US1085744A

US1085744A - Electroplating-rack.

Info

Publication number: US1085744A
Application number: US76614713A
Authority: US
Inventors: Clarence Edward Leffel; John David Leffel
Original assignee: SPIRELLA Co Inc
Current assignee: SPIRELLA COMPANY Inc; SPIRELLA Co Inc
Priority date: 1913-05-07
Filing date: 1913-05-07
Publication date: 1914-02-03
Anticipated expiration: 1931-02-03

Description

G. E. & J. D. LEFFBL. BLEUTROPLATING RACK. APPLICATION FILED MAYJ, 1913.

1 ,085,744. Patent zed Feb. 3, 1914.

I the electrolyte,

mg is a spec CLARENCE EDWARD LEFFEL AND JOHN DAVID LEFFEL,

YORK, ASSIGNORS TO THE or NIAGARA FALLS, NEW

SPIRELLA COMPANY, INCORPORATED, OF NIAGARA FALLS, NEW YORK, A CORPOB A'IION 01 NEW YORK.

BLEGTROPLATING-RAGK.

Specification of'Letters Patent.

' Patented Feb. 3, 1914.

application filed Iay 7, i913. Serial No. 766,147.

To all whom, it may concern:

Be it known that we, CLARENCE EDWARD LEFFEL and Jomq DAVID LEFFEL, both residents of Niagara Falls in the county of Niagara and State of llew York, have invented a new and useful Improvement in Electroplatin -Ra.'cks, of which the followication.

This invention troplating tanks;

The object of the invention is to provide a simple form of plating rack for carrying or supporting in the electrolyte solution the articles to be plated, and wherein a large number of articles can be suspended out of contact with each other from the same rack, therebv'securing a" good plating action.

A further object of the invention is to provide a plating rack in which the supports for the various articles are formed with a very small surface in contact with to thereby reduce the amount of metal deposited upon the supporting members, increase the capacity of the plating tank, and decrease the resistance of the tank, which is usually increased by the deposition of large quantities of the metal upon the supports for the various articles.

A further object of the invention is to provide a plating rack embodying adjustable means for supporting the same at any level beneath the conducting bar, so that the articles can always be immersed. at the proper depth in the electrolyte solution, irrespective of its level in the tank.

In the drawings, Figure 1 represents a detail side elevation of a plating rack embodying the invention; Fig. 2 is a similar view, showing the rack adjusted to a different position; Fig. 3 is a plan view of the rack; Fig. 4 is a detail section on the line H, Fig. 1; Fig. 5 is a detail cross section on the line sectional elevation, on a reduced scale, through an electroplating tank, showings plating rack in position therein.

Relates to racks for elec- The electroplating tank or cell is indi-- cated preferred size, shape or construction. Above at 1, and may be of any suitable or,

.the tank is suitably supported a conductor.

suspended in the usual manner.

bar or bars 2, from which the anodes 3 arc 4 representsconductor bars, rods or tubes, l

.vided with upstanding of which there may be any suitable number, from which the electroplating rack and the articles to be plated are suspended.

The electroplating rack comprises a body member 5, in the form of a long bar or rod, which may be of any suitable shape in cross section, in the present case rectangular.

aid bar or rod at its opposite ends is prolugs or cars 6, to which are pivotally connected, as on the rivets 7 a pair of suspending or supporting arms 8. ese arms cross each other above the middle of the bar or rod 5 and are provldod at their upper ends with book members 9, adapted to be hooked over or around the conducting bar or rod 4. The arms 8 are shown as formed of round bars which are flattened where they cross each other, as at 10, the flattened portions being providedwith longitudinal slots or openings 11 through which passes a connecting rivet or pivot member 12. Pivot 12 is slidable loosely-in the longitudinal slots of both ofthe arms 8, for a purpose to be hereinafter referred to. i

The main body member or bar 5 is provided along its length with a plurality of closely spaced transverse apertures or openings 13, throu which are threaded the supports 14 for the articles to be plated. As shown, these supports are formed of wire of small cross section, and which may be made of any per, aluminum, German silver, steel or the like. The individual supporting members are of U-shape, with their opposite arms threaded through a pair of adjacent apertures 13. The free ends'of the supports are bent or deflected downwardly at the sidesof the main body member 5, as shown in Fig. 5, and their lower ends are bent into any suitable hook form to receive the articles 15 to be plated. Preferably, the apertures 13 are made of a size to receive two of the arms of oppositely disposed supporting members 14, as shown in Fig. 4. Obviously, other arrangements for lacing the wires forming the supporting members 14 through the apertures in the bar 5 may be used, although the arrangement shown is preferred. In any event, such a lacing arrangement will be used as will provide downwardly extending hooks or arms at each end of each of I the apertures 13, thereby obtaining the v the longitudinal slots 11 during adjusting maximum number of supports for the articles 15.

