GB2219959A

GB2219959A - I.C. insertor/extractor

Info

Publication number: GB2219959A
Application number: GB8814692A
Authority: GB
Inventors: Tom Quach
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-06-21
Filing date: 1988-06-21
Publication date: 1989-12-28
Also published as: GB8814692D0; DE3822952A1

Description

22 1 99F,9 INTEGRATED CIRCUIT INSERTOR/EXTRACTOR The present invention

relates to an integrated circuit insertor/extractor, and more particularly relates to an insertor/extractor which can insert or extract an Integrated Circuits (I.C.) from an adapter or printed circuit- boards (P.C. boards).

Some kinds of adapters have been utilized to be mounted on P.C. boards, as can be seen in FIG. 5A. The pins 60 distributed on the lower surface of the adapter 6 are in alignment with the holes 70 on the P.C. board 7. A plurality of receivers 61 shown in FIG. 5B, are disposed above the pins 60 on the upper surface of the adapter 6 to receive I.C.'s. It is more operational and secure to solder the adapter on the P.C. board than to directly solder the I.C. on the P.C. board without any interface; moreover, it is more convenient to adjust the position of I.C. on the adapter than on the I.C. board. As applied to the assembly of I.C.'s, various types of insertors have been developed to facilitate the production line, but not without their drawbacks. Conventionally, an insertor is employed to insert I.C.'s onto a P.C. board and a extractor is used to extract the I.C. from the P.C. board.

This application has arisen from work in seeking to obviate and/or mitigate the above-mentioned problem.

Therefore, the present invention intends to provide an integrated circuit (I.C.) insertor/extractor which can not only insert an I.C. on an adapter and which can also extract the I.C. from the adapter.

In accordance with a second aspect of the present invention, there is provided an I.C. insertor/extractor 5 which comprises a retractable handle and a clipping element.

In accordance with a third aspect of the present invention, there is provided an I.C. insertor/extractor which has performance characteristics superior to any 10 heretofore available.

A further understanding of the present invention will be provided to those skilled in the art from the following detailed description and the associated drawings which will first be described briefly.

BRIEF DESCRIPTION OF THE DRAWINGS.

FIG. 1 is a perspective view of an integrated circuit insertorlextractor in accordance with the present invention; FIG. 2 is an exploded partlycutaway view of the 20 integrated circuit insertor/extractor of FIG. 1; FIG. 3 is a cross-sectional view of the integrated circuit insertor/extractor of FIG. 1 when in use, illustrating that an I.C. is put in the 25 insertor/extractor; FIG. 4 is a corss-sectional view similar to FIG. 3, illustrating that an I.C. is captured by the insertor/extractor; FIG. 5A is a perspective view of an integrated circuit, an adapter and a P.C. board; and FIG. 6B is an enlarged view of a receiver mounted on the adapter of FIG. 4A.

With reference to the drawings and particularly to FIG. 1 thereof, it can be seen that ar integrated circuit insertor/extractor in accordance with the present invention comprises an elongate body 1, a clipping element 2, and a cap 3.

Referring to FIG. 2, it can be seen that axial bores 11, 12 and 13 are sequentially provided along the length of the elongate body 1, wherein the first axial bore 11 is formed larger than the second axial bore 12, and the second axial bore 12 is formed smaller than the third axial bore 13 which is irregular formed. The aspect of the elongate body 1 is shaped in a manner to facilitate the grasping of this invention.

A stem 31 is integrally formed on the bottom end of the cap 3, and has an annular groove 33 at the lower portion thereof for receiving a first C-ring 34. The stem 31 is encompassed by the elongate body 1 with a first spring 32 lodged in the first axial bore 11, wherein the lower portion of the stem 31 is maintained in the third axial bore 13 since the first C-ring 34 prevents the stem 31 from slipping out of the elongate body 1, against the force of the first spring 32.

4 Therefore, a retractable handle is formed by the elongate body 1 and cap 3.

The clipping element 2 has a reverse U-shaped clipping housing 20 which comprises a cylindrical protrusion 21 with a pair of lugs 22 to be secured in the third axial bore 13 of the elongate body 1, wherein a pair of reverse hook-like slits 14 are axially provided at the third axial bore 13 to respectively receive. and secure the lugs 22. Furthermore, an annular gasket 15 is packed in the left capacity of the third axial bore 13, when the protrusion 21 is wedged therein, to secure the lugs in the curved portions 140 of the slits 14.

