Ventilator

Details Ventilator Ventilator

2005-12-13

2005-12-13

Joyce, Harold (Department: 3749)

Ventilation

Vehicle

Having inlet airway

C454S315000, C454S318000, C454S320000

Reexamination Certificate

active

06974378

ABSTRACT:
A ventilator includes: a plurality of louvers arranged in parallel from one end to the other end of one direction at a supply opening formed in a case; shaft pins respectively formed on both ends at one ends of the louvers and inserted into a plurality of shaft holes; the operation pins being inserted into a plurality of operation holes formed along a longitudinal direction of a link with predetermined intervals; and a standard louver being opened and closed with the shaft pins serving as a center of opening and closing, wherein, gaps (A) between the operation holes on the link are set so as to be larger than gap (B) between a line connecting the shaft pins of the standard louver and the operation pin.

REFERENCES:
patent: 2142616 (1939-01-01), Otto
patent: 2614301 (1952-10-01), Axtell
patent: 2743796 (1956-05-01), Focht et al.
patent: 3110936 (1963-11-01), Oreste
patent: 4699322 (1987-10-01), Jobst
patent: 5769709 (1998-06-01), Kim
patent: 5810659 (1998-09-01), Kim
patent: 6652371 (2003-11-01), Kamio
patent: 623828 (1949-05-01), None
patent: 660456 (1951-11-01), None
patent: 58-97515 (1983-06-01), None
patent: 61-191414 (1996-08-01), None
patent: 2001-158226 (2001-06-01), None

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