IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0745473
(2013-01-18)
|
등록번호 |
US-8826491
(2014-09-09)
|
우선권정보 |
DE-10 2010 038 303 (2010-07-22) |
발명자
/ 주소 |
- Peflof, Gabor
- Jeutter, Roland
- Richter, Wolfgang
|
출원인 / 주소 |
- Alfred Kärcher GmbH & Co. KG
|
대리인 / 주소 |
Womble Carlyle Sandridge & Rice, LLP
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
The invention relates to a vacuum cleaning appliance having a moveable stand. A suction device mounted on the stand has a device upper part mounted on the stand and a dirt collection container situated beneath the device upper part. The stand has a lifting device and an actuating element pivotable a
The invention relates to a vacuum cleaning appliance having a moveable stand. A suction device mounted on the stand has a device upper part mounted on the stand and a dirt collection container situated beneath the device upper part. The stand has a lifting device and an actuating element pivotable about a horizontal axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position rests on a floor surface. The actuating element is configured as a push bar having a handle part which, in the raised position of the dirt collection container, may be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container.
대표청구항
▼
1. A vacuum cleaning appliance having a stand which is movable along a floor surface, and a suction device having a device upper part which is mounted on the stand, and a dirt collection container situated beneath the device upper part, the stand having at least one lifting device and an actuating e
1. A vacuum cleaning appliance having a stand which is movable along a floor surface, and a suction device having a device upper part which is mounted on the stand, and a dirt collection container situated beneath the device upper part, the stand having at least one lifting device and an actuating element which is pivotable about a horizontal pivot axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position is situated at a distance from the device upper part and rests on the floor surface, wherein the actuating element is configured as a push bar which is adapted to be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container, wherein the push bar is lockable in the raised position of the dirt collection container,wherein the vacuum cleaning appliance has at least one locking element which is movable back and forth between a locked position, in which the push bar is locked, and a released position in which the push bar is pivotable, andwherein when the dirt collection container is raised, the at least one locking element is automatically movable into its locked position by pivoting the push bar. 2. The vacuum cleaning appliance according to claim 1, wherein in the raised position of the dirt collection container, the push bar is inclined by at most 30° with respect to the horizontal. 3. The vacuum cleaning appliance according to claim 1, wherein in the lowered position of the dirt collection container, the push bar is inclined by at most 30° with respect to the vertical. 4. The vacuum cleaning appliance according to claim 1, wherein the dirt collection container is raisable and lowerable by pivoting the push bar by at most 90°. 5. The vacuum cleaning appliance according to claim 1, wherein the stand has two support columns between which the suction device is situated, and on which in each case a load-bearing part that is coupled to the push bar is mounted in a height-adjustable manner. 6. The vacuum cleaning appliance according to claim 5, wherein the load-bearing parts in each case are displaceably mounted in a guide of a support column. 7. The vacuum cleaning appliance according to claim 5, wherein the load-bearing parts are each coupled to the push bar via a toggle lever. 8. The vacuum cleaning appliance according to claim 7, wherein the toggle levers have a first lever arm which is pivotably mounted on the support column and which by means of an articulated joint is connected to a second lever arm that is articulatedly coupled to a load-bearing part via a connecting rod. 9. The vacuum cleaning appliance according to claim 8, wherein the second lever arm is fixedly connected to the push bar. 10. The vacuum cleaning appliance according to claim 8, wherein the push bar is C- or U-shaped and has two end portions that are connected to one another via a connecting portion which forms a handle part, a second lever arm of a toggle lever in each case adjoining the end portions. 11. The vacuum cleaning appliance according to claim 10, wherein each of the second lever arms is oriented obliquely or perpendicularly with respect to an end portion of the push bar. 12. The vacuum cleaning appliance according to claim 9, wherein the second lever arms are joined to the push bar in one piece. 13. The vacuum cleaning appliance according to claim 1, wherein the push bar is adapted to be acted on by a retention force in the lowered position of the dirt collection container. 14. The vacuum cleaning appliance according to claim 1, wherein the at least one locking element interacts with a spring element which selectively holds the locking element in the locked position or in the released position, depending on the orientation of the locking element relative to the spring element. 