Portable vacuum cleaning apparatus

• US 6,647,586 B2
• Filed: 12/07/2001
• Issued: 11/18/2003
• Est. Priority Date: 02/05/2001
• Status: Expired due to Fees

• Current Assignee: Alma L. Rogers, Dietrich Hoecht
• Original Assignee: Alma L. Rogers, Dietrich Hoecht
• Inventors: Hoecht, Dietrich, Rogers, Alma L.
• Primary Examiner(s): Snider, Theresa T.
• Application Number:
  US10/012,747
• Publication Number:
  US 20020104184A1
• Time in Patent Office: 711 Days
• Field of Search: 153/275, 153/30, 153/44, 153/23
• US Class Current: 15/327.5
• CPC Class Codes: A47L 5/36 Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
• CPC Class Codes: A47L 9/244 for telescopic or extensible hoses or pipes

Abstract

A portable vacuum cleaning apparatus intended to be carried either on a single shoulder or worn backpack style, wherein the vacuum cleaner has an extensible tube and nozzle arrangement that may be held substantially fully enclosed in the vacuum cleaner case, wherein the hose or wand may be collapsed when not in use to prevent entanglement, or may be incrementally extended and secured in a desired position for use. Additional advantages of the present invention include a suspension arrangement for flexibly suspending the internal components of the vacuum and for providing a moment to counteract the force and movement of the wand.

Claims

1. A portable vacuum cleaning apparatus, comprising:

(a.) a power source;

(b.) a motor electrically interconnected with said power source;

(c.) a fan having an intake port and an exhaust port, said fan electrically interconnected with and driven by said motor;

(d.) a debris receptacle in fluid communication with said exhaust port of said fan;

(e.) an extensible wand;

(f.) a housing, wherein said power source, said motor, said fan, said debris receptacle, and said extensible wand, when said extensible wand is in a retracted position, are carried substantially within said housing; and

,

(g.) means for flexibly suspending said motor, said fan, said power source, said debris receptacle, and said wand within said housing.

2. The portable vacuum cleaning apparatus of claim 1, further comprising means for carrying said housing.

3. The portable vacuum cleaning apparatus of claim 2, wherein said carrying means comprises a strap.

4. The portable vacuum cleaning apparatus of claim 1, wherein said extensible wand further comprises a plurality of telescoping sections.

5. The portable vacuum cleaning apparatus of claim 4, wherein each of said plurality of telescoping sections may be rotated and selectively locked in any of a plurality of extended and rotated positions by interlocking means.

6. The portable vacuum cleaning apparatus of claim 5, wherein said interlocking means comprises a fitting, said fitting comprising a coil member, a coil button, a guidance slot, and a guidance button confined within a locking sleeve.

7. The portable vacuum cleaning apparatus of claim 1, wherein said extensible wand is adapted to be extended from a wand container.

8. The portable vacuum cleaning apparatus of claim 1, wherein said flexible suspension means further comprises a leaf spring.

9. The portable vacuum cleaning apparatus of claim 8, wherein said leaf spring further comprises an opening through which a wand container may extend.

10. The portable vacuum cleaning apparatus of claim 8, wherein said leaf spring provides a moment to counterbalance the weight of said wand when said wand is extended beyond said housing.

11. The portable vacuum cleaning apparatus of claim 8, wherein a center of gravity is established below and in vertical alignment with said leaf spring, when said wand is in an extended and upwardly oriented position, and wherein the center of gravity rotates rearwardly when said wand is brought into an extended and horizontally oriented position.

12. A portable vacuum cleaning apparatus, comprising:

(a.) a power source;

(b.) a motor electrically interconnected with said power source;

(c.) a fan having an intake port and an exhaust port, said fan electrically interconnected with and driven by said motor;

(d.) a debris receptacle in fluid communication with said exhaust port of said fan;

(e.) a telescoping wand;

(f.) a housing, wherein said power source, said motor, said fan, said debris receptacle, and said telescoping wand, when said telescoping wand is in a retracted position, are carried substantially within said housing; and

,

(g.) a leaf spring for flexibly suspending said motor, said fan, said power source, said debris receptacle, and said wand within said housing, said leaf spring adapted to provide at least a partial counterbalancing moment against a moment exerted by said wand when said wand is at least partially extended.

13. The portable vacuum cleaning apparatus of claim 12, further comprising a strap for carrying said housing.

14. The portable vacuum cleaning apparatus of claim 12, wherein said telescoping wand comprises a plurality of telescoping sections, and wherein each of said plurality of telescoping sections may be rotated and selectively locked in any of a plurality of extended and rotated positions by interlocking means.

15. The portable vacuum cleaning apparatus of claim 14, wherein said interlocking means comprises a fitting, said fitting comprising a coil member, a coil button, a guidance slot, and a guidance button confined within a locking sleeve.

16. The portable vacuum cleaning apparatus of claim 12, wherein said extensible wand is adapted to be extended from a wand container.

17. The portable vacuum cleaning apparatus of claim 12, wherein said leaf spring further comprises an opening through which a wand container may extend.

18. The portable vacuum cleaning apparatus of claim 12, wherein a center of gravity is established below and in vertical alignment with said leaf spring, when said wand is in an extended and upwardly oriented position, and wherein the center of gravity rotates rearwardly when said wand is brought into an extended and horizontally oriented position.

19. A portable vacuum cleaning apparatus, comprising:

(a.) a power source;

(b.) a motor electrically interconnected with said power source;

(c.) a fan having an intake port and an exhaust port, said fan electrically interconnected with and driven by said motor;

(d.) a debris receptacle in fluid communication with said exhaust port of said fan;

(e.) a telescoping wand, said telescoping wand comprising a plurality of telescoping sections, said plurality of sections being independently rotatable and selectively locked in any of a plurality of extended and rotated positions by a fitting, said fitting comprising a coil member, a coil button, a guidance slot, and a guidance button confined within a locking sleeve;

(f.) a housing, wherein said power source, said motor, said fan, said debris receptacle, and said telescoping wand, when said telescoping wand is in a retracted position, are carried substantially within said housing;

(g.) a strap for carrying said housing; and

,

(h.) a leaf spring for flexibly suspending said motor, said fan, said power source, said debris receptacle, and said wand within said housing, said leaf spring adapted to provide at least a partial counterbalancing moment against a moment exerted by said wand when said wand is at least partially extended.

20. The portable vacuum cleaning apparatus of claim 19, wherein a center of gravity is established below and in vertical alignment with said leaf spring, when said wand is in an extended and upwardly oriented position, and wherein the center of gravity rotates rearwardly when said wand is brought into an extended and horizontally oriented position.