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1. 发明专利

JP2004332860A Hydraulic shock absorber 审中-公开
公开(公告)号：JP2004332860A
公开(公告)日：2004-11-25
申请号：JP2003131292
申请日：2003-05-09
申请人： Bombardier Inc , Kayaba Ind Co Ltd , カヤバ工業株式会社 , ボンバルディアインク
发明人： TOIYAMA YOSHIRO , LEMIEUX RENE
IPC分类号： B62K25/08 , F16F9/06 , F16F9/32 , F16F9/48 , F16F9/49
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic shock absorber which changes damping force according to a stroke position of a piston, wherein a gas chamber partitioned by a free piston can be accommodated axially in line with an oil chamber in a cylinder and basic length is shortened.
SOLUTION: A hydraulic shock absorber 1 is equipped with a piston 30 slidably fitted to the inside of a cylinder 20, a piston and anti-piston rod side oil chambers 2, 3 respectively partitioned on both surfaces of the piston 30 in the cylinder 20, an outer shell 10 coaxially arranged in the outside of the piston 20 and having larger diameter and longer length than the cylinder has, a by-pass passage 4 which is formed between the cylinder 20 and the outer shell 10 and which communicates between the piston and anti-piston rod side oil chambers 2, 3 through the medium of a first and second communication holes provided to different positions in a piston stroke direction of the cylinder 20, a free piston 50 slidably arranged in an extended part 17 of the outer shell 10 extending from an end of the cylinder 20, an oil sump chamber 5 communicating with only the anti-piston rod side oil chamber 3 partitioned by both surfaces of a free piston 50 respectively, and a gas chamber 6 in which gas is sealed.
COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2009041687A Front fork 有权
标题翻译：前锋
公开(公告)号：JP2009041687A
公开(公告)日：2009-02-26
申请号：JP2007208302
申请日：2007-08-09
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： F16F9/49 , B62K25/08 , F16F9/16
摘要： PROBLEM TO BE SOLVED: To provide a front fork to be used for a small motorcycle or bicycle for actualizing predetermined damping operation and oil locking operation. SOLUTION: A piston body 3 has an oil locking piece 5 which forms an oil locking mechanism. At the bottom end of a cylinder body 1, an oil locking case 13 is arranged which forms the oil locking mechanism together with the oil locking piece 5. The oil locking case 13 is fastened with a fastening bolt 4 passing through an axial center portion on the inner bottom of an axle holder H in the axial direction of the cylinder body 1 and fixed to the inner bottom of the axle holder H while being seated on the inner bottom of the axle holder H to which a wheel side tube T is connected to connect a fork body at its lower end to an axle. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供用于实现预定的阻尼操作和油锁操作的小型摩托车或自行车的前叉。解决方案：活塞体3具有形成油锁机构的油锁片5。在缸体1的底端，设置有油锁壳体13，其与油锁片5一起形成油锁机构。油锁壳体13通过紧固螺栓4紧固，穿过轴向中心部分轴保持器H的内底部在筒体1的轴向上并且被固定到轴保持器H的内底部，同时被放置在与轮侧管T连接的轴保持器H的内底上将其下端的叉体连接到轴上。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009040301A Connection structure 审中-公开
