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Publication numberUS3394819 A
Publication typeGrant
Publication dateJul 30, 1968
Filing dateMay 5, 1966
Priority dateMay 5, 1966
Publication numberUS 3394819 A, US 3394819A, US-A-3394819, US3394819 A, US3394819A
InventorsSaville Russell H
Original AssigneeFluoroware Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Article supporting device
US 3394819 A
Images(2)
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Description  (OCR text may contain errors)

July 30, 1968 R. H; SAVILLE 3,394,819

ARTICLE SUPPORTING DEVICE Filed May 5, 1966 2 Sheets-Sheet 1 24 M mi 0, a: 47 3 INVENTOR. 4 FIG RUSSELL 1-]. SAV/LLE FIG I %MJM ATTORNEYS July 30, 1968 R. H. SAVILLE 3,394,819 ARTICLE SUPPORTING DEVICE 2 Sheets-Sh 2 7 Filed May a, 1966 Z8 m m /3 m INV R Hussfi'gL H SAV/LLE ATTORN S United States Patent 0 3,394,819 ARTICLE SUPPORTING DEVICE Russell H. Saville, Minneapolis, Minn., assignor, by mesne assignments, to Fluoroware, Inc., Chaska, Minn., a corporation of Minnesota Filed May 5, 1966, Ser. No. 547,955 8 Claims. (Cl. 211-126) ABSTRACT OF THE DISCLOSURE A basket for supporting substantially fiat articles in a bath of cleaning or plating fluid without materially reducing the surface area of the article available to the bath. Spaced support bars are provided, each having a side-byside series of V-shaped indentations formed in their opposing sides. An apex of each indentation in one side lies between a pair of indentations in the other side. The support bars are mounted in a generally parallel, spaced relationship with the indentations being aligned across the space between them to provide a row of chambers for holding the articles. A bottom strip is mounted below and between each adjacent pair of support bars to form a bottom for the chambers. The basket is provided with a cover for the chambers and with a handle to support it in the bath.

It is common practice in industry today to treat various types of articles in cleaning or plating baths. Such articles are normally suspended in a bath of fluid for cleaning by either chemical or ultrasonic methods. Similarly, such articles are commonly suspended in a plating bath to coat the article by either chemical or electrochemical means. In each case, apparatus must be provided toproperly support the article in the bath.

The desirable characteristics of supporting racks are well known in the art and many different designs have been invented in response to various problems encountered by the inventor. To operate in a desirable manner, article supporting apparatus should not react with the bath; the apparatus should occupy a small amount of space in the bath in proportion to the space occupied by the articles being cleaned or plated; the apparatus should pack the articles as densely as possible without interfering with the cleaning or plating operation; the apparatus should not interfere with the free flow of fluid between the articles being plated; the apparatus should enable quick insertion and removal of articles therefrom; and the apparatus should support the articles such that substantially the entire surface thereof is exposed tothe action of the bath.

The present invention was designed especially for sup porting generally flat, disc-like articles in a cleaning or plating bath. It was important that the fiat surfaces of these articles did not come in contact with the supporting rack. My invention is designed such that only the edges of the disc-like articles come in contact with the rack. The surfaces of the articles can therefore be cleaned and plated without danger of spotting or otherwise becoming marred by contact with the supporting apparatus.

It is therefore a primary object of my invention to provide apparatus for supporting generally flat, disc-like articles in a cleaning or plating bath such that only the edges of the article come in contact with the supporting apparatus.

A further object of the invention is to provide apparatus for supporting substantially flat articles in a bath without materially reducing the surface area of the article available to the bath, while at the same time increasing the packing density of said articles.

Another object of the invention is to provide molded plastic apparatus for supporting disc-like articles in a bath so that the articles are closely spaced in the bath but yet held from. contact with one another such that only the edges of the articles come in contact with the supporting apparatus.

Still another object of the present invention is to provide an article supporting rack for cleaning or plating baths that provides for high density packing without eliminating or substantially reducing the free flow of fluid between the articles.

Another object of my invention is to provide a rack designed for rapid insertion and removal of articles while at the same time providing complete constraint for articles placed therein.

