Hair-drier with valves for controlling the air flow

Details Hair-drier with valves for controlling the air flow Hair-drier with valves for controlling the air flow

1983-07-15

1985-06-25

Envall, Jr., Roy N.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

34 96, 137601, 219368, 219370, A45D 2026, F24H 300, H05B 100

Patent

active

045256233

ABSTRACT:
A hair-drier including a tubular housing having an air outlet is provided with two valve members pivotally mounted in the housing for controlling the flow of air therethrough. An opening is formed in the wall of the housing; and a rotatable member extends through such opening for actuating the valve members, two curved slots being formed in the actuating member. A projection is provided on each valve member for respective engagement with the curved slots so that upon turning of the actuating member, the valve members are pivoted in opposite directions.

REFERENCES:
patent: 1765380 (1930-06-01), McGinnis
patent: 2782527 (1957-02-01), Schweitzer et al.
patent: 3241568 (1966-03-01), Mayo, Jr.
patent: 3384112 (1968-05-01), Smith
patent: 3547152 (1970-12-01), Hess
patent: 3877677 (1975-04-01), Daghe et al.
patent: 4076035 (1978-02-01), Frisch
patent: 4232454 (1980-11-01), Springer
patent: 4366368 (1982-12-01), Stephens
patent: 4377181 (1983-03-01), Chan
patent: 4391047 (1983-07-01), Janssens et al.

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