标题翻译：连接结构
公开(公告)号：JP2009040301A
公开(公告)日：2009-02-26
申请号：JP2007209156
申请日：2007-08-10
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： B62K21/18
摘要： PROBLEM TO BE SOLVED: To direct a connection structure to utilization when a front fork is laid/attached to a front wheel side of a motorcycle.
SOLUTION: A lower half side of an upper end part 11 formed on the front fork F penetrated to a mounting hole of a fork bracket B in a cylindrical shape is made to an inclination part 11a having an outer diameter gradually contracted as it upwardly advances, an upper half side of the upper end part 11 continued to the inclination part 11a is made to a straight part 11b having the same outer diameter. A lower half side of the mounting hole 4 in the fork bracket B is made to a cone-like hole 4a having an inner diameter gradually increased toward a lower side, and an upper half side of the mounting hole 4 in the fork bracket B is made to a straight hole 4b having an inner diameter not varied toward an upper side. By fastening of a cap member 2 thread-engaged with an inner periphery of the straight part 11b penetrated to the straight hole 4b, the inclination part 11a is pulled up by the cone-like hole 4a.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：当前叉被放置/附接到摩托车的前轮侧时，引导连接结构的利用。解决方案：形成在前叉F上的上端部11的下半部被穿入到具有圆筒形状的叉架B的安装孔的前叉部F上，该倾斜部11a的外径逐渐收缩向上前进，将连续到倾斜部分11a的上端部分11的上半部制成具有相同外径的直线部分11b。叉支架B中的安装孔4的下半侧形成为具有朝向下侧逐渐增大的内径的锥形孔4a，并且叉支架B中的安装孔4的上半侧为制成具有朝向上侧不变的内径的直孔4b。通过与贯穿直孔4b的直线部11b的内周螺纹接合的盖构件2的紧固，倾斜部11a被锥形孔4a拉起。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2003065380A Hydraulic shock absorber 审中-公开
标题翻译：液压减震器
公开(公告)号：JP2003065380A
公开(公告)日：2003-03-05
申请号：JP2001258132
申请日：2001-08-28
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： F16F9/32
摘要： PROBLEM TO BE SOLVED: To adjust generated damping force to be high or low by using a bypass detouring around a damping valve arranged in a piston, which is employed for a single cylinder type hydraulic shock absorber provided to a two wheeler.
SOLUTION: A seal is disposed between the outer periphery of the cylinder 1 and the inner periphery of a cylindrical body 3 in which a flow passage L made up of a bypass passage between the outer periphery of a cylinder 1 and itself is formed by being interposed on the outer periphery of a cylinder 1, which prevents hydraulic fluid from leaking to the outside from the passage L. By calking both ends 3a and 3b of the cylindrical body 3 under the arrangement condition of an engaging ring interposed on the outer periphery of the cylinder 1, the cylindrical body 3 is prevented from moving along the direction of the axial core line of the cylinder 1 on the outer periphery of the cylinder 1.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过使用布置在活塞中的阻尼阀周围的旁路迂回来将所产生的阻尼力调节为高或低，这用于设置在两轮车上的单缸式液压减震器。解决方案：在气缸1的外周和圆柱体3的内周之间设有一个密封件，在圆筒体3的内周面之间形成有通过缸体1的外周与自身之间的旁通通路构成的流道L，在气缸1的外周上，防止液压流体从通道L泄漏到外部。通过在插入在外壳的外周上的接合环的布置状态下铆接圆筒体3的两端3a和3b 气缸1，筒体1被防止在气缸1的外周沿着气缸1的轴芯线的方向移动。

