US2167059A - Buffing wheel - Google Patents

Description

J. F. WHITE BUFFING WHEEL July 25, 1939.

Filed Aug. 12, 1958 2 Sheets-Sheet 1 INVENTOR. flit in) M ATTORNEY. I

July 25, 1939. J. F. WHITE 2,167,059

BUFFING WHEEL Fil ed Aug. 12, 1938 2 Sheets-Sheet 2 ,7 INVENTOR.

ATTORNEY.

Patented July 25, 1939 UNITED STATES PATENT OFFICE Claims.

My invention pertains to certain 'novel and improved structural and functional betterments in Ventilated or cooled buffing-wheels and their mountings, one leading object of the invention 5 being to provide a new type of structure which more adequately controls the temperature of the fabric-elements of the wheel while in operation, and more particularly the inner or middle portion of the wheel.

Another aim of the invention is to supply a buffing-wheel of the style referred to which is relatively simple in construction, and hence comparatively economical to manufacture.

A further purpose of the invention is the provision of a buffing-wheel which is efiicient in operation and which is unlikely to become damaged or injured in ordinary serfice.

An added design or intention of the invention is the furnishing of a hurling-wheel which may be mounted on, and demounted from, its supporting and operating spindle or shaft with ease and dispatch.

To enable those acquainted with this art to understand the invention fully, two present desirable embodiments of the same have been illustrated in the accompanying drawings to which reference should be had in connection with the following detailed description, and, for simplicity, like reference numerals have been provided throughout the several views to designate the same parts of the construction.

In these drawings:

Figure l is a central, vertical section through one type of the new buffing-wheel;

Figure 2 is a section through the wheel on line 2--2 of Figure 1;

Figure 3 is a similar, central, vertical section through the second embodiment of the invention; and

Figure 4 is a section on line 44 of Figure 3.

Referring to these drawings, and more particularly to Figures 1 and 2 thereof, it will be perceived that in its current most preferred form, the buffing-wheel may be made from an ordinary, straight-face, pulley, modified .or changed to adapt it to perform the necessary functions.

As is usual, such pulley has a central, apertured, supporting hub ID, a middle, circular web 5 ll outstanding from such hub, and an outer, cy-

lindrical main-body portion I2 supported by the Web, all three parts, I0, II and 12 being of metal, such as aluminum, alloy or the like, and all integral with one another.

55 So far as thus described, the structure is nothing more than that of an ordinary commercial pulley.

To change or reform such pulley to adapt it to carry the fabric buffing-elements and to ventilate or cool them in suitable and adequate de- 5 gree, an appropriate number of holes l3 are drilled through the central part of the portion l2 at the same time removing some of the web I I, all as is fully and clearly illustrated.

Also a suitable number of holes or apertures l0 l4, M are drilled through the part l2 on opposite sides of the medial web II.

In addition, the two opposite margins of the outer face of such modified pulley are provided with suitable screw-threads l5 and I6, right and 15 left hand if desired, on which may be screwed two collars or round nuts I! and 3 which may have recesses 19 for the accommodation of the prong of a spanner-wrench by means of which the collars or nuts may be screwed and tightened 20 into place.

These collars I! and I8 securely hold or clamp between them the inner, marginal portions of centrally-apertured fabric-bufling-elements 2|, 2| which have a considerable number of radially- 25 disposed ventilating-passages 22 in their opposite faces around their central openings.

When such metal mounting and its fabric buffing-members have been applied to the operating shaft 23 with one end of the hub bearing against 30 a shoulder 24 of the shaft and a nut 25 threaded in the end of the shaft and engaging the opposite end of the hub, the buffing-wheel is ready for action upon rotation thereof by the revolution of the shaft. 35

As will be readily understood, during the rapid rotation of the bufiing-wheel, air present at opposite sides of the web, due to centrifugal force, flows or is forced outwardly through the several holes l3, I l and through the passages 22 in the 40 sides of the fabric-members, thus adequately and properly cooling the latter elements against the otherwise destructive action of the heat generated by the buffing-operation.

A somewhat different type of structure is pre- 45 sented in Figures 3 and 4 in which case the mounting for the fabric buffing-elements comprises a hub 3!, adapted to be supported and clamped on the reduced-diameter portion. 32 of the drive-shaft 33, between a collar, 34, on the part 32 and bearing against a shoulder 35, and a nut 36 screwed on the threaded end portion of the shaft section 32.

As in the previously-described structure, outstanding from the center of, and integral with, 5

' appliance, holes 44,- 44 may be provided at centers of such grooves with removal of portions of the web so'that air may directly enter th'ejmiddle portions of such grooves from. .opposite sides of the Web as well as at their opposite ends.

As will be readily understood, the opencenter; textile-fabric bufiiing- members 45, 45 with perma:

nent, radially-disposed ventilating or cooling passages 46, 46 attheir sides aresupported on the mounting and clamped firmly and securely be- :tweenthereadily-adjustable, threaded collars or nuts 41 4l all as is clearly illustrated, and, when the complete bufling-wheeLas thus constituted, is rotated at the usual highspeed, air is drawn in through the grooves 42, ;42 and is delivered-there- 7 from tothe several connecting passages 46, 46

through whichit is discharged outwardly. between the fabriomembers; thereby maintaining the latterat a suitable temperature toprec-lude undue or damaging heating and burning of the cloth which ';-is performing the buffing andpolishingaction.

- 1 Those acquainted with'this art will understand that the invention is not necessarily limited and restricted to the precise features illustrated and described and that various modifications may be resorted to withoutdeparture-from the heart and essence of the invention as defined by the appended claims, which should be construed as broadly as permitted by the state of the prior art,

7 and-without-the loss or sacrifice of any'of the benefits accruing invention.- ,lclaim: V 11. Ina bufiing-wheel mounting, the combination of a-member havinga hub' adapted to be applied on the shaftdesignedto'rotate thewheel, a substantially-central circumferential Web outfrom the employment of the standing from said hub, and a cylindrical main body-portion supported on the outer part of said Web in outwardly spaced relation to said hub, said hub having an outstanding flange at one end and anexternal screw-thread at its other end, a screwthreaded collar adapted to cooperate with said screw-threaded end and to clamp between said flange and collar a series of concentric opencenter fabric hurling-elements, having outwardlydirected ventilating-passagesat the inner portions of their sides,nthe middle part of said body-portionhaving a row of openings therethrough arranged to communicate with the ventilating-passages of said bufling-elements and opening, at both sides of said web, whereby said connected openings and passages ailord conduits for the flow of cooling air therethrough to prevent overheating of. said buffing-elements by flowing outwardly between them.

-2 .'The bufiing-wheel mounting presented in claim 1--.in: whichmsaid main body-portion has other openings therethrough at (opposite sides of said web and 'said'first row of openings and also-arranged to communicaterwith the ventilating-passages of said .bufiing-elements. 7

3. The buffing wheehmounting, presented 'in claim-1 in which the external-surface of said main body-portion haslongitudinally-arranged circumferentially-spaced grooves communicating with said row of openingsandwithsaid ventilatingr passages.

F The buflingewheel mounting-presented in claim 1 in whichthe external surface of said main body-portion has longitudinally-arranged .circumferentially-spaced grooves communicating Withsaid row of openings and with said ventilating-passages,,said grooves "being open attheir; op-

posite ends-on-opposite sides of said web.

The buflmg-Wheel-mounting presented in munication with one of the-openings of said row, i

and in whicheach-said groove is open at its two ends on oppositesidesof said Web. JOI-INF. W'HI'I'E.

Images