US190916A - Improvement in machine-gearing - Google Patents

Improvement in machine-gearing Download PDF

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US190916A
US190916A US190916DA US190916A US 190916 A US190916 A US 190916A US 190916D A US190916D A US 190916DA US 190916 A US190916 A US 190916A
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gearing
machine
wheel
improvement
roller
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/04—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion
    • F16H25/06—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/1836—Rotary to rotary

Definitions

  • the object of our invention is to decrease friction in machine-gearing, and to gain mechanical advantages by the use of grooves or flanges arranged in cycloidal form in or upon the face or side of a wheel or wheels, in which works a friction-roller upon the wrist-pin of a crank, as will be hereinafter more fully set forth.
  • A represents a wheel of any suitable dimensions, mounted upon a shaft, B.
  • each successive groove In the periphery of the wheel A is formed each successive groove.
  • the face of the wheel A may be made convex, so that the path of the roller will be equidistant from the circumference at all points of its revolution.
  • the cycloidal groove can be cut on the side of a wheel, or on a beveled face, and is applicable to all kinds of gearing; or cycloidal flanges may be formed or arranged on the wheel between which the roller b is to work.
  • This invention is almost universal in its application, and by its use the use of cog-gearing may be entirely superseded.

Description

M. T. SINGLETON & J. S. WINGFIELD.
MACHINE GEARING.
No. 190,916, Patented May15, 1877.
lNV ENTOR WTNESSES v f 0 EE (512Mlav/s I. PETERS. FROTD-LITHOGRAPNER. WASHINGTON. D. C.
UNITED STATES PATENT OFFICE.
MIGAJAH T. SINGLETON AND JOSEPH S. WINGFIELD, OF ATLANTA, GA.
IMPROVEMENT IN MACHINE-(BEARING.
Specification forming part of Letters Patent No. [90,916, dated May 15, 1877; application filed April 27, 1877.
reference being had to the accompanying drawing, and tothe letters of reference marked thereon, making a part of this specification.
The object of our invention is to decrease friction in machine-gearing, and to gain mechanical advantages by the use of grooves or flanges arranged in cycloidal form in or upon the face or side of a wheel or wheels, in which works a friction-roller upon the wrist-pin of a crank, as will be hereinafter more fully set forth.
In order to enable others skilled in the art to which our invention appertains to make and use the same, we will now proceed to describe its construction and operation, referring to the an nezied drawing, which represents a side elevation of our machine.
A represents a wheel of any suitable dimensions, mounted upon a shaft, B.
In the periphery of the wheel A is formed each successive groove.
The face of the wheel A may be made convex, so that the path of the roller will be equidistant from the circumference at all points of its revolution.
The cycloidal groove can be cut on the side of a wheel, or on a beveled face, and is applicable to all kinds of gearing; or cycloidal flanges may be formed or arranged on the wheel between which the roller b is to work.
We are aware that wheels have been provided with irregular grooves cut in them for the purpose of producing lateral or reciprocal motion; but our invention is based upon the geometrical principle of the cycloid, which must be made mathematically correct to produce the desired effect-i. 0., rotary motion.
This invention is almost universal in its application, and by its use the use of cog-gearing may be entirely superseded.
Having thus fully described our invention, what we claim as new, and desire to secure by Letters Patent, is
The combination of the wheel A, provided with cycloidal grooves or flanges a, with the shaft D, provided with crank d on its end, having a friction-roller, 11, operating in the grooves or flanges of the wheel, whereby the shaft is given a rotary motion, as set forth.
In testimony that we claim the foregoing we have hereunto set our hands this 31st day of April, 1877.
M. T. SINGLETON. JOS. S. WINGFIELI). Witnesses:
WM. S. SoHLEY, R. H. LOUGHRIDGE.
US190916D Improvement in machine-gearing Expired - Lifetime US190916A (en)

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