The top rim 210 of the cylindrical protrusion 21 is formed with a smaller bore so as to retain a rivet 24 within the cylindrical protrusion 21. Moreover, a second spring 26 encompasses the rivet 24 and is against the enlarged head of the rivet 24, which is retained and retractable in the cylindrical protrusion 21 due to a second C-ring 27 housed within an annular channel 270 disposed at the bottom end of -the cylindrical protrusion 21. The rivet 24 not only has a T-shaped structure, but also has a narrower end portion 25. A horizontal channel 23 is provided on the inner surface of both of lateral sides of the clipping housing 20.

The outstanding feature of this application is that the clipping element 2 has a pair of lifting elements 41 which are respectively wedged in the horizontal channel 23 when assemblied. A drop-like opening 42 and a hook 43 are provided at a short distance on the top surface of each lifting element 41 and a horizontal extending means 46 is inwardly disposed on the bottom rim of each lifting element 41 to grasp the I.C. and extract the I.C. from the adapter. The lifting element 41 is formed L-shaped, then the incorporation of the lifting elements 41 has a substantially reverse U-shape, which is accomplished by a spring element 5 fixed on the hooks 43 at its distal ends in a manner that the openings 42 on respective lifting elements are partly superposed. Furthermore, a plate 47 with a hole 470 at its center position is positioned below the corporation of the lifting elements 41, and the end portion 25 of the retractable rivet 24 through the hole 470 is hammered flat.

Particular with reference to FIG. 3, it can be seen that the overall structure as per the present invention is assembled, wherein an I.C. is put within, and is not captured by, this invention. It should be noted that the insertor/extractor is in open position to receive or extract an I.C. when the retractable cap is free. When the I.C. is to be carried to be put on the adapter i.e., captured by this invention, as shown in FIG. 4, the spring-loaded cap 3 is retracted so as to cause the lower portion of the stem 31 to protrude 6 - into the cylindrical protrusion 21 and force against the spring-loaded rivet 24. The recession of the rivet 24 not only enlarge the superposed portion of the openings 42 so as to shorten the distance between the 5 lifting elements 41 to capture the I.C., but also drives the plate 47 down and tight against the I.C. on the extending m-ieans 46.

When the pressure of the spring-loaded cap 3 is released, the stem 31 and spring-loaded rivet 24 are reverted into a former state due to the forces of the first and second springs 32, 26. If the I.C. is to be extracted from the adapter 40, this can,be attained by repeating the above-mentioned sequence.

While the invention has been explained in relation to its preferred embodiments, it is to be understood that various modifications thereof will become apparent to those skilled in the art upon reading this specification. Therefore, it is to be understood that the invention disclosed herein is intended to cover such modifications as fall within the scope of the appended claims.

INTEGRATED CIRCUIT INSERTOR/EXTRACTOR

Claims

CLAIMS:

1. An integrated circuit insertor/extractor for inserting or extracting an integrated circuit from a printed circuit board, comprising:

(a) an elongate body having axial bores with different radiuses; (b) a cap having a stem on a bottom end thereof; said stem encompassed by said elongate body with a first spring lodged in one of said bore, and having a groove at a lower portion thereof for receiving a first C-ring to prevent said stem from slipping out of said elongate body; and (C) a clipping element comprising a clipping housing with a cylindrical protrusion tobe secured in said elongate body; a spring-loaded rivet being retained with said cylindrical protrusion by a second C-ring; a pair of lifting elements, with a horizontal extending means inwardly disposed on a bottom rim thereof to grasp said I.C., being disposed under said rivet; and a plate below said lifting elements having a hole on a center position thereof to receive said rivet wherein an end portion of said rivet is hammered flat.

8 2219,959

2. An integrated circuit insertor/extractor substantially as hereinbefore described with reference to the accompanying drawings.

i Published 1989 stThe PatentOffice, State House,68/71 High HolbornLondonWCIR4TP. Further copies maybe obtainedfrom The Patent Office. Sales Branch, St Mary Cray, Orpington, Kent BR5 31M. Printed by Multiplex techniques ItAl, St Mw7 Cray, Kent, Con. 1/87