US2258391A - Plating rack - Google Patents

Description

o@ 7, 1941` J. Novrf'sKY 2,258,391 l PLATING RACK F1169 Haren '7, 1939 2 sheets-sneet 1 uct-7, 1941. J. NOWTSKY -225891 PLATING RACK Filed March 7, 1939 2 Sheets-Sheet 2 wrmessas sulating material may readily be applied therer- Patented Oct. 7, 194i emma mex Joseph Novitsky, New 'inn-k,` N. Y. Application Meren' '1, vi939, sedative. 269,267 z claims; (ci. zoe-rtsi) This invention relates to improvements in plating racks or the like and more particularly to a plating rack for suspending or holding articles in an electric plating bath.

It is an object of the invention to provide an improved plating rack` which may be `formed in a variety of shapes and sizes and in which'theV several parts maybe held together by means o! `friction alone thereby eliminating'welding.,

soldering, drilling, screws, rivets,` or `the like.` 1 10 It is a further object to provide an improved plating rack of the above character-which may be used to hold or suspend many different types' of articles which it is desired to electroplate with a minimum of interference with the surface l be plated. t l

`Another yobject is the provision. of an `iinproved electroplating rack which is `free from sharp bends or angles so that a coating of into, if desired. Among other objects is the provision of an improved plating rack of simple, economical construction which is easy to assemble and yet` which will be able to withstand substantial usage with comparative freedom from breakage or Wear.

In the accompanying drawings- Fig. 1 is an elevational view of a plating rack embodying Vmy invention; i, HFig. 2'is'a sectional view in then direction of t the arrows on the line z-z of Fig. 1 indicating the manner in which theprongs on my rack "may be used to hold o r suspend 'articlesf i Fig. 3 is e detailed view in perspective o: a 35 portion of the `rack showing the manner in which in which the racks are supported `from the frame in the form of my invention shown in Fig. 6; and Fig. 9 shows a further modified form ot my invention in which the supporting cores or rods are curved. Y

My improved rack consists primarily of a plurality of supporting cores or rods having gripping 55 prongs intertwined or`inter1aced therewith `in such a' manner as to hold` the several parte 'inassembled relationship by means; `of` friction" aloner Referring now to the flrstfour ilguresof` Y `my, drawings it will be seen thatlhaveprovided three parallel supporting cores or rods,` tliefcen ytial core or rod indicated by thenuineral Il Y oi" somewhat greater diameter than` the jtwo` auxiliary cores or rodsjl [which `are disposedfon opposite sides :of the central core'or rod.1 Q rods may be formed of 'any material for use inA electroplatingracksinorefsboiflcllyal 3 metal such as copper, bronze, orjtheliketgi'fhe m central core or rod IB lpx'eferably-'extndstup-m 9 wardlyv beyondthe smallerro'ds asfindicatedffat i2 and maybe provided with/a hookedportion f 'Il at the top thereofwhereby the. racklmaybe f suitably supported in the `electroplating bath;-

As previously stated, the prongs whichare in`- dicated generally by the numeral i5 are `intel'-` twined or interlaced with the cores i0 and Il: in` t such a manner as to hold the cores andprongs v wardly-facing hooked portions i1 at the ends thereof. The inner ends of the prongs are provided with the looped portions I8 for extending around the cores Il and the intermediate oppositely disposedloop .portion I9 adapted to extend in front of thev vcentral core lli. In this way, as `clearly shown in Figs. 2 and `3, the prongs may be intertwined or interlaced with the cores I0 and..." much in the manner of the filler threads of a piece oi textile fabric. The sets of l prongs are preferably formed in pairs extending in opposite directions and in this way the loops i8 and I8 of adjacent prongs intertwine with the cores Iii and II in opposite relationship with the result that the cores and prongs are ilrmly held in position. In the drawings the prongs are shown as made of strandswhich are round in cross section. However, it should be understood that they may be made of relatively ilat strips or of strands of any desired cross sectional shape.

It will be appreciated that the length of the cores and the relative spacing, arrangement, and number of the prongs I5 may be varied, it merely being required that some of the prongs face in one direction and other of the prongs face in the opposite direction in order to obtain the desired intertwining relationship.

