Lift-off guard guide for tilt shoe

Details Lift-off guard guide for tilt shoe Lift-off guard guide for tilt shoe

1995-05-05

1997-04-01

Rachuba, M.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Cord and counterweight

49181, 49453, E05D 1522

Patent

active

056154526

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.

REFERENCES:
patent: 4079549 (1978-03-01), Wood
patent: 4446654 (1984-05-01), Schoolman et al.
patent: 4718194 (1988-01-01), FitzGibbon et al.
patent: 5127192 (1992-07-01), Cross

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