Actuation mechanism for vent and exhaust doors

Details Actuation mechanism for vent and exhaust doors Actuation mechanism for vent and exhaust doors

1988-02-08

1991-04-30

Tapolcai, William E.

Refrigeration

Structural installation

Window connected or mounted

98 942, F25D 2312

Patent

active

050107429

ABSTRACT:
The indoor blower scroll structure includes integrally formed vent and exhaust port walls with associated doors attached thereto. A single actuator mechanism is also attached to the scroll structure and is mechanically linked to both doors to thereby provide a single and reliable actuation assembly, all of which is mounted on the scroll structure. In a preferred embodiment, the actuator comprises a single, lever actuated cam which directly engages levers on both the vent and exhaust doors.

REFERENCES:
patent: 3123989 (1964-03-01), Wright
patent: 3152456 (1964-10-01), Prendergast
patent: 3194028 (1965-07-01), Bell, Jr.
patent: 3823574 (1974-07-01), Bolton
patent: 3826105 (1974-07-01), Marsteller
patent: 3921416 (1975-11-01), Murnane et al.
patent: 3932157 (1976-01-01), Bolton et al.
patent: 4090373 (1978-05-01), Lang et al.
patent: 4524588 (1985-06-01), Bond
patent: 4553405 (1985-11-01), Napolitano et al.

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