| 摘要 |
An adjustable, inexpensive patio door roller in which the roller is rotatably mounted at a dependent end of a housing which is provided with a weakened section about which section the dependent end may be bent so as to adjust the relative position of the roller with respect to the housing. A stirrup and adjusting screw are provided to facilitate the adjustment. The roller may be screwed to a patio door or secured thereto by a combination of screws and retaining prongs which are inserted into correspondingly placed slots.
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