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    • 2. 发明公开
    • 자전거의 추진장치
    • 自行车推进装置
    • KR1020030067016A
    • 2003-08-14
    • KR1020020006806
    • 2002-02-06
    • 메리디언레포츠 주식회사이수용
    • 김상년이수용
    • B62M9/02
    • PURPOSE: A propulsion device to move a bicycle in forward direction regardless of the rotation of the wheels is provided reducing power loss. CONSTITUTION: A propulsion device of a bicycle is composed of a driving portion(A) and a driven portion(B). Two chain wheels(20) are mounted in a pedal shaft in the driving portion. Two small chain wheels(40) are mounted in a rear wheel shaft in the driven portion. Each chain wheels is connected to chains(a,b). Chain guides(41,42) are formed to transfer an opposite rotation force to one of the small chain wheels.
    • 目的:无论车轮的旋转如何,向前方移动自行车的推进装置都能减少动力损失。 构成:自行车的推进装置由驱动部(A)和被驱动部(B)构成。 两个链轮(20)安装在驱动部分中的踏板轴上。 两个小链轮(40)安装在从动部分的后轮轴上。 每个链轮连接到链条(a,b)。 链条导向件(41,42)被形成为将相反的旋转力传递到小链轮之一。
    • 3. 发明公开
    • 자전거의 전진 구동장치
    • 前向驱动单元
    • KR1020030015078A
    • 2003-02-20
    • KR1020010049127
    • 2001-08-14
    • 메리디언레포츠 주식회사이수용
    • 김상년이수용
    • B62M3/08
    • B62M1/36B62M9/00F16H3/003
    • PURPOSE: A forward drive unit of a bicycle is provided to rotate pedals forward and simultaneously move the bicycle forward, by a reverse rotation of the pedals without operation of a special lever. CONSTITUTION: A forward drive unit of a bicycle comprises a forward rotation drive unit and a reverse rotation drive unit. In the forward rotation drive unit, a ratchet(11b) is disposed to the periphery of a driving plate(11a) fixed to a pedal shaft(5) by a key(8), and only forward rotating force of the pedal shaft is transmitted to a driving sprocket wheel(4) by a ratchet wheel(12) fixed to a side of the driving sprocket wheel. The reverse rotation drive unit comprises a rotational direction conversion unit, rotating a driving gear(34) formed into one body with a driving plate(21a) in the reverse direction of the rotational direction of the pedal shaft by receiving the rotational force of a fixed gear(31) installed to the pedal shaft; the driving plate equipped with a ratchet(21b) and formed into one body with the driving gear; and a ratchet wheel(22) and fixed to the other side of the driving sprocket wheel and interlocked with the ratchet. The bicycle is driven forward regardless of the rotational direction of the pedal shaft.
    • 目的:提供自行车的前进驱动单元以向前转动踏板,同时通过踏板的反向旋转向前移动自行车,而不需要特殊的操纵杆。 构成:自行车的前进驱动单元包括正转驱动单元和反转驱动单元。 在正向旋转驱动单元中,棘爪(11b)通过键(8)设置在固定到踏板轴(5)的驱动板(11a)的周边,并且仅传递踏板轴的向前旋转力 通过固定在驱动链轮的一侧的棘轮(12)连接到驱动链轮(4)。 反向旋转驱动单元包括旋转方向转换单元,通过接收固定的旋转方向的旋转力,使与驱动板(21a)成一体的驱动齿轮(34)与踏板轴的旋转方向相反的方向旋转, 齿轮(31)安装到踏板轴上; 所述驱动板配备有棘轮(21b)并与所述驱动齿轮形成为一体; 和棘轮(22),并且固定到驱动链轮的另一侧并与棘轮互锁。 无论踏板轴的旋转方向如何,自行车向前驱动。