Reinforcing bar-binding machine

Details Reinforcing bar-binding machine Reinforcing bar-binding machine

2006-11-28

2006-11-28

Larson, Lowell A. (Department: 3725)

Wireworking

Joining wire

Implements

C140S057000

Reexamination Certificate

active

07140400

ABSTRACT:
A reverse rotational number of a binding wire feed mechanism is set such that a binding wire is completely pulled back regardless of a boldness or flexibility of the binding wire, a diameter of a reinforcing bar or the like. A driven gear14having a V groove of the binding wire feed mechanism is brought into elastic contact with a main drive gear13having a V groove by a spring and the binding wire is fed by pinching the binding wire by the main drive gear13having the V groove and the driven gear14having the V groove. After feeding out the binding wire to form a loop around the reinforcing bar and clamping a front end of the binding wire by a twist mechanism, the binding wire feed mechanism is rotated reversely and the binding wire is pulled back to be wound around the reinforcing bar. After stopping the binding wire, the main drive gear13having the V groove and the driven gear14having the V groove are slipped relative to the binding wire to rotate idly and continue to rotate reversely until a predetermined rotational number.

REFERENCES:
patent: 4362192 (1982-12-01), Furlong et al.
patent: 5431196 (1995-07-01), Forrester et al.
patent: 5947166 (1999-09-01), Doyle et al.
patent: 6615879 (2003-09-01), Kurmis
patent: A-06-48411 (1994-02-01), None
patent: A-08-34406 (1996-02-01), None
patent: A-09-278279 (1997-10-01), None
patent: A-2002-255108 (2002-09-01), None

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