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1. 发明专利

JPH09100860A SUSPENSION BUSH 失效
公开(公告)号：JPH09100860A
公开(公告)日：1997-04-15
申请号：JP28671095
申请日：1995-10-05
申请人： TOYODA GOSEI KK
发明人： HATANO KATSUYA , TSUIKI TETSUYA
IPC分类号： F16F1/38
摘要： PROBLEM TO BE SOLVED: To prevent slipping and cracking from being generated in receiving of large load as well as to improve shape accuracy of a resin part by enhancing axial strength of an inner cylinder. SOLUTION: A vibrationproof rubber body 3 is joined between concentrically arranged inner and outer cylinders 1, 2, and an outward expanded expansion part 4 is provided on the outer periphery in the axial central part of the inner cylinder 1. The expansion part 4 is integrally formed on the outer periphery in the axial central part of the inner cylinder 1, it is constituted of a projecting part 11 extending along the expansion part 4 shape and smaller than the expansion part 4, and a front layer part 41 for covering the whole front surface of the projecting part 11 and made of a resin material having the constant thickness, the inner cylinder 1 is not provided with a thin wall part, and the axial strength can be therefore secured. Since the wall thickness of the front layer part 41 is constant, and there is no thick wall part on the front layer part, welding is easy, and there are few possibilities of slipping and cracking to be generated caused by large load.

2. 发明专利

JP2000081065A VIBRATION CONTROL MOUNT 失效
公开(公告)号：JP2000081065A
公开(公告)日：2000-03-21
申请号：JP26398798
申请日：1998-09-02
申请人： TOYODA GOSEI KK
发明人： KATO HISAYOSHI , GOTO MASANAO , SUZUKI TATSUO , FURUYA TSUNEICHI , TOYODA MINORU , TSUIKI TETSUYA , TAKEO SHIGEKI
IPC分类号： B60G7/02 , B62D27/04 , F16F1/371 , F16F1/38 , F16F1/387 , F16F3/087
摘要： PROBLEM TO BE SOLVED: To provide a vibration control mount which can be compatible the reduction of a vibration noise with the improvement of a steering stability. SOLUTION: A rubber pad body 3 is joined and arranged between an inner cylinder metal fitting 1 and an outer cylinder metal fitting 2 arranged concentrically and an annular stopper rubber 31 extended from the lower end of the rubber pad body 3 is formed on the surface of a flange 21 formed on the lower end of the outer cylinder metal fitting 2 and contacted to the periphery edge of the stopper plate 4 fixed on the inner cylinder metal fitting 1. A spacer rubber 6 generating a compressed reaction is arranged to the annular space 61 surrounded by the lower end of the rubber pad body 3 and stopper rubber 31 and the stopper plate 4 for the slant relative displacement of the inner cylinder metal fitting 1 and outer cylinder metal fitting 2 and improves a steering stability by reducing the vibration by a friction attenuation for the vibration noise and raising the upward spring constant for the slant input of a big load.

3. 发明专利

JPH0610980A SLIDING BUSH 失效
公开(公告)号：JPH0610980A
公开(公告)日：1994-01-21
申请号：JP10361693
申请日：1993-04-06
申请人： TOYODA GOSEI KK
发明人： HATANO KATSUYA , TSUIKI TETSUYA
IPC分类号： F16F1/38
摘要： PURPOSE:To provide a smooth slip having no rattle with a simple and inexpensive structure having few dumber of part items. CONSTITUTION:The outer periphery of a damping rubber body 3 is jointed with the inner periphery of an outer tube l, and the inner periphery of the damping rubber body 3 is located in contact with the outer periphery of an inner tube 2 having a large diameter at the middle section 21. A fiber layer 4 having a good sliding property is jointed with the inner periphery of the damping rubber body 3, and seal rubber sections 32 extended in contact with the outer periphery of the inner tube 2 are formed at both end sections of the damping rubber body 3. The relative rotation between the inner tube 2 and the outer tube 1 is assured by the fiber layer 4, the fiber layer 4 is kept in contact with the outer periphery of the inner tube 2 with no gap, and no rattle is generated. The number of part items is largely reduced, assembling/ manufacturing man-hours are reduced, and the cost is reduced.

