US1109460A - Scuttle-ladder. - Google Patents
Scuttle-ladder. Download PDFInfo
- Publication number
- US1109460A US1109460A US82098714A US1914820987A US1109460A US 1109460 A US1109460 A US 1109460A US 82098714 A US82098714 A US 82098714A US 1914820987 A US1914820987 A US 1914820987A US 1109460 A US1109460 A US 1109460A
- Authority
- US
- United States
- Prior art keywords
- ladder
- door
- doorway
- scuttle
- side rails
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Description
. G. A. PRALL. SGUTTLE LADDER.
APPLIGATION FILED FBB.25, 1914.
1,109,4605 A Ptented Sept. 1, 1914.
2 SHEETS-SHEET l.
G. A. PRLL.
SCUTTLE LADDER.
API-LIUATION MLED Nzuz. w14.
i LlGQfLG, Patented Sept. 1, 1914.
2 SHEETS-SHEET 2.
3 wm/avitos lOl isfixed to the ladder H, while its opposit. end carries a balancing weight 2Q, and in this manner the trap door E and the ladder 'l1 are properly balanced for the convenient working` of the saine when the said trap door is opened or closed.
Carried at the inner face of one side rail 12 of the ladder H at the foot end thereof is a catch 21. the saine being pivotally snp- )orte'd and is adapted to engagea keeper plate 22 mounted onthe inner face of the trap door E so that the ladder 'H can be looked against lowering movement on the opening of the trap door until the catch '21 has been released from the plate Q2, whereupon the said ladder H can be extended into the rooin so that a person can ascend the saine for entrance to the attic B from the said rooln A, or 'rice Versa.
It will be apparent that when the trap door E has been closed, the ladder H is projected into the attic and is invisible from the rooin A, and also will be ont of the way so as not to occupy any space therein.
Frein the foregoing it is thought that the construction land manner of use of the de vice 'will be elearly understood, and therefore a more extended explanation has been omitted.
That is claimed is l. The combination with a tra doorway and wringing door therefor, o a ladder movable through the doorway, guide cleats fixed to the door and engageable with the side rails of the ladder, a railing `side rails of the ladder fixed to the l doorway and rising above the plane thereof, vertical posts rising froni the railing` and having cutaway portions for receiving, the side rails of the ladder and forming abutments therefor extended through the doorway and the door opened, and weighted balancing inea-ns sopported by -he nprights and connected withthe ladder.
2. The conibination'with a trap doorway and swinging` door therefor, of a ladder movable through the doorway, guide cleats fixed tothe door and engageable with the side rails of the ladder, a railing iXed to the doorway and rising above the plane thereof,
vertical posts rising` haring cnt-away portions for receiving the and forming ahntinents therefor' when the ladder has been extended through opened.y weighted balancing means support-- ed by the nprights and connectedwith the ladder, slotted keeperplates mounted in the inner face of the door` and gravity catches pivotally mounted on the side rails of the ladder for engagement in the keeper plates to look the ladder against sliding movement in the guide cleats on the opening of the door.
In testimony whereof I aflix my signature in presence of two Witnesses.
GEORGE Witnesses C. E. MCLELAND, A. H. Moonen.
A. PRALL.
when the ladder has been from the railing; and.
the doorway and the door
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82098714A US1109460A (en) | 1914-02-25 | 1914-02-25 | Scuttle-ladder. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82098714A US1109460A (en) | 1914-02-25 | 1914-02-25 | Scuttle-ladder. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1109460A true US1109460A (en) | 1914-09-01 |
Family
ID=3177650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US82098714A Expired - Lifetime US1109460A (en) | 1914-02-25 | 1914-02-25 | Scuttle-ladder. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1109460A (en) |
-
1914
- 1914-02-25 US US82098714A patent/US1109460A/en not_active Expired - Lifetime
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