Movable or removable closures – With protective grille or safety guard
Patent
1984-05-30
1986-05-13
Kannan, Philip C.
Movable or removable closures
With protective grille or safety guard
49450, 49501, 52106, 292 36, E06B 300
Patent
active
045877599
ABSTRACT:
An improved reinforced locking window assembly including a rectangular reinforcing structure and a plurality of reinforcing rods. The rectangular reinforcing bar structure aligns with the rails and stiles of a window sash with the rods aligned with the muntins of the sash. A set of troughs and channels are provided in the rails, stiles, and muntins of a pair of sash halves which fit over the reinforcing structure. The two sash halves are joined together around the reinforcing assembly and thus a window sash of conventional appearance, but containing rigid metallic reinforcing elements is provided. The preferred form includes a locking assembly within the check rail of one sash. The lock includes a pair of lock pistons which may be extended longitudinally out of the distal ends of the lock case on the check rail to engage a pair of receiving holes to which they are aligned in the side jambs.
REFERENCES:
patent: 1104076 (1914-07-01), Simmons
patent: 1143965 (1915-06-01), Higgin
patent: 1630153 (1927-05-01), Williams
patent: 2137438 (1938-11-01), Bayley
patent: 2931599 (1960-04-01), McQuilkin
patent: 3137518 (1964-06-01), Dale
patent: 3479769 (1969-11-01), Diack
patent: 3918202 (1975-11-01), Smith
patent: 3990196 (1976-11-01), Eddins
patent: 4225163 (1980-09-01), Hubbard et al.
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