In using my improved plating rack any arti- 3 ,maybe hu cle which it is desired' to electroplate is attached `to or supported from the prongs I 5 and the rack is suspended in the electroplating bath and the process is conducted in theusual manner.A My

, prongs may be used for holding articles of many different types. Thus, as shown on the right e hand side-of Fig. 2, by compressing the two arms I 6 of a prong so that they overlap and the hooked -I portions I1 are disposed in confronting relation- I set of prongs and inserting them inside the meml ber. Due to the inherent resiliency of the prongs the tubular member will be firmly held in position. In addition to supporting articles in the manner illustratedvin Fig. 2 strings or the like Vmay be vattached to the article and suspended from the prongs or in some instances the article l n or suspended from one of the :arms

tasetLOf Primes,

improvegprackmay hev made in a variety of inaiidltiop.v toproviding' the central core IIIand an xiliarycores Il I may also provide two additional uxlliarycores II disposed on opposite re |01 and '.correspondingin size auxiliary cores II. The cores II\,are:.preferably disposed intermediate the'twq'olfesf gl withthe result .that ran auxiliary core isjdis'posed on each of four sides of the center core It. vProngs I5' corresponding to the prongs I5 are intertwined with the cores Il' andl IIl prolecting from opposite sides thereof in a manner corresponding to the arrangement of the prongs l5 and their associated cores i I and I0. Alternate prongs I5' preferably project from opps'ite sides of the rack so that it will be seen that prongs project from four sides of the rack at angles of 90 degrees with respect to each other. The rack shown in Fig. 5 maybe supported in .any desired manner as, for instance, by the arrangement shown in Fig. 1. Articles to be electroplated are assembled on the prongs I 5 and l 5' in the same manner as in the iirst form of my .f invention.

Instead of supporting each rack from a. sepa- Y rate supporting hook I4 I may mount a plurality 4of racks on a single frame as shown in Figs. 6

d ifil'ere #Shapes-andforms. Thus las shown in member and the ends of the two auxiliary cores II disposed on the opposite face so as to provide a clamping action. To iirmly hold the racks against accidental shifting'relative to eachother the frame member 24 may be notched at intervals as shown at 26. -When assembled the racks are arranged so that the central cores I0 engage the notches 26 as shown.

In an arrangement such as shown in Figs. 6 to 8 the frame may be supported by the hooked portions so vthat the racks are disposed in the electroplating bath. The articles to be electroplated are supported on the prongs I5 inthe manner previously described.

. The modification of my invention shown in Fig.

A9 illustrates that the cores may be curved or formed to any desired shape. Thus, as shown, the central core- I Il and auxiliary cores II are curved in an arcuate shape, the prongs I5 being secured thereto in the same manner as previous- 1y described. 1f desired, in the modification shown in Fig. 9 the cores may be curved so as to form a continuous loop or circle.

Each of the modiiied forms of my invention are used in the manner previously described with the prongs engaging the articles to be electroplated and the entire rack suspended in the electroplating bath. Where it is desiredto usethe rack as an anode rack suitable insulation may be interposed between the cores or rods I0, II and I I' and the prongs I5 and I5'. It will be appreciated that an insulating coating material such as Korol'ac may also be Vreadily applied to the racks in the usual manner when desired.

From the foregoing description of the several forms of my invention it will be appreciated that I have provided an improved rack of simplified economical construction which may be formed to 8. Thusit will be seen that I provide a plu- .rality 'of racks arranged in parallel relationship and supported in a unitary U-shaped frame 24 the two ends kof which may be hooked and shaped as shown at 25 so as to provide convenient means V`for suspending the framev in an electroplating bath.: The frame 24 maybe made of similar materialfto the cores III and II. The rack .shown in Figs. 6 and 8 are similar in construction to the in a variety of shapes and sizes which eliminates drilling and the use of welding, soldering, screws, rivets, and the like and which is easy to manufacture and assemble.A It will also be appreciated that the articles to be plated are supported by the rack in sucha manner so as to provide a minimum of interference or obstruction to the surface to be plated.

It should be understood-of course, thatv modifications may be made in the illustrated and described embodiments of my invention without departing from the invention as set forth in the accompanying claims. Thus the cores or rods I0, vII and II Aand the prongs 4I5 need not be cylindrical in shape but mighty be .made from stock which is polygonal or of any desired cross section shape. Where the cores or rods are made of stock which is polygonal in cross section or of irregular shape the prongs are preferably bent so as to conform to this shape so as tomake a tighter contact between the members.

Y 1. A plating rack comprising three elongated cores arranged in substantially parallel relationship, and a plurality of prongs for supporting articles to be plated, each of said prongs comprising a strand of resilient wire interlaced with said cores by extending the wire substantially half way around each of the outer lcores onone side thereof and substantially half way around the #intermediate core on the `opposite side thereof, one of said prongs being interlaced with said cores in oppositely extending relationship to another of said prongs so as to retain the cores and prongs in assembled relationship without the aid of additional connecting. means.

lel relationship and a plurality ot prongs for supporting articles to be plated, each of said prongs T comprising a strandof resilient wire interlaced with said cores by extending the wire substantially hai! way around each core. the wire being asta-391 4 3 extended around the sides of adjacent cores and one of said prongs being interlaced with said cores in oppositely extending relatiom.

ship to another oi said prongs so as to retain the cores and prongs in assembled relationship without the a'id of additional connecting means.

` JOSEH NOVITSKY.

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