F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/37
F24F 13/14 (2006.01) F24F 11/053 (2006.01) F24F 13/15 (2006.01)
Patent
CA 1089282
ABSTRACT OF THE DISCLOSURE AUTOMATIC AIR REGISTER A self-regulating air register includes a housing through which air can pass, and louvres in the housing for closing and opening the flow path for air. A crank arm is connected to the louvres and can, upon rotation, adjust the degree of closure. A shaft extends through the housing means and a bi-metallic element is connected to the shaft at one end and to a control knob at the other end, the control knob being mounted to the housing and being capable of selective adjustment in terms of angle. Thus, the bi-metallic element is adapted to regulate the angular orientation of the shaft with respect to the housing means. A lever is connected to the shaft and extends perpendicularly therefrom. The lever defines a slot in which part of the crank arm is captive. The slot has a first part arranged such that when the crank arm part is located therein no crank arm rotation is caused by lever rotation. The slot has a second portion disposed such that when the part of the crank arm is located in the second portion, the crank arm is caused to rotate when the lever rotates.
286878
Edwards Allen W.
Sim & Mcburney
LandOfFree
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