Metal working – Means to assemble or disassemble – Means to assemble electrical device
Patent
1982-10-27
1984-07-24
Hall, Carl E.
Metal working
Means to assemble or disassemble
Means to assemble electrical device
29764, H05K 1304, H05K 330
Patent
active
044610734
ABSTRACT:
A hand-operated device 10 is disclosed for inserting or extracting the dual-in-line leads (14) of a circuit module (12), particularly of the type having a relatively fragile circuit-supporting substrate (18), into or out of respective lead-engaging through-holes of a circuit board (17), or a board-mounted socket. The device (10) comprises a pair of mutually disposed, longitudinally extending, and spring-biased gripping jaws (21, 22), interconnected by a spaced pair of guide rods (26, 27). Each guide rod is fixedly secured at one end within a bore (24a or b) of one jaw-supported boss (24), with the other end being slidably received within an aligned bore (29a or b) of an other jaw-supported boss (29) so as to allow precisely controlled, relative linear displacement of the jaws. Two coil springs (33, 34), each mounted on a different one of the guide rods (26 or 27), and maintained in a compressive state between the inner faces of the jaw-supported bosses (24, 39), cooperate with a retractable, boss-mounted and keyway-guided cover plate (46) to control the maximum (and optionally minimum) spacing between the jaws (21, 22), as well as to effect the temporary releasable locking of the jaws after a circuit module has been gripped therebetween. Such releasable locking action is effected through the use of two specially configured cover plate keyways (48, 49) and three boss-secured key members (51, 53 and 54) selectively associated therewith. An adjustable stop member (66) supported by, and extending through, the sidewall of one jaw (21) is employed to limit the minimum spacing between the gripping jaws (21, 22) independently of said cover plate (46).
REFERENCES:
patent: 3516142 (1970-06-01), De Rose et al.
patent: 3538580 (1970-11-01), Bruner
patent: 3797092 (1974-03-01), Einarson
patent: 4152827 (1979-05-01), Walton
patent: 4392301 (1983-07-01), Hannes et al.
Harringer Robert V.
Nadherny Frank J.
Rada Robert O.
AT&T - Technologies, Inc.
Bergum K. R.
Hall Carl E.
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