US 11,735,149 B2
Double-stepping linkage pedal for bass drum of jazz drum
Jiong Zhang, Beijing (CN)
Assigned to BEIJING QINYING EDU. TECHNOLOGIES CO., LTD, Beijing (CN)
Filed by BEIJING QINYING EDU. TECHNOLOGIES CO., LTD, Beijing (CN)
Filed on Sep. 10, 2021, as Appl. No. 17/472,512.
Claims priority of application No. 202011581621.5 (CN), filed on Dec. 28, 2020.
Prior Publication US 2022/0208153 A1, Jun. 30, 2022
Int. Cl. G10D 13/11 (2020.01); G10D 13/12 (2020.01); G10D 13/02 (2020.01)
CPC G10D 13/11 (2020.02) [G10D 13/02 (2013.01); G10D 13/12 (2020.02)] 9 Claims
OG exemplary drawing
 
1. A double-stepping linkage pedal for a bass drum of a jazz drum, comprising:
a left pedal assembly, a right pedal assembly, a left hammerhead assembly, a right hammerhead assembly, a left tension spring assembly and a right tension spring assembly,
wherein the left pedal assembly is drivingly connected to the left hammerhead assembly in a front-rear swinging manner, so that a front end of the left pedal assembly moves up and down to drive the left hammerhead assembly to swing back and forth;
the left tension spring assembly and the left hammerhead assembly are elastically linked to the left pedal assembly in a swinging direction front-rear consistent manner;
the right pedal assembly is drivingly connected to the right hammerhead assembly in a front-rear swinging manner, so that a front end of the right pedal assembly moves up and down to drive the right hammerhead assembly to swing back and forth; and
the right tension spring assembly and the right hammerhead assembly are elastically linked to the right pedal assembly in a swinging direction front-rear consistent manner;
wherein the left hammerhead assembly and the right hammerhead assembly both comprises:
a hammerhead rod, and a hammerhead fixed on a top of the hammerhead rod in a position-adjustable manner;
a lower part of each of the hammerhead rods is respectively fixed to a moving part of the corresponding left pedal assembly and a moving part of the corresponding right pedal assembly;
an upper part of the left tension spring assembly and an upper part of the right tension spring assembly are fixed to the hammerhead rod at the corresponding side in a position-adjustable manner;
a lower part of the left tension spring assembly and a lower part of the right tension spring assembly are respectively rotatably connected to the corresponding left pedal assembly and the corresponding right pedal assembly in a position-adjustable manner, so that a swinging direction of the left tension spring assembly and a swinging direction of the right tension spring assembly are respectively consistent with a front-back swinging direction of the corresponding hammerhead rod.