Further objects and advantages of this invention will become apparent from the following specification and claims when considered in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of my invention showing the basket member, handle and cover;

FIG. 2 is a sectional view taken on the line 22 of FIG. 1, showing a pair of generally fiat disc-like articles placed in the chambers formed by the basket member and cover;

FIG. 3 is a fragmentary top view, partially in section, taken along line 3 3 of FIG. 2;

FIG. 4 is a top plan view of the basket member, with parts thereof removed, showing the chambers formed therein, a portion of said chambers having disc-like articles placed therein;

FIG. 5 is a fragmentary side view of the basket member according to my invention with parts thereof removed;

FIG. 6 is an end view of the basket member, with portions thereof cutaway to disclose a disc-like article sup ported by one of the chambers in said basket member;

FIG. 7 is a perspective view of a portion of the basket member showing the exact relationships of the support bars and bottom strips;

FIG. 8 is a top plan view of the parts thereof removed;

FIG. 9 is a side view of the cover member with parts thereof removed; and

FIG. 10 is a perspective view of the handle for the apparatus.

An overall View of the supporting apparatus or rack according to my invention is disclosed in FIG. 1. Basically, the apparatus comprises three separate parts, a basket member 10, a cover member 11 and a handle 12. The apparatus shown in FIG. 1 is designed to be inserted into a cleaning or plating bath such that basket member 10 and cover 11 are below the surface of the bath while handle 12 extends above the surface of the bath. Basket member 10 provides the basic support for articles placed in the rack since it provides both lateral support for the articles and a bottom support. Cover member 11 is placed on basket member 10 after the articles are placed therein to prevent the articles from escaping from basket member 10.

Referring now to FIG. 7, there is disclosed a perspective view of a portion of basket member 10. Basket member 10 comprises .a plurality of support members or support bars such as 13 and 14. Support bars 13 and 14 are mounted in a parallel spaced relationship. Support bars 13 and 14 can be considered to have first and second faces on opposite sides thereof and first and second ends. Support bars 13 and 14 each has a first series of V- shaped indentations such as 13a and 14a formed side-byside in one face thereof, and a second series of V-shaped indentations such as 1312 and 141) formed side-by-side in the other face. The indentations are so arranged that cover member with the apex of each indentation in one face of a support bar lies between a pair of indentations in the opposite face of the same support bar. Each of the indentations extends the full height of the support bar and therefore is formed perpendicular to the longitudinal axis of the support bar.

In FIG. 4, it is shown that support bars 13 and 14 are connected at the ends thereof by means of end supports 15 and 16. End supports 15 and 16 hold support bars 13 and 14 in the previously mentioned parallel spaced relationship. FIG. 4 also discloses the basket member 10 includes two more support bars 17 and 18 that are connected together at the ends thereof by a pair of end supports 19 and 20. Support bars 14 and 17 are connected together by end supports 21 and 22.

With reference to FIGS. 1, 2 and 6, it can be seen that end supports 15, 16, 19, 20, 21 and 22 extend below the support bars a given distance. The end supports are connected at their bottom edges by bottom strips 28, 29 and 30 to be explained hereinafter.

Basket member 10 has a first row of chambers such as 25 formed therein between support bars 13 and 14; a second row of chambers such as 26 formed therein between support bars 14 and 17; and a third row of chambers such as 27 formed therein between support bars 17 and 18. The first series of indentations such as 13b on one support member 13 are aligned with the second series of indentations such as 14a on adjoining support member 14 to form the sides of the chambers such as 25. The sides of the chambers are not completely closed because of the spacing between the adjacent support bars. This relationship is clearly shown in FIG. 7. The chambers are, however, designed to provide lateral support for a generally fiat disc-shaped article placed therein, provided that the diameter of the article is larger than the spacing between the support bars. Chambers 26 and 27 are formed in the same manner as above using support members 14 and 17, and 17 and 18 respectively.

The bottom strips 28, 29 and 30 comprise further sup port means and are mounted in parallel with adjacent pairs of the support bars. Each of the bottom strips 28, 29 and 30 extends between the corresponding end support means and is mounted in a fixed relationship with respect to the adjacent support members.

In the preferred embodiment of my invention shown here, each of the bottom strips lies along a line in a vertical plane that bisects the space between the two adjacent support members. Since the bottom strips are designed to provide support for the bottom of an article placed in a chamber, they do not lie directly between the support bars but are mounted below them at an equal distance from the two adjoining bars. Bottom strips 28, 29 and 30 all lie in a common plane that is spaced equidistant from each of the support bars. The fact that each bottom strip lies in a vertical plane that bisects the space between the adjoining support bars is clearly shown in FIG. 4. The fact that all of the strips lie in a common horizontal plane spaced from the support bars is clearly shown in FIGS. 6 and 7.

