Vacuum-cleaner suction tube

Inactive Publication Date: 2019-06-06
FISCHER ROHRTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The vacuum cleaner suction tube described in this patent has several technical effects. Firstly, it prevents the need for separate openings on the outer tube to fix the individual components, increasing the sealing ability of the tube. Secondly, it ensures that the actuating mechanism and the end sleeve are securely fixed in position, preventing any movement in the axial direction. Thirdly, it allows for the easy installation of the end sleeve without compromising its effectiveness. Fourthly, it provides a more secure locking mechanism for the end sleeve, preventing it from being easily removed. Finally, it allows for the use of elongated crosspieces as spacers between the outer tube and the end sleeve, allowing for independent selection of the material thickness of the base plate or the actuating mechanism.

Problems solved by technology

It is therefore not possible to push or pull the actuating mechanism out of the outer tube in the radial direction.
However, with increasing material thickness, the installation effort of the vacuum cleaner suction tube increases, since the end sleeve must be guided past the base plate during insertion before the base plate can engage into the end sleeve recess.

Method used

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Examples

Experimental program
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Embodiment Construction

[0028]FIG. 1 shows a schematic representation of an embodiment of a vacuum cleaner suction tube 1. The vacuum cleaner suction tube 1 has an inner tube 2, an outer tube 3, an actuating mechanism 4 and an end sleeve 5. An end sleeve recess 6 is formed in the end sleeve 5 and an outer tube recess 7 is formed in the outer tube 3. The inner tube 2 has snap-in depressions 8 which allow the actuating mechanism 4 to engage in the snap-in depressions 8 by means of a locking device in order to block the relative displacement of inner tube 2 and outer tube 3 to one another. The actuating mechanism 4 has a base plate 10 with two snap-in recesses 9 (not shown in FIG. 1) located inside the outer tube 3, wherein the remainder of the actuating mechanism 4 passes through the outer tube recess 7. The end sleeve 5 is inserted with its insertion end 11 into the outer tube 3 in such a manner that only its outer end 12 emerges from the outer tube 3. To prevent the end sleeve 5 from being inserted too far...

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Abstract

A method for manufacturing vacuum cleaner suction tube with at least one inner tube, at least one outer tube, at least one actuating mechanism and at least one end sleeve inserted into the outer tube, wherein the end sleeve is disposed between the inner tube and the outer tube, wherein the end sleeve has at least one end sleeve recess, wherein the outer tube has at least one outer tube recess, and wherein the inner tube has a plurality of snap-in depressions. The vacuum cleaner suction tube produced provides a reliable and leak-free connection to an attachment element when using any type of plastic for the attachment element is achieved by the axial movement of the end sleeve relative to the outer tube being blocked by the actuating mechanism and inwardly directed radial movement of the actuating mechanism relative to the outer tube is blocked by the inner tube.

Description

BACKGROUND OF THE INVENTIONField of the Invention[0001]The present invention concerns a vacuum cleaner suction tube with at least one inner tube, with at least one outer tube, with at least one actuating mechanism and with at least one end sleeve inserted into the outer tube. The end sleeve is located between the inner tube and the outer tube and has at least one end sleeve recess. The outer tube has at least one outer tube recess and the inner tube has a plurality of snap-in depressions. The actuating mechanism passes through the outer tube recess, wherein the actuating mechanism comprises a base plate having at least one snap-in recess, wherein the actuating mechanism comprises at least one locking device, wherein the locking device is movable from a locking position into at least one unlocking position. In the locking position, the locking device passes through the end sleeve recess in the direction of the inner tube, wherein the locking device is engaged with at least one snap-i...

Claims

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Application Information

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IPC IPC(8): A47L9/24
CPCA47L9/244
InventorCORDES, MARTINCORDES, STEPHAN
OwnerFISCHER ROHRTECHN