5. 发明专利

JP2004092707A Hydraulic shock absorber 有权
公开(公告)号：JP2004092707A
公开(公告)日：2004-03-25
申请号：JP2002252211
申请日：2002-08-30
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： F16F9/18 , F16F9/58
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic shock absorber having an air chamber separated from an oil therein which can be maintained in the state that an operating part in a damping force adjusting valve can easily be operated at all times, when the hydraulic shock absorber is provided with the damping force adjusting valve for adjusting the intensity of the generated damping force. SOLUTION: A reservoir chamber R is demarcatedly formed between an outer cylinder 2 and a cylinder 4 arranged inside the outer cylinder 2. In addition, the reservoir chamber R is communicated with a piston side oil chamber R2 defined inside the cylinder 4 by a piston 8, via a base valve part 5 arranged inside the lower end of the cylinder 4. On the other hand, an annular oil chamber R3 is demarcatedly formed between an annular partition member (6) contained in the reservoir chamber R and a sealing member 10 for sealing the head ends of the outer cylinder 2 and the cylinder 4, and for making a piston rod 9 with the tip end thereof connected to the piston 8 penetrate through the central part. Further, the annular oil chamber R3 is communicated with the damping force adjusting valve arranged on the sealing member 10. The piston side oil chamber R2 is communicated with the annular oil chamber R3 via a bypass passage composed of a communicating hole 4b opened to the cylinder 4 and a flow passage 4c communicating with the communicating hole 4b. COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2003083379A Hydraulic shock absorber 有权
标题翻译：液压减震器
公开(公告)号：JP2003083379A
公开(公告)日：2003-03-19
申请号：JP2001276392
申请日：2001-09-12
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： F16F9/08
摘要： PROBLEM TO BE SOLVED: To adjust gas pressure in a gas chamber when a hydraulic shock absorber is provided with the gas chamber defined by a bladder and made to be vapor-liquid separating type. SOLUTION: A gas chamber G is defined by a bladder 4 on a reservoir chamber R formed between a cylinder in which a piston rod is inserted so as to appear and disappear and an outer cylinder 3 arranged on an outer peripheral side of the cylinder 1 and communicating to the inside of the cylinder 1. The gas chamber G communicates to a gas sealing valve 7 arranged on a bottom portion 6 through a flow passage formed between the gas chamber G and the bottom portion 6.
摘要翻译：要解决的问题：当液压缓冲器设置有由气囊限定的气室并且被制成气液分离型时，调节气室中的气压。解决方案：气室G由形成在其中插入活塞杆以便出现和消失的气缸之间的储液室R上形成的气囊4和布置在气缸1的外周侧的外筒3和与气缸1的内部连通。气室G通过形成在气室G和底部6之间的流动通道与布置在底部6上的气体密封阀7连通。

7. 发明专利

JP2009068576A Front fork 有权
标题翻译：前锋
公开(公告)号：JP2009068576A
公开(公告)日：2009-04-02
申请号：JP2007236481
申请日：2007-09-12
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： F16F9/49 , B62K25/08
摘要： PROBLEM TO BE SOLVED: To perform shock absorbing action in maximum contracting operation, and to stabilize damping action in ordinary telescopic operation.
SOLUTION: This front fork has a check valve 5 checking communication with a reservoir side oil chamber R3 of a pressure side oil chamber R2 when a lower-end piston 4 in a rod body 3 is discended in a wheel side tube 2, and has a damping part 4a parallel to this check valve 5 and allowing the communication with the reservoir side oil chamber R3 of the pressure side oil chamber R2, and has an extension side oil chamber R1 expanding in contraction operation when the lower-end piston 4 in the rod body 3 is discended in the wheel side tube 2 between the lower end side of a vehicle body side tube 1 and the upper end side of the wheel side tube 2. While the extension side oil chamber R1 allows the communication of the reserver side oil chamber R3 via a check valve 7 in its expansion, the extension side oil chamber R1 communicates with the inside of the wheel side tube 2 via an extension orifice 2b formed at the wheel side tube 2 in the extension operation.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在最大收缩操作中执行减震作用，并在普通伸缩操作中稳定阻尼作用。解决方案：该前叉具有止回阀5，当杆体3中的下端活塞4在轮侧管2中被悬挂时，检查与压力侧油室R2的储液侧油室R3的连通，并且具有与该止回阀5平行的阻尼部分4a，并且允许与压力侧油室R2的储存侧油室R3的连通，并且在下端活塞4处具有在收缩操作中膨胀的延伸侧油室R1 杆体3在车体侧管1的下端侧和车轮侧管2的上端侧之间的轮侧管2中被分散。当延伸侧油室R1允许储存器在延伸操作中，延伸侧油室R1经由止回阀7在其膨胀中经由形成在车轮侧管2处的延伸孔2b与轮侧管2的内部连通。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2003083380A Fixing method for hydraulic shock absorber and bladder 审中-公开
标题翻译：液压减震器和叶片的固定方法
公开(公告)号：JP2003083380A
公开(公告)日：2003-03-19
申请号：JP2001276393
申请日：2001-09-12
申请人： Kayaba Ind Co Ltd , カヤバ工業株式会社
发明人： TOIYAMA YOSHIRO
IPC分类号： F16F9/08 , F16F9/06 , F16F9/32
摘要： PROBLEM TO BE SOLVED: To adjust gas pressure in a gas chamber, in a vapor-liquid separating type hydraulic shock absorber having the gas chamber defined by the bladder. SOLUTION: A gas chamber G is defined by a bladder 4 on a reservoir chamber R formed between a cylinder in which a piston rod is inserted so as to appear and disappear and an outer cylinder 3 arranged on an outer peripheral side of the cylinder 1 and communicating to the inside of the cylinder 1. The gas chamber G is enabled to communicate to the outside of the hydraulic shock absorber through a gas sealing valve 6 arranged on an outer periphery of the outer cylinder.
摘要翻译：要解决的问题：在具有由气囊限定的气体室的汽液分离型液压减震器中调节气室中的气体压力。解决方案：气室G由形成在其中插入活塞杆以便出现和消失的气缸之间的储液室R上形成的气囊4和布置在气缸1的外周侧的外筒3和与气缸1的内部连通。气室G能够通过布置在外筒的外周上的气体密封阀6与液压缓冲器的外部连通。