As previously mentioned each of the bottom strips 28, 29 and 30 is connected to the corresponding end supports. In addition, a plurality of L-shaped members such as 28a and 28b is connected to the support members and to the bottom strips to hold the bottom strips in the desired position.

The particular method of constructing basket member 10 is not critical to my invention but it should be noted that, in the preferred embodiment, the entire basket member 10 is molded in one piece from a suitable plastic material such as Teflon. The molded structure is quite strong and rigid and yet provides sufficient space for fluid to flow freely between articles placed therein.

In FIG. 4, a series of disc-like aricles 31, 32 and 33 has been placed in chambers 25, 26 and 27 respectively. Lateral support for article 31, for example, is provided by the V-shaped indentations in support bars 13 and 14. Support for the bottom of article 31 is provided by bottom strip 28. Although article 31 is free to move about within the confines of chamber 25, it can be seen that only the edges of article 31 will ever come in contact with the surfaces of chamber 25. The flat surfaces of article 31 are thus always available to the bath action. Neither will article 31 come in contact with any of the other articles placed in basket member 10.

Basket member 10 provides support for the side edges and the bottom of an article placed therein, but cover member 11 must be added to prevent the articles from escaping the chambers. Cover member 11 comprises a generally rectangular frame 35 that corresponds in length and width to the length and width of basket member 10. This size relationship can be observed in FIG. 1. Extending between the ends of frame 35 is a plurality of thin cover strips 36, 37 and 38. The cover strips correspond in size and number to the previously described bottom strips 28, 29 and 30 on basket member 10. When cover member 11 is placed on basket member 10 as shown in FIG. 1, each of the cover strips lies in the same vertical plane as a corresponding bottom strip. For example, cover strip 36 lies in the same vertical plane as bottom strip 28. A plurality of brace members such as 39 and 40 extend between the sides of frame 35 and are connected to each of cover strips 36, 37 and 38 to hold the cover strips rigidly in the plane of frame 35.

Attached to one side of cover member 11 is a plurality of leg members such as 41 and 42. Leg members 41 and 42 are connected to both frame 35 and to brace members 39 and 40 so that the support of cover member 11 is distributed over the entire area thereof.

Referring now to FIGS. 1 and 9, it can be observed that leg members 41 are shorter than leg members 42. Leg members 41 are designed to rest against the top surfaces of support bars 13, 14, 17 and 18 when the cover is placed in the position shown in FIG. 1. In the preferred embodiment of my invention, cover 11 is supported a distance from the support bars that correspond to the distance the bottom strips are mounted from the support members. This relationship can also be seen in FIG. 2.

The leg members 42 are mounted only around the edge of frame 35 and are designed to fit into one of the V- shaped indentations along the outside edge of basket member 10. Leg members 42 thus prevent lateral movement of cover 11 with respect to basket member 10.

Handle 12 is designed to support basket member 10 and cover member 11 in the bath. Handle 12 is a onepiece molded member having a generally rectangular cross section. Molded at the bottom end of handle 12 is a pair of stop members 46 and 47 that act to increase the cross sectional area of the handle at that point. As shown in FIG. 1, handle member 12 is designed to extend through basket member 10 and cover member 11. To accomplish this, bottom strip 29 and cover strip 37 have been cut away at chamber 26a to open up that centrally located chamber for insertion of handle 12. Handle 12 is designed to fit snugly within chamber 26a to aid in preventing lateral motion of cover 11 with respect to basket member 10. As shown in FIG. 2, basket member 10 is supported on the upper surfaces of stop members 46 and 47.

It is apparent from FIG. 1 that several basket members and cover members may be stacked together on a single handle 12. The capacity of the apparatus can thus be greatly increased. It should also be apparent that the apparatus need not be limited to the exact structure described here. Additional support bars can be added to the basket member to increase the number of chambers available. Even if the basket members and covers are stacked or if the size of the members is increased, fluid in the bath will continue to flow freely throughout the apparatus, making contact with all of the articles supported therein. Perhaps the most important feature, however, is the fact that the sides of the articles never make contact with the supporting apparatus, regardless of the agitation or movement that occurs.

