder into an easy-weldable thin-plate...
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JP6955628B2 |
It is a technical object of the present invention to provide a boot clamping structure for a constant velocity joint that can securely fasten a clamp and a boot so that the clamp and the boot do not run against each other. To this end, t...
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JP6954987B2 |
A tensioning cylinder device includes a housing (2), at least partly longitudinally movable piston-rod unit (30, 34) arranged in the housing and a compensating element in the form of a bellows body (18) having bellows folds. The bellows ...
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JP2021165582A |
To provide a dust cover which has a small number of components, enables reduction of a degree of distortion when fixed, and prevents early damage in use.A dust cover 100 includes: a dust cover body 10 formed by a cylindrical elastic mate...
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JP6949681B2 |
To provide a disc brake device capable of effectively protecting an expandable member from external factors such as snow accretion, and also excellent in durability.A disc brake device comprises: a braking disc 1; an expandable member 2 ...
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JP2021156333A |
To provide a cylinder device capable of improving strength of a dust cover against input in a direction orthogonal to an axis.A dust cover that is attached to a rod and covers at least part of a portion of the rod that protrudes from a c...
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JP6944512B2 |
A bellows excellent in durability is provided.In a bellows 10 in an accordion shape where crest parts 10A with U-shaped cross sections and trough parts 10B with U-shaped cross sections are repeatedly formed via slope parts 20, 30, the bo...
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JP2021526099A |
The vehicle steering assembly has a steering ball joint at one end, a hub member (22) of the wheel (21), and a bellows seal (10) located between the steering ball joint and the hub member (22). Equipped with a tie rod (20). The steering ...
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JP6943420B2 |
To provide a circlip whose end part hardly damages a dust cover, and a ball joint including the circlip.A circlip 18 comprises one end region 41, the other end region 42, and a circular arc-shaped intermediate region 43 connecting betwee...
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JP2021148175A |
To provide a bellows structure body capable of preventing aging breakage of a bellows part which is repeatedly stretched and shrunk.A bellows structure body 2 is provided to a housing, which houses a heating element heated by energizatio...
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JP2021148174A |
To provide a bellows structure body capable of reinforcing a bellows part which is repeatedly stretched and shrunk.A bellows structure body 2 is provided to a housing 13, which houses a heating element heated by energization, and is fill...
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JP2021148218A |
To provide an elastic boot for a seal capable of easily and accurately grasping whether or not predetermined tightening force is applied to a cylindrical part.A boot 20, in which a boot band 30 that applies tightening force in a diameter...
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JP2021143729A |
To provide an elastic boot for a seal capable of easily and accurately tightening a boot band.A boot 10 is formed of an elastic material in a cylindrical shape, and provided with a large-diameter cylindrical part 21 as a fixing part to a...
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JP2021143715A |
To surely fusion-weld a metal molding bellows and a metal member.In a manufacturing method of a bellows assembly including a bellows joining process of joining a metal member and a molding bellows by fusion-welding the metal member 21 fo...
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JP6940155B2 |
To provide a diaphragm member formed as a diaphragm structure to which laser welding is applied for connecting an auxiliary shaft and a central part of a diaphragm even when the diaphragm is as thin as a film while selecting a film-like ...
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JP2021134899A |
To improve the seal performance of a dust cover.A dust cover 12 is elastically deformable, and used in a ball joint 100 having a ball stud 20 having a shaft part 21 and a spherical part 22 arranged at one end of the shaft part 21, a sock...
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JP6928078B2 |
A check valve (1) for a through hole in a compartment wall (100) comprises an elastic membrane (20) covering an open end (16) of a flow passage (14), a base (11) to which the elastic membrane (20) is fixed, and a protector (30) covering ...
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JP6930931B2 |
To provide a bellows-like molding that is composed of a thermoplastic elastomer composition and prevents oil bleeding and has bending properties and oil resistance.A bellows-like molding has a thermoplastic elastomer composition (X) that...
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JP6928162B2 |
To provide a fixed type constant velocity universal joint including a ball fall-off preventing mechanism, for achieving a low cost, a light weight and a compact figure.A fixed type constant velocity universal joint 3 includes a ball fall...
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JP6928751B2 |
A piston-chamber combination including a chamber (2) which is bounded by an inner chamber wall (4), and including a piston (1) in the chamber (2) to be engagingly movable relative to the chamber wall (4) at least between a first position...
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JP2021123302A |
To provide a joint mechanism which can improve waterproof effect, and a wiper device.A joint mechanism 10 comprises, on an undersurface 17d of a crank arm 17, a ball joint, and a ball retainer which is so fitted to the ball joint as to c...
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JPWO2020044456A1 |
In the diaphragm of the embodiment, the outer surface of the bottom wall that closes the cylindrical peripheral wall constituting the main valve body portion from one side in the axial direction forms a contact surface with the valve sea...
