A rebar binding machine comprises a curl guide that causes a wire to curl, a torsion part including a torsion shaft for twisting the curled wire, and a pair of grips that can be grasped by an operator. The grips are provided to the two axial sides of the torsion shaft as viewed from the operator side when the operator grasps the grips to perform an operation, and it is possible to change the height of the grips in the axial direction of the torsion shaft.

A rebar binding machine comprises a curl guide that causes a wire to curl, a torsion part including a torsion shaft for twisting the curled wire, and a pair of grips that can be grasped by an operator. The grips are provided to the two axial sides of the torsion shaft as viewed from the operator side when the operator grasps the grips to perform an operation, and it is possible to change the height of the grips in the axial direction of the torsion shaft.

A reinforcing bar binding machine capable of reliably performing a wire gripping operation includes a first movable gripping member that is displaced in a direction to contact with and separate from one side of a fixed gripping member and a second movable gripping member that is displaced in a direction to contact with and separate from the other side of the fixed gripping member. A bending portion brings the first movable gripping member and the second movable gripping member into and out of contact with the fixed gripping member. The fixed gripping member includes a shaft that rotatably supports the first movable gripping member and the second movable gripping member. Further, the bending portion includes an opening and closing pin that pushes an opening and closing guide hole provided in the first movable gripping member, and an opening and closing guide hole provided in the second movable gripping member.

A reinforcing bar binding machine capable of reliably performing a wire gripping operation includes a first movable gripping member that is displaced in a direction to contact with and separate from one side of a fixed gripping member and a second movable gripping member that is displaced in a direction to contact with and separate from the other side of the fixed gripping member. A bending portion brings the first movable gripping member and the second movable gripping member into and out of contact with the fixed gripping member. The fixed gripping member includes a shaft that rotatably supports the first movable gripping member and the second movable gripping member. Further, the bending portion includes an opening and closing pin that pushes an opening and closing guide hole provided in the first movable gripping member, and an opening and closing guide hole provided in the second movable gripping member.

A binding machine for binding reinforcing bars with a wire, the binding machine including: a wire feeder that feeds a wire; and a binding unit configured to twist the wire. The wire feeder and the binding unit are controlled based on reinforcing bar identification information related to reinforcing bars to be bound with the wire.

A binding machine for binding reinforcing bars with a wire, the binding machine including: a wire feeder that feeds a wire; and a binding unit configured to twist the wire. The wire feeder and the binding unit are controlled based on reinforcing bar identification information related to reinforcing bars to be bound with the wire.

A rebar binding machine comprises a curl guide that causes a wire to curl, a torsion part including a torsion shaft for twisting the curled wire, and a pair of grips that can be grasped by an operator. The grips are provided to the two axial sides of the torsion shaft as viewed from the operator side when the operator grasps the grips to perform an operation, and it is possible to change the height of the grips in the axial direction of the torsion shaft.

A wire locking mechanism (200, 300, 400, 500, 600, 700) for a reinforcement bar, rebar, wire tying device (100), the locking mechanism comprising (200, 300, 400, 500, 600, 700) a holding member (210, 310) and a counter-holding member (220, 320) arranged to engage respective and opposite sides of a wire (230) to releasably hold the wire (230) in a locking position, where a holding force exerted on the wire (230) by the holding member (210, 310) is normal to a holding plane (A2), wherein the holding member (210, 310) is supported on a first end of an excentre arm (240, 340), the excentre arm (240, 340) being rotatably supported on a first shaft (250, 350) to rotate (R1) about an excentre arm center of rotation (255, 355), wherein the holding member (210, 310) is arranged distanced (D) along a first axis (A1) from the excentre arm center of rotation (255, 355), the first axis (A1) forming an acute angle (A) with the holding plane (A2) when in the locking position.

A binding machine includes a wire feeding unit, a binding unit configured to rotate while locking the wire wound around the reinforcing bars, whereby to twist the wire, a curl guide configured to curl the fed wire, a leading guide configured to lead the curled wire to the binding unit, and a contact switch unit configured to be activated with the reinforcing bars abutting against the contact switch unit, in which the contact switch unit includes an abutting portion against which the reinforcing bars abut, and the abutting portion is provided between the curl guide and the leading guide and is provided on at least one side relative to an axis of rotation operation of the binding unit in a direction perpendicular to both a direction in which the curl guide and the leading guide are arranged.

A binding machine includes a wire feeding unit, a binding unit, a curl guide and an inductive guide. The inductive guide has a converging passage through which the wire fed by the wire feeding unit and curled by the curl guide passes, and a cross-sectional area of the converging passage decreases along an entry direction of the wire from an opening end portion that the wire enters. The inductive guide has an entry angle regulation part configured to change an entry angle of the wire entering the converging passage, and the inductive guide is provided on an inner side with respect to a virtual line interconnecting the opening end portion and a narrowest part of the converging passage at which the cross-sectional area is the narrowest.