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公开(公告)号：US20180201064A1
公开(公告)日：2018-07-19
申请号：US15918993
申请日：2018-03-12
IPC分类号： B60B33/08
CPC分类号： B60B33/08 , A45C5/14 , A45C2005/142 , B60B19/003 , B60B33/0026 , B60B33/0028 , B60B35/009 , B60B35/18 , B60B2200/20 , B60B2200/22 , B60B2380/76
摘要： The present utility model refers to a rolling device and, more particularly, an improved multi-directional ball caster-type device having an increased slope, which means a smaller angular slope level, or a more acute inclination angle between the central vertical axis of the device and the surface upon which it rolls. The slope, or inclination angle of the present improved device is from 62° to 50°, or less. As the inclinations angle can be more acute, the object supported on the rolling system, e.g. a luggage case, can be more sloped without having friction between the main ball involving structure and the ground.
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公开(公告)号：US20180201063A1
公开(公告)日：2018-07-19
申请号：US15918173
申请日：2018-03-12
CPC分类号： B60B33/08 , A45C5/14 , A45C13/385 , A45C2005/142 , B60B19/003 , B60B33/0026 , B60B33/0065 , B60B2200/20 , B60B2200/22
摘要： The present utility model refers to a rolling device and, more particularly, an improved multi-directional ball caster-type device having an increased slope, which means a smaller angular slope level, or a more acute inclination angle between the central vertical axis of the device and the surface upon which it rolls. The slope, or inclination angle of the present improved device is from 62° to 50°, or less. As the inclinations angle can be more acute, the object supported on the rolling system, e.g. a luggage case, can be more sloped without having friction between the main ball involving structure and the ground.
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