Lift-off guard guide for tilt shoe
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United States of America Patent
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-
Apr 1, 1997
Grant Date -
N/A
app pub date -
May 5, 1995
filing date -
May 5, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guard guide surface for the lift-off slot of a tilt sash shoe is disposed obliquely above the lift-off slot to engage the head of a sash pin rising directly vertically from the slot. This prevents accidental withdrawal of a sash pin from a shoe when the sash is tilted. When the sash is slanted, however, for intentional withdrawal from a window, the sash pins can be lifted from their slots in off-vertical motions that clear the guide surface.
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