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1. 发明授权

US4085814A Motorized bicycle 失效
标题翻译：电动自行车
公开(公告)号：US4085814A
公开(公告)日：1978-04-25
申请号：US697279
申请日：1976-06-18
申请人： Charles Patrick Duncan Davidson , Harry Simister Bottoms
发明人： Charles Patrick Duncan Davidson , Harry Simister Bottoms
IPC分类号： B62M1/20 , B62M6/70 , B62M7/00
CPC分类号： B62M6/70 , B60L11/1801 , B60L2200/12 , Y02T10/7005
摘要： An electrically assisted cycle wherein the electrical assistance is provided by an electric drive arrangement carried on the frame of the cycle and powered by a battery also carried by the frame. The output of the drive arrangement is coupled to the driven wheel of the cycle so that operation of the electric drive arrangement can propel the cycle. The drive arrangement is mounted on the frame for limited movement relative to the frame against the action of a resilient bias provided by rubber mounting bushes. An electrical switch is operated by movement of the drive arrangement relative to the frame and the electrical switch is arranged in the energizing circuit of the motor of the electric drive assembly. The switch is operated by movement of the drive arrangement from a rest position to a position wherein the rubber bushes are stressed. Until the switch is so operated the motor cannot be energized. Movement of the drive arrangement relative to the frame is effected by the rider applying driving force to the panel of the cycle. Thus until the rider of the cycle starts to propel the cycle by pedalling the electric motor cannot be energized to aid the rider. Similarly should the rider cease pedalling then immediately the motor will return under the resilient bias to its rest position and the motor will be de-energized by opening of the switch.
摘要翻译：电辅助循环，其中电辅助由在该循环的框架上承载并由也由框架承载的电池供电的电驱动装置提供。驱动装置的输出与循环的从动轮联接，使得电驱动装置的操作能推动循环。驱动装置安装在框架上，以抵抗由橡胶安装衬套提供的弹性偏压的作用而相对于框架的有限运动。通过驱动装置相对于框架的移动来操作电开关，并且电开关布置在电驱动组件的电机的通电电路中。开关通过驱动装置从静止位置移动到其中橡胶衬套受到应力的位置来操作。在开关如此操作之前，电机无法通电。驱动装置相对于框架的移动通过骑车人施加驱动力到该循环的面板来实现。因此，直到循环的骑手开始通过踩踏电动机推动循环才能通电，以帮助骑手。类似地，如果骑手停止踏板，则马达将在弹性偏置下返回到其静止位置，并且电动机将通过打开开关而断电。

2. 发明授权

US4030562A Motor and pedal propeller cycle 失效
标题翻译：电机和踏板螺旋桨循环
公开(公告)号：US4030562A
公开(公告)日：1977-06-21
申请号：US650877
申请日：1976-01-21
申请人： Peter Watson Leighton , Charles Patrick Duncan Davidson
发明人： Peter Watson Leighton , Charles Patrick Duncan Davidson
IPC分类号： B62K11/00 , B62M6/55
CPC分类号： B62M6/55 , B62K11/00 , B62M6/50
摘要： An electrically assisted pedal cycle including a frame rotatably mounting a ground engaging wheel. A pedal shaft is supported by the frame with its axis extending transverse to the plane of the frame, the shaft being supported for rotational movement and limited axial movement relative to the frame. A coupling is provided whereby rotation of the shaft relative to the frame at least in one direction can be transmitted to the ground engaging wheel to propel the cycle. A screw arrangement is incorporated whereby rotation of the shaft in the one axial direction moves the shaft axially relative to the frame in one axial direction. An electrical switch is operated by such axial movement of the shaft relative to the frame and the electrical switch is associated with an electric motor and associated power source which are carried by the frame to prevent energization of the electric motor until the electrical switch is operated by the axial movement of the shaft. The electric motor is coupled to the ground engaging wheel so that when energized, the motor can drive the ground engaging wheel so as to assist the rider in propelling the cycle.
摘要翻译：电辅助踏板循环，包括可旋转地安装接地轮的框架。踏板轴由框架支撑，其轴线横向于框架的平面延伸，轴被支撑为相对于框架的旋转运动和有限的轴向运动。提供了一种联接件，其中轴至少沿一个方向相对于框架的旋转可以传递到地面接合轮以推动该循环。一种螺钉装置，其中轴在一个轴向上的旋转沿轴向相对于框架在一个轴向方向上移动。电气开关通过轴相对于框架的这种轴向移动来操作，并且电开关与电动马达和相关联的电源相关联，电动机和相关联的电源由框架承载以防止电动机通电，直到电开关由轴的轴向运动。电动机耦合到地面接合轮，使得当通电时，电动机可以驱动接地轮，以便辅助骑手推动该循环。

