Patent ID: 9662698
Date: 2017-05-30
CPC Classifications: B21D

Claim:
1. A tube bender, including: a base, having a pivot portion; a rotatable member, pivoted to the pivot portion, defining an inner space, having a rack portion, a first arched groove and a holding portion, the rack portion archedly extending around the pivot portion and located within the inner space, the first arched groove archedly extending around the pivot portion on an outer circumferential surface of the rotatable member, the holding portion having a holding recess for a tube member to abut thereagainst; an abutting assembly, having an arm portion connected with the base and an abutting chunk assembled to the arm portion; and a gear assembly, including a driving assembly for being driven by a driving tool and a rotating assembly which is pivoted to the base and rotatably connected with the driving assembly, the driving assembly being pivoted to the arm portion and non-coaxially arranged with the rotating assembly, the rotating assembly having a first toothed portion meshed with the rack portion and a driven portion meshed with the driving assembly; wherein the first toothed portion is arranged on an outer circumferential surface of a first gear, and the driven portion is a second gear having a second toothed portion.