Adjustable register incorporating a toggle-joint mechanism to mo

Details Adjustable register incorporating a toggle-joint mechanism to mo Adjustable register incorporating a toggle-joint mechanism to mo

1999-07-15

2000-10-24

Joyce, Harold

Ventilation

Having inlet airway

Including specific air distributor

454335, F24F 700

Patent

active

061358800

ABSTRACT:
An adjustable register includes a frame member having an air passage therethrough, a plurality of slats connected pivotally to the frame member, a slat connecting member connected to each of the slate a slat-controlling linkage connected pivotally to one of the slats, a toggle-joint mechanism connected pivotally to the slat-controlling linkage on the frame member, and a plurality of blocking bars on the frame member. As the toggle-joint mechanism is operated, the slat-controlling linkage is driven to drive one of the slats. All slats move concurrently between a closed position where the slats contact closely the blocking bars, and an open position where the slats allow air flow through the air passage. In the closed position, the air-tight effect of the register is ensured.

REFERENCES:
patent: 4550648 (1985-11-01), Eagle
patent: 4911066 (1990-03-01), Carew
patent: 4958555 (1990-09-01), Lentz et al.
patent: 5833134 (1998-11-01), Ho et al.

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