Head unit for a semiconductor lead frame loader

Details Head unit for a semiconductor lead frame loader Head unit for a semiconductor lead frame loader

1991-10-18

1993-04-06

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

901 37, 901 39, 294106, 425116, 425117, B29C 3910, B29C 4514, B29C 3922

Patent

active

052002020

ABSTRACT:
A head unit for a semiconductor lead frame leader including a vertical operating portion, a clamping portion having two pairs of jaws for clamping the lead frame and with the clamping portion interlocking with the vertical operating portion, a fixing portion with a pair of jaws secured thereto, an adjusting portion with a pair of jaws secured thereto for adjusting the distance separating each pair of jaws in order to accommodate different sizes of lead frames and which interlocks with the adjusting portion upper plate is disclosed.

REFERENCES:
patent: 3651958 (1972-03-01), Evans et al.
patent: 4286380 (1981-09-01), Blount
patent: 4569550 (1986-02-01), Harigane et al.
patent: 4628594 (1986-12-01), Yamagami et al.
patent: 4647096 (1987-03-01), Lemmer
patent: 4725182 (1988-02-01), Sakamoto et al.

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