US191361A - Improvement in car-springs - Google Patents
Improvement in car-springs Download PDFInfo
- Publication number
- US191361A US191361A US191361DA US191361A US 191361 A US191361 A US 191361A US 191361D A US191361D A US 191361DA US 191361 A US191361 A US 191361A
- Authority
- US
- United States
- Prior art keywords
- springs
- car
- improvement
- spring
- bar
- 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
- 239000002184 metal Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
Definitions
- My invention relates to improvements in springs composed of steel bars coiled and tempered and the object of my invention is to increase the strength without any sacrifice of proper resiliency, and to prevent fracture.
- Figure 1 is a side view, partly in section, of my improved spring, and Figs. 2 and 3 sections, drawn to an enlarged scale, of the bar of which the spring is composed.
- a preponderance of metal at and near the inner edge of the coiled bar insures the strongest spring, but thelatter is most liable to break where there is the greatest bulk of metal hence the main feature of my invention, which consists in making the outer edge of the bar thicker than the inner edge, by forming on the said outer edge a light flange, m, of such a depth that when the coil is compressed, metal to metal, the contact will be at the flange only, (see Fig.2,) the portions of the coil composed of the heavy portions of the bar being free from contact with each other; in other words, the compression of the inner massive portion of the coil is restricted by the flange at the outer edge of the coil.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Description
A. MIDDLETON.
CAR-SPRING.
No. 191,361, Patent edMay 29,1877.
WW- M N. PETERS, PHOTD-UTHOGRAPHER, WASNMGTON D O.
UNITED STATES PATENT OFFICE-l.
ALLEN MIDDLETON, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN CAR-SPRINGS.
Specification forming part of Letters Patent No. 191,361, dated May 29, 1877 application filed February 27, 1877.
To all whom it may concern:
Be it known that I, ALLEN MIDDLETON, of
Philadelphia, Pennsylvania, have invented a new and useful Improvement in (Jar-Springs, of which the following is a specification:
' My invention relates to improvements in springs composed of steel bars coiled and tempered and the object of my invention is to increase the strength without any sacrifice of proper resiliency, and to prevent fracture.
In the accompanying drawing, Figure 1 is a side view, partly in section, of my improved spring, and Figs. 2 and 3 sections, drawn to an enlarged scale, of the bar of which the spring is composed.
It will be seen that the coiled bar composing the spring is thickest, but lightest, at its outer edge, while the preponderance of metal is at or near the inner edgea rule which must be observed for the following reasons in carrying out my invention, although the sectional form,
of the bar may be varied. A preponderance of metal at and near the inner edge of the coiled bar, (a feature which of itself I do not claim,) insures the strongest spring, but thelatter is most liable to break where there is the greatest bulk of metal hence the main feature of my invention, which consists in making the outer edge of the bar thicker than the inner edge, by forming on the said outer edge a light flange, m, of such a depth that when the coil is compressed, metal to metal, the contact will be at the flange only, (see Fig.2,) the portions of the coil composed of the heavy portions of the bar being free from contact with each other; in other words, the compression of the inner massive portion of the coil is restricted by the flange at the outer edge of the coil.
I claim as my invention- A car spring, composed of a coiled bar shaped substantially as described-that is, thickest but lightest at the outer edgeand having the preponderance of metal at or near the inner "edge, so that when the spring is under pressure the contact of the coils with each other at and near the inner edge shall be prevented by the contact of the coils at the outer edge, all substantially as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
ALLEN MIDDLETON.
Witnesses HERMANN MoEssNER, HARRY SMITH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US191361A true US191361A (en) | 1877-05-29 |
Family
ID=2260768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US191361D Expired - Lifetime US191361A (en) | Improvement in car-springs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US191361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110146604A1 (en) * | 2009-12-22 | 2011-06-23 | Honda Motor Co., Ltd. | Valve train of internal combustion engine |
-
0
- US US191361D patent/US191361A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110146604A1 (en) * | 2009-12-22 | 2011-06-23 | Honda Motor Co., Ltd. | Valve train of internal combustion engine |
| US8479696B2 (en) * | 2009-12-22 | 2013-07-09 | Honda Motor Co., Ltd | Valve train of internal combustion engine |
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