US572282A - Hyacinths trenta - Google Patents

Hyacinths trenta Download PDF

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US572282A
US572282A US572282DA US572282A US 572282 A US572282 A US 572282A US 572282D A US572282D A US 572282DA US 572282 A US572282 A US 572282A
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trenta
wheels
hyacinths
pivot
points
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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly

Definitions

  • Figure l is a vertical section on the axle of the pivot.
  • Figs. 2l and 3 are respectivelyT a profile and an elevation thereof.
  • A is a horizontal shaft having one or both extremities rigidly fixed in the frame of the apparatus, which is not shown in the drawings.
  • Two wheels revolve upon this shaft. Their plane surfaces are in juxtaposition with a little play, so that there is not the least friction between the same except that of a circular shoulder B, cast on at the center of one of them, the projection of which determines the play between the two wheels.
  • the latter are held together by two collars A A, one at least of which is adjustable so as to allow the regulation.
  • the edges of the wheels are slightly conical and form a circular groove, the section of which forms a flattened V.
  • the pivot P rests upon the upper part of the groove and is guided by a 'bracket D, which holds it in position.
  • the point of the pivot which has a semispherical shape, can have only two contact-points with the oblique edges of the wheels. These points will be more or less distant, according to the Obliquity of the edges and according tothe radius of the spherical part of the pivot. NVhen the pivot is in motion, these contact-points will be the seat of a rolling, which will carry along the disks R R in reversed direction and at a rate of speed considerably less than that of the pivot and in proportion with the distance between the contact-points upon the two wheels or the diameter of said wheels.
  • the lubricating will be easily established by plunging a little part of the edge of the wheels R R in an oil-reservoir placed below the same.
  • the oil will run along their outside and inside surfaces and will lubricate the horizontal shaft and its shoulders.
  • the bearing D may be lubricated by a suitable oil-cup, the excess of which, running into the lower reservoir, will easily be utilized again. I of course reserve the right to still further reduce the friction by mounting the Wheels R R upon balls, cylinders, rollers, 85o., and to use for their construction all metals or other suitable materials.
  • the shape land devices in detail will also -vary according to the object for which the apparatus must serve.
  • the shaftP to be supported having a semispherical end, the two contiguous disks, the peripheries of which form a V-shaped groove, and the shaft carrying said disks, said semispherical end of the shaft P resting at only two points on the two disks, substantially as described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Description

(No Model.)
H TRENTA STEP PoR-VERTICAL SHAFTS.
Patented Dec. l, 1.896.
' Fmg.
UNITED STATES PATENT OEEICE.
IIYACINTIIE TRENTA, OF LYON S, FRANCE.
`STEP FOR VERTICAL SHAFTS.
SPECIFICATION forming part of Letters Patent No. 572,282, dated December l., 1896. Application iiled May 19, 1896. Serial No. 592,206. (No model.) Patented in France April 15, 1896, No. 252,839.
bines, hydro-extractors, and the like. Its object is to transform in a rolling motion the -sliding friction which takes place between the base of the pivot and the surface which supports it, which friction absorbs a considerable quantity of work and produces overheating at the least decrease of lubrication.
The accompanying drawings show the device adapted to shafts turning at a great rate of speed.
Figure l is a vertical section on the axle of the pivot. Figs. 2l and 3 are respectivelyT a profile and an elevation thereof.
A is a horizontal shaft having one or both extremities rigidly fixed in the frame of the apparatus, which is not shown in the drawings. Two wheels revolve upon this shaft. Their plane surfaces are in juxtaposition with a little play, so that there is not the least friction between the same except that of a circular shoulder B, cast on at the center of one of them, the projection of which determines the play between the two wheels. The latter are held together by two collars A A, one at least of which is adjustable so as to allow the regulation. The edges of the wheels are slightly conical and form a circular groove, the section of which forms a flattened V. The pivot P rests upon the upper part of the groove and is guided by a 'bracket D, which holds it in position.
The point of the pivot, which has a semispherical shape, can have only two contact-points with the oblique edges of the wheels. These points will be more or less distant, according to the Obliquity of the edges and according tothe radius of the spherical part of the pivot. NVhen the pivot is in motion, these contact-points will be the seat of a rolling, which will carry along the disks R R in reversed direction and at a rate of speed considerably less than that of the pivot and in proportion with the distance between the contact-points upon the two wheels or the diameter of said wheels.
The lubricating will be easily established by plunging a little part of the edge of the wheels R R in an oil-reservoir placed below the same. The oil will run along their outside and inside surfaces and will lubricate the horizontal shaft and its shoulders. The bearing D may be lubricated by a suitable oil-cup, the excess of which, running into the lower reservoir, will easily be utilized again. I of course reserve the right to still further reduce the friction by mounting the Wheels R R upon balls, cylinders, rollers, 85o., and to use for their construction all metals or other suitable materials.
The shape land devices in detail will also -vary according to the object for which the apparatus must serve.
In combination, the shaftP to be supported, having a semispherical end, the two contiguous disks, the peripheries of which form a V-shaped groove, and the shaft carrying said disks, said semispherical end of the shaft P resting at only two points on the two disks, substantially as described.
In witness whereof I have hereunto set my hand inv presence of two witnesses.
' HYACINTI-IE TRENTA. IVitnesses:
GASTON JEAUNIAUx, MAEIUs VAcHoN.
US572282D Hyacinths trenta Expired - Lifetime US572282A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101050934B1 (en) * 2003-02-13 2011-07-20 메르틱 맥시트롤 게엠베하 운트 콤파니 코만디트게젤샤프트 Gas flow ignition method and circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101050934B1 (en) * 2003-02-13 2011-07-20 메르틱 맥시트롤 게엠베하 운트 콤파니 코만디트게젤샤프트 Gas flow ignition method and circuit

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