While I have illustrated and described the best form of the invention now known to me, it will be apparent to those skilled in the art that changes may be made in the form of the apparatus described without departing from the spirit and scope of the invention, as set forth in the appended claims. For these reasons, I intend to be bound only by the appended claims.

What is claimed is:

1. Molded plastic apparatus for supporting generally flat, disc-like articles in a cleaning or plating bath, comprising in combination:

(a) a basket member, comprising:

(1) a plurality of support members each having first and second faces on opposite sides thereof and first and second ends, each of said support members having a first series of V-shaped indentations formed side-by-side in said first face and a second series of similar indentations formed side-by-side in said second face so that an apex of each indentation in one of said series lies between a pair of indentations in said other series;

(2) first and second end support means rigidly connected to each of said first and second ends respectively to hold said support members in a parallel spaced relationship with said first face of said support members facing said second face of an adjacent support member, said indentations in said adjacent faces being aligned so as to provide lateral support for opposite edges of a disc-like article placed between said aligned indentations parallel to said end support means;

(3) a plurality of thin bottom strips extending between said first and second end support means in a fixed positional relationship with respect to said support members, a single strip lying along a line in a vertical plane bisecting each of the spaces between said support members, said strips all lying in a common horizontal plane that is spaced equidistant from each of said support members;

(4) a plurality of L-shaped members connected to said support members and to said bottom strips to hold said strips in said fixed positional relationship;

(b) a cover member, comprising:

(1) a generally rectangular frame corresponding in linear dimensions along the ends and sides thereof to the length and width of said basket member;

(2) a plurality of thin cover strips corresponding in size and number to said bottom strips and ex tending between the ends of said frame so that when said cover member is placed on said basket member opposite said support members from said bottom strips, each of said cover strips lies in the same vertical plane as a corresponding bottom strip;

(3) a plurality of brace members extending between the sides of said frame and being connected to said frame and to each of said cover strips to hold said cover strips rigidly in the plane of said frame;

(0) a plurality of leg members mounted on one side of said cover member perpendicular to the plane of said frame to removably support said cover member a distance from said basket member generally corresponding to the distance said bottom strips are mounted from said support members; and

(d) a handle member designed to extend through said basket member and said cover member to hold said cover member in position on said basket member and to provide means to support said apparatus in a bath.

2. Apparatus for supporting substantially flat articles in a bath of cleaning or plating fluid without materially reducing the surface area of the article available to the bath, comprising:

(a) at least two support bars each having a side-byside series of indentations formed normal to the length thereof;

(b) each of said support bars having a pair of parallel sides facing in opposite directions, said indentations being V-shaped and being formed in said opposite sides of said support bars so that an apex of each indentation in one side lies between a pair of indentations in said other side;

(c) means for mounting said support bars so that said indented sides lie in a parallel spaced relationship, said indentations being aligned across said space between them to form the sides of a row of chambers for holding said articles; and

(d) further support means mounted in parallel with adjacent pairs of said support bars and spaced generally equidistant therefrom to form a bottom for said chambers.

3. Apparatus for supporting substantially flat articles in a bath of cleaning or plating fluid without materially reducing the surface area of the article available to the bath, comprising:

(a) at least two support bars each having a side-byside series of indentations formed normal to the length thereof in at least one side thereof;

(b) means for mounting said support bars so that said indented sides lie in a parallel spaced relationship, said indentations being aligned across said space between them to form the sides of a row of chambers for holding said articles;

(c) said indentations being shaped such that only the edges of a flat, disc-like article placed in one of said chambers will touch the sides thereof, provided that the diameter of said article is greater than the distance between said support bars; and

(d) further support means mounted in parallel with adjacent pairs of said support bars and spaced generally equidistant therefrom to form a bottom for said chambers.

4. Apparatus for supporting substantially flat articles in a bath of cleaning or plating fiuid without materially reducing the surface area of the article available to the bath, comprising:

(a) at least two support bars each having a side-byside series of indentations formed normal to the length thereof in at least one side thereof;

(b) means for mounting said support bars so that said indented sides lie in a parallel spaced relationship, said indentations being aligned across said space between them to form the sides of a row of chambers for holding said articles; and

(c) further support means mounted in parallel with adjacent pairs of said support bars and spaced generally equidistant therefrom to form a bottom for said chambers, said further support means comprising a thin bottom strip mounted along a line in a plane bisecting the space between each adjacent pair of said support bars, to thereby provide support for articles placed in said chambers without significantly blocking the flow of said fluid through said chambers.