The arms 8' which support the plating rack are adjustable with reference to each other so as to enable the rack to be suspended at diflerent distances below the conductor bar 4:, thereby enabling the articles 15 to be plated to be full immersed in the electrolyte, irrespective 0 its level, without unduly immersing the plating rack. Com parison of Figs. 1 and 2 shows how the arms can be adjusted with reference to each other by merely altering their angular relation, the pivotal rivet 12 sliding lengthwise in movement of the arms with reference to each other. I p

16 represents a loop of strong wire or the like which is passed around the two arms 8, and the opposite ends of which are adapted to engage in notches 17 'formed in said arms. By placing the loop 16 in the proper pair of notches 17, the arms 8 may be lo-- cated in any position, with the main body member5 at the proper distance above the surface of the electrolyte to just immerse the articles 15 therein.

The body member 5 and arms 8 maybe formed of any suitable material, and preferably of copper, steel or other metal of good electrical conductivity, although any con:

ducting material may be used.

The articles to be plated are suspended from the several hooks 14 and the arms 8 are then adjusted to the proper position with respect to the level of the electrolyte in the tank. The hooks 9 are then placed over the conductor bar 4 and the articles allowed to remain in the electrolyte until fully plated. The plating rack with the articles thereon is then removed bodily from the plating tank and the articles washed or cleaned in clean water and then removed from the rack, which is used over again.

The rack described is of large capacity,

that is, it enables a large number of articles to be\plated in the same tank at the same time. The articles may be supported out of contact with each other so that a good plating effect u on all articles is obtained.

Moreover, t e supports. for the various articles are formed of wireof comparatively small cross section, so that the total surface of the supports immersed in the electrolyte is very small. Ijhis reduces the amount of metal plated upon the supports and therefore increases the capacity of a given tank. Moreover, it takes a longer time for the metal to deposit upon the supporting wires to such an extent asto appreciably afiect the resistance of the tank, so that the supporting wires only have to be renewed at infrequent intervals. When coated to such an extent as to affect the resistance of the tank the wires can bereadily removed and new wires threaded through the openings 1 the bar or rod 5.

What we claim is 1- 1. A. platin' rack comprising a bar or rod provided wit a pair of horizontally disposed apertures exteriding therethrough from side to side, means for suspending said supporting articles to be plated, comprising a pair of U-shaped wire members, each memterminal hooks, the arms of said members being threaded through said apertures inopposite directions to provide a pair of depending hooks on each side of said bar.

2. Aplating rack comprising a bar or rod provided with horizontally dlsposed apertures extending therethrough from side to side, means for suspending said bar or rod from a conductor, and means for supporting articles to be plated, comprising U- shaped wire members, each having two-parallel arms provided with terminal hooks, the arms of one *member being threaded through a pair of said apertures in one dipair of depending hooks on each side of said bar.

3. A lating rack comprising a bar or rod provide with a plurality of closely spaced apertures therethrough, means for suspending said bar or rod from a conductor and means for supporting articles to be plated,

said members having a pair of arms provided with terminal hooks, the arms of each member being threaded through a pair of apertures-in said bar with the hooks of each {)nember depending onv the same side of the 1-. A ilating rack comprising a bar or rod provide with a plurality of closely spaced apertures therethrough, means for suspending said bar or rod from a conductor, and

comprising a plurality of U-shaped wire .members, each member having two parallel arms provided with terminal hooks, the arms of each member being threaded through a pair of adjacent apertures in said bar in the same direction, the hooks on the arms of some members depending on one side, and the hooks on the arms of other rod.

ber, means secured thereto for supporting articles to be plated, and a pair of arms connected together, said arms belng provided with hooks adapted to be placed over a conductingbar.

bar or rod from a conductor, and means for her having two parallel 'arms provided with- 5. A plating rack comprising a body mem rection, and the arms of another member being threaded through a pair of said apertures in the opposite direction, to provide a comprising U-shaped wire members, each of I means for supporting articles to be plated,

members on the other side of said bar or secured to said body member and pivotally 6. A plating rack comprising a body member, means secured thereto for supporting articles to be plated, a pair of arms pivotally connected to said body member and to each other, said arms being arranged for connection to a conductor, and means for look ing said arms in various angular relations.

7. A plating rack comprising a body member, means secured threto for supporting articles to be plated, a pair of arms pivotally connected to said body member, said ber, means secured thereto for supporting articles to be plated, a pair of arms pivotally connected to said body member, said arms intermediate their ends being provided with longitudinal slots, a pivot member passing through the slotsbeing arranged for connection to a conducting member, and a loop passing around said arms for locking the same in different adjusted positions.

In testimony set our hands.

CLARENCE EDWARD LEFFEL. JOHN DAVID LEFFEL. Witnesses: HARRY E. WInLIAMs,

HAZEL E. BEEGLE.

whereof we have hereunto of said arms, said arms