US 2025/0237407 A1 · DUAL SEAL ACCESS PANEL

Abstract

A dual seal access panel is utilized with a conventional roof ventilation system that includes an exterior housing with a generally round access hole. The dual seal access panel has a primary seal, a secondary seal coupled to the primary seal, a mounting bracket assembly, and a central handle. The primary seal is generally round having a central floor surrounded by a peripheral rim. The peripheral lip includes a wall portion and a primary seal abutment. The primary seal abutment has an inboard flange and an outboard flange. The combination of the inboard lip and outboard lip form a generally flat, primary seal contact surface. The mounting bracket assembly includes four mounting brackets each having a mounting plate and a spring biased mounting latch. The mounting latch is movably between a released position and a spring-loaded, engaged position bearing against the fan exterior housing.

Claims18

Dependent claims

A dual seal access panel for use with a housing of an exhaust fan with an access port through the housing, said dual seal access panel comprising:

flexible, resilient primary seal having a central floor and a peripheral rim extending from said central floor, a combination of said central floor and said peripheral rim forming a central recess;
a flexible, resilient secondary seal positioned within said central recess, said secondary seal being adhered to said central floor of said primary seal and said secondary seal being adhered to said peripheral rim of said primary seal;
a handle coupled to either said primary seal or said secondary seal or a combination of said primary seal and said secondary seal, and
a plurality of mounting brackets coupled to said primary seal and said secondary seal, each said mounting bracket of said plurality of mounting brackets having a mounting plate and a mounting latch extending from said mounting plate.

1 more element

Dependencies are inferred from the claim text.

Dual seal access panel

Life of this patent

Dual seal access panel

Life of this patent

Abstract

Claims18