Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Comprising nested open curved portions attached to hinged...
Patent
1994-08-19
1996-10-15
Purol, David M.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Comprising nested open curved portions attached to hinged...
160201, 160232, E05D 104
Patent
active
055641644
ABSTRACT:
A base member and a fascia are assembled to form a hollow door section which is filled with insulative material. Adjacent sections are coupled along respective longitudinal edges for angular and spatial displacement. The base member is extended from a selected plastic with male and female coupling components extending continuously along respective longitudinal edges. A plurality of mounting members projecting from the lateral edges of the sections matingly and slidably engage the semi-cylindrical guide surface of a tract for reciprocal vertical movement of the door. The door may be partially raised for spatial displacement of the sections whereby flow-through ventilation openings are exposed. In a specific embodiment, a flexible drive screw is rotatably carried within the track for powered operation of the door. In alternate embodiments a generally tubular door track is either grasped by a door guide apparatus having a clip, or the guide is slit and a rounded guide rides within the track. A door spring assembly shroud is also provided.
REFERENCES:
patent: 3592289 (1971-07-01), Aysta et al.
patent: 3889736 (1975-06-01), Firks
patent: 3941180 (1976-03-01), Thill
patent: 4830080 (1989-05-01), Densen
patent: 5133108 (1992-07-01), Esnault
Gresham Lowell W.
Meschkow Jordan M.
Purol David M.
Takahashi Mark M.
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