Patent · US Expired

Device for twisting wires for connecting rods

US4947902A · kind A · utility

9Cited by

3References

13Claims

0Family size

Assignee

Styner & Bienz AG · CH

Inventors

Peter Lehmann · Oebisfelde, DE
Heinrich Glaus · Köniz, CH

Key dates

Filing date	May 22, 1989
Grant date	Aug 14, 1990
Priority date	—
Expiry date	May 22, 2009

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04G21/123
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The device for twisting wires has a twisted rod with a binding hook, which is set into rotation upon pulling a handle part. The binding hook is pivotable around an axle and is held in the normal position by a stop slider engaging in recesses of the binding hook. When the wire loop around the binding hook is tightened, a catch is lifted up, whereby the stop slider and thus the binding hook are unlocked and pivoted, so that it can slip from the wire loop. Such a device enables a constant, optimum twisting of the wire without the risk of rupture thereof, and it permits automatic release of the binding hook by one and the same pulling movement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.