Vacuum cleaner tank assembly

• US RE39,595 E1
• Filed: 07/15/2003
• Issued: 05/01/2007
• Est. Priority Date: 07/07/1999
• Status: Expired due to Term

• Current Assignee: Shop-Vac Corporation (Hangzhou Great Star Industrial Company Limited)
• Original Assignee: Shop-Vac Corporation (Hangzhou Great Star Industrial Company Limited)
• Inventors: Liu, Li
• Primary Examiner(s): Upton; Christopher
• Application Number:
  US10/619,518
• Time in Patent Office: 1,386 Days
• Field of Search: 553/68, 553/74, 553/78, 554/91, 55D/IG.2, 55D/IG.3, 153/47, 153/52
• US Class Current: 55/368
• CPC Class Codes: A47L 9/1427 Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
• CPC Class Codes: Y10S 55/02 Vacuum cleaner bags
• CPC Class Codes: Y10S 55/03 Vacuum cleaner

Abstract

A vacuum cleaner filter bag retainer includes slots on each side which receive a cardboard plate attached to a filter bag. The plate is slid into the slots of the filter bag retainer such that openings in the plate and bag match with an opening in the filter bag retainer. The retainer is attached to a tank through an opening in the tank, and an inlet fitting extends from outside the tank, through the retainer, and into the bag. The inlet fitting, therefore, prevents the bag from sliding out of the slots in the retainer. A swivel fitting loosely traps the inlet fitting adjacent the filter bag retainer through threads on the swivel fitting and the retainer. The inlet fitting also holds a hose to the inlet fitting.

Claims

1. A vacuum cleaner assembly for attaching a filter bag to a receptacle, the receptacle including an inlet, the assembly comprising:

a filter bag retainer;

a first fitting extending from outside the receptacle through the inlet, through the filter bag retainer, and into the filter bag; and

,

a second fitting engaging the filter bag retainer to trap the first fitting adjacent to the filter bag retainer.

2. The vacuum cleaner assembly defined in claim 1, wherein the filter bag retainer comprises first and second slots for receiving a plate on the filter bag.

3. The vacuum cleaner assembly defined in claim 1, wherein the filter bag retainer further comprises a threaded cylinder forming a retainer aperture, wherein the threaded cylinder is inserted through the inlet.

4. The vacuum cleaner assembly defined in claim 1, wherein the filter bag retainer comprises a first threaded aperture, and the second fitting comprises a second threaded aperture, the first threaded aperture is adapted to pass through the inlet and couple to the second threaded aperture.

5. The vacuum cleaner assembly defined in claim 1, wherein the second fitting is further adapted to hold a hose adjacent to the inlet fitting.

6. The vacuum cleaner assembly defined in claim 1, wherein

the first fitting comprises a first ridged member and a second ridged member;

the filter bag retainer comprises a threaded cylinder and a first abutment;

the second fitting comprises a threaded inner surface and a second abutment; and

the assembly is adapted to loosely trap the first ridged member against the first abutment and to loosely trap the second ridged member against the second abutment as the threaded inner surface is tightened on to the threaded cylinder.

7. The vacuum cleaner assembly defined in claim 1, further comprising a hose, wherein the hose comprises a grooved aperture, the first fitting comprises a ridged member, and the grooved aperture couples to the ridged member.

8. The vacuum cleaner assembly defined in claim 1, wherein the receptacle comprises a tank.

11. The vacuum cleaner assembly defined in claim 1, wherein the first fitting, comprises a first ridged member, the filter bag retainer comprises a threaded cylinder and a first abutment, the second fitting comprises a threaded inner surface and a second abutment, and the assembly is adapted to loosely trap the first ridged member between the first abutment and the second abutment as the threaded inner surface is tightened on to the threaded cylinder.

9. A vacuum cleaner assembly comprising:

a receptacle including an inlet;

a filter bag including a filter bag aperture;

a plate connected to the filter bag, wherein the plate includes a plate aperture;

a filter bag retainer including first and second retainer slots, a threaded cylinder, and a cylinder abutment, wherein the plate slides into the retainer slots and the threaded cylinder is inserted into the tank aperture;

a first fitting including a ridged end, a non-ridged end, a first ridged member, and a second ridged member, wherein the non-ridged end is inserted through the inlet, the filter bag aperture, and the plate aperture; and

a second fitting including a threaded inner surface and a fitting abutment, wherein the threaded inner surface engages the threaded cylinder thereby trapping the first ridged member adjacent the cylinder abutment and trapping the second ridged member adjacent the fitting abutment.

10. The vacuum cleaner defined in claim 9, further comprising a hose including outer ribs and inner ribs, wherein the inner ribs engage the ridged end of the first fitting.