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31. 发明授权

US07533434B2 Counterbalance assembly for a fold out ramp 有权
公开(公告)号：US07533434B2
公开(公告)日：2009-05-19
申请号：US12255628
申请日：2008-10-21
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： E01D1/00
CPC分类号： E01D19/00 , A61G3/061 , A61G3/067 , B60P1/433 , B60R3/02 , Y10S414/134 , Y10T74/18832 , Y10T403/32254
摘要： A counterbalance for a ramp assembly includes a chain assembly and a spring assembly. The spring assembly includes a spring and first and second spring fittings. The first spring fitting restrains a first end of the spring when the ramp portion is between a neutral position and the stowed position and moves the first end of the spring toward a second end of the spring when the ramp portion moves from the neutral position toward the deployed position. The second spring fitting is spaced from the first spring fitting and restrains the second end of the spring when the ramp portion is between the neutral position and the deployed position. The second spring fitting moves the second end of the spring toward the first end of the spring when the ramp portion moves from the neutral position toward the stowed position.

32. 发明授权

US07533433B2 Counterbalance assembly for a fold out ramp 有权
公开(公告)号：US07533433B2
公开(公告)日：2009-05-19
申请号：US12255627
申请日：2008-10-21
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： E01D1/00
CPC分类号： E01D19/00 , A61G3/061 , A61G3/067 , B60P1/433 , B60R3/02 , Y10S414/134 , Y10T74/18832 , Y10T403/32254
摘要： A counterbalance for a ramp assembly includes a chain assembly and a spring assembly. The spring assembly includes a spring and first and second spring fittings. The first spring fitting restrains a first end of the spring when the ramp portion is between a neutral position and the stowed position and moves the first end of the spring toward a second end of the spring when the ramp portion moves from the neutral position toward the deployed position. The second spring fitting is spaced from the first spring fitting and restrains the second end of the spring when the ramp portion is between the neutral position and the deployed position. The second spring fitting moves the second end of the spring toward the first end of the spring when the ramp portion moves from the neutral position toward the stowed position.

33. 发明授权

US07533432B2 Counterbalance assembly for a fold out ramp 有权
标题翻译：折叠坡道的平衡组件
公开(公告)号：US07533432B2
公开(公告)日：2009-05-19
申请号：US12255625
申请日：2008-10-21
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： E01D1/00
CPC分类号： E01D19/00 , A61G3/061 , A61G3/067 , B60P1/433 , B60R3/02 , Y10S414/134 , Y10T74/18832 , Y10T403/32254
摘要： A counterbalance for a ramp assembly includes a chain assembly and a spring assembly. The spring assembly includes a spring and first and second spring fittings. The first spring fitting restrains a first end of the spring when the ramp portion is between a neutral position and the stowed position and moves the first end of the spring toward a second end of the spring when the ramp portion moves from the neutral position toward the deployed position. The second spring fitting is spaced from the first spring fitting and restrains the second end of the spring when the ramp portion is between the neutral position and the deployed position. The second spring fitting moves the second end of the spring toward the first end of the spring when the ramp portion moves from the neutral position toward the stowed position.
摘要翻译：斜坡组件的平衡包括链组件和弹簧组件。弹簧组件包括弹簧和第一和第二弹簧配件。当斜坡部分处于中立位置和收起位置之间时，第一弹簧配件限制弹簧的第一端，并且当斜坡部分从中立位置朝向弹簧的位置移动时，弹簧的第一端朝向弹簧的第二端移动部署位置。第二弹簧配件与第一弹簧配件间隔开，并且当斜坡部分在中间位置和展开位置之间时，限制弹簧的第二端。当斜坡部分从中立位置移动到收起位置时，第二弹簧配件使弹簧的第二端朝向弹簧的第一端移动。

34. 发明申请

US20090035113A1 COUNTERBALANCE ASSEMBLY FOR A FOLD OUT RAMP 有权
公开(公告)号：US20090035113A1
公开(公告)日：2009-02-05
申请号：US12255628
申请日：2008-10-21
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： B60P1/43 , A61G3/06
CPC分类号： E01D19/00 , A61G3/061 , A61G3/067 , B60P1/433 , B60R3/02 , Y10S414/134 , Y10T74/18832 , Y10T403/32254
摘要： A counterbalance for a ramp assembly includes a chain assembly and a spring assembly. The spring assembly includes a spring and first and second spring fittings. The first spring fitting restrains a first end of the spring when the ramp portion is between a neutral position and the stowed position and moves the first end of the spring toward a second end of the spring when the ramp portion moves from the neutral position toward the deployed position. The second spring fitting is spaced from the first spring fitting and restrains the second end of the spring when the ramp portion is between the neutral position and the deployed position. The second spring fitting moves the second end of the spring toward the first end of the spring when the ramp portion moves from the neutral position toward the stowed position.