9. 发明专利

CA2410728A1 HYDRAULIC DAMPING DEVICE 未知
公开(公告)号：CA2410728A1
公开(公告)日：2004-01-18
申请号：CA2410728
申请日：2002-10-31
申请人： KAYABA INDUSTRY CO LTD , BOMBARDIER INC
发明人： LEMIEUX RENE , TOIYAMA YOSHIRO
IPC分类号： F16F9/32 , F16F9/36 , F16F9/46 , F16F9/504 , F16F9/516 , F16F9/34
摘要： Two oil chambers 28. 29 are formed in a cylinder 21. The piston rod oil chamber 28 is connected with a reservoir 50 formed on an outer section of th e cylinder. Two parallel passages 33, 34 are formed in a sealing case 23 provided on an upper section of the cylinder. The sealing case 23 is provided with a needle valve 35 regulating the area of the opening of the passage 33, a poppet valve 37 closing the oil chamber 34 with the biasing force of the spring 40 and an adjuster 39 regulating the biasing force of the spring 40. A part of the oil flowing out of the oil chamber 28 in an expansion stroke is discharged through the needle valve 35 and the puppet valve 37 in order to allow respective regulation of the damping force at that time.

10. 发明专利

CA2410728C HYDRAULIC DAMPING DEVICE 未知
公开(公告)号：CA2410728C
公开(公告)日：2005-12-20
申请号：CA2410728
申请日：2002-10-31
申请人： KAYABA INDUSTRY CO LTD , BOMBARDIER INC
发明人： LEMIEUX RENE , TOIYAMA YOSHIRO
IPC分类号： F16F9/32 , F16F9/36 , F16F9/46 , F16F9/504 , F16F9/516 , F16F9/34
摘要： Two oil chambers 28. 29 are formed in a cylinder 21. The piston rod oil chamber 28 is connected with a reservoir 50 formed on an outer section of th e cylinder. Two parallel passages 33, 34 are formed in a sealing case 23 provided on an upper section of the cylinder. The sealing case 23 is provided with a needle valve 35 regulating the area of the opening of the passage 33, a poppet valve 37 closing the oil chamber 34 with the biasing force of the spring 40 and an adjuster 39 regulating the biasing force of the spring 40. A part of the oil flowing out of the oil chamber 28 in an expansion stroke is discharged through the needle valve 35 and the puppet valve 37 in order to allow respective regulation of the damping force at that time.

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