公开(公告)号：US6047439A

公开(公告)日：2000-04-11

申请号：US174512

申请日：1998-10-16

Applicant: Shawn Stearn

Inventor： Shawn Stearn

IPC: B60B33/00

CPC classification number: B60B33/0002 ,  Y10T16/186 ,  Y10T16/191 ,  Y10T16/201

Abstract: An inexpensive and easily replaceable caster wheel assembly is provided for use with a cart, dolly or other similar product. The caster wheel assembly includes a mounting flange, a bearing assembly comprising inner and outer bearing races disposed within an opening of the mounting flange, a yoke having a rotatable wheel, and a retention member for releasably securing the yoke to the bearing assembly. In one embodiment, the inner race of the bearing assembly has a depending extension and a snap ring secures the extension in operative relation to the yoke. In an alternative embodiment, the yoke has an upstanding connecting element and a set screw releasably secures the connecting element in operative relation to the inner bearing race.

Abstract translation: 提供了一种便宜且易于更换的脚轮组件，用于与推车，小车或其它类似产品一起使用。 脚轮组件包括安装凸缘，轴承组件包括设置在安装凸缘的开口内的内轴承座和外轴承座，具有可旋转轮的轭，以及用于将轭固定到轴承组件上的保持构件。 在一个实施例中，轴承组件的内圈具有悬垂的延伸部，并且卡环将延伸部固定在与轭架有效的关系上。 在替代实施例中，轭具有直立的连接元件，并且固定螺钉将连接元件可释放地固定在内轴承座上。