Apparatus for the working of wire pieces and the use of such app

Details Apparatus for the working of wire pieces and the use of such app Apparatus for the working of wire pieces and the use of such app

1990-06-28

1992-07-07

Larson, Lowell A.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72408, 74567, 470125, B21D 4102, B21F 500, B21G 312

Patent

active

051272520

ABSTRACT:
Apparatus for clamping and working wire pieces has two separate rotary shafts (16) of the clamping levers (18 and 20), arranged symmetrically and with the axis of intake of the wire (82) and the direction of upsetting or hammering at right angles to the axes of rotation of the levers and to the axis of the cam shaft (34), the said direction (82) intersecting the said shaft (34) and passing centrally between the two rotary shafts (16), and on the other hand in directly controlling the clamping levers (18 and 20) by frictional connection rising one or more than one cam (32) on the cam shaft (34) and one cam roller (30) for each cam, the said roller (30) being situated on the lever arm (26 or 38) remote from the tools, the frictional connection being provided by a frictional connection maintaining device (54) which keeps the roller (30) in contact with the cam (32).

REFERENCES:
patent: 333863 (1886-01-01), Kimball et al.
patent: 346467 (1886-08-01), Court
patent: 1260260 (1918-03-01), Harmon
patent: 1642597 (1927-09-01), Wikschtrom
patent: 1739745 (1929-12-01), Wikschtrom
patent: 2381171 (1945-08-01), Little et al.

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