E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 3/32 (2006.01) E05D 15/22 (2006.01)
Patent
CA 2171660
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.
Caldwell Manufacturing Company
Kirby Eades Gale Baker
LandOfFree
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