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公开(公告)号：US20190027121A1
公开(公告)日：2019-01-24
申请号：US16139776
申请日：2018-09-24
Applicant: YAMAHA CORPORATION
Inventor： Shunsuke ICHIKI , Ichiro OSUGA
Abstract: According to an embodiment of the present invention, a keyboard apparatus includes a key; and a connecting member connecting the key to a frame and including a rod-like flexible member arranged between the frame and the key, the key being turned to the frame by bending of the rod-like flexible member.
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公开(公告)号：US20180233114A1
公开(公告)日：2018-08-16
申请号：US15952826
申请日：2018-04-13
Applicant: YAMAHA CORPORATION
Inventor： Akito OHBA , Shunsuke ICHIKI
Abstract: A support assembly according to one embodiment of the present invention is provided, the support assembly including a jack rotatably supported by a support; a repetition lever rotatably supported with respect to the support; a protrusion disposed at an intersecting portion of the jack and the repetition lever; and a protrusion receiving portion for receiving the protrusion; wherein the protrusion receiving portion defines a movable range of the protrusion and limits a rotation range of the jack.
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公开(公告)号：US20170025099A1
公开(公告)日：2017-01-26
申请号：US15217005
申请日：2016-07-22
Applicant: Yamaha Corporation
Inventor： Akito OHBA , Shunsuke ICHIKI
Abstract: A support assembly includes a support rotatably disposed with respect to a frame; a jack support portion connected to the support; a jack having a recessed portion in a lower portion of the jack, the jack having the jack support portion inside the recessed portion and being rotatably disposed to the support; and an acting portion fixed to the jack and receiving a downward action. The recessed portion has an open end with a width larger than a width of the jack support potion. The recessed portion may have an open end with a width larger than a width of the jack support potion.
Abstract translation: 支撑组件包括相对于框架可旋转地设置的支撑件; 连接到所述支撑件的千斤顶支撑部分; 插座，其在所述插座的下部具有凹部，所述插座在所述凹部内部具有所述插座支撑部，并且可旋转地设置在所述支撑件上; 以及固定到千斤顶并接收向下动作的作用部分。 凹部具有宽度大于插座支撑部的宽度的开口端。 凹部可以具有宽度大于插座支撑部的宽度的开口端。
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公开(公告)号：US20190206378A1
公开(公告)日：2019-07-04
申请号：US16298425
申请日：2019-03-11
Applicant: YAMAHA CORPORATION
Inventor： Shunsuke ICHIKI
Abstract: A keyboard device includes white keys, black keys adjacent to the white keys, and guides that are arranged between the white keys and the black keys and restrict operation by coming into contact with the white keys and the black keys. The keyboard device may further include a housing that covers parts of the white keys and the black keys, and the guide may be arranged in the region covered by the housing. The keyboard device may further include caps that are provided between the guides and the white keys and the guides and the black keys, and that have a lower Young's modulus than the guides.
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公开(公告)号：US20190012992A1
公开(公告)日：2019-01-10
申请号：US16131106
申请日：2018-09-14
Applicant: YAMAHA CORPORATION
Inventor： Shunsuke ICHIKI
Abstract: A keyboard apparatus includes a key; a guide regulating a direction in which the key moves, the guide being arranged at three or more locations not lined in a straight line when seen along a scale direction of the key, and the guide slidably making contact with the key from the scale direction; and a connecting portion connecting the key to a frame at the back side of the key from the guide, the connecting portion including a rod-like flexible member.
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Patent Agency Ranking
公开(公告)号：US20180286369A1
公开(公告)日：2018-10-04
申请号：US15924838
申请日：2018-03-19
Applicant: YAMAHA CORPORATION
Inventor： Shunsuke ICHIKI , Hirotsugu SUZUKI , Ichiro OSUGA
IPC: G10H1/34
CPC classification number: G10H1/346
Abstract: A keyboard apparatus includes: a key; a frame; and a connecting portion configured to connect the key and the frame to each other. The connecting portion includes a flexible member having a rod shape and having flexibility that enables the key to pivot with respect to the frame. The flexible member includes a portion that, in entirety of a range of pivotal movement of the key, maintains a state in which a length of a line extending along a neutral axis of the flexible member between two points located on the neutral axis is greater than a length of a straight line connecting the two points to each other.
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公开(公告)号：US20170025100A1
公开(公告)日：2017-01-26
申请号：US15217351
申请日：2016-07-22
Applicant: Yamaha Corporation
Inventor： Akito OHBA , Ichiro OSUGA , Shunsuke ICHIKI , Hiroshi HARIMOTO
Abstract: A support assembly of a keyboard apparatus activated in accordance with pressing of a key to rotate a hammer provided at one end of a hammer shank, the support assembly includes a support rotatably disposed with respect to a frame, a jack having one side rotatably connected to the support and another side including a contact surface which makes contact with a hammer shank roller provided to the hammer shank, and a rib provided to the other side of the jack and projecting to a hammer shank roller side of the contact surface.
Abstract translation: 一种键盘装置的支撑组件，其通过按压键来旋转设置在琴槌杆的一端处的琴槌而起动，所述支撑组件包括相对于框架可旋转地设置的支撑件，所述支架的一侧可旋转地连接到 所述支撑件和另一侧包括与设置在所述锤柄上的锤柄辊接触的接触表面，以及设置在所述插座的另一侧并突出到所述接触表面的锤柄辊侧的肋。
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公开(公告)号：US20200013378A1
公开(公告)日：2020-01-09
申请号：US16574599
申请日：2019-09-18
Applicant: YAMAHA CORPORATION
Inventor： Ken TAKAHASHI , Shunsuke ICHIKI
Abstract: A pivot member includes: a first member configured to pivot about a pivot axis; and a second member having a connecting surface, at least a portion of which has a flat surface. The second member is disposed such that the flat surface and the first member are opposed to each other. The second member has at least one surface different from the flat surface. A first identifier and a second identifier are provided on the at least one surface. The first identifier is visually recognizable from a first direction orthogonal to the flat surface. The second identifier is visually recognizable from the first direction and from a second direction in which the first identifier is not visually recognizable.
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公开(公告)号：US20190156805A1
公开(公告)日：2019-05-23
申请号：US16253511
申请日：2019-01-22
Applicant: YAMAHA CORPORATION
Inventor： Kento OGAWA , Shunsuke ICHIKI
IPC: G10H1/34
Abstract: A keyboard apparatus includes: a key disposed so as to be pivotable with respect to a frame; a first member, an elastic member being disposed on at least a portion of a surface of the first member; a second member configured to be moved on the elastic member while elastically deforming the elastic member in response to pivotal movement of the key; and a hammer assembly connected to the key via the first member and the second member so as to pivot in response to pivotal movement of the key.
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公开(公告)号：US20190156804A1
公开(公告)日：2019-05-23
申请号：US16253456
申请日：2019-01-22
Applicant: YAMAHA CORPORATION
Inventor： Kento OGAWA , Shunsuke ICHIKI
IPC: G10H1/34
Abstract: A keyboard apparatus includes: a key disposed to be pivotable with respect to a frame; a hammer assembly disposed to be pivotable in response to pivotal movement of the key; a first member; a second member disposed to be slid and moved on the first member when the hammer assembly pivots in response to pivotal movement of the key; and a third member connected to the first member and configured to guide the second member such that the second member is not located at a distance greater than or equal to a predetermined distance from the first member, the third member having a shape in which a second contact area that is an area of contact between the second member and the third member is less than a first contact area that is an area of contact between the first member and the second member.
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