3. 发明授权

US3991843A Cycles 失效
标题翻译：循环
公开(公告)号：US3991843A
公开(公告)日：1976-11-16
申请号：US588782
申请日：1975-06-20
申请人： Charles Patrick Duncan Davidson
发明人： Charles Patrick Duncan Davidson
IPC分类号： B62J6/16 , B62K11/00 , B62M6/40 , B62M6/55 , B62M7/00
CPC分类号： B60L11/1801 , B62J6/16 , B62K11/00 , B60L2200/12 , Y02T10/7005
摘要： A cycle according to the invention includes a rotatable pedal wheel coupled by a chain to the driving wheel of the cycle. An electric motor and associated power source are carried by the frame of the cycle and are coupled to the rear wheel whereby the electric motor can propel. An electrical switch is operable by tension in the chain resulting from pedalling action by the rider and the switch must be operated in order for the motor to be energized.

4. 发明授权

US4044852A Electrically assisted cycle 失效
标题翻译：电辅助循环
公开(公告)号：US4044852A
公开(公告)日：1977-08-30
申请号：US650876
申请日：1976-01-21
申请人： Frank Lewis , Charles Patrick Duncan Davidson
发明人： Frank Lewis , Charles Patrick Duncan Davidson
IPC分类号： B60R16/04 , B62J9/02 , B62K19/30 , B62K19/46 , B62M6/55 , B62M6/90 , B62D25/00
CPC分类号： B62M6/55 , B62J9/02 , B62K19/30 , B62M6/90 , Y10T70/5982
摘要： A battery support for an electrically assisted cycle includes a box-like member which is arranged to be secured to alternatively to be incorporated into the frame of the cycle. The box-like member has an open face whereby an electric traction battery can be inserted into the member. A releasable retaining member is carried by the box-like member and has an operative position in which the retaining member extends over the open face of the box member so as to retain the battery therein in use. The electrically assisted cycle utilizing the battery support has the box-like member secured to or incorporated in the frame thereof and the battery carried by the box-like member is associated with an electric motor also carried by the frame of the cycle, electric motor being arranged to assist the rider in propelling the cycle.
摘要翻译：用于电辅助循环的电池支撑件包括盒状构件，其被布置成交替地固定以被结合到周期的框架中。盒状构件具有敞开的面，由此可以将电牵引电池插入构件中。可释放的保持构件由盒状构件承载并且具有操作位置，在该位置中，保持构件在盒构件的开口面上延伸，以便在使用中将电池保持在其中。利用电池支撑件的电辅助循环具有固定在其框架中或结合在其框架中的盒状构件，并且由盒状构件承载的电池与也由循环框架承载的电动机相关联，电动机为安排协助骑手推动循环。

5. 外观设计

USD243598S Bicycle frame 失效
公开(公告)号：USD243598S
公开(公告)日：1977-03-08
申请号：US598021
申请日：1975-07-22
申请人： Charles Patrick Duncan Davidson
设计人： Charles Patrick Duncan Davidson

6. 发明授权

US4044851A Cycle propelled by motor and pedals 失效
标题翻译：由电机和踏板推动的循环
公开(公告)号：US4044851A
公开(公告)日：1977-08-30
申请号：US650871
申请日：1976-01-21
申请人： Leslie Thomas Shaw , Charles Patrick Duncan Davidson
发明人： Leslie Thomas Shaw , Charles Patrick Duncan Davidson
IPC分类号： B62M23/02 , B62K11/00 , B62D3/00
CPC分类号： B62K11/00
摘要： An electrically assisted cycle including a frame and a ground engaging wheel rotatably mounted on the frame. A drive member is rotatably mounted on the frame and is arranged to be rotated by the rider of the cycle. A chain couples the drive member and the wheel and there is provided an electric motor and an associated battery carried by the frame, the output of the motor being coupled to the wheel so that the motor can propel the cycle; an electrical switch is incorporated into the rider operated drive member and is so associated with the electric motor that the motor cannot be energized unless the switch is operated by the rider applying a driving force to propel the cycle.
摘要翻译：电辅助循环，包括可旋转地安装在框架上的框架和接地轮。驱动构件可旋转地安装在框架上并且被布置成由循环的骑手旋转。链条连接驱动件和轮子，并且设置有电动马达和由框架承载的相关联的电池，马达的输出端连接到车轮上，使马达能推动该循环; 电动开关被结合到驾驶员操作的驱动构件中，并且与电动机相关联，使得电动机不能被激励，除非开关由驾驶员施加驱动力来推动循环。

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