5. Apparatus according to claim 4 in combination with a cover member, comprising:

(a) a generally rectangular frame having a plurality of cover strips extending between the ends thereof so that with said cover member in position on said support bars opposite from said bottom strips, each of said cover strips lies in the same plane as a corresponding bottom strip;

(b) a plurality of brace members connected to said frame and to each of said cover strips to hold said cover strips rigidly in the plane of said frame; and

(c) means for removably supporting said cover member on said support bars to 'prevent the escape of said articles from said chambers.

6. Apparatus according to claim 5 in combination with a handle member designed to extend through one of said chambers and through said cover member to prevent lateral movement of said cover member with respect to said chambers and to provide means to support said apparatus in a bath.

7. Apparatus for supporting articles in a bath without materially reducing the surface area of the article available to the bath, comprising:

(a) a plurality of support bars each having a side-byside series of V-shaped indentations formed normal to the length thereof;

(b) means for mounting said support bars so that said indented sides lie in a spaced relationship, said indentations being aligned across said space between them to form the sides of a row of chambers for holding said articles;

(c) said indentations being formed in opposite sides of said support bars so that an apex of each indentation in one side lies between a pair of indentations in the other side, whereby a plurality of said support bars can be mounted in said spaced relationship to form more than a single row of said chambers; and 25 (d) further support means mounted adjacent said support bars and spaced therefrom to form a bottom for said chambers.

8. Apparatus for supporting articles in a bath without materially reducing the surface area of the article available to the bath, comprising:

(a) a first support bar having a pair of oppositely facing sides, each of said sides having a side-by-side series of V-shaped indentations formed normal thereto so that an apex of each indentation in one side lies between a pair of indentations in said other side;

(b) a second supporting means;

(c) mounting means for mounting said first support bar and said second supporting means in a spaced relationship to form a plurality of chambers for holding said articles, said mounting means including a plurality of support members, said support members each being connected at opposite ends to said second supporting means and to said first support bar at an apex located between each pair of adjoining indentations; and

(d) further support means mounted on said support members between said first support bar and said second supporting means and spaced therefrom to further support said articles.

References Cited UNITED STATES PATENTS D. 171,132 12/1953 Hudson 220-21 XR 1,749,953 3/ 1930 Lichtman 204-297 3,283,915 11/1966 Maslow 211126 FOREIGN PATENTS 607,733 9/ 1948 Great Britain. 1,360,048 3/ 1964 France.

30 ROY D. FRAZIER, Primary Examiner.

W. D. LOULAN, Assistant Examiner.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1749953 *Nov 27, 1928Mar 11, 1930Chromeplate IncRack or hanger for articles to be plated
US3283915 *Mar 31, 1964Nov 8, 1966Louis MaslowTray or rack assembly
USD171132 *Jan 2, 1953Dec 22, 1953 Hudson carrying case for bottles
FR1360048A * Title not available
GB607733A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3923156 *Apr 29, 1974Dec 2, 1975Fluoroware IncWafer basket
US4302309 *Oct 9, 1980Nov 24, 1981U.S. Philips CorporationElectrophoretic coating of emissive layer
US4815601 *Sep 29, 1987Mar 28, 1989Fluoroware, Inc.Carrier for flat panel displays
US4913298 *Aug 3, 1989Apr 3, 1990Rossano CompagnucciExtractable carriage for kitchen units
US4930634 *Mar 13, 1989Jun 5, 1990Fluoroware, Inc.Carrier for flat panel displays
US4949848 *Apr 29, 1988Aug 21, 1990Fluoroware, Inc.Wafer carrier
US5111936 *Nov 30, 1990May 12, 1992FluorowareWafer carrier
US6340090 *Jan 7, 1999Jan 22, 2002Tooltek Engineering CorporationSubstrate fixturing device
US8603306 *Apr 14, 2011Dec 10, 2013Samsung Display Co., Ltd.Cleaning device
US20120006677 *Apr 14, 2011Jan 12, 2012Samsung Mobile Display Co., Ltd.Cleaning Device
Classifications
U.S. Classification211/41.1, 220/516, 204/297.12, 204/297.1
International ClassificationC25D17/06
Cooperative ClassificationC25D17/06
European ClassificationC25D17/06