4. 发明专利

JPH09303457A BUMPER SPRING 失效
公开(公告)号：JPH09303457A
公开(公告)日：1997-11-25
申请号：JP13956596
申请日：1996-05-08
申请人： TOYODA GOSEI KK
发明人： TSUIKI TETSUYA , HATANO KATSUYA
IPC分类号： F16F1/36 , F16F9/32 , F16F9/58
摘要： PROBLEM TO BE SOLVED: To improve operation feeling, and prevent generation of hammering noises and intereference noises by providing a characteristic of a bumper spring with non-linearity. SOLUTION: A bumper spring 4 has a double layer structure in which a second cylindrical elastic body 42 made of TPO of high hardness is wound around an outer periphery of a first cylindrical elastic body 41 made of TPO of low hardness. This spring is fitted around a piston rod of a shock absorber, and arranged between a vehicle side member and a shock absorber body. Since the cylindrical elastic bodies 41, 42 of different hardness are superposed, the spring characteristic shows non-linearily. Proper rigidity is kept while initial bearing is softened for improving operation feeling. The cylindrical elastic bodies 41, 42 are concentrically superposed, so that the spring can easily be adjusted.

5. 发明专利

JPH09269028A STABILIZER BUSH 失效
公开(公告)号：JPH09269028A
公开(公告)日：1997-10-14
申请号：JP10357896
申请日：1996-03-29
申请人： TOYODA GOSEI KK
发明人： TSUIKI TETSUYA , HATANO KATSUYA
IPC分类号： B60G21/055 , F16F1/16 , F16F1/36
摘要： PROBLEM TO BE SOLVED: To prevent occurrence of transverse dislocation at a cutout of a stabilizer bush, improve durability of an antivibration rubber body, and prevent occurrence of displacement in respect to a bracket. SOLUTION: A cutout 11 is formed on a cylindrically formed antivibration rubber body 1 for installing a stabilizer bar over whole axial length from an outer periphery of the rubber body 1 to its inner periphery. The cutout 11 has a so form that an end 13 is engaged with an end 14, while opposing to each other therebetween. The ends 13, 14 serve as stoppers in respect to axial displacement for preventing transverse dislocation.

6. 发明专利

JPH08268020A BUSH 失效
公开(公告)号：JPH08268020A
公开(公告)日：1996-10-15
申请号：JP9603495
申请日：1995-03-28
申请人： TOYODA GOSEI KK
发明人： HATANO KATSUYA , TSUIKI TETSUYA
IPC分类号： B60G7/02 , F16F1/38
摘要： PURPOSE: To provide a bush for suspension device which can satisfy both functions of ride comfort and handling stability. CONSTITUTION: A hump part 11 constituted of a configulation expanded into a fan shape is provided in a part of an inner cylinder 1, and an inclined surface is formed on one side of the hump part 11. An outer cylinder 3 having a tapered surface 31 is provided at one end. The taper angle of the tapered surface 31 conforms with the angle of the inclined surface of the hump part 11. A rubber vibration insulator constituted of a rubber elastic body is integrated with inner and outer tubes 1, 3 by a curing and bonding means. An arc-shaped recessed part 22 is formed at a part of the rubber elastic body. A disc stopper 5 having a tapered flange 51 formed so as to face the tapered surface of the outer cylinder 3 is provided, and a cushion part 6 is formed at the tapered flange 51. The stopper 5 and the inner cylinder 1 are integrated so that the cushion part 6 may face the inclined surface.

7. 发明专利

JPH1047433A SUSPENSION BUSHING 失效
公开(公告)号：JPH1047433A
公开(公告)日：1998-02-20
申请号：JP22072696
申请日：1996-08-01
申请人： TOYODA GOSEI KK
发明人： HATANO KATSUYA , TSUIKI TETSUYA
IPC分类号： B60G7/02 , F16F1/38 , F16F15/08
摘要： PROBLEM TO BE SOLVED: To provide a simple vibration-control bushing structure for a suspension, which is improved in its operational stability due to the offset of the axes of its pair of vibration-control bushings, is easily assembled and suppresses a high increase in its costs. SOLUTION: A suspension arm A and a carrier C are coupled together by means of a pair of vibration-control bushings B1 and B2. The first vibration- control bushing B1 comprise an outer cylinder 1, an inner cylinder 3 and a vibration-control rubber body 2 of a fixed thickness arranged therebetween. The second vibration-control bushing B2 has an inner cylinder 4 comprising a thick-walled cylinder body 41 of which inner peripheral hole 411 has its axis inclined relative to the axis of an inner cylinder 1 and a thin-walled cylinder member 42 forcibly pressed into the inner peripheral hole 411 and fixed thereto, to bring a shaft body C1 of the carrier C inserted into the cylinder member 42 and the axis of the bushing body inclined relative to each other. That arrangement causes the axes of the pair of vibration-control bushings B1 and B2 mounted on the same shaft body C1 to be offset relative to each other, to thereby dispense with the provision of a plurality of shaft bodies, facilitate their assembly and reduce the cost therefor.

