公开(公告)号：WO2007102809A1

公开(公告)日：2007-09-13

申请号：PCT/US2006/007927

申请日：2006-03-06

Applicant: STERRACLIMB LLC ,  KAMARA, Steven ,  YANG, Michael

Inventor： KAMARA, Steven ,  YANG, Michael

IPC: B62B5/02

CPC classification number: B62B5/026

Abstract: A towing device comprising a power-assisted spider wheel assembly for ascending and descending stairwells is capable of avoiding unintentional back turning hazards that may result while descending shallower stairwells by applying torque alternatively in the climb-down and climb-up direction to the spider assembly responsive to the angle formed between the spider assembly and lower stair riser. This ensures that the unit will not suddenly fall to a lower tread, which results if the lower-leaning wheel is not first pinned against the lower inside riser and rolls forward instead. The torque exerting means may also lock said spider assembly in a fixed arbitrary orientation during ascent and descent to allow the spider assembly to achieve a safe orientation before stopping mid-stairwell increasing safety.

Abstract translation: 包括用于上升和下降楼梯间的功率辅助的蜘蛛车轮组件的牵引装置能够避免在向下爬升和向上爬行方向上施加扭矩的情况下，通过施加扭矩来响应于对蜘蛛组件的响应，这可能导致在较浅的楼梯壁下降期间的无意的后部转弯危险 到达蜘蛛组件和下阶梯提升器之间形成的角度。 这确保了该单元不会突然下降到较低的胎面，这将导致如果下倾斜轮不首先被固定在下部内侧提升器中并且向前滚动。 扭矩施加装置还可以在上升和下降期间将所述蜘蛛组件锁定在固定的任意方位，以允许在停止中间楼梯间间隔增加安全性之前使得所述蜘蛛组件实现安全的取向。

公开(公告)号：WO2006045107A2

公开(公告)日：2006-04-27

申请号：PCT/US2005038221

申请日：2005-10-18

Applicant: YANG MICHAEL ,  KAMARA STEVEN ,  FOLLETTE DAVID

Inventor： YANG MICHAEL ,  KAMARA STEVEN ,  FOLLETTE DAVID

IPC: B62B9/02

CPC classification number: B62B5/026 ,  A45C5/146 ,  A45C13/262 ,  B62B2205/12

Abstract: A collapseable spider wheel assembly on a towing device enables storage of the device into a standard rectangular space. Once collapsed, the collapsible spider assembly is protected within the body of the towing device. Furthermore, actuation of the folding and unfolding may be accomplished through the usual telescoping of the carrying handle of such a device, such as in a suitcase embodiment. While the spider wheels are in the open position, the carrying apparatus may exert a drive force to climb up stairs and braking force to descend stairs. The unit operates as a normal wheeled carrying apparatus while traversing a horizontal surface.

Abstract translation: 牵引装置上的可折叠的星形轮组件能够将装置存储到标准的矩形空间中。 一旦折叠，可折叠的星形轮组件在牵引装置的主体内被保护。 此外，折叠和展开的致动可以通过这种装置的携带手柄的通常伸缩来实现，例如在手提箱实施例中。 当星轮处于打开位置时，承载装置可以施加驱动力以爬上楼梯并且制动力下降楼梯。 该装置在通过水平表面时作为普通轮式运输装置运行。

公开(公告)号：WO2008100524A3

公开(公告)日：2008-10-09

申请号：PCT/US2008001870

申请日：2008-02-12

Applicant: STERRACLIMB LLC ,  SAROKHAN JOSEPH ,  KAMARA STEVEN ,  YANG MICHAEL

Inventor： SAROKHAN JOSEPH ,  KAMARA STEVEN ,  YANG MICHAEL

IPC: B62B9/02

CPC classification number: B62B5/026 ,  B62B5/0033 ,  B62B5/0069 ,  B62B5/065 ,  B62B5/066 ,  B62B2202/12

Abstract: A wheeled vehicle comprising a power-driven spider assembly for ascending and descending stairs. The vehicle includes an angular position sensor providing input to a controller operable to control a servo-motor to effectively lock the position of the spider relative to the frame, regardless of the hand truck's spatial orientation relative to a vertical plane, or any balancing of the hand truck. The angular position sensor provides input to the controller, which is programmed with predefined angular zones of instability, and causes the controller to accelerate rotation of the spiders through those zones when the wheeled vehicle is in the descent mode, to avoid instability of the hand truck. A hand truck may include a removable basket and/or a pivotable platform usable to transport loads.

