US976342A - Rust-cleaner. - Google Patents

Description

C. R. CANNON. A RUST CLEANER.

APPLIUATION FILED APR. s, 190e.

9?@342. Patented Nom?, 1910.

m @f i wim/5885s.

ATTUHNEY TED s'rA AES n rr. nro.

CHARLES R. CANNON, or CLEVELAND, OHIO, AssIcrNoR 'ro THE BRo'WN HoIsTING MACHINERY COMPANY, or CLEVELAND, 10H10. y

RUST-CLEANER.

Application :filed April 8, 1909.- Serial No. 488,783.

To all whom 'it concern: f l

Be it known that I, CHARLES R. CANNON,

a citizen of the United States, residing at Cleveland, in thecounty of Cuyahoga and State of Ohio, have invented a new and nseful Rust-Cleaner, as to which I hereby declare the following to be a full, clear, and

exact description, reference being had tothe accompanying drawings, made a part of the specification, `wherein through the several 'figures the same parts are designated by the same letters.

Myinvention, so 'far as its greater use is concerned, relates more. articularly to thecleaning, or removing, o rust that has developed on the surfaceV of metallic material l which has lain or been idle for some time, as

in'stock, or :in partially finished structures. Its use, generally speaking however, as will occur upon consideration, is not conlned to such employment, since the process is equally applicable to the cleaning of castings of va- `rions kinds, removing the spelter from brazings, barnacles from ships, and other like operations.

In modern steel construction, as in buildings, bridgesand heavymachinery, it is a usual practice to rivet, in place and together-generally at the shopthe contacting surfaces of the two pieces or parts that are to enter into theconstruction. Before this, however, said surfaces are given one or more coats of palnt, but, because any rustpainted portions of the surfaces, will scale off and leave such portions unprotected `against further oxygenationit is first necesin the manner just referred to, they are,A

often, delivered at the site for erection or assemblage, and, before finally put in place, their remaining surfaces are rust-cleared and painted. Y.

Vv-he object of my present invention is to afford amechanical means of. surface-cleaning that shall be convenient for handling, speedy in action, and thorough, uniform and economical in use and results.

In thedrawings Figure 1 shows a machine embodying the invention,as a whole, when in a working position with` relation both to the work and the workman.- Fig. 2, is an end'vieur of the machine in the direction of the arrow in Fig. l. Fig. 3 is a sectional view of thesame on the lines y, y, of Fig. '2,

with certain details omitted, anch-Figs.V 4c, 5,

Spee'iication 'of Letters Patent Patented Nov, 22, 1910,

6 and 7 illustrate 'different positions the` Y cleaning-blades Will assume during opera-- tion.

ized as composed or made up of a hub-like drum or cylinder, of suitable material, eithersolid-or, hollow,- as inpthe drawings, with the interior occupied by a resilient substance to reduce vibration or chatter,- and, an annular plate, aboutv said cylinder, that carries Vat various exterior points thereon a transverse series o f radially oscillatory blades or plates.A

Pointing out the several constituent parts or features of the device, A represents the cylinder or'collar, just referred to. This is-hollow, and is counterbored and'threaded at each end, and, hasits outside diameter shortened, at such. points, into annular recesses.

R is an interior closely fitted rubber filling or packing, with a central bore, lengthwise of the same, to receive the spindle L of a motor or other actuating medium.

For convenience or advantage in connectingsaid medium tothe cleaner, the filling R is shorter, axially, than the circumscribing cylinder, to give room, within the latter, for a washer W, and, a following nut E on the forward' or projecting end of the spindle L. Fitted in and around the annular vrecessesV referred to'above, are parallel and oppositely related pairs of circular side or dish-plates D, which are offset at their 'central portions and secured in their places by the nuts N one of which may be termed a head for said cylinder A that are screwed into the threadedcounterbores, pointed out before, inthey cylinder A. 'At intervals across and between said side or dish-plates D, near the circumference of the latter, are pins P, whose ends are shown as terminating in pivots p, p, that penetrate opposite bear'- ing apertures in the platesl D for the purpose, and, Vthreadedfupon said pins, through oval slots S in the same, are a series of blades B, of suchnumber, in each case, as together to constitutejajworkin fit on the pins. Such slots areV given a ongltudlnal The machine,`itself is broadlycharacter-- dimension corresponding with the oscillatory movement or play that, in view of the conditions in a'g1ven case, it is desired or calculated such blades should have. The blades of each series are separated, one from the other and from the lates D by intervening Washers fw. The bla es, themselves, are Hat, rectangular metallic plates, of slight relative thickness as compared with their other di-` mensions. They are, preferably, slightly curved at their corners, or cutting points,

. and the latter, as well as the bearing points The motor or driving mechanism (shown as M in Fig. '1) must be of high speed-- as will be apparent-in order to insure an effective working of the device, a rapidity of as much as two thousand revolutions of the spindle L, per minute, being desirable. This not only to give the cutting blades B, themomentum and force to strike and clear oli therust they encounter but also, to insure that the centrifugal force en endered shall be adequate to maintain sai blades in a firm radial position on their pins throughout the entire revolution of the cylinder, and dish-plate to which Athey are attached. 4

The variousparts ointed out having been operatively connecte to ether in theirseveral places, as describe and, the'spindle actuating-mechanismv set 1n motion or 'manifest The 'centrifu started, the operation of thecleaner will be and action of the blades, under these latter conditions, and make clear aA special utility or advantage from said peculiar or special isnoyelients in the operation of the machine.

