Snap-in screen frame and mounting for same

Details Snap-in screen frame and mounting for same Snap-in screen frame and mounting for same

1986-05-27

1987-09-01

Joyce, Harold

49369, B60H 126

Patent

active

046900403

ABSTRACT:
An improved ventilation opening having a separate screen frame which is attached to the ventilation opening by pawls mounted on pawl arms, with the pawls inserted into pawl receiving openings in a crossbar on the ventilation opening and having means to more positively retain the pawls within their respective pawl openings.

REFERENCES:
patent: 3170507 (1965-02-01), Kleinknecht
patent: 3587443 (1971-06-01), Rapport
patent: 4038911 (1977-08-01), Hart
patent: 4104825 (1978-08-01), Hosmer

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