Plastic air filter housing assembly for use in air conditioners and heating systems

Claim 1

An air filter housing assembly containing an air filter for use in conjunction with air conditioning and heating system which comprises: first and second plastic longitudinal base members including a pair of longitudinal upper and lower edges, a back, and a pair of shelves extended from said back, respectively, a pair of plastic transverse base members including a pair of vertical slots and round shape slots extended from said vertical slots for tightly receiving both ends of the longitudinal base members, said pair of plastic transverse base members further including a plurality of grooves, respectively, a plurality of plastic transverse frames including a pivotal round shape connecting member disposed at one end thereof for slidably engaging with said first longitudinal upper end lower edges, a hook type locking member disposed at the other end thereof for slidably engaging with and separating from said second longitudinal upper and lower edges, and a downward pushing rod portion for pushing the air filter so as to retain the air filter in the air filter assembly, and a plurality of longitudinal frames to be cross located to said transverse frames pivotably attached to said upper edge, said plurality of longitudinal frames including an engaging portion disposed at the lower portion thereof for tightly engaging in said grooves of the transverse base member, respectively, whereby the air filter housing assembly can be easily assembled and disassembled and the air filter can be easily inserted into and removed from the air filter housing assembly.