US136923A - Improvement in door-springs - Google Patents
Improvement in door-springs Download PDFInfo
- Publication number
- US136923A US136923A US136923DA US136923A US 136923 A US136923 A US 136923A US 136923D A US136923D A US 136923DA US 136923 A US136923 A US 136923A
- Authority
- US
- United States
- Prior art keywords
- door
- spring
- bulb
- improvement
- springs
- 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
- 239000007787 solid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/006—Attachment of buckle to strap
- A44B11/008—Attachment of buckle to strap extensible
-
- 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
Definitions
- AM PHoTou rHasRAPH/c ca me (osaanns moeras) formed by the combination of the inclosed of Chicago, in the county of Cook and State "is formed around an elliptical coiled-wire bulb A is formed a hole, c1, to allow the air p to pass in and out with difficulty.
- Figure l is a detail longitudinal section of my improved door-spring.
- Fig. 2 is a detail cross-section of the same taken through the line c* x, Fig. l.
- My invention has for its object to furnish an improved rubber door-spring, which shall be so constructed as to cause the door to close gradually and without slamming.
- Theinvention consists in an improved door-spring elliptical coiled-wire spring, having its ends embedded in the solid end parts of the rubber bulb, with said bulb having a hole in its side, and its solid ends perforated to receive the fastenings, as hereinafter fully described.
- A represents an elliptical rubber bulb, which spring, B.
- the body of the coiled spring is loose in the cavity, but its ends are embedded in the solid rubber ends of the bulb A, as shown in Figs. l and 2.
- In one side of the ring is raised on the rubber around the hole al on the inside of the bulb A, to prevent the wire from closing the said hole.
- -lhrough the solid ends of the rubber bulb are formed holes c2, to receive the piece by which it is connected with the door anddoor-casing.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
Description
wl M. KELLE.
Door-Springm NO. 136,923. PatentedMarch8,1873.
AM PHoTou rHasRAPH/c ca me (osaanns moeras) formed by the combination of the inclosed of Chicago, in the county of Cook and State "is formed around an elliptical coiled-wire bulb A is formed a hole, c1, to allow the air p to pass in and out with difficulty. A small UNITED STATES N PATENT OFFICE.
WILLIAM M. KELLIE, OF CHICAGO, ILLINOIS.
*IMPROVEMENT IN DOOR-SPRINGS.
Specicationforming part of Letters Patent No. 136,923, dated March 1S, 1672i.
To all whom it mcy concern:
`Be it known that I, WILLIAM M. KELLIE,
ot' Illinois, have invented a new and usei'ul Improvement in Door-Spring, 'ot' which the following` is a specification:
Figure lis a detail longitudinal section of my improved door-spring. Fig. 2 is a detail cross-section of the same taken through the line c* x, Fig. l.
Similar letters of reference indicate correspending parts.
My invention has for its object to furnish an improved rubber door-spring, which shall be so constructed as to cause the door to close gradually and without slamming. Theinvention ,consists in an improved door-spring elliptical coiled-wire spring, having its ends embedded in the solid end parts of the rubber bulb, with said bulb having a hole in its side, and its solid ends perforated to receive the fastenings, as hereinafter fully described.
A represents an elliptical rubber bulb, which spring, B. The body of the coiled spring is loose in the cavity, but its ends are embedded in the solid rubber ends of the bulb A, as shown in Figs. l and 2. In one side of the ring is raised on the rubber around the hole al on the inside of the bulb A, to prevent the wire from closing the said hole. -lhrough the solid ends of the rubber bulb are formed holes c2, to receive the piece by which it is connected with the door anddoor-casing.
By this construction, when the door is opened, the bulb A and coiled-wire spring B will be drawn out or elongated, and the coiled spring B will prevent the bulb A from collapsing, and will thus 'insure the entrance of the air, which from the diculty with which it is expelled from the cavity through the small hole c1, will prevent the too rapid contraction of the spring, and thus close the door gradually and without slamming.V
Having thus described my invention, I
claim as new and desire to secure by Letters Patent- An improved door-spring, formed by the combination of .the inclosed elliptical coiled wire spring B, having its ends embedded in the solid end parts of the rubber bulb A, with said bulb A having a hole in its side, and its solid ends perforated to receive the iastenings, substantially as herein shown and described.
XVILLIAM M. KELLIE.
Vitnesses:
JOHN KELLIE, HERE/[EN LEMKER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US136923A true US136923A (en) | 1873-03-18 |
Family
ID=2206339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US136923D Expired - Lifetime US136923A (en) | Improvement in door-springs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US136923A (en) |
-
0
- US US136923D patent/US136923A/en not_active Expired - Lifetime
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