US2102836A

US2102836A - Polishing wheel

Info

Publication number: US2102836A
Application number: US96424A
Authority: US
Inventors: Felix G Cyrex
Original assignee: J C MILLER CO
Current assignee: J C MILLER CO
Priority date: 1936-08-17
Filing date: 1936-08-17
Publication date: 1937-12-21
Anticipated expiration: 1954-12-21

Description

Dec. 21, 1937. F. G. cYREx POLI SHING WHEEL Filed Aug. 1'?, 1936 Patented Dec. 2l, 1937 UNITED STATES PATENT OFFICE POLISHING WHEEL poration of Michigan Application August 17, 1936, Serial No. 96,424

2 Claims.

This invention relates generally to polishing wheels and more particularly to composite disk polishing wheels. These polishing or bumng wheels are used for many purposes, as, for in- 5 stance, in polishing metal articles before plating by means of granular abrasives glued or cemented to the wheel.

In the construction of the usual composite disk polishing wheel a plurality of disks are positioned and glued together in their original flat state whereby the resultant polishing wheel has a number of varying and alternate peripheral polishing surfaces, the soft face of the polishing disk giving one kind of surface and the glued surface between the disks giving a harder polishing surface whereby the article to polished will be polished or buied unevenly and with scratches or ridges in its surface.

A primary purpose and object of the present invention is to provide a composite disk polishing wheel which will overcome the difficultiesl encountered with the usual polishing wheel. This is attained by constructing the polishing wheel in a novel manner whereby the outside surface of each of the disks is located in a helical path along the surface of the polishing wheel whereby during a polishing operation the varying polishing surfaces on the outside surface of the polishing wheel are evenly distributed. This achieves a brilliant appearing and evenly polished surface on the article. The polishing wheel of the present invention completely and totally eliminates the scoring, gouging and ridging of the work.

Another primary advantage resides in the interlocked wheel construction, this construction holdingthe wheel against displacement during use. Revolving wheels of this character are, of course, subject to centrifugal force.

Another object of the present invention is to provide a polishing wheel which is simple to manufacture and easy'to assemble. l

Other objects and advantages reside in my special construction of polishing wheel as will become apparent as this invention is more fully hereinafter described, the invention being illustrated in the accompanying drawing, in which,

Fig. 1 is an elevation showing a polishing wheel of my novel construction mounted upon a spindie.

Fig. 2 is an end view of the assembled polishing wheel. t

Fig. 3 is an end view of one of the single disks, a plurality of which form the polishing wheel.

Fig. 4 is an edge view of one of the single disks.

Fig. 5 is an edge view of one of the disks of the polishing wheel shown in the position in which the disk, is positioned during the assembling operation. I

Like numerals refer to like parts throughout the several figures of the drawing. 5

Referring to Fig. l, the polishing wheel, indicated by numeral I, is mounted on the spindle 2, the spindle being revolubly mounted in the spindie mounting 3 of a polishing or bufiing machine.

The polishing wheel proper is formed from a l0 number of disks 4, each of the disks being made of a number of fabric sheets to form the body 5, the body 5 being covered on each of its flat faces by means of canvas or cotton fabric facings 6. The body 5 and the facings 6 are sewed 15 together by means of the suitably sewed stitches 1. An opening 8 is formed centrally of each of the disks 4 to receive the spindle 2 of the polishing machine. The disks are each parted by means of the single cut 9, which extends from the spindle opening 8 to the outside edge of the' disk. This out 9 may be made on an angle whereby bevel surfaces I0 are formed at the parting of each of the disks.

To assemble the polishing wheel from the 25 single disks, two disks are spread as shown in Fig. 5 and are threaded together and then the third, fourth, fifth and sixth disks are consecutively threaded onto the main body prtion whereby the disks thus threaded together and 30 interlocked form a single polishing wheel with the outside surfaces of each of the disks positioned helically along the periphery of the polishing wheel. Although six disks are shown as forming the polishing wheel it is to be understood 35 that this number may be increased or decreased Without avoiding the invention. Glue or some form of adhesive may be placed between each of the disks and the'assembled polishing wheel positioned in a press or clamping means and the glue allowed to set with the pressure against the opposite faces of the polishing wheel whereby the finished polishing wheel will assume the form shown in Fig. l.

As shown in Fig. 1 it will be noted that the out- 45 side surfaces or edges of each of the disks are bent to a different plane at a point lateral of the position that each of the disks terminate, this change of plane being the same as the width of the several disks. It will also be noted that 50 the beveled surface i0 of each of the disks is the medium whereby the interposed disks are bent to their change of plane. It will be understoodthat the disks each terminate at both faces of the polishing wheel and that the outside sur- 55 face or edge of each of the polishing disks assumes a path substantially helical in shape. This gives an even distribution of pressure during the polishing operation and furthermore produces a continual change in the wheel surface along its entire length whereby lining and scoring of the article being worked upon is prevented.

From the above description it will be appreciated that I have inventively created a. polishing wheel which is more efcient inasmuch as it produces a better nish on the articles. Additionally it is extremely simple to manufacture and is easy to assemble.

While I have illustrated and described a particular embodiment of my invention it will be appreciated that many changes may be made in the subject matter and form of the invention disclosed without departing from the spirit of my invention as set forth in the appended claims.

I claim:

1. A polishing wheel of the class described comprising, a plurality of disks, each of said disks being parted at an angle to the face of the disk, to form a bevel, from its center to its outer edge, said disks being threaded together, said disks each being cemented to the face of the adjacent disk to form a polishing wheel, the exposed straight portions oif the edge of each disk being positioned parallel to the side faces of the polishing wheel and being bent to..an advancing plane axially o! the partings equal to the thickness of said disks, from one ,of the side faces of said polishing wheel .to the other side face of the wheel whereby said exposed surfaces of said disks are positioned substantially helically along the length of said polishing wheel.

2. An article of the class described, comprising, a plurality of circular flexible disks, each of said disks having a bevel parting from its center to its outer edge, said disk being threaded and cemented together with the terminating and bevel ends of the disks exposed at opposite faces of the assembled article, the exposed edges of each of said disks being disposed substantially spirally along the cylindrical face of the article and the bevel of the parting of each disk contacting and cemented to the face of the adjacent FELIX G. CYREX.