| 摘要 |
PURPOSE: An electric height adjusting apparatus is provided to adjust the height of a first body by using a motor which uses a small amount of power. CONSTITUTION: An electric height adjusting apparatus comprises first and second bodies(bd1,bd2), first and second connection members(d1,d2), first and second connection pins(e1,e2), a gear(a1), a motor(m1), and first and second wheels(b1,b2). The second body is separated from the first body. The first and second connection members connect the first and second bodies. The first and second connection pins couple the first and second connection members to the second body. The gear is embedded in the first body. The motor rotates the gear. The first and second wheels are engaged with the top and bottom of the gear.
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