Abstract translation: 一种轮式车辆，包括用于上升和下降楼梯的动力驱动的蜘蛛组件。 车辆包括角位置传感器，其向控制器提供输入，该控制器可操作以控制伺服电机，以有效地锁定蜘蛛相对于框架的位置，而不管手推车相对于垂直平面的空间取向，或者任何平衡 手推车。 角位置传感器为控制器提供输入，该控制器使用预定义的不稳定角度区域进行编程，并且当轮式车辆处于下降模式时，使控制器加速蜘蛛通过这些区域的旋转，以避免手动卡车的不稳定 。 手推车可以包括可移动的篮和/或可枢转平台，其可用于运输负载。

公开(公告)号：WO2008100524A2

公开(公告)日：2008-08-21

申请号：PCT/US2008/001870

申请日：2008-02-12

Applicant: STERRACLIMB LLC ,  SAROKHAN, Joseph ,  KAMARA, Steven ,  YANG, Michael

Inventor： SAROKHAN, Joseph ,  KAMARA, Steven ,  YANG, Michael

IPC: B62B9/02

CPC classification number: B62B5/026 ,  B62B5/0033 ,  B62B5/0069 ,  B62B5/065 ,  B62B5/066 ,  B62B2202/12

Abstract: A wheeled vehicle comprising a power-driven spider assembly for ascending and descending stairs. The vehicle includes an angular position sensor providing input to a controller operable to control a servo-motor to effectively lock the position of the spider relative to the frame, regardless of the hand truck's spatial orientation relative to a vertical plane, or any balancing of the hand truck. The angular position sensor provides input to the controller, which is programmed with predefined angular zones of instability, and causes the controller to accelerate rotation of the spiders through those zones when the wheeled vehicle is in the descent mode, to avoid instability of the hand truck. A hand truck may include a removable basket and/or a pivotable platform usable to transport loads.

Abstract translation: 包括用于上升和下降楼梯的动力驱动的星形轮组件的轮式车辆。 该车辆包括向控制器提供输入的角度位置传感器，该控制器可操作以控制伺服电动机以有效地锁定蜘蛛相对于框架的位置，而不管手推车相对于竖直平面的空间取向， 手推车。 角度位置传感器向控制器提供输入，该控制器被编程有预定义的不稳定区域，并且当轮式车辆处于下降模式时，使得控制器加速蜘蛛穿过这些区域的旋转，以避免手推车的不稳定 。 手推车可能包括可移动的篮子和/或可用于运输货物的可枢转平台。

公开(公告)号：WO2006045107A3

公开(公告)日：2006-04-27

申请号：PCT/US2005/038221

申请日：2005-10-18

Applicant: YANG, Michael ,  KAMARA, Steven ,  FOLLETTE, David

Inventor： YANG, Michael ,  KAMARA, Steven ,  FOLLETTE, David

IPC: B60B1/00 ,  B60B3/00 ,  B62B1/00 ,  B62B3/00 ,  B62B11/00

Abstract: A collapseable spider wheel assembly on a towing device enables storage of the device into a standard rectangular space. Once collapsed, the collapsible spider assembly is protected within the body of the towing device. Furthermore, actuation of the folding and unfolding may be accomplished through the usual telescoping of the carrying handle of such a device, such as in a suitcase embodiment. While the spider wheels are in the open position, the carrying apparatus may exert a drive force to climb up stairs and braking force to descend stairs. The unit operates as a normal wheeled carrying apparatus while traversing a horizontal surface.