| 摘要 |
A burglar and storm-resistant cover for windows or doors and the like comprising a frame including an upper frame member and a pair of vertical U-shaped channels connected to the ends of the upper frame member and spaced to receive for vertical movement respectively of the opposite end portions of metallic louvers respectively having a relatively narrow and normally uppermost panel integral with a depending relatively wide vertical panel, a pair of first cables respectively adjacent opposite end portions of the louvers and having associated devices arranged to maintain the louvers in spaced relationship when extended vertically to close the window or door to view, coiling arrangements operable to contract the louvers into complete or partial compact manner, a pair of second cables respectively associated with the opposite end portions of the louvers and connected at their lower ends to end portions of the lowermost louver for elevation of the same when coiled in the upper portion of tile frame, and a pair of third vertical cables connected at spaced locations to the opposite end portions of the narrow upper panels of the louvers, whereby when said third cables are pulled downward when the louvers are in closed position, the louvers will be disposed uniformly in tilted manner to provide light-passage openings. Several types of locking means respectively maintain the louvers locked in closed position and certain types of cable coiling mechanisms are provided.
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