US274280A - Edwin m - Google Patents
Edwin m Download PDFInfo
- Publication number
- US274280A US274280A US274280DA US274280A US 274280 A US274280 A US 274280A US 274280D A US274280D A US 274280DA US 274280 A US274280 A US 274280A
- Authority
- US
- United States
- Prior art keywords
- belt
- belting
- edwin
- leather
- belts
- Prior art date
- 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
Links
- 239000000463 material Substances 0.000 description 12
- 239000010985 leather Substances 0.000 description 10
- 238000009958 sewing Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 229920000914 Metallic fiber Polymers 0.000 description 2
- 240000003344 Silene chalcedonica Species 0.000 description 2
- 210000004722 Stifle Anatomy 0.000 description 2
- -1 canvas Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
Images
Classifications
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
- F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
Definitions
- Fig. 3 is shown a longitudinal section of the belt, taken on the line of one of the rows of stitches designated by the reference-letters a a.
- a leather belt thus made requires no preliminary stretching, but its fibers are left intact and unimparied, and whether the belt is composed of leather, canvas, rubber, or
- the described sewing as to relieve the fibers of the material of the greater portion of the strain, effectually prevent the stretching of the belt, and render one edge thereof as strong as the other, thus causing said belt to invariably track true and retain its efficiency.
- said sewing imparts to the single belt now in use.
- a single beltstitched near the edges in the manner shown and described stifl'ens the edges thereof, so that when said belt is applied to cone-pulleys the edges of thebelt are capable of resisting the outward or upward pull incident to their fric tional contact with the adjacent vertical face of the pulley.
- any portion of the hide can be used.
- a belt made from the flank or spongy portion of the hide is as center of the hide.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Description
(No Hndel.)
' E. M. GROSS.
BELTING. V No. 274,280. Patented Mar. 20, 1883.
, I La WITNESSES RH/ENTER" m Fri-ens. hnwumwr. Wnhinglnn. n. c.
UNITED STATE s PATENT OFFICE.
- EDWIN M. cRoss,oF SYRACUSE, NEW YORK.
BELTING.
SPECIFICATION forming part of Iletters Patent No. 274,280, dated March 20, 1883.
Application filed February 1, 1883. (No model.)
To all whom it may concern Be it known that I, EDWIN M. GRoss,of
State of New York, have invented new and useful Improvements in Belting, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.
It is a well-known fact to mechanical engineers and machinists that the ordinary belting at present in the market will, after a short usage, stretch, so as to lose its frictional hold on the pulleys, and requires frequent tightening. This defect has in many instances led to the employment of double belts. These, however, are more expensive, and do not afford a strength proportionate to the quantity ,ofmaterial, owing to the difference in the lengths of the inner and outer layer of material when stretched on two pulleys, and the consequent unequal strain on said layers of material.
Manufacturers of belts have attempted to take the stretch out of the belting by sub jecting it to a stretching-machine; but this treatment has only replaced theaforesaid defects by other and more serious defeets-viz.,
it frequently weakened the belting by excessi've strain of its fibers, and when suchbelting is applied to use it almost invariably twists and warps, so as to deprive it of an effective hold on the ing truly.
Attempts have been made to re-enforce single-thick belting by the use of strands of wire pulley and of its capacity of trackstretched along the surface of the belting,
' and fastened thereto at intervals; but it is obvious that such construction does not combine the wire with the belt in such a manner as to impart to the belt the desired stability.
It isto obviate the aforesaid defects by simple and comparativelyinexpensive means which my invention hasfor its object; and to that end it consists essentially in stitching a single-thick belt longitudinally with waxed or metallic thread.
In leather belts one row of stitches near each edge thereof, as shown in Figure 1 of in Fig. 2of the drawings.
In Fig. 3 is shown a longitudinal section of the belt, taken on the line of one of the rows of stitches designated by the reference-letters a a. A leather belt thus made requires no preliminary stretching, but its fibers are left intact and unimparied, and whether the belt is composed of leather, canvas, rubber, or
the described sewing as to relieve the fibers of the material of the greater portion of the strain, effectually prevent the stretching of the belt, and render one edge thereof as strong as the other, thus causing said belt to invariably track true and retain its efficiency. In fact, said sewing imparts to the single belt now in use. Furthermore, a single beltstitched near the edges in the manner shown and described stifl'ens the edges thereof, so that when said belt is applied to cone-pulleys the edges of thebelt are capable of resisting the outward or upward pull incident to their fric tional contact with the adjacent vertical face of the pulley.
When my improved belting is made of leather, any portion of the hide can be used. Experience has proved that a belt made from the flank or spongy portion of the hide is as center of the hide.
| nesses of leather and of other material have been sewed longitudinally; but such sewing was applied merelyfor the purpose of uniting the unequal distribution of the strain on the several layers or thicknesses of the belt, as before stated, the sewing of such belting cannot produce .the effect derived when applied to a single thick belt.
FREDERICK H. GIBBs.
I am aware that belts of two or more thick other equivalent material, it is so'reenforced by a strength equal to that of the double belts strong and eflective as one made from the a the several layers of material, and, owing to Having described my invention, whatl claim
Publications (1)
Publication Number | Publication Date |
---|---|
US274280A true US274280A (en) | 1883-03-20 |
Family
ID=2343510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US274280D Expired - Lifetime US274280A (en) | Edwin m |
Country Status (1)
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US (1) | US274280A (en) |
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0
- US US274280D patent/US274280A/en not_active Expired - Lifetime
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