| 摘要 |
An integral piece for applying to a sharp corner element such as on a window frame, having a base with a recess in its under surface with flanges or ribs on two contiguous sides. Rising from the base is a rounded boss, symmetrical on a diagonal line from the juncture of the flanges. When applied to the window frame, the flanges fit against the edges of the frame forming the sharp corner, and the boss extends both up from the base and generally toward the corner. The symmetry of the guard enables it to fit either corner of the window frame, i.e., either right or left. The guard is held in place alternatively by an adhesive material, or mechanical means such as a screw.
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