Invention Grant
US08455746B2 Beater bracket and variable drive lever system with variable pivot point spring rotor for bass drum foot pedals
有权
搅拌器支架和可变驱动杆系统，带有用于低音鼓脚踏板的可变枢轴点弹簧转子
- Patent Title: Beater bracket and variable drive lever system with variable pivot point spring rotor for bass drum foot pedals
- Patent Title (中): 搅拌器支架和可变驱动杆系统，带有用于低音鼓脚踏板的可变枢轴点弹簧转子
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Application No.: US13314790Application Date: 2011-12-08
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Publication No.: US08455746B2Publication Date: 2013-06-04
- Inventor: Darrell Johnston , Charles Blashaw
- Applicant: Darrell Johnston , Charles Blashaw
- Applicant Address: US CA Carson
- Assignee: Axis Percussion, Inc.
- Current Assignee: Axis Percussion, Inc.
- Current Assignee Address: US CA Carson
- Agency: Risso & Associates
- Main IPC: G10D13/02
- IPC: G10D13/02
Abstract:
Described is a bass drum foot pedal having a variable drive lever linkage with variable arc ratios connecting the foot pedal to a beater bracket. The beater bracket is formed with a mounting surface that tips a beater shaft forward to create a forward beater angle that maximizes the beater impact against a bass drum.
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