US139296A - Improvement in fire-proof safes - Google Patents
Improvement in fire-proof safes Download PDFInfo
- Publication number
- US139296A US139296A US139296DA US139296A US 139296 A US139296 A US 139296A US 139296D A US139296D A US 139296DA US 139296 A US139296 A US 139296A
- Authority
- US
- United States
- Prior art keywords
- fire
- air
- improvement
- chamber
- proof safes
- 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
- 238000010276 construction Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
Definitions
- Figure l ⁇ represents a perspective view of my invention, the outer wall of the air-chamber being broken awayto show ⁇ the safe A, and a portion of one of the tubes or iiues being also removed to show the location of the apertures in the rear Wall of the air-chamber.
- Fig. 2 is a horizontal cross-section on the line oi' the eductionilue G.
- A represents the safe proper, constructed generally in any proper manner, and provided with a suitable door, as shown in Fig. 1.
- E represents an airchamber,formedV by walls of any proper material, which inclose the safe A upon all sides excepting its front.
- B B Bv B are ilues, which communicate at their outer ends with the air-chamber E through apertures in the corner of the walls, and at their inner ends with the central eduction-iiueG, as shown.
- the described construction is set in packing D, as shown in Fig. 2, in such manner that a space, F, is left between the door of the safe proper and an outer door, as
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Special Wing (AREA)
Description
N. CUNSTABLE.
Fire-Proof Safes. No. 139,296. Patentedmay27,1a73
WITNEssEs y mvEN-ron QZ-@MRZ @dla/K632i al M7 y www@ M75.
UNITED STATES NATHANIEL CONSTABLE, OF GARBOLLTON, ILLINOIS.
IMPROVEMENT IN FIRE-PROOF vSAFES.
Specication forming part of Letters Patent No. 139,296, dated May '27, 1873; application filed November 14, 1872.
To all whom it may concern:
" and apertures, as will be fully described hereinat'ter.
In the drawings, Figure l` represents a perspective view of my invention, the outer wall of the air-chamber being broken awayto show `the safe A, and a portion of one of the tubes or iiues being also removed to show the location of the apertures in the rear Wall of the air-chamber. Fig. 2 is a horizontal cross-section on the line oi' the eductionilue G.
To enable others skilled in the art to make and use my invention, I will now proceed to describe fully its construction and manner of operation.
A represents the safe proper, constructed generally in any proper manner, and provided with a suitable door, as shown in Fig. 1. E represents an airchamber,formedV by walls of any proper material, which inclose the safe A upon all sides excepting its front. B B Bv B are ilues, which communicate at their outer ends with the air-chamber E through apertures in the corner of the walls, and at their inner ends with the central eduction-iiueG, as shown. The described construction is set in packing D, as shown in Fig. 2, in such manner that a space, F, is left between the door of the safe proper and an outer door, as
lshown. This outer door is made to t loosely,
or perforations are made through it, as may be desired. Communication is also made between the air-chamber E and the space F by means of apertures a a, shown in dotted lines,
Fig. 1, in the front 4wall of the air-chamber.
By means of the described construction,
when the safe is exposed to heat from any cause, no matter what its position may be, a current of air is caused to pass through the air-chamber in one direction or the other, the heated air of course ascending, while the cold air ent-ers to supply its place. By this means any excess of heat is carried o, and its contents are prevented from injury.
'Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is
The box A, air-chamberV E, iiues B B B B and C, apertures a a a a a( a a a', with space F, constructed and arranged as described, A
for the purpose set forth.
This specification signed and witnessed this 8th day of November, 1872.
Witnesses: NATH-L. CON STABLE.
GHAs. D. MOODY, F. S. DAVENPORT.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US139296A true US139296A (en) | 1873-05-27 |
Family
ID=2208710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US139296D Expired - Lifetime US139296A (en) | Improvement in fire-proof safes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US139296A (en) |
-
0
- US US139296D patent/US139296A/en not_active Expired - Lifetime
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