Telescopic wand for a vacuum cleaner

Abstract

A telescopic wand for a vacuum cleaner includes an inner tube, an outer tube, and a catch assembly. The catch assembly includes a catch and a leaf spring. The catch pivotally mounts to the outer tube and includes a button and a locking stub. The leaf spring extends between the catch and the outer tube and exerts a biasing force on the catch. The catch pivots between lock and unlock positions. The catch is biased by the force to the lock position, and depressing the button causes the catch to pivot to the unlock position. The locking stub engages the inner tube when the catch is in the lock position to prevent movement of the inner tube relative to the outer tube. The locking stub disengages the inner tube when the catch is in the unlock position to permit movement of the inner tube relative to the outer tube.

1 . A telescopic wand for a vacuum cleaner, the wand comprising an inner tube, an outer tube, and a catch assembly, wherein:
 the catch assembly comprises a catch and a leaf spring;   the catch is pivotally mounted to the outer tube and comprises a button and a locking stub;   the leaf spring extends between the catch and the outer tube and exerts a biasing force on the catch;   the catch pivots between a lock position and an unlock position, the catch is biased by the biasing force to the lock position, and depressing the button causes the catch to pivot to the unlock position; and   the locking stub engages the inner tube when the catch is in the lock position such that movement of the inner tube relative to the outer tube is prevented, and the locking stub disengages the inner tube when the catch is in the unlock position such that movement of the inner tube relative to the outer tube is permitted.   
     
     
         2 . The telescopic wand of  claim 1 , wherein the biasing force acts in a downward direction. 
     
     
         3 . The telescopic wand of  claim 1 , wherein the leaf spring passes beneath the button. 
     
     
         4 . The telescopic wand of  claim 1 , wherein the leaf spring is secured at one end to the underside of the catch and at an opposite end to the inside of the outer tube. 
     
     
         5 . The telescopic wand of  claim 1 , wherein the catch is flush with the outer tube when in the lock position. 
     
     
         6 . The telescopic wand of  claim 1 , wherein the catch does not contact the inner tube when in the unlock position.