US271619A - Step-ladder - Google Patents
Step-ladder Download PDFInfo
- Publication number
- US271619A US271619A US271619DA US271619A US 271619 A US271619 A US 271619A US 271619D A US271619D A US 271619DA US 271619 A US271619 A US 271619A
- Authority
- US
- United States
- Prior art keywords
- ladder
- side pieces
- same
- brace
- legs
- 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
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 240000008669 Hedera helix Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
Definitions
- This invention relates to folding step ladtiers, and has for its object to produce a simple, durable, inexpensive, and efficient device. To this end it consists in certain improvements in the construction and arrangement of parts.
- Figure l is a perspective view of the ladder extended.
- Fig. 2 is a vertical sectional view
- Fig. 3 is a perspective view of the same folded.
- A designates the main portion of the ladder, comprising side pier-es, B B, supporting suitablyarranged steps O, and preferably curved near their tops, as shown at D D.
- E is the supporting portion, comprising legs F F, which may be connected at their lower part by a brace, G, and are pivoted at their tops, as at H H, to the sides 13 B, at their curved part, and extend some distance in front of the same, their forward ends resting on a cross-brace, I, between the side pieces, B B.
- step J is a cross-piece, of wood, cast-iron,or other suitable material, secured on the tops of supports F F, thus forming-a convenient and secure step in the most used position, independent of the side pieces, B B, and projecting out in front of the same.
- This step J being most used, and especially adapted to bear the weight of the person standing on the same when using the ladder, is especially secure, being supported, exclusive of theother steps, by legs F F, which in turn are supported by cross-brace l and their pivots. Owing to the step J project: ing in front of the sides greater standing room is secured.
- the ladder can be readily extended or folded up when not in use in very compact form,and is of superior convenience and utility.
- the side pieces, B B, and legs F F are preferably formed of bent wood, ashereiu shown.
- a step-ladder the combination, with the side pieces supporting suitably-arranged steps, and curved rearwardly near their top, at which curved portion they are provided with a suitable cross-brace, of legs or supports pivoted to the side pieces at said curved portion, with their top ends extending some distance in front ofthe same, and adapted to rest on the cross-brace, and'provided with a suitable crossstrip forming an independent step in t'rontof the side pieces, as and for the purpose specified.
Landscapes
- Ladders (AREA)
Description
E.. R. FLINT.
STEP LADDER.
No. 271,619. Patented Feb. 6, 1883.
D INVENTOR. WITNESSES:
23d W 5 I I 7 1 I UNITED STATES PATENT OFFICE.
EZRA a. FLINT, or ADRIAN, MICHIGAN.
STEP-LADDER.
SPECIFICATION forming part of Letters Patent No. 271,619, dated February 6, 1883. Application filed May 26, 1882. (No model.)
To all whom it may concern:
Be itknown that I, EZRA R. FLINT, ofAdrian, in the county of Lenawee and State of Michigan, have invented certain new and useful Improvements in Step-Ladders; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.
This invention'relates to folding step ladtiers, and has for its object to produce a simple, durable, inexpensive, and efficient device. To this end it consists in certain improvements in the construction and arrangement of parts.
In the drawings, Figure l is a perspective view of the ladder extended. Fig. 2 is a vertical sectional view, and Fig. 3 is a perspective view of the same folded.
Referring by letter to the drawings, A designates the main portion of the ladder, comprising side pier-es, B B, supporting suitablyarranged steps O, and preferably curved near their tops, as shown at D D.
E is the supporting portion, comprising legs F F, which may be connected at their lower part by a brace, G, and are pivoted at their tops, as at H H, to the sides 13 B, at their curved part, and extend some distance in front of the same, their forward ends resting on a cross-brace, I, between the side pieces, B B.
J is a cross-piece, of wood, cast-iron,or other suitable material, secured on the tops of supports F F, thus forming-a convenient and secure step in the most used position, independent of the side pieces, B B, and projecting out in front of the same.' This step J, being most used, and especially adapted to bear the weight of the person standing on the same when using the ladder, is especially secure, being supported, exclusive of theother steps, by legs F F, which in turn are supported by cross-brace l and their pivots. Owing to the step J project: ing in front of the sides greater standing room is secured.
The operation and advantages of the invention will be readily understood.
The ladder can be readily extended or folded up when not in use in very compact form,and is of superior convenience and utility.
The side pieces, B B, and legs F F are preferably formed of bent wood, ashereiu shown.
I claim and desire to secure by Letters Patent- 1. In a step ladder, the combination, with the side pieces supporting suitably-arranged steps, of the legs or supports secured to the same near their top and continued forward for some distance in front of the top step, so as to receive a cross-strip forming an independent step, as set forth. i 2. In a step-ladder, the combination, with the side pieces supporting suitably-arranged steps, and provided near their top with a cro s brace, of legs or supports pivoted to the side pieces, with their top ends extending some distance in front of the same, and adapted to rest on the crossbrace, and provided with a suitable crossstrip forming an independent step in front of the side pieces, as and for the purpose specified.
3. In a step-ladder, the combination, with the side pieces supporting suitably-arranged steps, and curved rearwardly near their top, at which curved portion they are provided with a suitable cross-brace, of legs or supports pivoted to the side pieces at said curved portion, with their top ends extending some distance in front ofthe same, and adapted to rest on the cross-brace, and'provided with a suitable crossstrip forming an independent step in t'rontof the side pieces, as and for the purpose specified.
In testimony that I claim the foregoing as my own I have hereto affixed my signature in presence of two witnesses.
EZRA Pt. FLI NT.
Witnesses:
W. F. CORNELL, EVAN W. CORNELL.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US271619A true US271619A (en) | 1883-02-06 |
Family
ID=2340855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US271619D Expired - Lifetime US271619A (en) | Step-ladder |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US271619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5665097A (en) * | 1979-05-30 | 1981-06-02 | Lion Corp | Manufacture of fatty acid lower alcohol ester |
-
0
- US US271619D patent/US271619A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5665097A (en) * | 1979-05-30 | 1981-06-02 | Lion Corp | Manufacture of fatty acid lower alcohol ester |
| JPS6151000B2 (en) * | 1979-05-30 | 1986-11-06 | Lion Corp |
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