US620478A - Fourths to frederick j - Google Patents

Fourths to frederick j Download PDF

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US620478A
US620478A US620478DA US620478A US 620478 A US620478 A US 620478A US 620478D A US620478D A US 620478DA US 620478 A US620478 A US 620478A
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wheel
metal
sheet
periphery
frederick
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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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • F16H55/44—Sheet-metal pulleys

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  • My invention relates to improvements in sheet-metal wheels, and pertains to a wheel formed from a single sheet of metal and especially intended for use as a trolley-Wheel, all of which will be fully described hereinafter and particularly pointed out in the claims.
  • the object of my present invention is to construct a sheet-metal wheel of a single sheet of metal,whereby the sides and periphery are formed of a single sheet and of double thickness.
  • Figure 1 is a cross-sectional view of a sheet-metal wheel embodying my invention.
  • Fig. 2 is a sectional view showing how the sheet-metal plate of Fig. l is formed into the finished wheel.
  • Fig. 3 is a transverse sectional viewof the finished wheel, showing bearing or shaft blocks in position thereon.
  • Fig. llS a detached perspective view of one of the bearings on shaftblocks.
  • A is the periphery of the wheel and which is composed of a double thickness, as shown, thus furnishing a long-lived wearing-surface.
  • the metal is brought together at the point b under the center of the periphery, which forms a circular strengthening and supporting ring for the periphery thereof, as will be readily understood.
  • the contour of the wheel then diverges, as .shown at a, forming a supporte are preferably provided with longitudinal 5o being formed from a single sheet, the centerof one side is the center of a circular plate of which the wheel is formed and the periphery of the circular plate is the center of the opposite side of the wheel when completed, the plate being doubled at the point '5, Fig. 1, which is at a point between the center of the circular plate and its periphery, as will be readily conceived by reference to Fig. 3.
  • a wheel constructed as hereinbefore de scribed is cheap, more evenly balanced than a cast wheel, and being formed from sheet metal is a'better electric conductor than cast metal, owing to the fact that the fibers of the metal are condensed and more intimately combined than is possible in cast metal.
  • awheel formed of an unbroken single sheet of metal, the center portion of the sheet forming one side of the central portion of the wheel, the intermediate portion of the sheet forming the periphery of the wheel, and the outer portion of the sheet forming the opposite central portion of the wheel when completed, wherebya wheel is formed without seams and having a double-thickness periphery and central portion, substantially as described.
  • de- FREDERICK J. SCHWEITZER substantially as de- FREDERICK J. SCHWEITZER, scribed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)

Description

' Patented Feb. 28, I899.
a. E. MITTINGER, 1R.
SHEET METAL WHEEL.
(Application filed Aug. 30, 1898.)
No Model.)
INVENTOR WITNESSES THE NORRIS PEYEHS cov. Fl-(o'roumu. wnummcn. n. c.
UNITED STATES i GEORGE E. MITTINGER, JR,- OF CLEVELAND, OHIO, ASSIGNOR OF THREE- PATENT OFFICE.
FOURTHS TO FREDERICK J. SCHWEITZER, OF SAME PLACE.
SHEET-METAL WHEEL.
SPECIFICATION forming part of Letters Patent No. 620,478, dated February 28, 1899.
' AppliuationflledAugusitBO,1898. Serial No- 689,828. (No model.)
'To all whom it may concern.-
Be it known that I, GEORGE E. MITTINGER, J r., acitizen of the United States, residing at Cleveland, in the county'of Cuyahoga and State of Ohio, have invented new and useful Improvements in Sheet-Metal Wheels, of which the following is a specification.
My invention relates to improvements in sheet-metal wheels, and pertains to a wheel formed from a single sheet of metal and especially intended for use as a trolley-Wheel, all of which will be fully described hereinafter and particularly pointed out in the claims.
The object of my present invention is to construct a sheet-metal wheel of a single sheet of metal,whereby the sides and periphery are formed of a single sheet and of double thickness.
In the accompanying drawings, Figure 1 is a cross-sectional view of a sheet-metal wheel embodying my invention. Fig. 2 is a sectional view showing how the sheet-metal plate of Fig. l is formed into the finished wheel. Fig. 3 is a transverse sectional viewof the finished wheel, showing bearing or shaft blocks in position thereon. Fig. llS a detached perspective view of one of the bearings on shaftblocks.
Referring now to the drawings, A is the periphery of the wheel and which is composed of a double thickness, as shown, thus furnishing a long-lived wearing-surface. The metal is brought together at the point b under the center of the periphery, which forms a circular strengthening and supporting ring for the periphery thereof, as will be readily understood. The contour of the wheel then diverges, as .shown at a, forming a supporte are preferably provided with longitudinal 5o being formed from a single sheet, the centerof one side is the center of a circular plate of which the wheel is formed and the periphery of the circular plate is the center of the opposite side of the wheel when completed, the plate being doubled at the point '5, Fig. 1, which is at a point between the center of the circular plate and its periphery, as will be readily conceived by reference to Fig. 3.
A wheel constructed as hereinbefore de scribed is cheap, more evenly balanced than a cast wheel, and being formed from sheet metal is a'better electric conductor than cast metal, owing to the fact that the fibers of the metal are condensed and more intimately combined than is possible in cast metal.
While I have described my invention as particularly adapted for use as a trolley-wheel, it will be readily understood that the wheel is equally adapted for many other uses, and I do not therefore limit myself to the use of the invention as a trolley-wheel only.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, is
1. As a new article of manufacture, awheel formed of an unbroken single sheet of metal, the center portion of the sheet forming one side of the central portion of the wheel, the intermediate portion of the sheet forming the periphery of the wheel, and the outer portion of the sheet forming the opposite central portion of the wheel when completed, wherebya wheel is formed without seams and having a double-thickness periphery and central portion, substantially as described.
2. As an improved article of manufacture In testimony whereof I havehereunto set a sheet-metal Wheel composed of a single my hand in the presence of two subscribing IO sheet of metal having the periphery and sides witnesses.
integral, the metal bent backward to form a GEORGE E MITTINGER JR donblethickness periphery, the center of said integral sides depressed inward to form shaft Witnesses:
or bearing block cavities, substantially as de- FREDERICK J. SCHWEITZER, scribed. A. S. PATTISON.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546782A (en) * 1946-04-25 1951-03-27 Walter L Rives Pulley
US3324735A (en) * 1964-07-31 1967-06-13 Merlin S Hanke Fabricated pulley
US4664647A (en) * 1985-05-14 1987-05-12 Kloeckner-Humboldt-Deutz Ag Belt pulley for a belt drive
US5640806A (en) * 1995-06-07 1997-06-24 Hall; Richard Cable slide gate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546782A (en) * 1946-04-25 1951-03-27 Walter L Rives Pulley
US3324735A (en) * 1964-07-31 1967-06-13 Merlin S Hanke Fabricated pulley
US4664647A (en) * 1985-05-14 1987-05-12 Kloeckner-Humboldt-Deutz Ag Belt pulley for a belt drive
US5640806A (en) * 1995-06-07 1997-06-24 Hall; Richard Cable slide gate

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