Removable access panels for rooftop unit

Details Removable access panels for rooftop unit Removable access panels for rooftop unit

1991-03-29

1993-02-16

Brown, Peter R.

Supports: cabinet structure

Outdoor type

3122656, 312296, A47B 4700, F25D 1900

Patent

active

051865289

ABSTRACT:
The present invention is an access panel for a roof top air conditioning unit. The access panel edges interfit with edges of the air conditioner cabinet to form a tortuous path for entry into the cabinet interior. The tortuous path inhibits air, water, and moisture penetration. Also, insulating material is trapped between the interfitting edges to further block the penetration and insulate the cabinet interior. At the top edge, a lip extends downwardly to provide a positive stop to keep the removable access panel from laterally falling.

REFERENCES:
patent: 1157158 (1915-10-01), Harry
patent: 3254705 (1966-06-01), Worthen et al.
patent: 4118083 (1978-10-01), Lackey et al.
patent: 4415023 (1983-11-01), Vandervaart
patent: 4442890 (1984-04-01), Vandervaart
patent: 4747505 (1988-05-01), Hansen

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