US800853A - Driving mechanism for centrifugal creamers. - Google Patents

Driving mechanism for centrifugal creamers. Download PDF

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Publication number
US800853A
US800853A US20311304A US1904203113A US800853A US 800853 A US800853 A US 800853A US 20311304 A US20311304 A US 20311304A US 1904203113 A US1904203113 A US 1904203113A US 800853 A US800853 A US 800853A
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United States
Prior art keywords
shaft
driving mechanism
gear
creamers
centrifugal
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US20311304A
Inventor
Perley L Kimball
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VERMONT FARM MACHINE Co
Original Assignee
VERMONT FARM MACHINE Co
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Publication date
Application filed by VERMONT FARM MACHINE Co filed Critical VERMONT FARM MACHINE Co
Priority to US20311304A priority Critical patent/US800853A/en
Application granted granted Critical
Publication of US800853A publication Critical patent/US800853A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • 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
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19698—Spiral
    • Y10T74/19828—Worm

Definitions

  • machines of this class are rotated at very high rates of speed, often as high as live or six thousand revolutions per minute, by means of a train of speedinggears. They are sometimes power-driven and sometimes hand-driven, a hand-driven machine being illustrated in Figure 1 of the drawings.
  • the object of this invention is to provide a safety device at some point in the train of gearing in order that the bowl may continue its rotation irrespective of the movement of the speedingtrain of gears if the gears should become stuck and broughtto a sudden stop as, for instance, the drive or crank gear-shaft might run dry and stick from lack of proper lubrication, or the intermediate gear-journals might heat and stick, or too severe strain upon the pin of the drive-crank might bend same and cause it to stick. If some such device is not provided and the driving mechanism should become stuck, serious damage would result to the machine and probably to the operator.
  • the invention herein illustrated and described is extremely eflicient in accomplishing the desired object, it is positive in its operation while driving, is noiseless, and is also simple and inexpensive in its construction.
  • Fig. 1 is a view in elevation of a centrifugal creamer and the driving mechanism therefor, parts being broken away to show the construction.
  • Fig. 2 is a view, on enlarged scale, showing in section the shaft and gears to which my invention is applied.
  • Fig. 3 is a detail view of the end of the gear to which my invention is applied, showing the shaft in cross-section.
  • a is the separator-bowl, mounted in a suitable casing a and on a spindle 6, having a spiral thread cut therein, which meshes with a spiral gear 0 on the shaft (Z.
  • a pinion e is mounted on the shaft (Z and is connected therewith by my novel form of gearing. This pinion meshes with the gear 6 on the shaft 6 on which there is also mounted the pinion e meshing with the gear 0*, mounted on the shaft a, to which is secured the handle (1.
  • the hub of the gear 0 is recessed, as at f, and in this recess there is located the bushing g, which is connected to move with the gear by the screw-key g.
  • This bushing is cut away at one or more points, forming the recesses Z, whose outer walls Z are eccentric to the shaft (Z, the inclination in each case being in the same direction.
  • rollers 7'' In these recesses are located rollers 7'', which form a clutch connection between the shaft (Z and the gear 0.
  • a folded spring s is located in each recess and bears on the rollers to force them toward the smaller end of the recess.
  • a driving mechanism for centrifugal creamers the combination with a spindle having a spiral thread, of a shaft, a gear fixed on the shaft and meshing with said thread, a pinion loosely mounted on the shaft in close juxtaposition to the gear, and having an annular recess in its face adjacent the gear, a bushing mounted in said recess, and encircling the shaft, and locked to the pinion, said bushing extending slightly beyond the opening and engaging the side of the gear,

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)

