TELESCOPIC SUCKING PIPE FOR VACUUM-CLEANER Russian patent published in 2005 - IPC

FIELD: domestic washing or cleaning.

SUBSTANCE: telescopic sucking pipe comprises outer pipe, inner pipe with the locking plank that is arranged in the axial direction, at least one locking member that can move with respect to the locking plank and enter the recesses alternately for locking, and guiding insert for the inner pipe made of at least of a part of the bushing. At least a part of the guide enters the outer pipe. The guiding insert is provided with the locking member that projects radially outside and has locking planes and guiding planes for locking counter-planes and guiding counter-planes of the control handle. The locking counter-planes are secured to the locking planes of the locking member. The control handle is made for permitting movement along the guiding planes of the locking member for locking or unlocking the locking member by means of the locator. The guiding counter-planes of the control handle can move parallel to the outer surface of the outer pipe along the guiding planes of the locking member secured to the guiding insert. The guiding planes of the locking member and locking planes of the locking member are the same. The guiding counter-planes of the control handle and locking counter-planes of the control handle are the same. The locking counter-planes engage the locking planes of the locking member. The locator defines the unmovable locator and is secured to the control handle and directly co-operates with the locking member.

EFFECT: simplified structure.

21 cl, 11 dwg