Vacuum-cleaner suction tube

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.

1 - 11 . (canceled) 
     
     
         12 . A vacuum cleaner suction tube, comprising:
 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 arranged 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,   wherein the inner tube has a plurality of snap-in depressions,   wherein the actuating mechanism passes through the outer tube recess and comprises a base plate having at least one snap-in recess and at least one locking device,   wherein the locking device is movable from a locking position into at least one unlocking position,   wherein the locking device passes through the end sleeve recess in the locking position in a direction toward the inner tube,   wherein the locking device is in engagement with at least one snap-in recess on the inner tube in the locking position,   wherein, in the unlocking position, a shifting of the inner tube relative to the outer tube is enabled by the locking device,   wherein an axial movement of the end sleeve relative to the outer tube is blocked by the actuating mechanism and wherein an inwardly directed radial movement of the actuating mechanism relative to the outer tube is blocked by the inner tube.   
     
     
         13 . The vacuum cleaner suction tube according to  claim 12 , wherein an outwardly directed radial movement of the actuating mechanism relative to the outer tube is blocked by the outer tube. 
     
     
         14 . The vacuum cleaner suction tube according to  claim 12 , wherein the end sleeve recess has approximately the same size as the base plate, so that the base plate engages positively in the end sleeve recess. 
     
     
         15 . The vacuum cleaner suction tube according to  claim 12 , wherein the actuating mechanism has a friction connection to the end sleeve so that axial movement of the end sleeve relative to the outer tube is blocked. 
     
     
         16 . The vacuum cleaner suction tube according to  claim 12 , wherein the end sleeve has an insertion end and an outer end and that the insertion end is conical in at least one region. 
     
     
         17 . The vacuum cleaner suction tube according to  claim 16 , wherein at least one stop is provided at the outer end. 
     
     
         18 . The vacuum cleaner suction tube according to  claim 17 , wherein the stop is formed by an enlargement of the outer diameter (D) of the end sleeve. 
     
     
         19 . The vacuum cleaner suction tube according to  claim 12 , wherein the outer tube has exactly one outer tube recess. 
     
     
         20 . The vacuum cleaner suction tube according to  claim 12 , wherein the inner tube comprises at least one longitudinal groove and that at least one tongue corresponding to the longitudinal groove is formed on the end sleeve so that the inner tube is guided by the end sleeve in the outer tube. 
     
     
         21 . The vacuum cleaner suction tube according to a  claim 12 , wherein the inner tube comprises at least one longitudinal groove and wherein at least one tongue corresponding to the longitudinal groove is formed on the outer tube so that the inner tube is guided in the outer tube. 
     
     
         22 . A method for manufacturing a vacuum cleaner suction tube having at least one inner tube, at least one outer tube, at least one actuating mechanism and at least one end sleeve, wherein the end sleeve has at least one end sleeve recess, wherein the outer tube has at least one outer tube recess, wherein the inner tube has a plurality of snap-in depressions, and wherein the actuating mechanism has a base plate having at least one snap-in recess, 
       comprising the steps of:
 guiding the actuating mechanism from inside of the outer tube through the outer tube recess, 
 inserting the end sleeve into the outer tube and blocking axial movement of the end sleeve by the actuating mechanism and 
 inserting the inner tube into the end sleeve and blocking radial movement of the actuating mechanism by the inner tube.