Window bar assembly

Details Window bar assembly Window bar assembly

1986-02-03

1987-07-07

Kannan, Philip C.

Movable or removable closures

With protective grille or safety guard

Moves relative to primary closure

49141, 49395, E06B 368

Patent

active

046777890

ABSTRACT:
A window guard assembly having a first stationary frame rigidly attached to a window opening having a second frame hingedly attached thereto and sized to closely fit within the first frame. A grate is rigidly attached to the second frame. To prevent unauthorized entry, a channel attached to the second frame has a pair of locking bars slidably mounted in the channel and movable into engagement with apertures in both frames to lock the second frame in its closed position. A lever handle and extension arm are pivotally attached to the locking bars to cause movement between their locking and release positions.

REFERENCES:
patent: 1262927 (1918-04-01), Derhammer
patent: 2668729 (1954-02-01), Watters
patent: 2711565 (1955-06-01), Levin
patent: 3087750 (1963-04-01), Kelly
patent: 4249345 (1981-02-01), Littleton
patent: 4283882 (1981-08-01), Hubbard et al.
patent: 4384428 (1983-05-01), Cox

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