15. The vacuum cleaning appliance according to claim 1, wherein the at least one locking element is manually movable into its released position in order to lower the dirt collection container. 16. The vacuum cleaning appliance according to claim 1, wherein the at least one locking element is situated on the push bar. 17. The vacuum cleaning appliance according to claim 16, wherein two movable locking elements are situated on the push bar, each interacting with an arresting member which is fixedly secured to the stand. 18. The vacuum cleaning appliance according to claim 1, wherein the at least one locking element is configured as a detent hook which is pivotably mounted on the push bar, and which in the locked position engages behind a detent pin situated on the stand. 19. The vacuum cleaning appliance according to claim 18, wherein when the push bar is pivoted, the detent hook slides along the detent pin into the position corresponding to the raised position of the dirt collection container, and goes into its locked position. 20. A vacuum cleaning appliance having a stand which is movable along a floor surface, and a suction device having a device upper part which is mounted on the stand, and a dirt collection container situated beneath the device upper part, the stand having at least one lifting device and an actuating element which is pivotable about a horizontal pivot axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position is situated at a distance from the device upper part and rests on the floor surface, wherein the actuating element is configured as a push bar which is adapted to be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container, wherein the stand has two support columns between which the suction device is situated, and on which in each case a load-bearing part that is coupled to the push bar is mounted in a height-adjustable manner,wherein the load-bearing parts in each case are displaceably mounted in a guide of a support column,wherein the load-bearing parts are each coupled to the push bar via a toggle lever, andwherein the toggle levers have a first lever arm which is pivotably mounted on the support column and which by means of an articulated joint is connected to a second lever arm that is articulatedly coupled to a load-bearing part via a connecting rod. 21. A vacuum cleaning appliance having a stand which is movable along a floor surface, and a suction device having a device upper part which is mounted on the stand, and a dirt collection container situated beneath the device upper part, the stand having at least one lifting device and an actuating element which is pivotable about a horizontal pivot axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position is situated at a distance from the device upper part and rests on the floor surface, wherein the actuating element is configured as a push bar which is adapted to be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container, wherein the push bar is adapted to be acted on by a retention force in the lowered position of the dirt collection container. 22. A vacuum cleaning appliance having a stand which is movable along a floor surface, and a suction device having a device upper part which is mounted on the stand, and a dirt collection container situated beneath the device upper part, the stand having at least one lifting device and an actuating element which is pivotable about a horizontal pivot axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position is situated at a distance from the device upper part and rests on the floor surface, wherein the actuating element is configured as a push bar which is adapted to be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container, wherein the push bar is lockable in the raised position of the dirt collection container,wherein the vacuum cleaning appliance has at least one locking element which is movable back and forth between a locked position, in which the push bar is locked, and a released position in which the push bar is pivotable,wherein the at least one locking element is situated on the push bar, andwherein two movable locking elements are situated on the push bar, each interacting with an arresting member which is fixedly secured to the stand. 23. A vacuum cleaning appliance having a stand which is movable along a floor surface, and a suction device having a device upper part which is mounted on the stand, and a dirt collection container situated beneath the device upper part, the stand having at least one lifting device and an actuating element which is pivotable about a horizontal pivot axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position is situated at a distance from the device upper part and rests on the floor surface, wherein the actuating element is configured as a push bar which is adapted to be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container, wherein the push bar is lockable in the raised position of the dirt collection container,wherein the vacuum cleaning appliance has at least one locking element which is movable back and forth between a locked position, in which the push bar is locked, and a released position in which the push bar is pivotable, andwherein the at least one locking element is configured as a detent hook which is pivotably mounted on the push bar, and which in the locked position engages behind a detent pin situated on the stand.
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