Patent ID: 11858015
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC B  E | IPC B  E

Claim 2:
3. The auto-feed pipe cleaner as claimed in claim 2, wherein the telescopic tube comprises a first half tube and a second half tube assembled with the first half tube, a first inner space is provided in the first half tube and a second inner space is provided in the second half tube, a first accommodating portion is extended upward from the first half tube and a second accommodating portion is extended upward from the second half tube, and an inside of the first accommodating portion and an inside of the second accommodating portion, the first inner space and the second inner space are provided for disposal of the feeder and the tube handle, the first half tube is provided with a first holding part and the second half tube is provided with a second holding part, and the first holding part and the second holding part are adjacent to one end of the wire drum, the first holding part includes a first half sleeve hole and the second holding part includes a second half sleeve hole, and the first half sleeve hole and the second half sleeve hole are assembled to provide a sleeve hole for disposal of one end of the tube handle, a first semicircular hole is provided at one end of the first half tube opposite to the first half sleeve hole, and a second semicircular hole is provided at one end of the second half tube opposite to the second half sleeve hole, the first semicircular hole and the second semicircular hole are assembled as a round hole for the spring wire to protrude or take up, wherein the groove portion of the telescopic tube is divided into a first groove at an inner top of the first accommodating portion and a second groove at inner top of the second accommodating portion to provide a folded end of the elastic plate for embedding therein, and a protruding part and a recessed part are provided at an joining position of the first half tube and the second half tube, inner peripheries of the first half tube and the second half tube are respectively provided with a plurality of locking parts for a plurality of screws to be screwed and inserted to combine and fix the first half tube with the second half tube.