US761384A - Friction-gearing. - Google Patents

Friction-gearing. Download PDF

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Publication number
US761384A
US761384A US11616802A US1902116168A US761384A US 761384 A US761384 A US 761384A US 11616802 A US11616802 A US 11616802A US 1902116168 A US1902116168 A US 1902116168A US 761384 A US761384 A US 761384A
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Prior art keywords
disk
friction
gearing
aluminium
face
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Expired - Lifetime
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US11616802A
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John W Lambert
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Buckeye Manufacturing Co
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Buckeye Manufacturing Co
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Priority to US11616802A priority Critical patent/US761384A/en
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Publication of US761384A publication Critical patent/US761384A/en
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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
    • F16HGEARING
    • F16H15/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04Gearings providing a continuous range of gear ratios
    • F16H15/06Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/32Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces

Description

No. 761,384. PATENTED MAY- 1,190

Y J. W. LAMBERT. FRICTION GEARING.

APPLICATION FILED JULY 19- 1902.

H0 IODBL.

ATTORNEYS WITNESSES: Q mvzmon m: nomls men (20.. rummuma, wmmnrom n. c.

. U ITED STATES I mama May 31,1904.

PATENT. ()FFICE. I

JOHN W. LAMBERT, OF ANDERSON, INDIANA, ASSIGNOR TO THE BUCKEYE." MANUFACTURING COMPANY, OF ANDERSON, INDIANA FRICTION -GEARING.

SPECIFICATION forming part of Letters Patent N 0. 761,384, dated May 31, 1904.

Application filed July 19, 1902. Serial No. 116,168. (No model.)

To wZZ whom it may concern:

Be it known that -I, JOHN W. LAMBERT, a

citizen of the United States of America, residing at Anderson, in the county of Madison and v State of Indiana, have invented certain new and useful Improvements in Fricti0nGearin g,

of which the following is a full, clear, and exact specification. g v

Figure 1 is a side elevation of sufficient parts of an automobile-gearing to. show my invention, andFig. 2 is a face View of the main or driving disk.

v This invention relates to that class of gearing in which the power is transmitted from -I5 the driving-shaft to a driven shaft at right angles theretoby means of a pair of frictiondisks, the periphery of one disk having a frictional engagement with the face of the other disk and adapted to be moved across the same 2 to vary the speed of the driven shaft, as'more fully hereinafter set forth. In adapting this form of power-transmitting mechanism to motor-vehicles it has been found essential in order to obtain the necessary friction-to'have 2 5 one at least of the friction -surfaces made elastic, and the difi'iculty has been to obtain a combination of materials that will be durable and at the same time will insure the transmission of the full power; and it is the object of 3 this invention to overcome these drawbacks,

as more fully set forth hereinafter.

In the drawings, A designates the main or driving disk, which is attached to the driveshaft in the usual way and has fastened to its bearing-face an aluminium disk at coextensive in superficial area to the faceof the drivingdisk. This aluminium disk abuts solidlyagainst the face of the drive-disk and is fastened thereto by a series of screws 0, passed 40' through the disk and preferably arranged around close to the edge thereof outside of the usual'workingarea of the disk, so that they will not ordinarily come in contact with the peripheryof the driven disk and unduly Wear or injure the same.

sisting of a suitable elastic fiber, such as paper or wood.

I In practice I have found that this combinationof aluminium and fiber bearing-surfaces gives the maximum degrees of friction and durability, thereby especially adapting the gearing for use on motor-vehicles of the heavier kind, where the friction-surfaces are at times subjected to great strains and must therefore have a frictional contact of a high degree of efliciency in order to avoid slipping. It will be observed that the aluminium is advanta geous also, because it will not tarnish or rust shaft, a friction-disk carried by each shaft,

the face of onefdisk being provided with an aluminium bearing-plate detachably secured thereto and the attaching means being outside 'of the usual Working area of the bearing-plate against which the periphery of the other disk bears.

3. In a power-transmitting,mechanism, the

combination of a driving-shaft, a friction-disk on said shaft bearing a face of aluminium, and a driven shaft carrying a friction-disk, a fiber periphery secured to said disk and adapted to gear on the aluminium face of the drivingisk.

4:. In a power-transmitting mechanism, the

area of the disk, a disk mounted thereon, a elastic frictional surface bearing upon said fiber periphery' secured to said disk and adaptaluminium surface.

ed to bear on the aluminium face of said driv- In testimony whereof I hereunto afiix my ing-disk. signature, in the presence of two witnesses, 5 5. In a friction-transmitting mechanism, a this 1 1th day of July, 1902.

Wheel having a frictional surface of alumini- JOHN f LAMBERT um.

6. In a frictional gearing, the combination Witnesses: with a friction-disk 'having a surface of alu- JAMES F. BOLEN,

IO minium, of a transmitting-disk having an E. W. LONGANECKER.

US11616802A 1902-07-19 1902-07-19 Friction-gearing. Expired - Lifetime US761384A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602338A (en) * 1949-07-12 1952-07-08 Librascope Inc Integrator
US3420115A (en) * 1965-11-10 1969-01-07 Kugelfischer G Schaefer & Co Friction disc for friction drives
US3791493A (en) * 1970-12-05 1974-02-12 Nippon Carbon Co Ltd Friction elements for braking rotary bodies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602338A (en) * 1949-07-12 1952-07-08 Librascope Inc Integrator
US3420115A (en) * 1965-11-10 1969-01-07 Kugelfischer G Schaefer & Co Friction disc for friction drives
US3791493A (en) * 1970-12-05 1974-02-12 Nippon Carbon Co Ltd Friction elements for braking rotary bodies

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