Window having a bellows-type opening movement and permitting com

Movable or removable closures – Mounted for multidirectional or oblique movement – Swings on plural axes; e.g. – pivotal link arms

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Details

49249, E05D 1542

Patent

active

039369781

ABSTRACT:
The movable window-leaf has an axis of pivotal motion parallel to one side and displaceable in translational motion in a direction parallel to itself, two identical arms being pivotally attached at one end to the two sides located at right angles to said axis and at the other end to the corners of the fixed window-casing. The length of the two arms is at least equal to one-half the length of the sides of the window-casing located at right angles to the pivotal axis so as to permit complete reversal of the window-leaf about the two points of pivotal attachment of the arm to the leaf.

REFERENCES:
patent: 2044258 (1936-06-01), Reynaud
patent: 3101135 (1963-08-01), Neal et al.

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