Shutter adapted to self lock in closed and open positions

Details Shutter adapted to self lock in closed and open positions Shutter adapted to self lock in closed and open positions

1988-05-25

1989-07-18

Arnold, Bruce Y.

350269, 16319, 16348, G02B 2602, E05D 1110

Patent

active

048488739

ABSTRACT:
The present invention relates to a shutter mechanism including a shutter adapted to rotate 45.degree. from closed to open positions and which is self locking in both positions.

REFERENCES:
patent: 3108733 (1963-10-01), Tyrseck et al.
patent: 3545005 (1970-12-01), Gallagher
patent: 4432609 (1984-02-01), Dueker et al.

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