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公开(公告)号：EP4239212A1
公开(公告)日：2023-09-06
申请号：EP21885706.8
申请日：2021-09-07
申请人： Prospira Corporation
发明人： ONISHI Tadashi , KATAURA Mizuki , OOTANI Kaoru
摘要： It is provided a bracket for anti-vibration device with improved durability. A bracket (1) includes a bracket main body (2) and a reinforcement member (3). The reinforcement member (3) has an inner surface (32) buried in the main body (2). The reinforcement member (3) has a defining edge surface (31) that defines this reinforcement member (3) as a surface. At least a part of the defining edge surface (31) is an inclined surface (32a) formed by the inner surface (32) of the reinforcement member (3), which is inclined toward an outer surface (33) of this reinforcement member (3).
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2.发明公开
公开(公告)号：EP4253103A1
公开(公告)日：2023-10-04
申请号：EP21897445.9
申请日：2021-09-07
申请人： Prospira Corporation
发明人： HYODO Akimitsu
摘要： Provided are an anti-vibration device manufacturing method, a stopper for an anti-vibration device, and an anti-vibration device all of which prevent easy separation between the stopper and the bracket while improving the ease of fastening the stopper and the bracket together. The anti-vibration device manufacturing method is a method for obtaining the anti-vibration device. The stopper can be formed, by applying a coating agent C, which is configured to be peelable after solidification, to at least a bulging portion (12) of a positioning protrusion (10) of the stopper. The anti-vibration device can be formed, by pressing the bulging portion (12) into a positioning hole A1 formed in the bracket 5, so that the bulging portion (12) is prevented from detaching from the bracket (5), using the stopper after solidification of the coating agent C.
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公开(公告)号：EP4227553A1
公开(公告)日：2023-08-16
申请号：EP21877398.4
申请日：2021-09-24
申请人： Prospira Corporation
发明人： KOJIMA, Hiroshi
摘要： Included are a tubular bracket (20) configured to be connected to one of a vibration generating portion and a vibration receiving portion and a first attachment member configured to be connected to the other, a tubular second attachment member (11) inserted inside the bracket, and an elastic body connecting the first attachment member and the second attachment member. An inner circumferential surface of one end portion of the bracket including one end in an axial direction along a central axis has formed thereon a first portion (22) against which an outer circumferential surface of the second attachment member is pressed, and a second portion (23) that is positioned farther towards the one end in the axial direction than the first portion, has a larger inner diameter than the first portion, and abuts against or is in proximity with the outer circumferential surface of the second attachment member.
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公开(公告)号：EP4339480A1
公开(公告)日：2024-03-20
申请号：EP22807009.0
申请日：2022-01-18
申请人： Prospira Corporation
发明人： AN Zhixu , OKAJIMA Yoshichika
摘要： In this vibration isolation device, an elastic stopper (30) between a first attachment member (11) and a second attachment member (12) includes a first stopper portion (31) including a pair of stopper walls (3 1a) and a second stopper portion (32). The stopper walls are linked in a first direction by the second stopper portion and a linking portion (33) extending in the first direction. The first stopper portion, the second stopper portion, and the linking portion are formed as one part. The first attachment member includes a pair of restriction portions (35, 39) that engage with the linking portion and at least one of the first stopper portion and the second stopper portion, and restrict the first stopper portion and the linking portion from approaching each other in a third direction. Portions (31b) of the first stopper portion connecting to the linking portion are tensioned in the third direction.
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公开(公告)号：EP4227552A1
公开(公告)日：2023-08-16
申请号：EP21877368.7
申请日：2021-09-22
申请人： Prospira Corporation
发明人： KOJIMA Hiroshi
IPC分类号： F16F13/10
摘要： A partition member (17) includes a first orifice passage (25) extending from a main liquid chamber (15) to the side of a sub-liquid chamber (16), and a second orifice passage (26) extending from the sub-liquid chamber to the side of the main liquid chamber and connected to the first orifice passage. The first orifice passage extends from the main liquid chamber to one side in a circumferential direction. The second orifice passage extends from a connection portion with the first orifice passage to the other side in the circumferential direction. In the partition member, a short passage (20) directly connecting the connection portion between the first orifice passage and the second orifice passage and the sub-liquid chamber is formed.
