Patent ID: 11866943
Assignee: BMIC LLC
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 0:
1. A vent comprising:
a main body;
a plurality of ventilation openings formed through the main body;
a slide configured to be movable along the main body between an open position allowing airflow through the plurality of ventilation openings and a closed position substantially preventing airflow through the plurality of ventilation openings;
a first spring connected to a first end of the slide and configured to apply a biasing force to bias the slide toward the closed position; and
a second spring connected to a second end of the slide and configured apply to a holding force to hold the slide in an open condition against the biasing force;
wherein the first and second springs each comprise a tension spring having one end connected to the main body and another end connected to the slide;
wherein the holding force applied by the second spring is greater than the biasing force of the first spring so as to hold the slide in the open position;
wherein the slide is configured to be manually moveable between the open and closed positions by a user, to be automatically moveable between the open and closed positions, or a combination thereof.