Movable or removable closures – Mounted for multidirectional or oblique movement – Initial or terminal movement transverse to sliding movement...
Patent
1984-08-27
1986-03-18
Downey, Kenneth
Movable or removable closures
Mounted for multidirectional or oblique movement
Initial or terminal movement transverse to sliding movement...
49404, 49234, 49378, E05D 1510
Patent
active
045759669
ABSTRACT:
A magnetically sealed sliding window system including a perimetric frame including header and base portions each defining a narrow channel for receiving a glazing pane and an adjacent second channel. A sliding panel is seated within the second channel. Longitudinal magnets are secured on the inner face of the sliding panel. Where the perimetric frame is formed of nonmagnetic material, magnets also are secured along the header and base second channel sections. No magnets are required on the perimetric frame when same is formed of magnetic material such as steel. In sealed condition, the sliding panel is positioned above the floor of the base channel with the panel magnetically held. The magnets have longitudinally extending magnetic poles establishing a magnetic coupling between adjacent unlike poles. The height of the sliding panel is less than the height of the frame. Translation of the sliding panel first in a vertical direction, shifts the adjacent magnetic polarity so that repulsion force causes the sliding panel to be displaced into an offset vertical plane, disengaging the magnets dropping the sliding panel into the base channel and freeing same for translation in a horizontal direction. Release of the panel results in reestablishment of the magnetic coupling. A purchase is provided on the outer face of the sliding panel of facilitate translation of the panel. Ramps are provided when the frame is formed of magnetic material to displace the sliding panel into the offset vertical plane when the panel is vertically translated to dislodge the sliding panel from the magnetic coupling. A strip of ferrous material may be applied to the perimetric frame header and base sections if same are formed of nonmagnetic material.
REFERENCES:
patent: 3334442 (1967-08-01), Boettcher
patent: 3346993 (1967-10-01), Johnson
patent: 3465536 (1969-09-01), Vogel et al.
patent: 3947998 (1976-04-01), Matsubara
patent: 4114317 (1978-09-01), Crawley
Downey Kenneth
Jarrow Products Inc.
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