US 12,454,837 B2
Rebar tying tool and reel
Yoshitaka Machida, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Nov. 15, 2022, as Appl. No. 17/987,313.
Claims priority of application No. 2021-188815 (JP), filed on Nov. 19, 2021.
Prior Publication US 2023/0160223 A1, May 25, 2023
Int. Cl. E04G 21/12 (2006.01)
CPC E04G 21/123 (2013.01) 19 Claims
OG exemplary drawing
 
1. A rebar tying tool comprising:
a reel attaching part to which a reel is rotatably attached, wherein the reel comprises a bobbin including a detection target portion and a wire wound around the bobbin;
a feeding unit configured to feed the wire from the bobbin around rebars;
a twisting unit configured to twist the wire around the rebars;
a plurality of detectors configured to detect the detection target portion; and
a support supporting the reel attaching part, the feeding unit, the twisting unit, and the plurality of detectors,
wherein
the plurality of detectors is disposed along a rotation direction of the reel and configured to detect the detection target portion as the reel rotates,
the rebar tying tool further comprises a movable member movably supported by the support,
the detection target portion comprises a projection,
the movable member is at an initial position when the reel is not attached to the reel attaching part,
the projection is configured to push the movable member toward an attaching position when the reel is attached to the reel attaching part, and
each of the plurality of detectors is configured to detect the detection target portion by detecting the movable member at the attaching position.