US195747A - Improvement in fire-escapes - Google Patents
Improvement in fire-escapes Download PDFInfo
- Publication number
- US195747A US195747A US195747DA US195747A US 195747 A US195747 A US 195747A US 195747D A US195747D A US 195747DA US 195747 A US195747 A US 195747A
- Authority
- US
- United States
- Prior art keywords
- fire
- escapes
- bars
- improvement
- platform
- 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
- 210000001503 Joints Anatomy 0.000 description 4
- 210000002832 Shoulder Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
Definitions
- A is a platform supported upon a truck, B, which may be of any ordinary construction.
- B Upon the platform A four T-shaped guides, G, are secured,
- E E are levers, that are pivotedinstandards F attached to the platform A, and extend outward under the central joint of the lower bars a, and inward under a plate, G.
- Pulleys c are journaled between ears projecting from the under surface of the plate F.
- Ropes or chains 01 are attached to the slides D, and run over the pulleys c, and downward to a Windlass, G, under the platform A, to which Windlass they are attached.
- the Windlass G has upon it a spur-wheel, e, that is driven by a pinion,f, on the shaft 9, which is journaled to the truck-frame, and is provided with cranks H, having a jointed handle, I, that may be folded up when not in use.
- the said handle is provided with shoulders that are engaged by a spring-key when the handle is either open or folded.
- a basket, J is suspended by cords z from the corner curxed pieces b, that connect the upper bars.
- the platform A may be provided with screws, by which it may be inclined so as to throw the fire-escape toward the building when required.
Description
J. DAVENPORT.
FIRE-ESCAPES.
No 195,747, Patented Oct.2,1877.
ATTORNEYS.
NJETERS, PHOTO-UTHOGRAF'HER. WASIHQIGTON D C,
UNITED STATES PATENT OFFICE.
JOSEPH DAVENPORT, OF MASSILLON, OHIO.
IMPROVEMENT IN Fl RE-ESCAPES.
Specification forming part of Letters Patent No. 195,747, dated October 2, 1877 application filed July 9, 1877'.
portions of buildings.
Referring to the drawing, A is a platform supported upon a truck, B, which may be of any ordinary construction. Upon the platform A four T-shaped guides, G, are secured,
which are placed at right angles to each other, and upon each of which a head or slide, D, is placed.
I Four sets of bars, a, are jointed together to form the well-known lazy-tongs, and are secured together at their outer joints by the curved pieces I), which are apertured at their ends to receive the bolts of the joints. The bars of each series thus united diminish in length towardthe top of the series, so that all,
when united, form a structure of pyramidal shape.
E E are levers, that are pivotedinstandards F attached to the platform A, and extend outward under the central joint of the lower bars a, and inward under a plate, G.
Pulleys c are journaled between ears projecting from the under surface of the plate F. Ropes or chains 01 are attached to the slides D, and run over the pulleys c, and downward to a Windlass, G, under the platform A, to which Windlass they are attached.
The Windlass G has upon it a spur-wheel, e, that is driven by a pinion,f, on the shaft 9, which is journaled to the truck-frame, and is provided with cranks H, having a jointed handle, I, that may be folded up when not in use. The said handle is provided with shoulders that are engaged by a spring-key when the handle is either open or folded.
At the top of the device a basket, J, is suspended by cords z from the corner curxed pieces b, that connect the upper bars.
By turning the Windlass G the rope or chain (1 is drawn over the pulley c, and the slides D are drawn toward the center of the platform A, and at the same time the plate G is drawn downward, carrying with it the inner ends of the levers E, the outer ends raising and carrying with them the lower pairs of jointed bars, causing the four series of bars to move upward, carrying with them the basket J. The basket is lowered by reversing the operation.
The platform A may be provided with screws, by which it may be inclined so as to throw the fire-escape toward the building when required.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination of the windlass G, plate G, carrying pulleys c, levers E, the platform A, having guides O, and the bars a, jointed together, as described.
2. The combination of the levers E, having their front ends under plate G pivoted to standards F, and extended out under the central joint of bars a, with a lazy-tongs fire-escape, as and for the purpose specified.
JOSEPH DAVENPORT.
Witnesses:
THOMAS BLACKBURN, WILL. J. OBERLIN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US195747A true US195747A (en) | 1877-10-02 |
Family
ID=2265153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US195747D Expired - Lifetime US195747A (en) | Improvement in fire-escapes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US195747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053351A (en) * | 1960-02-19 | 1962-09-11 | Junius H Fulcher | Structural device |
-
0
- US US195747D patent/US195747A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053351A (en) * | 1960-02-19 | 1962-09-11 | Junius H Fulcher | Structural device |
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