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1. 发明授权

US06213486B1 Step assembly with concealed lower tread 有权
标题翻译：步骤组装与隐藏的下胎面
公开(公告)号：US06213486B1
公开(公告)日：2001-04-10
申请号：US09286277
申请日：1999-04-05
申请人： James R. Kunz , Benjamin J. Boyce , Malcolm M. Maccabee
发明人： James R. Kunz , Benjamin J. Boyce , Malcolm M. Maccabee
IPC分类号： B60R302
CPC分类号： B60R3/02
摘要： The step assembly (10) includes a housing (12) which is mountable to a recreational vehicle, typically underneath the door of the vehicle. A pair of linkage arms (14) and (16) are rotatably coupled at their lower ends to each side of the housing (12). The step assembly (10) contains an upper tread assembly (18), a center tread assembly (24), and a lower tread assembly (34), respectively including an upper step (20), a center step (28), and a lower step (40). The upper ends of the linkage arms (14) and (16) are rotatably connected to the upper portion of the upper tread assembly (18). The center tread assembly (24) is slidably engaged with the upper tread assembly (18) through a slideway assembly (26). The lower tread assembly (34) has a lower tread pivot arm (38) which is rotatably coupled to the center tread assembly (24) by a pin (30) mounted on the center tread assembly. The lower step (40) has a lower face (58) that substantially closes off the housing (12) when the step assembly is in a fully retracted position, forming a continuation of the vehicle outer surface. A linear actuator (42) is connected to the housing (12) and one of the tread assemblies, in order to extend and retract the tread assembly relative to the housing (12).
摘要翻译：步进组件（10）包括可安装到休闲车辆的壳体（12），通常在车辆的门下方。一对连杆（14）和（16）在它们的下端可旋转地连接到壳体（12）的每一侧。步进组件（10）包括上部胎面组件（18），中心胎面组件（24）和下部胎面组件（34），分别包括上部台阶（20），中心步骤（28）和下步骤（40）。连接臂（14）和（16）的上端可旋转地连接到上胎面组件（18）的上部。中心胎面组件（24）通过滑道组件（26）与上胎面组件（18）可滑动地接合。下胎面组件（34）具有下胎面枢转臂（38），其通过安装在中心胎面组件上的销（30）可旋转地联接到中心胎面组件（24）。下台阶（40）具有当台阶组件处于完全缩回位置时基本上封闭壳体（12）的下表面（58），形成车辆外表面的延续。线性致动器（42）连接到壳体（12）和一个胎面组件，以便相对于壳体（12）延伸和缩回胎面组件。

2. 发明授权

US5842709A Retractable, swing down step assembly 失效
标题翻译：可收缩，向下摆动组件
公开(公告)号：US5842709A
公开(公告)日：1998-12-01
申请号：US732169
申请日：1996-10-16
申请人： Malcolm M. Maccabee
发明人： Malcolm M. Maccabee
IPC分类号： B60R3/02 , B60R3/00
CPC分类号： B60R3/02
摘要： A retractable step assembly (10) includes a step (12) pinned to the lower ends of a pair of swing arms (14, 16) depending downwardly from a bracket (30) for mounting the step assembly to the underside of a vehicle. An electric motor (20) powers the upper end of a swing arm (14) to rotate the two swing arms between retracted and extended positions. A clutch assembly (24) is interposed between the electric motor and the swing arm (14) to allow the motor to continue to operate to the end of its cycle if the step or swing arm become obstructed. A lock assembly (170) is provided to lock the step in retracted position, with the lock being automatically disengaged when the step assembly is actuated to extend the step from retracted position.
摘要翻译：伸缩式步骤组件（10）包括固定在从支架（30）向下悬挂的一对摆臂（14,16）的下端的步骤（12），用于将踏板组件安装到车辆的下侧。电动机（20）为摆臂（14）的上端提供动力，以使两个摆臂在缩回位置和伸出位置之间转动。离合器组件（24）插入在电动马达和摆臂（14）之间，以允许马达在步进或摆臂被阻挡时继续运行到其循环的末端。提供锁组件（170）以将台阶锁定在缩回位置，当步骤组件被致动以使延伸部分从缩回位置延伸时，锁定件将自动脱开。

3. 发明授权

US5069469A Recumbent cycle 失效
标题翻译：卧式循环
公开(公告)号：US5069469A
公开(公告)日：1991-12-03
申请号：US56259
申请日：1987-06-10
申请人： Brent L. Rosengrant , Glen T. Poss , Malcolm M. Maccabee
发明人： Brent L. Rosengrant , Glen T. Poss , Malcolm M. Maccabee
IPC分类号： B62K5/05 , B62K5/08 , B62K13/08 , B62M1/36
CPC分类号： B62M1/36 , B62K13/08 , B62K3/005 , B62K5/05 , B62K5/08
摘要： Recumbent cycle (12) is supported by a pair of forward steerable wheels (16) and a single rear drivewheel (18) mounted on rear end portion of a frame structure (14) by a hub assembly (50) having an integral transmission and brake. A pair of side-mounted gimbal assemblies (170L, 170R) may be conveniently tilted laterally to steer wheels (16) in the same corresponding direction. The gimbal assemblies (170L, 170R) may be individually or in unison tilted in the forward direction to actuate the brake of hub assembly (50). Frame structure (14) includes a forward beam (34) telescopically engaged within a main beam (32) to vary the distance between a crank assembly (28) and a seat (20) to accommodate riders of different sizes.
摘要翻译：卧式循环（12）由一对前转向轮（16）和单个后驱动轮（18）支撑，后轮驱动轮（18）通过具有整体变速器和制动器的轮毂组件（50）安装在框架结构（14）的后端部分上。一对侧面安装的万向节组件（170L，170R）可以方便地侧向倾斜以在相同的相应方向上转向轮（16）。万向节组件（170L，170R）可以单独地或一致地向前倾斜以致动轮毂组件（50）的制动器。框架结构（14）包括可伸缩地接合在主梁（32）内以改变曲柄组件（28）和座（20）之间的距离的前梁（34），以适应不同尺寸的车手。

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