CPC G10D 13/11 (2020.02) [G10D 13/02 (2013.01); G10D 13/12 (2020.02)] | 9 Claims |
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.
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