Fan device with adjustable rotary-angle

Details Fan device with adjustable rotary-angle Fan device with adjustable rotary-angle

1997-10-17

1999-08-03

Footland, Lenard A.

Machine element or mechanism

Alternating-motion driven device with means during operation...

Stroke adjustable to zero and/or reversible in phasing

416 79, 416100, F16H 3508, F03D 506, B63H 300

Patent

active

059310561

ABSTRACT:
A fan actuator device with an adjustable rotary angle having an upper connector rotated by a motor gear, a toggle mechanism formed by an upper connecting rod, a lower connecting rod and a coupling connector, a swinging arm connected to the coupling connector and a fan shelf and an adjusting handle. The upper and lower connecting rods are pivoted to an upper connector and the adjusting handle. Turning the adjusting handle changes the included angle between the upper and lower connecting rods, also changing the turning radius, to vary the swinging range of the fan.

REFERENCES:
patent: 1115147 (1914-10-01), Zabriskie et al.
patent: 1188384 (1916-06-01), Avery
patent: 1576684 (1926-03-01), Stuart

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