Movable or removable closures – With means mounting closure for reciprocation – Revolving guide component; e.g. – roller or gear
Patent
1985-03-22
1986-12-23
Downey, Kenneth
Movable or removable closures
With means mounting closure for reciprocation
Revolving guide component; e.g., roller or gear
49501, 49504, E05D 1300
Patent
active
046304002
ABSTRACT:
A closure with sashes includes a closure body, an inner sash enclosing around the closure body and including a first upper rail, a first lower rail, a first left stile and a first right stile and an outer sash matchable with the inner sash, including a second upper rail, a second lower rail, a second left stile and a second right stile and adapted to be mounted on a wall of a building wherein there exists a characteristic that the first upper rail is identical to the first lower rail in shape.
REFERENCES:
patent: 3370383 (1968-02-01), Riegelman
patent: 4106239 (1978-08-01), Bancroft et al.
patent: 4286716 (1981-09-01), Budich et al.
patent: 4341043 (1982-07-01), Yamamoto et al.
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