Handling: hand and hoist-line implements – Grapple – Pivoted jaws
Patent
1986-08-08
1987-05-19
Marbert, James B.
Handling: hand and hoist-line implements
Grapple
Pivoted jaws
294 992, H05K 1304, A61B 1704
Patent
active
046661999
ABSTRACT:
A tool for extracting a microelectronic chip carrier from a receptacle to which it is connected. It includes left and right arms, each having coextensive members in the form of a substantially rigid tong and a flexible leg. Both arms are pivotally mounted at a common axis for relative movement. A distant end of each tong terminates at a chip carrier engaging hook and is slidably received in a channel formed in a tong support at a far end of the leg. Each leg has a bearing surface at its extreme end and a hinge member intermediate its ends and is bowed outwardly of its associated tong. With the bearing surface engaged on the receptacle, the arms are opened sufficiently wide that the hooks which are extended from the bearing surface when the tool assumes its relaxed condition, straddle the chip carrier. As the arms are squeezed together, lateral movement of the flexible leg members toward their associated tong members is effective to move the hooks, in a continuing sequence, first laterally toward and into engagement with the chip carrier, then longitudinally in a direction away from the receptacle until the chip carrier is dislodged from the receptacle.
REFERENCES:
patent: 4506669 (1985-03-01), Blake, III
patent: 4569550 (1986-02-01), Harigane et al.
Burndy Corp. brochure: "Burndy the Connector Selector" (5 pg.).
Photocopy, in silhoutte, of AMP Inc. Extraction Tool (1 pg.).
Photocopy, in silhoutte, of Microelectronics Supplies Inc. Extraction Tool (1 pg.).
Advert, Little Gripper Dip Extractor, Techni-Tool (1 pg.).
Catalog, SAMTEC, illust. pin grid array extractor (1 pg.).
Burndy Corporation
Marbert James B.
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