Patent ID: 7297852

Claim:
A pedal device for a drum comprising a base; two posts mounted on the base; a shaft mounted rotatably between the post and having two ends and one end of the shaft being a protruding end mounted through and protruding out from one of the posts; an arm mounted on the protruding end of the shaft; a wheel mounted rotatably on the arm; a seat formed on the post corresponding to the arm; a sway member mounted on the shaft; a drumstick extending from the top of the sway member; a chain mounted on the sway member and having a distal end; a pedal connected with the distal end of the chain and mounted pivotally with the base; a spring having an upper end, a lower end and a diameter gradually shortened at the upper and lower ends, which forms two mounting portions; a sling hook hooking on the wheel and having a first knob formed on the sling hook and embedded coaxially in the mounting portion at the upper end of the spring; and a connection member mounted on the seat and having a second knob formed on the connection member and embedded coaxially in the mounting portion.