Safety device in reinforcing bars binding machine

Details Safety device in reinforcing bars binding machine Safety device in reinforcing bars binding machine

1995-10-17

1997-08-19

Larson, Lowell A.

Wireworking

Joining wire

Implements

140 57, B21F 1504

Patent

active

056577990

ABSTRACT:
A safety device for a reinforcing bars binding machine which includes a wire feed device for feeding out a wire used to bind reinforcing bars together, a guide arm for guiding the fed-out wire such that the wire is wound around the intersecting portions of the reinforcing bars in a loop manner, a twisting device for holding part of the loop-wound portion of the wire and for twisting and rotating the same to thereby tighten the wire, and a cutting device for cutting off the loop-wound portion of the wire from the portion of the wire existing on the wire feed device side, wherein the guide arm is movable in the wire feeding direction, and wherein the safety device comprises: a spring normally energizing the guide arm in the opposite direction to the wire feeding direction; and detector for detecting that the guide arm is moved in the wire feeding direction against the energization force of the spring, wherein the wire feeding device is operated in accordance with the detection of the movement of the guide arm by the detector.

REFERENCES:
patent: 4685493 (1987-08-01), Yuguchi

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