D, during-a revolution of the latter. The same corner of'a blade, in each of these figurcs, 1s denoted, respectively, by the letters a, b, c and'd, the arrowst and t poin the y direction or tendency of the blades B, and

i contact with the surface of t the plates Dunder the immediately impelforce in each case. In Fig. 4,- said cyl-2 m e r has brought the cuttiuglcorneI a( 1ndtio e wor -m cated C these four ligures, and in F` 1) w e sald cylinder is revolving in the 4 rectlon of the arrow t. Said contact ml force thereby dee movement es show various' relative positions of the lades to the. cylinder A'and plates amada parts to the blade a tendency to move, around the pivot or pin P, in an opposite d1- rection, to the plates D, but, against the force both of its weight, and the centrifugal forcev f that tends to carry the blade away from said pin, radially with respect to said cylinder and plate. The Ylatter causes, when the moment of contact shown in Fig. 4 has passed, are suiiicient to so far overcome the opposite force,'or tendency in the direction of t, as to carry the blade B backwardly, up and around its pin P, into the positions severally shown in Figs. -5 and ,6, where (in Fig. 6) the center of gravity of theblade is 0H and, to the right of the pivotal or bearing point P, and, the blade is,consequently, instantly whirled into -a radial position, with respect to the cylinder A and plate D, and maintained in such relation throughout the revolution. A desirable result is that the blade is completely reversed during each revolution, the.

machine shown, the different series of blades can be'completely reversed, with res'lpect to the spindle L, so that the ydiagona y opposite cutting edges b and' d maybe brought into action mstead of the edges a and c.

This is readily effected by simply unscrewing the nut E and withdrawing thespindle from the packing R. Saidpacking isthen slid within the cylinder A into thespao before occupied by the nut and washer, N and W, the machine turned end for end and replaced upon the spindle against the collar.

F thereon in the same-manner, only reversed, as at first.

While I show, in this ap lication, a s ecie machine, made up ci) definitely escribed parts or members, it is not intended in the broader claims herein, to limit my invention to the recise forxnof the same or of said arts, t e cylinder and side or dishlates,- or instance, maynot be separable om each other, but integral, and the latter may be in the shape of parallel ears or supof a central rotatoryfhub, o positel arranged supports' roject-;

mg ra ally omA the ends thereo transverse pins between and carriednby said supports, togetherwith a series of cutting lades loosely threaded upon said pins, through longitudinal slots therein, and suitable means for operatively connecting said hub with a rotatively actuating motor therefor,substantially as shown and described.

2. In a rust-cleaning device, the combination, with avcylindrical rotatory head, of -oppositelyy arranged supports projecting radially therefrom at, the ends thereof, transverse pins between and carried by said Supports, and a series of oblong cutting blades threaded upon said pins through longitudinal apertures in said blades provided for the purpose,.substantially as shown and dlescribed.

3. In a rust-cleaner, the combination with a central hub, vor, cylinder, of .annular flanges or disk-like plates, projecting radially from each end thereof, transverse pins between and supported by said plates, to-

gether with a series of oblong cutting blades, threaded upon said pins, through lslot-like apertures longitudinally of the same, substantially as shown and described.

4. In a rust-cleaning` device, the eolnbination with a rotatory head, of annular flanges or disk-like plates, projecting radially from and detachably connected to the ends thereof, transverse pinsbetween and supported by said plates, together witha series of 0blong cutting blades, loosely threaded upon said pins, through v longitudinal slots or apertures in the same provided for the urpose, substantially as shown and desc-ri d.

5. A rotary cleaning device comprising a 'pair of spaced side plates having means plates and, at substantiall whereby they may be mounted for rotation, a plurality of transverse pins arranged about the center o f rotation of the side equal ldistances from such center, and a p urality of blades 'mounted upon each pin and having the openings-through which the 4pins pass larger than-the diameter of the pins.

6. In combination in acleaning device, a pair of spaced vside -plates having offset portions, a plurality of bearing pins between the side plates, blades thereupon, a central collar provided with ahead at one end and fitting into the offset on one ofthe plates and a nut on the other end of the collar engagingthe o'lfset portion on the other plate.

7. A rotary cleaning device comprislnga driving shaft, a rotary head or hub-like part secured thereto, a transverseseries of cutting blades, and pins upon which said blades are' radially vpivoted at the periphery of the vhead through openings in said-blades larger than the corresponding portions of the pins upon which the blades are mounted.

8. A rotary cleaning device comprising the combination of a rotary head or hublike part and a series of' cutting blades ar- Vranged transversely thereof and pivotally connected thereto by a common pin or journal that passes through openings in said blades larger than the corresponding portions of the pins.

CHARLES R. oANNoN.

l In presence ofi A. M. MERRYWEATHER, L. P. LIrPs.

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