×

Filter assembly of an air filter

  • US 6,319,300 B1
  • Filed: 07/12/2000
  • Issued: 11/20/2001
  • Est. Priority Date: 07/12/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A filter assembly of an air filter comprising:

  • a fixed frame including two horizontal lintels and two vertical jambs;

    outer edges of said horizontal lintels and said vertical jambs being furnished with an outer ring edge;

    corner ends between said horizontal lintel and said vertical jamb furnished with plugging grooves respectively for receiving a connection plate;

    flat plates on outer ring edges of said horizontal lintel and said vertical jamb extended inwards with arm plates and clamp plates respectively;

    lower flat plate of said outer ring edge extended with a vertical plate, an inner plate and a clamp plate;

    a given distance being left between said two clamp plates for receiving end part of said filter sheet so as to clamp the same in place;

    tail ends of said two clamp plates of said horizontal lintel furnished with a plurality of alternate and opposite corrugated positioning groves for holding two ends of said corrugated filter sheet respectively;

    a said filter sheet for screening dust, and top and bottom surfaces of said filter sheet covered with a metal screen, and being cut into a suitable length and width, and being bent into a corrugated sheet;

    both ends of said corrugated sheet to be mounted in said positioning grooves of said clamp plates in said horizontal lintel, while two sides thereof being mounted in a clamp space of said vertical jambs respectively;

    a said connection plate, of which both ends being plugged into hollow grooves of two adjacent said horizontal lintel and vertical jamb so as to have said two parts connected together;

    a resilient cover which being attached on top and bottom surfaces of said outer ring edge of said fixed frame.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×