Movable or removable closures – With protective grille or safety guard – Adjustable to various size opening
Patent
1996-05-06
1997-04-08
Kannan, Philip C.
Movable or removable closures
With protective grille or safety guard
Adjustable to various size opening
49 57, 49465, 49506, E06B 700
Patent
active
056176740
ABSTRACT:
An adjustable passageway gate that includes a thin generally rectangular-parallelepiped-shaped panel, a large, extendable, retractable, and generally rectangular-parallelepiped-shaped extension member, a pair of small, spaced-apart, extendable, retractable, and generally rectangular-parallelepiped-shaped extension members, an elongated and generally rectangular-parallelepiped-shaped cross member, and a bolt. The thin generally rectangular-parallelepiped-shaped panel is positionable in on one side of a wall. The large, extendable, retractable, and generally rectangular-parallelepiped-shaped extension member and the pair of small, spaced-apart, extendable, retractable, and generally rectangular-parallelepiped-shaped extension members are extendable to contact the wall when the passageway of the wall is wider than the thin generally rectangular-parallelepiped-shaped panel. The elongated and generally rectangular-parallelepiped-shaped cross member is displaced a distance from the thin generally rectangular-parallelepiped-shaped panel and contacts the other side of the wall. The bolt passes through a centrally-disposed and laterally-oriented throughbore of the elongated and generally rectangular-parallelepiped-shaped cross member and threadably engages the centrally-disposed and laterally-oriented threaded throughbore of the thin generally rectangular-parallelepiped-shaped panel, so that the wall is sandwiched therebetween and the passageway of the wall is blocked.
REFERENCES:
patent: 3000063 (1961-09-01), Hoog
patent: 4677791 (1987-07-01), Larson et al.
patent: 4685247 (1987-08-01), Alam
patent: 4761319 (1988-08-01), Kraus et al.
patent: 4787174 (1988-11-01), Brown
patent: 5207022 (1993-05-01), Watt
Kannan Philip C.
Miller P.E. Richard L.
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