| 摘要 |
A track system for suspending and guiding the movement of a shield to and from a window-covering position in an oven door for a self-cleaning oven when an oven is to be operated at high temperatures to clean the interior surfaces of the oven and the oven door. A linear motion bearing means is provided to suspend the moveable shield by a first end portion within the oven door where the shield moves along the linear motion bearing means to and from a position which covers and shields a transparent pane in an oven door. A second end portion of the moveable shield opposite the first end portion of the shield is free whereby thermal expansion in the moveable shield is accommodated.
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