Patent ID: 8053656
Filing Date: 2011-11-08
Classification: G10D

Abstract:
1. A single-arm pedal assembly for a percussion instrument, the single-arm pedal assembly can be horizontally placed on the floor, the single-arm pedal assembly comprising: two frames, each frame having a base plate, a supporting arm and a pedal axle, each supporting arm extending upward from one of the base plates, each supporting arm having a distal end which splits into two rack poles, each rack pole being formed with an axial hole, each axial hole extending horizontally, the axial holes of each supporting arm being coaxial, each pedal axle being disposed on one of the base plates, each pedal axle extending horizontally, the axial holes and the pedal axle of each frame being non-coaxial; a first main axle and a second main axle, each main axle being received in the axial holes of one of the supporting arms, each main axle being rotatably disposed on one of the frames, each main axle being rotatable about its longitudinal direction; a first linking element and a second linking element, the first linking element being disposed on the first main axle, the first linking element and the first main axle being in a rotational operative relationship, the second linking element being disposed on the second main axle, the second linking element and the second main axle being in a rotational operative relationship, each linking element being adapted for a hammer to install thereon; two pedals, each pedal being pivotably disposed about one of said pedal axles; two transmission elements, each transmission element rotatably connecting one of said pedals to one of said linking elements, the linking elements rotating during the movement of the transmission elements, the transmission elements moving during the sway of the pedals; a first resilient means for driving one of the pedals to return to an initial position; a second resilient means for driving the other pedal to return to another initial position; a secondary axle, removably disposed on the first main axle, the secondary axle comprising a shaft, the shaft being rotatable with respect to the first main axle; a clamping element, disposed on the shaft in a rotational operative relationship, the clamping element being adapted for a hammer to install thereon; a linkage member, removably disposed between the second main axle and the shaft in a rotational operative relationship; two hammers, one of the hammers being installed on the first linking element, the other hammer being removably installed on the clamping element.