Description

No. 800,858. PATENTBD OCT. 3, 1905.
P. L. KIMBALL.
DRIVING MECHANISM FOR CENTRIPUGAL CREAMERS. APPLICATION FILED 33.14, 1904.
A l fiinessew -Tnvenfor Mi M 3W KMW i Z i Zy/m'y .zzzorney Laws. 5 Guam cu mom umonmwzas. WASNMGTON, 0. c
UNITED STATES PATENT FFICE.
PERLEY L. KIMBALL, OF BELLOW S FALLS, VERMONT, ASSIGNOR TO VERMONT FARM MACHINE COMPANY, OF BELLOWS FALLS, VER- MONT, A CORPORATION.
Specification of Letters Patent.
Patented Oct. 3, 1905.
Application filed April 14:, 1904. Serial No. 203.113.
To (all whom, it may concern.-
Be it known that I, PERLEY L. KIMBALL, a citizen of the United States of America, residing at Bellows Falls, in the county of IVindham and State of Vermont, have invented certain new and useful Improvements in Driving Mechanism for Centrifugal Creamers, of which the following is a specification.
As is well known, machines of this class are rotated at very high rates of speed, often as high as live or six thousand revolutions per minute, by means of a train of speedinggears. They are sometimes power-driven and sometimes hand-driven, a hand-driven machine being illustrated in Figure 1 of the drawings.
The object of this invention is to provide a safety device at some point in the train of gearing in order that the bowl may continue its rotation irrespective of the movement of the speedingtrain of gears if the gears should become stuck and broughtto a sudden stop as, for instance, the drive or crank gear-shaft might run dry and stick from lack of proper lubrication, or the intermediate gear-journals might heat and stick, or too severe strain upon the pin of the drive-crank might bend same and cause it to stick. If some such device is not provided and the driving mechanism should become stuck, serious damage would result to the machine and probably to the operator.
The invention herein illustrated and described is extremely eflicient in accomplishing the desired object, it is positive in its operation while driving, is noiseless, and is also simple and inexpensive in its construction.
Referring to the drawings, Fig. 1 is a view in elevation of a centrifugal creamer and the driving mechanism therefor, parts being broken away to show the construction. Fig. 2 is a view, on enlarged scale, showing in section the shaft and gears to which my invention is applied. Fig. 3 is a detail view of the end of the gear to which my invention is applied, showing the shaft in cross-section.
In the drawings, a is the separator-bowl, mounted in a suitable casing a and on a spindle 6, having a spiral thread cut therein, which meshes with a spiral gear 0 on the shaft (Z. A pinion e is mounted on the shaft (Z and is connected therewith by my novel form of gearing. This pinion meshes with the gear 6 on the shaft 6 on which there is also mounted the pinion e meshing with the gear 0*, mounted on the shaft a, to which is secured the handle (1.
The hub of the gear 0 is recessed, as at f, and in this recess there is located the bushing g, which is connected to move with the gear by the screw-key g. This bushing is cut away at one or more points, forming the recesses Z, whose outer walls Z are eccentric to the shaft (Z, the inclination in each case being in the same direction. In these recesses are located rollers 7'', which form a clutch connection between the shaft (Z and the gear 0. A folded spring s is located in each recess and bears on the rollers to force them toward the smaller end of the recess. It will be noted that the ends of these springs project beyond the folds toward the shaft, so that any wear of the shaft on the springs comes on their ends instead of on the folds, where it would tend to wear them out. It will be seen that, motion imparted to the pinion through the speeding-gears will be transmitted to the shaft through these rolls and that if after the bowl has been speeded up the gears become caught this clutch will allow the bowl to continue its rotation while the speeding-gears are stationary.
I claim as my invention In a driving mechanism for centrifugal creamers, the combination with a spindle having a spiral thread, of a shaft, a gear fixed on the shaft and meshing with said thread, a pinion loosely mounted on the shaft in close juxtaposition to the gear, and having an annular recess in its face adjacent the gear, a bushing mounted in said recess, and encircling the shaft, and locked to the pinion, said bushing extending slightly beyond the opening and engaging the side of the gear,
and having a series of concentrically-arranged cam-slots, a roller in each of said slots and a spring in each slot bearing against the roller tending to force the latter in engagement with the shaft, substantially as described.
In testimony whereof I aflix my signature in presence of two witnesses.
PERLEY L. KIM BALL.
Witnesses:
A. L. HAINEs, GEO. H. MUZZEY.
US20311304A 1904-04-14 1904-04-14 Driving mechanism for centrifugal creamers. Expired - Lifetime US800853A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638679A (en) * 1950-02-04 1953-05-19 Mcskimmon Donald Measuring instrument
US2670825A (en) * 1950-09-22 1954-03-02 Morse Chain Co One-way engaging device
US2699239A (en) * 1951-10-24 1955-01-11 Torrington Mfg Co Driven member and clutch assembly
US2699238A (en) * 1950-01-11 1955-01-11 Torrington Mfg Co Driven member and clutch assembly
US2902125A (en) * 1955-08-11 1959-09-01 Gen Motors Corp Engine starting apparatus
US3068978A (en) * 1958-10-02 1962-12-18 Gen Motors Corp One-way engaging mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699238A (en) * 1950-01-11 1955-01-11 Torrington Mfg Co Driven member and clutch assembly
US2638679A (en) * 1950-02-04 1953-05-19 Mcskimmon Donald Measuring instrument
US2670825A (en) * 1950-09-22 1954-03-02 Morse Chain Co One-way engaging device
US2699239A (en) * 1951-10-24 1955-01-11 Torrington Mfg Co Driven member and clutch assembly
US2902125A (en) * 1955-08-11 1959-09-01 Gen Motors Corp Engine starting apparatus
US3068978A (en) * 1958-10-02 1962-12-18 Gen Motors Corp One-way engaging mechanism

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