Electric heating – Metal heating – With forging or shaping
Patent
1974-07-16
1976-02-24
Truhe, J. V.
Electric heating
Metal heating
With forging or shaping
74520, B21J 508
Patent
active
039405907
ABSTRACT:
A fushed eyeletting machine which constitutes an improvement over the structure disclosed by U.S. Pat. No. 3,739,141, the improvement features being in the upper setting tool mount structure.
The upper arm of the C-shaped frame terminates in a pair of spaced apart tool support fingers, and a double stop toggle mechanism is mounted between the fingers, joined to a mandrel portion of the upper tool at a location thereon between the fingers.
The electrical connection to the upper tool is adjacent the tool top and above the fingers.
REFERENCES:
patent: 1252143 (1918-01-01), Murray et al.
Siegel William Jordan
Young Loring E.
Herkamp N. D.
Pace Incorporated
Truhe J. V.
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