US96226A - Improved extension-scaffold - Google Patents
Improved extension-scaffold Download PDFInfo
- Publication number
- US96226A US96226A US96226DA US96226A US 96226 A US96226 A US 96226A US 96226D A US96226D A US 96226DA US 96226 A US96226 A US 96226A
- Authority
- US
- United States
- Prior art keywords
- scaffold
- improved extension
- extension
- arms
- building
- 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
- 239000002965 rope Substances 0.000 description 6
- 230000003028 elevating Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
- E04G1/20—Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong
Definitions
- the b exhibits the upright'shafts, in which the platform d, upon which the painter stands, is elevated, by means ofthe rope n, passing through pulley @and winding on the windlass e.
- the arms c, (and l in the extenson,) Test against the building, keeping the scaffold p'erpendicular; -the pressure of weight being toward the i building, keeping the centre of gravity between the' building and base of scaifold, the arms c also serving to bind the top of upright shafts.
- the rope m passes through three pulleys, fq h, and winds on windlass la, and is used in elevating theplat-v A form d in the extension j, whichcomrnences at armsc.
- Figure No. 2 is a side view of same, showing more particularly the arms', platform, and cog-wheels.
- my invention consists in'an extenpurposes, more particularly inbuildings where the useof a scaffold is indispensable.A By its use afpainter can elevate or lower himself with great convenience,- and with perfect safety, as hereinafter more fully described. p
- A is the foundation upon which the superstructure rests, and should be substantially constructed.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Glass Compositions (AREA)
Description
in the county of Snyder, and State of Pennsylvania,
' sion-scaffold, which is intended to be used for paintingrETEE L. EarNs, 0E- EEEEEUEG, PENNSYLVANIA.
Letters Patent No. 96,2216, dated October 26, 1869.
IMPROVED EXTEN'SIQN-SCAFFOLD.
The Schedule referred to in these Letters P atent and making part of the same.
b exhibits the upright'shafts, in which the platform d, upon which the painter stands, is elevated, by means ofthe rope n, passing through pulley @and winding on the windlass e. The arms c, (and l in the extenson,) Test against the building, keeping the scaffold p'erpendicular; -the pressure of weight being toward the i building, keeping the centre of gravity between the' building and base of scaifold, the arms c also serving to bind the top of upright shafts.
The rope m passes through three pulleys, fq h, and winds on windlass la, and is used in elevating theplat-v A form d in the extension j, whichcomrnences at armsc.
Having thus fully described my invention,
What yI claim, and desire to secure by Letters Patent, is-
The upright shaftsb, extension j, pulleys, ,h, g, and f, ropes m and ,111,'and platform d, all constructed, arranged, andoperating substantially as herein described,
land for the purpose set forth.
` PETER L. HAINS.
To all whom it may concern Be it known that I, PE'rEnL. Hams, of Freeburg,
have invented certain new and useful Improvements in a Painters Extension-Scaold; and I do hereby declare that the following is a full, clear,'and exact de scription thereof, which will enable others skilled in the art to make and use the same, reference being` had to the accompanyingdrawing, forming part of this specification', in which y Figure No. 1 is a front view o said scaffold, embodying ni'y invention.
Figure No. 2 is a side view of same, showing more particularly the arms', platform, and cog-wheels.
The nature of my invention consists in'an extenpurposes, more particularly inbuildings where the useof a scaffold is indispensable.A By its use afpainter can elevate or lower himself with great convenience,- and with perfect safety, as hereinafter more fully described. p
A is the foundation upon which the superstructure rests, and should be substantially constructed.
Witnesses:
WM.' H. DILL,
F. G. GLASS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US96226A true US96226A (en) | 1869-10-26 |
Family
ID=2165693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US96226D Expired - Lifetime US96226A (en) | Improved extension-scaffold |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US96226A (en) |
-
0
- US US96226D patent/US96226A/en not_active Expired - Lifetime
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