Automatic device for installing self-locking straps

Wireworking – Implements – Stretchers

Patent

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Details

140 932, B21F 902

Patent

active

042023840

ABSTRACT:
The invention relates to an automatic device for installing self-locking binder straps, said device comprising: two handles assembled so as to allow rotation relative to each other; a moving component carried by one of said handles and gripping the end of the strap in such a way that the relative movement of the handles tightens the strap; a cutter blade carried by one of said handles and operating when the strap is tightened to a predetermined extent. According to the invention the moving component which slides on a first handle has a cam portion in contact with the adjacent edge of the second handle so that moving said handles towards each other moves said moving component in translation in opposition to resilient return bias and the second handle has an actuating component for the cutter blade which is fixed to the first handle, said actuating component operating automatically when said moving component has reached a position which corresponds to the predetermined tightening of the collar due simply to the second handle bearing on the cam portion of said moving component. Application to installing binder straps when binding or performing similar operations on work sites.

REFERENCES:
patent: 3169560 (1965-02-01), Caveney et al.
patent: 3610296 (1970-10-01), Kabel
patent: 3735784 (1973-05-01), Obuch, et al.
patent: 3931838 (1976-01-01), Bakermans
patent: 4129157 (1978-12-01), Sciolotto

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