| 摘要 |
PURPOSE: A vibrational apparatus for electric mattress is provided to generate increased impact power and higher stroke sufficient to endow a person with massage effect by comprising upper and lower vibrators in the apparatus. CONSTITUTION: The vibrational apparatus comprises a first and a second coils(11,13) separated by insulation body(15), two bobbins(17) for both of the coils, connection pins(21) placed into hollows(19) of the bobbins, top and bottom connection rods(23,27), top and bottom vibrators(25,29), a first magnet(31) aligned at top end of the hollows(19), and a second magnet(33) aligned at bottom end thereof. The apparatus further includes respective springs(35,37) to the top and the bottom connection rods(23,27) to absorb impact power applied to a case(3) when the vibrators(25,29) go up and down.
|
