| 摘要 |
PURPOSE: An electronic braking system is provided to keep the braking force if the power is off by plural locking holes and a locking unit. CONSTITUTION: An electronic braking system comprises a gear assembly(50) composed of plural gears and arranged between a spindle(42) and a driving motor(45) to transfer the driving force of the driving motor to the spindle, plural locking holes formed in at least one gear among plural gears of the gear assembly, and a locking unit(90) moved to one of plural locking holes to restrict the movement of a gear when the power is off and provided with a moving shaft(92) coupled to the locking hole.
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