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公开(公告)号：EP4227132A1
公开(公告)日：2023-08-16
申请号：EP21880049.8
申请日：2021-10-11
申请人： Prospira Corporation
发明人： FURUKORI Takeshi , HATTORI Yuzo , KOJIMA Hiroshi
摘要： An anti-vibration device (1) includes a covering member (17), arranged between an inner attachment member (11) and an outer cylinder (12), that covers, from outside in the radial direction, the area between a pair of middle elastic bodies (32) adjacent to each other in the circumferential direction, and defines a pair of liquid chambers (14a, 14b) between the inner attachment member and the covering member. An orifice passage (19) connecting each liquid chamber is formed between the covering member and the outer cylinder. A first connecting aperture (18) and a second connecting aperture (20) that separately connect each liquid chamber and the orifice passage are formed in the covering member. An injection hole (12a) formed in the outer cylinder and sealed by a sealing material (16) opens toward at least one of the first connecting aperture and the second connecting aperture.
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公开(公告)号：EP4365459A1
公开(公告)日：2024-05-08
申请号：EP21948494.6
申请日：2021-11-29
申请人： Prospira Corporation
发明人： YOSHIKAWA Mao , SATO Shunji
摘要： Provided is an anti-vibration device (1) including: a first anti-vibration rubber cylinder (11) configured to connect a vibration generating portion and a vibration receiving portion to each other in a first direction; a second anti-vibration rubber cylinder (12) configured to sandwich one of the vibration generating portion and the vibration receiving portion in the first direction between the first anti-vibration rubber cylinder (11) and the second anti-vibration rubber cylinder; and a support member (13) configured to sandwich the second anti-vibration rubber cylinder (12) in the first direction between the one of the vibration generating portion and the vibration receiving portion and the support member, wherein the first anti-vibration rubber cylinder (11) and the second anti-vibration rubber cylinder (12) are provided with respective central axes (O) thereof extending in the first direction, and peripheral grooves (15) are formed separately on an outer peripheral surface and an inner peripheral surface of at least one of the first anti-vibration rubber cylinder (11) and the second anti-vibration rubber cylinder (12).
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公开(公告)号：EP4338995A1
公开(公告)日：2024-03-20
申请号：EP21942000.7
申请日：2021-11-17
申请人： Prospira Corporation
发明人： AN, Zhixu
摘要： An anti-vibration device (1A) including: a bracket (2) having a fixing portion (21) and a bridge portion (22) that together with the fixing portion (21) forms an opening (A); a mounting member (3) mounted in the opening (A) formed in the bracket (2); and an elastic shaft (41) that is mounted to the mounting member (3) and extends in an axial direction inside the opening (A). The mounting member (3) has a circumferential wall (31) surrounding the elastic shaft (41) in a circumferential direction. The circumferential wall (31) has one or more recesses extending in the axial direction at one or more locations along the circumferential direction.
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公开(公告)号：EP4170198A1
公开(公告)日：2023-04-26
申请号：EP21828781.1
申请日：2021-03-19
申请人： Prospira Corporation
发明人： SATO Shunji
摘要： A cab mount (1A) includes an upper mount elastic body (2) and a lower mount elastic body (3) that are configured to sandwich a frame (10) of a vehicle. The upper mount elastic body (2) has recesses (4) in an inner peripheral surface (f21) of the upper mount elastic body (2). The recesses (4) extend in a circumferential direction. Each of the recesses (4) has an upper contact surface (f1) and a lower contact surface (f2) that are in contact with each other in a steady state.
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公开(公告)号：EP4169691A1
公开(公告)日：2023-04-26
申请号：EP21828166.5
申请日：2021-03-19
申请人： Prospira Corporation
摘要： A bracket (1) includes a bracket body (2) made of a synthetic resin and a reinforcement member (3) made of a fiber reinforced plastic. The bracket body (2) has a surrounding portion (20). The reinforcement member (3) extends in a surrounding direction. A reinforcement member arrangement portion (20a) of the surrounding portion (20) is formed of an outer circumference (211), an inner circumference (212), and a connecting portion (213). The reinforcement member arrangement portion (20a) is in the shape of a letter I in cross section in which the cross sectional width (W3) of the connecting portion (213) is narrower than the cross sectional width (W1) of the outer circumference (211) and the cross sectional width (W2) of the inner circumference (212). The reinforcement member (3) is arranged on the outer circumference (211).
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