35. 发明申请

US20080273956A1 COUNTERBALANCE ASSEMBLY FOR A FOLD OUT RAMP 有权
标题翻译：折旧组合折旧
公开(公告)号：US20080273956A1
公开(公告)日：2008-11-06
申请号：US12114647
申请日：2008-05-02
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： B60P1/00
CPC分类号： E01D19/00 , A61G3/061 , A61G3/067 , B60P1/433 , B60R3/02 , Y10S414/134 , Y10T74/18832 , Y10T403/32254
摘要： A counterbalance for a ramp assembly includes a chain assembly and a spring assembly. The spring assembly includes a spring and first and second spring fittings. The first spring fitting restrains a first end of the spring when the ramp portion is between a neutral position and the stowed position and moves the first end of the spring toward a second end of the spring when the ramp portion moves from the neutral position toward the deployed position. The second spring fitting is spaced from the first spring fitting and restrains the second end of the spring when the ramp portion is between the neutral position and the deployed position. The second spring fitting moves the second end of the spring toward the first end of the spring when the ramp portion moves from the neutral position toward the stowed position.
摘要翻译：斜坡组件的平衡包括链组件和弹簧组件。弹簧组件包括弹簧和第一和第二弹簧配件。当斜坡部分处于中立位置和收起位置之间时，第一弹簧配件限制弹簧的第一端，并且当斜坡部分从中立位置朝向弹簧的位置移动时，弹簧的第一端朝向弹簧的第二端移动部署位置。第二弹簧配件与第一弹簧配件间隔开，并且当斜坡部分在中间位置和展开位置之间时，限制弹簧的第二端。当斜坡部分从中立位置移动到收起位置时，第二弹簧配件使弹簧的第二端朝向弹簧的第一端移动。

36. 发明申请

US20080271269A1 FOLD OUT RAMP 有权
标题翻译：退出坡度
公开(公告)号：US20080271269A1
公开(公告)日：2008-11-06
申请号：US12114663
申请日：2008-05-02
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： B65G69/28
CPC分类号： B65G69/2811 , B60P1/433 , Y10S414/134
摘要： A ramp assembly includes a ramp disposed within a vehicle. The ramp assembly further includes a movable floor hingedly coupled at a first end to the ramp. A reciprocating mechanism reciprocates a second end of the movable floor between a lowered position when the ramp is in the stowed position, and a raised position when the ramp is in the deployed position.
摘要翻译：斜坡组件包括设置在车辆内的斜坡。斜坡组件还包括在第一端处铰接地连接到斜坡的活动底板。当斜坡处于收起位置时，往复运动的机构使可移动地板的第二端在下降位置之间往复运动，并且当斜坡处于展开位置时使其升高。

37. 发明申请

US20080017455A1 DRIVE ASSEMBLY WITH OVERRIDE MECHANISM 审中-公开
标题翻译：驱动装配与超载机构
公开(公告)号：US20080017455A1
公开(公告)日：2008-01-24
申请号：US11615751
申请日：2006-12-22
申请人： Alan Cohn , Donald Morris , David Johnson
发明人： Alan Cohn , Donald Morris , David Johnson
IPC分类号： B66B1/34
CPC分类号： A61G3/063
摘要： A drive assembly (100) for a wheelchair lift is provided. The drive assembly (100) includes an actuating assembly (104) in communication with a component of the wheelchair lift. The actuating assembly (104) is configured to selectively apply a driving force to move the component between at least first and second positions. The drive assembly (100) also includes an overload assembly (102) coupled to the actuating assembly (104). The overload assembly (102) is configured to redirect application of the driving force from the component to the overload assembly (102) when a force applied to the component exceeds a predetermined limit.
摘要翻译：提供了一种用于轮椅升降机的驱动组件（100）。驱动组件（100）包括与轮椅升降机的部件连通的致动组件（104）。致动组件（104）构造成选择性地施加驱动力以在至少第一和第二位置之间移动部件。驱动组件（100）还包括耦合到致动组件（104）的过载组件（102）。过载组件（102）被配置为当施加到部件的力超过预定极限时将驱动力从组件施加到过载组件（102）。

