US1538231A - Burnishing barrel - Google Patents

Description

May 19, 1925. 1,538,231

G. E. ABBOTT BURNISHING BARREL Filed April 18, 1922 2 Sheets-Sheet l E/VTOI? %'Y G. E. ABBOTT BURNISHING BARREL Filed April 18, 1922 2 Sheets-Sheet 2 tion.

Patented May 19, 192 5.

i sures esca es nnB oTT, OF WEST HARTFORD CQ-NNEGTZCUT, nssrenon To THE ABBOTT BALL centre-NY, or WEST HARTFORD, oommoTieoT, A CORPORATION or con- 'NECTICUT.

BURiiisHING BARitiii.

{Application fired April is, n22. sense at; 555cm.

To all whom it may concern;

' Be t known that I, Genet E. ABBOTT, a citizen of the United States, and aresident otlVst Hartford, in the county of Hart 5 and and State of Connecticut, have invented a new and Improved Burnish'ihg Barrel, of which the followin is a specification.

My invention relates to the class of dell? vices employed for imparting afinish to metallic articles, and an object of my inventioi'i,

among others, is ,to provide ad'evice of this class that shall be particularly convenient to use, and one in which the results obtained 5 shall be particularly effective.

One form of burnishing barrel en'ibody ing my invention and in the construction and'use of which the object's herein set out, as Well as others may beattain'echis illustrated in the accom anying; drawings, in

which i v Figure l is a vieiv in end elevation of a tarnishing barrel embodying my il'ivention with parts broken away'to shoi'v construc- Figure 2 is a view in side elevation of said barrel With parts broken away to sh'oW. construction.

Figure 3 is a detail view of the upper part of the receptacle or barrel, partially broken away, and illustrating the work holder mounted for free rotation. v

Figure 4 is a detail end View, scale enla'rged, of the Work holder shown as removed from the receptacle and of alittle dilf rent construction from that shown in Figures 1 and 2. y e p Figure his a view in front elevation of the Work holder sh'oxvn iii Figure 1.

' Figure 6 is afdetail View of a Work holder "support mounting a plurality of Work holders. g

Fi ur'e 7 is a-nen d View oi the same, 7 T Figure 8 is a view looking toward the under surface of the work holder;

It has been fcus'to'mary heretofore, in the construction and use of burnishing apparatus, to secure the articles to be burnished ithin the burnishing receptacle to rotate therewith, and to permit the burnishing material, that is placed loosely in the receptacle, to freely act up'onsucharticles as the receptacle {is rotated. I have found that if the articles to be burnished are permitted or caused tote moved Within the receptacle,

improved results in the burnishing operation are obtained, and it is, the'rei?ore, a purpose of the present invention device in whichjinovenient of the articles to bebnrni'sh'ed with respect to the burnishing material shall i While such articles are secured to a support, and the present invention, therefore, cont'cmplates any structure in which such relative .n'io'vcmen't of the articles to be butnishe'd, with respect to the burnishing material and While secured to a support, shall be caused or permitted. Di fierent arrange ments of mechanism for securing this result are illustrated in the drawings herein in which the numeral 5 indicates standards for the support of trunnions 6 projecting" from opposite ends of a receptacle 7 within which the articles to be burnished are placed. This receptacle is rotated as by means of age i- 8 meshing with a pinion 9 secured to a driving shaft 10 that may be driven as by means of a belt passing over pulleys 11 in a manner that will be readily understood. I I The receptacle illustrated herein is in the form of an octagon, the several flat sides being provided with openings 12 that are closed by ivork holder supports 13 nicely fitting said openings and held in place as by means of springs let secured by cover plates 15 held by cover clamps 16. The ends of vthese cover clamps engage underneath clamping shoulders 17 formed on the ends of the receptacle, and the cover plates are secured to the cover clamps asby -means of cover studs 18, and clamp bolts 19 may be e'l-nployed to force the cover plates into close contact with the outer surface of the receptacle, a packingQO being employed, it desired, between the cover plates andthe outer surface of the receptacle. All of the parts thus far described comprise the subject matter of an invention heretofore made by me and embodied in application filed August 26, 1921, of Serial-Number 495,521, and, therefore, except in connection with elements to he hereinafter described, form no pa'rt of the present invention; 7 y

In the use of devices of this class it is very desirable that the receptacles be kept in continuous operation and, therefore, that means be provided for quickly placing the articles to be receptacle, and to thisend removable Work to provide a e caused orpermitted, and

burnished in position the V holder supports are provided and to which supports the articles to be burnished may be fixed when the parts are removed from the receptacles and while the receptacles are in operation, and which supports may be quickly secured in place when the receptacle is stationary for the purpose of removing therefrom supports carrying ar ticles burnished within the receptacle and for securing the other supports having articles attached thereto within the openings in the receptacle. In that form of apparatus embodying the invention and especially as illustrated in Figures 1 and 2, work holders are preferably removably secured to the work holder supports, these work holders comprising bearing arms 21 projecting away from the face of the work holder supports and comprising bearings for work holder shafts 22 mounted in said arms and having work fixtures 23 projecting therefrom. These work holders will be of any suitable construction and arranged to hold the articles to be burnished, such fixtures illustrated herein being in the form of screw studs to receive the screw threaded openings of articles to be burnished, as for illustration, oil cans 2 1, which articles, as, cans, are placed in the receptacle for the purpose of being burnished.