8. 发明专利

JPH09280286A FITTING STRUCTURE OF STABILIZER BUSH 失效
公开(公告)号：JPH09280286A
公开(公告)日：1997-10-28
申请号：JP11194096
申请日：1996-04-08
申请人： TOYODA GOSEI KK
发明人： TSUIKI TETSUYA , HATANO KATSUYA
IPC分类号： B60G21/055 , F16F1/16 , F16F1/38
摘要： PROBLEM TO BE SOLVED: To prevent generation of horizontal deviation a split part of a stabilizer bush without increasing the number of parts, to improve the durability of a vibration isolating rubber body, and to prevent horizontal deviation from a bush bracket. SOLUTION: In a fitting structure of a stabilizer bush B in which a split 13 extending in the axial direction is provided in a cylindrical vibration isolating rubber body 1, the split 13 is opened and fitted in the vicinity of a bent part of a stabilizer bar S made of a bent rod-shaped material, an inner cylinder of the vibration isolating rubber body 1 is a holding hole 11 of the stabilizer bar S, and tapered parts 11a, 11b of the shape which is gradually expanded outwardly and follows the shape of the bent part are provided on each end part of the holding hole. Even when the vibration isolating rubber body 1 is horizontally deviated, and abutted on the bent part of the stabilizer S, the end parts of the vibration isolating rubber body 1 are tapered along the bent shape, and the horizontal force as the reaction is not generated to prevent the horizontal deviation.

9. 发明专利

JPH09269027A COIL SPRING INSULATOR 失效
公开(公告)号：JPH09269027A
公开(公告)日：1997-10-14
申请号：JP10357996
申请日：1996-03-29
申请人： TOYODA GOSEI KK
发明人： TSUIKI TETSUYA , HATANO KATSUYA
IPC分类号： F16F1/12 , F16F9/32
摘要： PROBLEM TO BE SOLVED: To improve operation feeling, assembling performance and operability, and prevent generation of abnormal noises. SOLUTION: A coil spring insulator which is arranged between a coil spring 2 of a vehicular suspension and a spring seat 3 supporting the coil spring 2 is composed of a lamination body made up of a ring-like antivibration rubber sheet 51 and a layer 52 showing high slidability. The layer 52 is attached into a ring-like groove 3a formed on the spring seat 3. A circumferentially extending recession 5a is formed on an end face of the antivibration rubber sheet 51. An end of the coil spring 2 is held in the recession 5. Small frictional resistance is shown between the layer 52 and the spring seat 3 for generating sliding therebetwen. An apparent spring value is reduced, and operation feeling is improved. Since the frictional resistance is small, abnormal noises to be generated due to dislocation of the rubber and the metal parts, and positioning at the time of assembling is facilitated.

10. 发明专利

JPH10331908A LIQUID FILLING TYPE VIBRATION ISOLATOR 失效
公开(公告)号：JPH10331908A
公开(公告)日：1998-12-15
申请号：JP10349898
申请日：1998-03-30
申请人： TOYODA GOSEI KK
发明人： KATO HISAYOSHI , SUZUKI TATSUO , TSUIKI TETSUYA , GOTO MASANAO , ASANO TETSUO
IPC分类号： B60K5/12 , F16F13/26
摘要： PROBLEM TO BE SOLVED: To use a small-sized vibrator to propagate great exciting force to liquid staying inside a main chamber. SOLUTION: An insulator 5, a main chamber 6 and an auxiliary chamber 7 enclosing non-compressive fluid, a first orifice 2 for communicating between the main chamber 6 and the auxiliary chamber 7, a partition plate 3 for partitioning between the main chamber 6 and the auxiliary chamber 7, an air chamber 8 into which air as compressive fluid is introduced, and a diaphragm 4 for partitioning between the air chamber 8 and the auxiliary chamber 7 are disposed in series between a connecting metal fitting 91 connected to a vibrator 1 and a holder 95 connected to a member on a chassis side or the like. The vibrator 1 is disposed above the partition plate 3 and on a side of the main chamber 6. The vibrator 1 comprises a permanent magnet 17, a center pole 13, a circular exciting coil 11 disposed around the permanent magnet 17, and a bobbin 15 containing the exciting coil 11. A third liquid chamber 63 is disposed above the vibrator 1 independently of the main chamber 6. A second orifice 62 is provided for connecting the main chamber 6 to the third liquid chamber 63.

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