38. 发明授权

US09271883B2 Ramp assembly with tilt sensor 有权
标题翻译：带倾斜传感器的斜坡组件
公开(公告)号：US09271883B2
公开(公告)日：2016-03-01
申请号：US13782721
申请日：2013-03-01
申请人： David Johnson , Donald Morris
发明人： David Johnson , Donald Morris
IPC分类号： B60P1/43 , A61G3/06
CPC分类号： A61G3/061 , A61G2203/42 , B60P1/433 , B60P1/436 , Y10S414/134
摘要： A ramp assembly for providing a transition surface between a vehicle floor and an alighting surface is disclosed. The ramp assembly includes a ramp portion that is rotatable between a stowed position and a deployed position. A target operably associated with the ramp portion so that the target reciprocates along a predetermined path when the ramp portion reciprocates between the stowed position and the deployed position. A sensor fitting maintains a fixed orientation relative to a horizontal plane. A sensor is mounted to the sensor fitting such that the sensor senses the target when the ramp portion is in a predetermined position.
摘要翻译：公开了一种用于在车辆地板和下落表面之间提供过渡表面的斜坡组件。斜坡组件包括可在收起位置和展开位置之间旋转的斜坡部分。可操作地与斜坡部分相关联的目标，使得当斜坡部分在收起位置和展开位置之间往复运动时，目标沿预定路径往复运动。传感器配件保持相对于水平面的固定取向。传感器安装到传感器配件上，使得当斜坡部分处于预定位置时传感器感测目标。

39. 发明授权

US08887337B1 Operable ramp 有权
标题翻译：可操作坡道
公开(公告)号：US08887337B1
公开(公告)日：2014-11-18
申请号：US14198160
申请日：2014-03-05
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： B66B9/08 , B66B9/06 , E04F11/00
CPC分类号： E04F11/002 , E04F2011/005
摘要： An operable ramp is moveable between a raised position and a lowered position. In the raised position, the operable ramp forms a step. The operable ramp has a first panel rotatably coupled at a first end about a first axis. The first axis moves in a first direction when the operable ramp moves toward the lowered position and in a second direction when the operable ramp moves toward the raised position. The operable ramp further includes a second panel rotatably coupled at a first end to a second end of the first panel. The first panel and the second panel cooperate to provide an inclined surface when the operable ramp is in the lowered position. A linkage is operably coupled to the first panel to selectively rotate the first panel about the first axis.
摘要翻译：可操作的斜坡可在升高位置和降低位置之间移动。在升高位置，可操作的斜坡形成一个步骤。可操作的斜坡具有第一面板，第一面板围绕第一轴线可旋转地联接在第一端。当可操作的斜坡朝向下降位置移动时，第一轴线沿第一方向移动，并且当可操作斜坡朝着升高位置移动时，第一轴线沿第二方向移动。可操作的斜坡还包括可旋转地联接在第一面板的第二端的第二面板。当可操作斜坡处于降低位置时，第一面板和第二面板协作以提供倾斜表面。联接件可操作地联接到第一面板以选择性地围绕第一轴线旋转第一面板。

40. 发明授权

US08832893B1 Operable ramp 有权
标题翻译：可操作坡道
公开(公告)号：US08832893B1
公开(公告)日：2014-09-16
申请号：US14152929
申请日：2014-01-10
申请人： Donald Morris , David Johnson
发明人： Donald Morris , David Johnson
IPC分类号： B66B9/08
CPC分类号： E04F11/002 , B66B9/08 , E04F2011/007
摘要： An operable ramp is moveable between a stowed position and a deployed position. The operable ramp includes a ramp panel rotatable about a first end. A second end of the ramp panel is lower in the deployed position than in the stowed position. A rotatable support supports a second end of the ramp panel, and a drive assembly selectively rotates the support (1) in a first direction to lower the second end of the ramp panel and (2) in a second direction to raise the second end of the ramp panel. A stop limits rotation of the support in the second direction when the operable ramp is in the stowed position. The weight of the ramp panel biases the support in the second direction, i.e., toward the stop, when the operable ramp is in the stowed position.
摘要翻译：可操作的斜坡可在收起位置和展开位置之间移动。可操作的斜坡包括可绕第一端旋转的斜面板。斜坡面板的第二端在展开位置比在收起位置低。可旋转支撑件支撑斜面板的第二端，并且驱动组件选择性地使第一方向上的支撑件（1）旋转以降低斜面板的第二端，并且（2）在第二方向上升高第二端斜坡面板。当可操作的斜坡处于收起位置时，停止限制支撑件在第二方向上的旋转。当可操作的斜坡处于收起位置时，斜坡面板的重量在第二方向上偏压支撑件，即朝向止挡件。

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