Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closure checks – Inertia
Patent
1996-04-15
1997-10-28
Mah, Chuck Y.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closure checks
Inertia
16 86R, 16 86B, 49383, 292343, 292DIG17, E05F 504, E05D 1100
Patent
active
056806752
ABSTRACT:
A pivotal sliding bi-fold door structure mounted in a door frame having a track slidably accommodating the bi-fold door structure. The bi-fold door structure comprising at least two door panels pivotally connected by a hinge member. The improvement comprising a bi-fold door safety wedge including a main body structure. A pair of non-parallel edges on opposite sides of the main body structure facing away from each other and extending along the main body structure and nearly intersect to form a vertex at a front portion of the main body structure. Another edge extending between the non-parallel edges at a back portion of the main body structure. An elastic strap for removably elastically securing the main body structure to the hinge member, where the removable elastic securing strap has the characteristic of adjustably positioning the vertex of the main body structure in adjacency with the hinge member when the bi-fold door structure is in an open position. A non-slip surface portion located along the main body structure co-extensive with the pair of non-parallel edges thereby aiding to maintain an operational wedge-stopped position. The removable elastic securing strap further having the characteristic of enabling manual positioning of the main body structure to a non-wedged position adjacent a front side of the door panels thereby enabling the bi-fold door structure to be movable into the fully closed position.
REFERENCES:
patent: 3137025 (1964-06-01), Howard
patent: 3325854 (1967-06-01), Steigerwald
patent: 4368555 (1983-01-01), Salerno
patent: 4648152 (1987-03-01), Grewall
patent: 5369840 (1994-12-01), Salvador et al.
patent: 5509235 (1996-04-01), Chander
patent: 5511837 (1996-04-01), Dempsey et al.
Gurley Donald M.
Mah Chuck Y.
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