Extraction tool

Details Extraction tool Extraction tool

1988-06-28

1989-08-22

Gorski, Joseph M.

Metal working

Means to assemble or disassemble

Means to disassemble electrical device

29278, 294 15, B23P 1904

Patent

active

048583090

ABSTRACT:
An extraction tool (2) for removing circuit boards (4) from connectors (6) comprises printed circuit board retaining channels (52, 52') for frictionally engaging the circuit board (4) and camming member (54, 54') for cooperation with latching arm (18) of the connector (6). The tool (2) is made from two body portions (20, 22), the body portions (20, 22) being movable with respect to each other, enabling the tool (2) to compensate for various sizes of circuit boards (4). As the tool (2) is inserted onto the circuit board (4), channels (52, 52') provided in legs (46, 46') of the tool (2) frictionally engage edges of the circuit board (4). As insertion continues, the camming arms (54, 54') engage the latching arms (18) of the connector (6), thereby moving the latching arms (18) from the circuit board (4). With the latching arms (18) disengaged from the board (4), the tool (2) is retracted. The frictional engagement between the channels (52) and the edges of the board (4) causes the board (4) to be removed as the tool (2) is retracted. The operation of the tool (2) provided for the easy removal of the circuit board (4) from the connector (6), even when the connectors (6) are closely spaced together.

REFERENCES:
patent: 3178214 (1965-04-01), Tinkelenberg
patent: 3484129 (1969-12-01), Askren
patent: 3538580 (1970-11-01), Bruner
patent: 3617083 (1971-11-01), Koppensteiner et al.
patent: 3896533 (1975-07-01), Ullman et al.
patent: 3903576 (1975-09-01), Stein
patent: 4109379 (1978-08-01), Ratti et al.
patent: 4737120 (1988-04-01), Grabbe et al.
IBM Technical Disclosure Bulletin, "Extraction and Insertion Tool for Printed Circuit Cards", Yevchak et al.

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