Upright type vacuum cleaner

• US 6,782,584 B2
• Filed: 05/03/2002
• Issued: 08/31/2004
• Est. Priority Date: 02/06/2002
• Status: Expired due to Term

• Current Assignee: Samsung Gwangju Electronics Co., Ltd. (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Gwangju Electronics Co., Ltd. (Samsung Electronics Co. Ltd.)
• Inventors: Choi, Min-Jo
• Primary Examiner(s): Till, Terrence R.
• Application Number:
  US10/139,016
• Publication Number:
  US 20030145421A1
• Time in Patent Office: 851 Days
• Field of Search: 153/50, 153/51, 153/52, 153/53, 553/37, 554/29, 554/591, 554/86, 55D/IG.3
• US Class Current: 15/352
• CPC Class Codes: A47L 9/1691 Mounting or coupling means for cyclonic chamber or dust receptacles
• CPC Class Codes: Y10S 55/03 Vacuum cleaner

Abstract

An upright type vacuum cleaner has a cleaner body having a vacuum generating apparatus disposed therein and a suction brush disposed at a lowerportion; a cyclone unit for separating contaminants from contaminant-laden air and discharging a contaminant-free air through an outflow passage interconnected with the vacuum generating apparatus, the contaminant-laden air being drawn in through an inflow passage interconnected with the suction brush; a dust receptacle removably connected to an underside of the cyclone unit for collecting the contaminants separated by the cyclone unit; a longitudinally movable locking unit for connecting to and separating the dust receptacle from a lower portion of the cyclone unit by longitudinally moving the dust receptacle upward and downward; and a means for preventing an incorrect connection of the dust receptacle to the lower side of the cyclone unit.

Claims

1. An upright type vacuum cleaner, comprising:

a cleaner body having a vacuum generating apparatus disposed therein and a suction brush disposed at a lower portion thereof;

a cyclone unit for separating contaminants from contaminant-laden air being drawn into the cleaner body and discharging a contaminant-free air through an outflow passage interconnected with the vacuum generating apparatus, the contaminant-laden air being drawn in through an inflow passage interconnected with the suction brush;

a dust receptacle removably connected to an underside of the cyclone unit, for collecting the contaminants separated from the air by the cyclone unit;

a locking unit which is longitudinally movable for connecting to and separating the dust receptacle from a lower portion of the cyclone unit by releasably moving the dust receptacle upward and downward; and

a means for preventing an incorrect connection of the dust receptacle to the underside of the cyclone unit.

2. The upright type vacuum cleaner of claim 1, wherein the incorrect connection preventing means comprises:

a position guiding pin protruding from a predetermined location of a lower portion of the dust receptacle; and

a guide slit formed at a predetermined position of the locking unit for either interrupting the pivoting of the locking unit, or for guiding the dust receptacle being transposed from a pre-mounting state to separated condition from the cyclone unit, depending on the position of the dust receptacle pre-mounted in the cyclone unit.

3. The upright type vacuum cleaner of claim 1, wherein the locking unit further comprises:

an operation lever pivotally mounted on the cleaner body; and

a locking disc moved upward or downward according to the pivoting direction of the operation lever to move the dust receptacle upwardly to engage the cyclone unit or downwardly to disengage from the cyclone unit.

4. The upright type vacuum cleaner of claim 3, wherein the incorrect connection preventing means comprises:

a position guiding pin protruding from a predetermined location of the lower side of the dust receptacle; and

a guide slit formed in the operation lever, for providing an interrupting function of the pivoting of the operation lever, or for guiding the dust receptacle being transposed from a pre-mounting state to separate from the cyclone unit, according to the position of the dust receptacle pre-mounted in the cyclone unit.

5. The upright type vacuum cleaner of claim 4, wherein the guide slit further comprises:

a first guide slit formed in an upper surface of the operation lever having a predetermined width, such that the guide pin is passed through the first guide slit during pivoting of the operation lever when the dust receptacle is in a normal position;

a second guide slit extending from the first guide slit and crossing the direction of pivoting of the operation lever for guiding the guide pin to separate the dust receptacle from the cyclone unit when the dust receptacle is incorrectly mounted; and

an interruption groove formed between the first and second guide slits, for interrupting the guide pin during the pivoting of the operation lever to thereby interrupt the pivoting, when the dust receptacle is in an abnormal position.