Air-conditioning blow-out port unit and process for manufacturin

Details Air-conditioning blow-out port unit and process for manufacturin Air-conditioning blow-out port unit and process for manufacturin

1992-10-23

1994-08-23

Joyce, Harold

Ventilation

Vehicle

Having inlet airway

454319, B60H 134

Patent

active

053403576

ABSTRACT:
An air-conditioning blow-out port unit comprises a housing formed by a primary injection molding of synthetic resin and having a plurality of coaxially arranged shaft holes provided in opposed sidewalls, and a plurality of blades formed in the housing by a secondary injection molding of synthetic resin and each having a pair of support shafts projectingly provided at the opposite sides of a blade body and turnably fitted in each pair of the shaft holes. In this air-conditioning blow-out port unit, an extra shaft portion is consecutively formed on the support shaft to project outwardly from the housing with the same diameter as the support shaft, and a flange is formed between the support shaft and the blade body in an opposed relation to an inner surface of the housing. With this unit, a turning feeling of the blade can be stablized irrespective of thermal expansion and shrinkage of the housing and the blade.

REFERENCES:
patent: 4103601 (1978-08-01), Dayus
patent: 4414170 (1983-11-01), Sano
patent: 4546695 (1985-10-01), Ouchi et al.

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