Device for mounting electronic components to circuit board

Details Device for mounting electronic components to circuit board Device for mounting electronic components to circuit board

1984-11-02

1986-02-18

Bilinsky, Z. R.

Metal working

Method of mechanical manufacture

Electrical device making

295663, 29707, 29741, 83 621, 83522, 83925R, 227 1, 227 7, H05K 330

Patent

active

045703361

ABSTRACT:
A device for mounting an integrated circuit with two rows of terminal pins to a circuit board comprises a pair of stationary knives and a pair of movable knives, each stationary knife overlying the respective movable knife on opposite sides of a stationary anvil member. Each stationary knife is provided in the region of its cutting edge with a multiplicity of spaced parallel slots extending transversely to the cutting edge, whereby the stationary knife is formed in the region of the cutting edge with a multiplicity of cutting tabs. Each cutting tab is connected to a respective strain gauge strip in turn electrically connected to a processing or monitoring circuit by means of a multiplicity of leads. The monitoring circuit detects the electrical resistances of the strain gauge strips and thereby determines whether the corresponding cutting tab has been loaded or engaged by a terminal pin during a bending and severing operation. The monitoring circuit includes a microprocessor and a display.

REFERENCES:
patent: 2758303 (1956-08-01), Dow et al.
patent: 2867810 (1959-01-01), Gagnon
patent: 2893009 (1959-07-01), Bergsland et al.
patent: 4218817 (1980-08-01), Takano
patent: 4286379 (1981-09-01), Kawa et al.
patent: 4288914 (1981-09-01), Vancelette
patent: 4485548 (1984-12-01), Janisiewicz
patent: 4499649 (1985-02-01), Maxner

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