Gear box of air fan

Details Gear box of air fan Gear box of air fan

1991-09-30

1992-06-23

Lorence, Richard

Machine element or mechanism

Elements

Gear casings

F16H 5702

Patent

active

051232995

ABSTRACT:
A gear box for storing gears of a swinging controller of an air fan in the gear box includes an upper cover fixed on the gear box and integrally formed by plastic molding process to form two screw holes in situ in the upper cover for saving a manual drilling and tapping operation so that an outer housing may be secured on the gear box by a screw inserted into one of the two screw holes formed in the upper cover for encasing the gear box and a fan motor inside the housing.

REFERENCES:
patent: 3363477 (1968-01-01), Curtiss et al.

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