Balance shoe for reducing the size of a pivotable window sash as

Details Balance shoe for reducing the size of a pivotable window sash as Balance shoe for reducing the size of a pivotable window sash as

1999-12-02

2000-12-19

Stodola, Daniel P.

Movable or removable closures

Mounted for optional movements

Pivot mounted on sliding member; e.g., slide-stile

49176, E05D 1522

Patent

active

061613355

ABSTRACT:
A balance shoe for a pivotable window sash assembly includes a base unit at the lower end of the balance shoe. The base unit includes a fixed wall having a movable wall connected thereto by a connecting structure. A cam is disposed between the fixed wall and the movable wall for moving the movable wall with respect to the fixed wall while the connecting structure maintains the movable wall in a generally parallel relationship with the fixed wall. The cam extends beyond the upper edge of the fixed wall and the movable wall. This arrangement of elements permits a smaller window to be used while still providing the same egress area when the window is open as compared to conventional window assemblies.

REFERENCES:
patent: 4493128 (1985-01-01), Corry
patent: 4958462 (1990-09-01), Cross
patent: 5127192 (1992-07-01), Cross
patent: 5377384 (1995-01-01), Riegelman
patent: 5632118 (1997-05-01), Stark
patent: 5704165 (1998-01-01), Slocomb et al.
patent: 5806243 (1998-09-01), Prete et al.
patent: 5943822 (1999-08-01), Slocomb et al.

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