As hereinbefore stated it is desirable to impart movement to the articles to be burnished, and for this purpose shafts 25 are rotatably mounted in one end of the receptacle, extending from the interior of the receptacle to the outer side thereof through openings that will be supplied with suitable means for preventing escape of liquid from within the receptacle. These shafter have pinions 26 meshing with a gear 27, the latter being loosely supported on one of the trunnions 6, but held against rotation in. any suitable manner as by an arm 28. The inner ends of the shafts 25 will be provided with any suitable means for removably engaging the ends of the work holder shafts 22, such means being so arranged that the shafts 22 may be readily disengaged for the purpose of removing the work holder supports 13. In the form herein shown a squared socket is formed in the ends of the shafts 25 to engage the squared ends of the work holder shafts 22, the engagement being loose enough to permit ready disengagement of the aarts.

In the operation of this device it will be readily seen that when a burnishing operation is finished the openings to the receptacle may be readily uncovered, and the work holder supports removed therefrom, and other work holder supports immediately placed therein, and while the receptacle is in operation to burnish the articles just placed therein the burnished articles may be detached from the removed work fixture and other articles to be burnished secured thereto ready for the next operation. As the receptacle is rotated the pinions 26 in mesh with the stationary gear 27 will cause the holder shafts 22 to be rotated, and the articles to be burnished will, therefore, be rotated through the burnishing material located in the receptacle, and such material will also be separately moved by centrifugal action and by gravity as the receptacle is rotated.

While I have shown in the apparatus above described work holders as positively driven within a rotating receptacle I contemplate many other arrangements for securing this result, as for instance a work holder shaft 29 loosely mounted in the arms 21 and as illustrated in Figure 3 of the drawings. In this arrangement the work holders with the articles to be burnished thereon will be permitted to rotate by action of the burnishing material upon such articles, and by gravity, centrifugal forces and the like.

In the structures herein shown the burnishing receptacle is rotated while the work holder shafts are positively driven or free to rotate, but I contemplate structures in which the work holder shafts may be so arranged and in which the receptacle need not of necessity be rotated, but in which the relative movement between the burnishiug material in the receptacle and the articles to be burnished may be otherwise obtained.

In that form of my improved structure shown in the enlarged views in Figures t and 5, the work holding fi ures are separately formed from a freely rotatable shaft 30 and are secured thereto in sets 31, each set comprising a number of radial arms, three being illustrated, which arms are formed at their ends for attachment to the articles being burnishec. The sets are spaced one from another by spacers 32, and said sets and spacers are secured in place as by means of nuts 33 engaging screw threaded end portions of the shaft. The sets of holders are so arranged that the articles to be I burnished may overlap one another as illustrated in Figure 5 of the drawings.

In that form of work holder illustrated in Figures 6 to 8 inclusive the work holder shafts, instead of having their axes parallel with the inner face of the work holder support 13, as in the devices shown in the preceding figures of the drawings, have such axes arranged perpendicularly to the inner face of such support. In this construction a supporting strap 34 is secured to the end of supporting posts 35 secured to the work holder support 13 and projecting from its inner face. Work holder shafts 36 are rotatably mounted, one end of each shaft being mounted in the work holder support and the other in the supporting strap 34. These shaftswill be provided with any suitablemeans to receive the articles to be burnished, which articles are in for the reception of articles to be burnished, a work holder support closing said opening, a work holder mounted upon said support withm the receptacle, m'eans for causing relative'movement betweensald holder'and said receptacle and burnishing material within the receptacle, said holder including means to removably receive articls to be burnished.

2. Ajreceptacle having an opening thereinto,,a work holder support closing said opening, a. Work holder rotatably mounted in bearings carried by said support within the receptacle, means forcausing relative movement between said holder and burnisln ing material within the receptacle, and

means upon said holder to removably receive articles to be burnished.

3. A receptacle having an opening to its interior, a Work holder support reniovably secured within said opening, -arms projecting from said support, a work holder shaft rotatably mounted in'said arms, and means upon said shaft to remova'bly receive articles to be burnished. Y

4. A receptacle having an opening to its interior, means for rotating the receptacle, a work holder support removably secured Within saidopening, arms projecting from said support, a work holder shaft rotatably mounted in said arms, and means upon said shaft to removably receive articles to be burnished.

5. A receptacle having an opening to its interior, a work holder support removably secured Within said opening, arms pr0 ecting from said support, a work holder shaft rotatably mounted in said arms, means for rotat ng said shaft, and means upon said shaft to removably receive articles to be burnished. H v A 6. A receptacle having-an opening to its interior, a work holder support removably secured within said opening, arms projecting from said support, a work holder shaft rotatably mounted in said arms, means detachably engaging said shaft and arranged to rotate it, and means upon said shaft to reinovably receive articles to be burnished.

7. A receptacle having an opening to its interior, means for rotating the receptacle, a work holder support removably secured within said opening, arms projecting from said support, a Work holder shaftrotatably mounted in said arms, and work holdersprojecting laterally from said shaft and having means to removably receive articles to be burnished. I

8. A receptacle having an opening there- I into for the reception of articles to be burnished, a work holder support closing said opening, -a Work holder mounted upon said support" within the receptacle, means for causing relative movement between said holder and said receptacle and burnishing material within and independently of the receptacle, said holder including means to removably receive articles to be burnished.

' GEORGE E. ABBOTT.

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