US206483A - Improvement in mill-spindles - Google Patents

Improvement in mill-spindles Download PDF

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US206483A
US206483A US206483DA US206483A US 206483 A US206483 A US 206483A US 206483D A US206483D A US 206483DA US 206483 A US206483 A US 206483A
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spindle
spindles
mill
improvement
john
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system

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  • Figure 1 is a side view of my improved spindle.
  • Fig. 2 is a longitudinal section of the same, taken through the line 00 at, Fig. 1.
  • Fig. 3 is a cross-section of the same, taken through the line y 3 Fig. 2.
  • Fig. 4 is a cross-section of the same, taken through the line 22, Fig. 2.
  • the object of this invention is to furnish IDlllSPlHdlE-S which shall be so constructed as to prevent their vibration, so that the stones will run truer and will grind the grain evener, making more and better flour than is otherwise practicable.
  • the invention consists in the combination of the sleeve, the clutches, and the collar with the spindle, as hereinafter fully described.
  • A represents an ordinary niillstone-spindle, the lower end of which revolves in a step in the usual way.
  • the upper part of the spindle A revolves in a bushing inthe lower millstone, and its upper end carries the driver and the balance-rynd of the upper n'iillstone.
  • a clutch, B To the spindle A, just below the lower millstone, is keyed or otherwise secured a clutch, B, which dle A.
  • the sleeve C and the clutches B D are kept from slipping apart by a collar, E, placed upon the lower end of the spindle A against the clutch D, and secured in place by one or more set-screws, F.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Plural Heterocyclic Compounds (AREA)

Description

J. W. PORTER.
Mill-Spindle.
Patnted July 30, 1878.
INVENTOR ATTORNEYS mamas, P
UNITED JOHN W. PORTER, OF WESTPORT, CONNECTICUT.
IMPROVEMENT IN MILL-SPINDLES.
Specification forming part of Letters Patent No. 206,483, dated July 30, 1878; application filed July 9, 1878.
To all whom it may concern Be it known that I, JOHN VLPORTER, of VVestport, in the county of Fairfield and State of Connecticut, have invented a new and useful Improvement in AntiVibration Millstone- Spindles, of which the following is a specification:
Figure 1 is a side view of my improved spindle. Fig. 2 is a longitudinal section of the same, taken through the line 00 at, Fig. 1. Fig. 3 is a cross-section of the same, taken through the line y 3 Fig. 2. Fig. 4 is a cross-section of the same, taken through the line 22, Fig. 2.
Similar letters of reference indicate correspondin g parts.
The object of this invention is to furnish IDlllSPlHdlE-S which shall be so constructed as to prevent their vibration, so that the stones will run truer and will grind the grain evener, making more and better flour than is otherwise practicable.
The invention consists in the combination of the sleeve, the clutches, and the collar with the spindle, as hereinafter fully described.
A represents an ordinary niillstone-spindle, the lower end of which revolves in a step in the usual way. The upper part of the spindle A revolves in a bushing inthe lower millstone, and its upper end carries the driver and the balance-rynd of the upper n'iillstone. To the spindle A, just below the lower millstone, is keyed or otherwise secured a clutch, B, which dle A. The sleeve C and the clutches B D are kept from slipping apart by a collar, E, placed upon the lower end of the spindle A against the clutch D, and secured in place by one or more set-screws, F.
Power is applied to the spindle A by means of a pulley or gear-wheel attached to the sleeve C, and which is not shown in the drawings.
By this construct-ion the vibration of the spindle A will be wholly prevented, so that the niillstones will run with perfect accuracy when once properly adjusted, and will grind the grain uniformly over their entire faces.
Having thus described lnyinvention, I claim as new and desire to secure by Letters Patent The combination of the sleer e C, the clutches B I), and the collar E with the spindle A, substantially as herein shown and described.
JOHN W. PORTER.
Witnesses:
WALTER A. HOWARTH, JOHN R. PALMER.
US206483D Improvement in mill-spindles Expired - Lifetime US206483A (en)

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