Filter Lift Apparatus and Method
OwnerDavid Thomas Rutledgeinventor
Life of this patent
Estimating the term…
Abstract
A filtered vent system for a return air duct in a ceiling, the vent system includes a bracket configured to mount to the ceiling. A vent frame mounts to the bracket to fix the frame to the ceiling. A vent plate carries an air filter. A hoist arrangement is mounted to the vent frame and is connected to the vent plate. A hoist arrangement is actuable through an aperture in the vent frame to move the vent plate from a first state in contact with the vent frame to a second state free from contact with the vent frame and spaced apart from the vent frame a distance permitting removal of the air filter.
Claims20
A filtered vent system for a return air duct in a ceiling, the vent system comprising:
- a bracket configured to mount to the ceiling;
- a vent frame configured to be mounted the bracket to fix the vent frame to the ceiling;
- a vent plate carrying an air filter;
- a hoist arrangement mounted to the vent frame and connected to the vent plate;
- wherein the hoist arrangement is actuable through an aperture in the vent frame to move the vent plate from a first state in contact with the vent frame to a second state free from contact with the vent frame and spaced apart from the vent frame a distance permitting removal of the air filter.
A method for replacing an existing vent return plate and existing air filter in an existing frame for a filtered return air vent in a ceiling duct, the method comprising the steps of:
- removing the existing vent return plate while the existing frame surrounding the vent return plate remains fixed to the ceiling;
- removing the existing air filter from the filtered air return vent;
- fastening a bracket on a portion of the ceiling surrounding the existing frame;
- mounting a new frame carrying a new vent plate with a new air filter to the bracket and over the existing frame, the new vent plate moveable relative to the new frame between a closed state in contact with the frame to an open state wherein the vent plate is free from contact with the frame.
Dependencies are inferred from the claim text.