US497063A - Polishing-wheel - Google Patents

Polishing-wheel Download PDF

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US497063A
US497063A US497063DA US497063A US 497063 A US497063 A US 497063A US 497063D A US497063D A US 497063DA US 497063 A US497063 A US 497063A
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wheel
polishing
openings
parts
malcom
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece

Definitions

  • the object of the present invention is to construct a polishing wheel in such manner as to cause it to draw the ground material used for polishing, from its exterior toward the center.
  • the invention consists in a wheel comprisin g a central and exterior circle connected by awebbing formed of radial and angularparts, which will be fully set forth in the following specification and claims and clearly illustrated in the drawings forming a part thereof, of which- I Figure 1. represents one of my improved wheels in cross-section, Fig. 2 being a plan View of the wheel with the cap piece removed.
  • the wheel is provided with many openings A, of Various sizes and forms, some of which are rectangular and some triangular, so formed by reason of the radial portions B, and the parts 0, which are placed at right-angles with four of said parts B, and ataforty-five-degree angle with the other four of said parts B.
  • openings A of Various sizes and forms, some of which are rectangular and some triangular, so formed by reason of the radial portions B, and the parts 0, which are placed at right-angles with four of said parts B, and ataforty-five-degree angle with the other four of said parts B.
  • curved 0penings d are made in a course eccentric with the center, and when the wheel is revolved in the direction of the arrow in Fig. 2, the pol- Serial No. 403,566. (No model.)
  • ishing material has only to be deposited upon the stone, and the wheel by aid of said openings d, will draw it in and distribute evenly.
  • the parts B all terminate at the centerin a circle D, and this also is provided with openings d, to help the distribution of the polishing material.
  • the accustomary disk or top plate E is secured to the wheel by means of pins F, which are secured in said wheel and pass upward through said plate E, and are either bent over or headed as shown, and motion may be transmitted to said Wheel by a power driven shaft (not shown) connected in some convenient manner to the said wheel at c.
  • a polishing wheel having its circumference divided into a plurality of arcs separated, each from the other, bya recess extending toward the center of the wheel and perpendicular to the circumference thereof, the toe of each arc projecting but partially over its respective recess, andthe heel only, having an eccentric slope, a central circular recess having a plurality of eccentric openings extending in a direction opposite to that of rotation of the wheel, and means of communication between the said recesses and openings, and a retaining frame, as set forth.

Description

no Model.)
M. SWENSON.
POLISHING WHEEL.
Patented May 9; 1893.
x III a H Q and useful Improvements UNITED STATES PATENT OFFICE.
MALCOM SVVENSON, OF SUNAPEE, NEW HAMPSHIRE.
POLISHING-WHEEL.
SPECIFICATION forming part of Letters Patent No. 497,063, dated May 9, 1893.
Application filed August 24:, 1891.
T at whom it may concern:
Be it known that I, MALCOM SWENSON, a citizen of the United States, residing at Sunapee, in the county of Sullivan and State of New Hampshire, have invented certain new in PolishinglVheels; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
The object of the present invention is to construct a polishing wheel in such manner as to cause it to draw the ground material used for polishing, from its exterior toward the center.
The invention consists in a wheel comprisin g a central and exterior circle connected by awebbing formed of radial and angularparts, which will be fully set forth in the following specification and claims and clearly illustrated in the drawings forming a part thereof, of which- I Figure 1. represents one of my improved wheels in cross-section, Fig. 2 being a plan View of the wheel with the cap piece removed.
The wheel is provided with many openings A, of Various sizes and forms, some of which are rectangular and some triangular, so formed by reason of the radial portions B, and the parts 0, which are placed at right-angles with four of said parts B, and ataforty-five-degree angle with the other four of said parts B. In the exterior circular rim D, curved 0penings d, are made in a course eccentric with the center, and when the wheel is revolved in the direction of the arrow in Fig. 2, the pol- Serial No. 403,566. (No model.)
ishing material has only to be deposited upon the stone, and the wheel by aid of said openings d, will draw it in and distribute evenly. The parts B all terminate at the centerin a circle D, and this also is provided with openings d, to help the distribution of the polishing material.
The accustomary disk or top plate E, is secured to the wheel by means of pins F, which are secured in said wheel and pass upward through said plate E, and are either bent over or headed as shown, and motion may be transmitted to said Wheel by a power driven shaft (not shown) connected in some convenient manner to the said wheel at c.
Having described my invention, what I claim is- A polishing wheel having its circumference divided into a plurality of arcs separated, each from the other, bya recess extending toward the center of the wheel and perpendicular to the circumference thereof, the toe of each arc projecting but partially over its respective recess, andthe heel only, having an eccentric slope, a central circular recess having a plurality of eccentric openings extending in a direction opposite to that of rotation of the wheel, and means of communication between the said recesses and openings, and a retaining frame, as set forth.
In testimony whereof Iaffix my signature in presence of two witnesses.
MALCOM SWENSON. Witnesses:
J. B. THURSTON, CHAS. G. REMICK.
US497063D Polishing-wheel Expired - Lifetime US497063A (en)

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