公开(公告)号：US10679591B2

公开(公告)日：2020-06-09

申请号：US15847557

申请日：2017-12-19

申请人： GEWA music GmbH

发明人： Ruben Steinhauser

IPC分类号： G10D13/01 ,  G10D13/02 ,  G10H1/32 ,  G10H3/14 ,  G10D13/10

摘要： Trigger trays for use with a musical instrument trigger are disclosed. The trigger tray can fit within a drum assembly beneath a playing surface such as a drum head or drum pad. The trigger can be connected to the drum head or drum pad, or can be actuated through vibration of the trigger tray. The trigger tray can include a cutout on its underside or bottom side. The trigger tray can include a substantially circular head mount portion and a trigger mount portion therein, with a plurality of arms connecting the head mount portion to the trigger mount portion.

公开(公告)号：US10685632B2

公开(公告)日：2020-06-16

申请号：US15689001

申请日：2017-08-29

申请人： Erik C. Metz ,  Benjamin A. Metz

发明人： Erik C. Metz ,  Benjamin A. Metz

IPC分类号： G10D13/01 ,  G10D13/02 ,  G10D13/18 ,  G10D13/10

摘要： A percussion instrument including a box with at least one wall configured to define a resonant chamber. The at least one wall defines a support area about an opening into the resonant chamber with the support area extending in a support plane. A playing surface is configured to be mounted to the support area to close the opening such that an inner surface of the playing surface extends along the support plane. At least one arcuate string is mounted relative to the at least one wall at an angle such that a portion of the arcuate string is in biased engagement with a contact surface defined by an inner surface of the playing surface or an inner surface of a portion of the at least one wall.

公开(公告)号：US10984766B1

公开(公告)日：2021-04-20

申请号：US16857050

申请日：2020-04-23

申请人： Krystian K. R. Sands

发明人： Krystian K. R. Sands

IPC分类号： G10D13/01 ,  G10K3/00

摘要： A sound generation angular velocity-adjustable twirling device detachably attaches to a fabric-article at a peripheral attachment point or a central attachment point and enables rotation of fabric-article. The fabric-article unfurls and twirls at a rate dependent on the center of gravity at different attachment points on fabric-article. A rod forms the central axis. A textured outer sleeve encapsulates the rod for secure grasping. A first axis positions in the outer sleeve, fixedly attaching to a first-rod end. A fastening mechanism rotates freely about the first axis while retaining the fabric-article. The rotating fastening mechanism and the stationary first axis form a rotational relationship with low friction coefficient. A second axis pins a strap to the second-rod end. The device generates sound while twirling through a gear assembly and/or percussion instruments. The sound generated is proportional to the angular velocity of the gear, and to the applied torque to the sleeve.