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JP6924073B2 |
To provide an electric drum brake which enables a cylindrical seal member for making an electric drive device water-proof and dust-proof to be provided at low costs.A second insertion hole 28a through which a parking brake cable 74 passe...
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JP6925135B2 |
To allow a position in a shaft direction of an inner cylinder member to be changed according to layout of peripheral equipment without changing sealability between a column hole of a dust cover for a steering shaft and the steering shaft...
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JP6918698B2 |
This industrial robot comprises: a rotary shaft (15) to which a base end side of an arm is fixed; a bearing (24) that rotatably supports the rotary shaft; a magnetic fluid seal device (18) that is arranged at an outer circumferential sid...
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JP2021113605A |
To provide a diaphragm valve which can stably obtain a water cut-off property by reducing an individual difference.In a diaphragm valve 10, a diaphragm 12 is provided at a body 11 and closes a flow passage 24 by coming into contact with ...
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JP6911573B2 |
To provide a dust cover capable of improving sealability for a clearance between a steering shaft and a dash panel.The dust cover includes: a bush fitted on an outer-peripheral surface of a steering shaft penetrating through a cylindrica...
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JP6906408B2 |
To constitute a damper capable of attenuating even minute vibration.A piston-type damper 1 comprises a piston 2 provided with a rod 4 on both sides in an axis direction, and formed with a plurality of grooves 23 extending from one surfac...
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JP6905525B2 |
A pneumatic brake booster in which, for improving the sealing and simplifying the assembly of sealing elements, it is proposed that the booster housing in the bearing region of at least one sealing element has a metal coating having a su...
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JP6903757B2 |
A rolling boot that has improved stability especially at increased rotational speeds comprises a first fastening region, a second fastening region, a transition region adjacent to the first fastening region, as well as a diaphragm region...
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JP6899299B2 |
To provide a dust cover capable of improving durability by reducing bending fatigue.In a dust cover 100 integrally including a body portion 110 constituted to be expanded at a central portion, and composed of a deformable rubber elastic ...
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JP6900404B2 |
An injection-molding method for manufacturing a sleeve (1) comprising a cylindroconical body comprising at least one deformable bellows portion (2) arranged in line with a base (3), by means of tooling comprising a mold (8) formed of at ...
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JP2021099150A |
To provide a static pressure fluid support device which enables adjustment of an initial gap between a valve seat part and a diaphragm.A variable throttle device 10 includes: a housing 20 having an internal space 21; a fluid storage cham...
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JP6896098B2 |
A piston boot has an annular fixing part that is formed on one end side of a stretchable part and abuts against an inner peripheral side of the cylinder. An outer peripheral surface of the annular fixing part is provided with a first reg...
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JP6897259B2 |
To provide a vehicle wiper device which can inhibit deterioration of sealability.A case 41 has: housing parts 43 which partially open, house ball parts 33, 34, and slidably contact with the ball parts 33, 34; lip parts 44, each of which ...
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JP2021097554A |
To solve the problem of a direct acting vehicle-onboard actuator, where an opening for a shaft to project is covered with a bellows-shaped boot that prevents ingress of water, and this boot, for example, has its thick annular seal, linke...
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JP6891685B2 |
To provide a column hole cover which has an improved function for prevention of entry of a noise into a cabin.A column hole cover 6 which is located between a housing 4, which accommodates a pinion shaft 32 which is rotated according to ...
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JP6890005B2 |
The diaphragm bellows includes a plurality of diaphragms (1) with outer edges (3) and inner edges (2), wherein diaphragms (1) that follow one another in the direction of the central longitudinal axis (5) of the diaphragm bellows are weld...
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JP6890481B2 |
To provide a sealing device which can further improve a function for suppressing the intrusion of foreign matters and the transmission of a sound.A sealing device comprises: an annular attachment part attached to an internal peripheral f...
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JP2021091398A |
To provide a dust cover facilitating the manufacturing of a seal member.A dust cover is equipped with a bush attached to an outer peripheral surface of a steering shaft penetrating a cylindrical member of a dash panel, and annular bellow...
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JP6883105B2 |
A pneumatic brake booster having a vacuum chamber and a working chamber in a booster housing separated from one another by an elastic diaphragm. The diaphragm bears in regions against a diaphragm plate axially displaceable between a zero...
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JP6884074B2 |
To make compatible both the securement of seal performance between a large-diameter fixed part of a resin-made CVJ boot which is assembled with a grommet interposed therein and the grommet, and the securement of the attachment performanc...
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JP2021085483A |
To provide a diaphragm improved in durability and a diaphragm valve.A diaphragm 20 has a metallic thin plate 21 formed in a partially spherical shell shape, as impact dispersing sheet 22 partially provided at a center portion on a convex...
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