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US4215468A Expired / Lapsed US ⏱️ 0.0 years remaining

IC Extraction tool

Assignee: O K MACHINE AND TOOL CORP
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Filing: 1979-03-14
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Granted: 1980-08-05
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Expires: 1999-03-14
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Abstract

Abstract An extraction tool for a packaged IC is described. The tool is characterized by gripping means for gripping opposite sides of the IC when the tool is actuated by pulling up on a slider, and for applying a uniform lifting force to the IC when the gripping means contacts the IC, to avoid deforming the IC pins.

Inventors

  • 👤 Paul L. Greco

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:54
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/0486; H05K13/0491; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53257; Y10T29/53274; Y10T29/53283; Y10T29/53909; Y10T29/53943

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 120 words
A packaged IC extraction tool comprising a handle portion having a bottom, means at the handle bottom forming a cavity for receiving the IC package, gripping means on the handle portion adjacent the cavity for gripping opposite sides of the IC package, said cavity being formed by opposed depending edges on the handle portion and by said gripping means, said gripping means comprising a pair of slideable telescoping members, means on the handle portion for actuating the gripping means from an open rest position allowing the package to enter the cavity to a gripping position where they contact the package, and means connected to the gripping means for developing a pulling force on the package capable of extracting the IC.
Claim 2
Dependent Claim 120 words
A packaged IC extraction tool comprising a handle portion having a bottom, means at the handle bottom forming a cavity for receiving the IC package, gripping means on the handle portion adjacent the cavity for gripping opposite sides of the IC package, said cavity being formed by opposed depending edges on the handle portion and by said gripping means, said gripping means comprising a pair of slideable telescoping members, means on the handle portion for actuating the gripping means from an open rest position allowing the package to enter the cavity to a gripping position where they contact the package, and means connected to the gripping means for developing a pulling force on the package capable of extracting the IC.
Claim 3
Dependent Claim 143 words
An extraction tool for a packaged IC having 24-40 pins, comprising a handle portion having a bottom, means at the handle bottom forming a cavity for receiving the IC package, laterally-movable gripping means on the handle portion adjacent the cavity for gripping opposite sides of the IC package, means on the handle portion for actuating the gripping means from an open rest position allowing the package to enter the cavity to a gripping position where they contact the package, means coupled to the gripping means and actuable upon the gripping means contacting the package for causing the gripping means to supply a pulling force on the package capable of extracting the IC, and means for releasing the IC from the tool, said gripping means comprising telescoping members, and the gripping means actuating means comprising means for camming the telescoping members into telescoping relation.
Claim 4
Dependent Claim 143 words
An extraction tool for a packaged IC having 24-40 pins, comprising a handle portion having a bottom, means at the handle bottom forming a cavity for receiving the IC package, laterally-movable gripping means on the handle portion adjacent the cavity for gripping opposite sides of the IC package, means on the handle portion for actuating the gripping means from an open rest position allowing the package to enter the cavity to a gripping position where they contact the package, means coupled to the gripping means and actuable upon the gripping means contacting the package for causing the gripping means to supply a pulling force on the package capable of extracting the IC, and means for releasing the IC from the tool, said gripping means comprising telescoping members, and the gripping means actuating means comprising means for camming the telescoping members into telescoping relation.
Claim 5
Dependent Claim 34 words
A packaged IC extraction tool as set forth in claim 2, wherein the gripping means comprise telescoping members, and the gripping means actuating means comprises means for camming the telescoping members into telescoping relation.
Claim 6
Dependent Claim 46 words
A packaged IC extraction tool as set forth in claim 3, wherein the camming means is configured to cause the telescoping means to move laterally between its rest and gripping positions and to move axially of the handle portion between its gripping and IC removal positions.
Claim 7
Dependent Claim 63 words
A packaged IC extraction tool as set forth in claim 4, wherein the actuating means comprises a pull-up slider on the handle portion and means for biasing the slider relative to the handle portion and the gripping means relative to the slider such that actuation of the slider causes the gripping means to move laterally and then upwardly upon reaching its gripping position.
Claim 8
Dependent Claim 61 words
A packaged IC extraction tool as set forth in claim 5, wherein the biasing means comprises a first compression spring biasing the gripping means with respect to the slider and to the handle portion, and a second compression spring biasing the gripping means with respect to the handle portion, said second spring applying a greater compressive force than said first spring.
Claim 9
Dependent Claim 39 words
A packaged IC extraction tool as set forth in claim 6, wherein a pusher bar is provided within the body and engaging the gripping means, the second spring exerting a force between the handle portion and the pusher bar.
Claim 10
Dependent Claim 62 words
A packaged IC extraction tool as set forth in claim 6, wherein the telescoping members comprise folded parts having aligned obliquely-directed slots, with the slots in one telescoping member being oppositely directed to that in the other telescoping member, and pin means mounted on the slider and engaging the slots in both telescoping members, said slots and pins comprising the camming means.
Claim 11
Dependent Claim 157 words
An extraction tool for packaged ICs having varying lengths, comprising an elongated handle portion having a longitudinal axis and a bottom, means at the handle bottom forming a cavity for receiving an IC package, gripping means on the handle portion adjacent the cavity and slideable laterally to the longitudinal axis to accommodate varying length packages for gripping opposite sides of an IC package located in the cavity, means on the handle portion upon being pulled axially for actuating the gripping means to slide laterally from an open rest position allowing an IC package to enter the cavity to a gripping position where they contact the package, means coupled to the gripping means and actuable upon the gripping means contacting the package during the continued axially pulling of the actuating means for causing the gripping means to supply a pulling force on the package capable of extracting the IC, and means for releasing the IC from the tool.
Claim 12
Dependent Claim 157 words
An extraction tool for packaged ICs having varying lengths, comprising an elongated handle portion having a longitudinal axis and a bottom, means at the handle bottom forming a cavity for receiving an IC package, gripping means on the handle portion adjacent the cavity and slideable laterally to the longitudinal axis to accommodate varying length packages for gripping opposite sides of an IC package located in the cavity, means on the handle portion upon being pulled axially for actuating the gripping means to slide laterally from an open rest position allowing an IC package to enter the cavity to a gripping position where they contact the package, means coupled to the gripping means and actuable upon the gripping means contacting the package during the continued axially pulling of the actuating means for causing the gripping means to supply a pulling force on the package capable of extracting the IC, and means for releasing the IC from the tool.
Claim 13
Dependent Claim 53 words
A packaged IC extraction tool as set forth in claim 9, wherein the IC has dual rows of spaced pins and the cavity is formed by fixed opposed depending walls on the handle portion and by the gripping means, said opposed depending walls being spaced by a distance matching the pin row spacing.
Claim 14
Dependent Claim 22 words
A packaged IC extraction tool as set forth in claim 10, wherein the gripping means comprise a pair of slideable telescoping members.

References Cited (Backward Citations)

US3443297A Cited
US3699629A Cited
US3896533A Cited
DE2745966A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-05 1984-02-04 1984-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-05 1988-02-04 1988-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-05 1992-02-04 1992-08-05 $7700.00 Window Closed / Lapsed

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