US 11,732,489 B2
Rebar tying machine
Yuta Asakura, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Jun. 11, 2021, as Appl. No. 17/345,622.
Claims priority of application No. 2020-112802 (JP), filed on Jun. 30, 2020.
Prior Publication US 2021/0404196 A1, Dec. 30, 2021
Int. Cl. B21D 15/02 (2006.01); E04G 21/12 (2006.01)
CPC E04G 21/123 (2013.01) 8 Claims
OG exemplary drawing
 
1. A rebar tying machine comprising:
a feeding mechanism comprising a feeding motor and configured to feed a wire around rebars and pull back the wire;
a grasping mechanism comprising a grasping member configured to grasp a distal end portion of the wire after the wire is wound around the rebars;
a cutting mechanism comprising a cutter configured to cut the wire after the wire is grasped by the grasping mechanism;
a twisting mechanism comprising a twisting motor and configured to twist the wire after the wire is cut by the cutting mechanism; and
a control unit configured to control the feeding mechanism, the grasping mechanism, the cutting mechanism, and the twisting mechanism to perform, when instructed by a user to operate in a first manner, a winding-cutting process at least twice before performance of a twisting process;
wherein the winding-cutting process includes feeding the wire, around the rebars by the feeding mechanism, grasping the distal end portion of the wire the grasping mechanism, pulling the wire back by the feeding mechanism, and cutting the wire by the cutting mechanism;
wherein the twisting process includes twisting the wire by the twisting mechanism.