Movable or removable closures – Collinear closures – one moves to offset position – Moved closure has additional movement
Patent
1980-03-31
1982-04-13
Kannan, Philip C.
Movable or removable closures
Collinear closures, one moves to offset position
Moved closure has additional movement
49130, 49176, 49181, 49260, 49DIG1, E05D 1520
Patent
active
043240720
ABSTRACT:
An insulated multiple component single plane building structure portal closure embodying as components thereof a portal closure frame with glazing frame transversely disposed parallel tracks aligned the opposite sides thereof and adapted through use of glazing frame hardware in combination therewith to slidably receive therein one or more glazing frame sashes or panels in either a vertically or horizontally operable window or door assembly wherein the respective sash or panel members thereof are displaceable from a contiguous abutting single plane configuration within the portal closure frame track structure for parallelly slidable displaced movement for opening structure inward pivotal tilting, and removal therefrom or replacement thereto, wherein the entire portal closure frame and glazing frame structures incorporate complementary to the single plane secured closure configuration thereof transverse thermal barrier connectors intermediate the building structure interior and exterior exposure surfaces thereof to thereby substantially reduce thermal differential building structure interior to exterior conductive, air infiltration, and convective heat losses and also reduce glazing surface moisture vapor condensation problems in addition to providing an improved physical security structure for portal closures.
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Kannan Philip C.
Learned Jr. Samuel M.
Product Design & Development Inc.
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