US74177A - Geobge s - Google Patents
Geobge s Download PDFInfo
- Publication number
- US74177A US74177A US74177DA US74177A US 74177 A US74177 A US 74177A US 74177D A US74177D A US 74177DA US 74177 A US74177 A US 74177A
- Authority
- US
- United States
- Prior art keywords
- geobge
- hooks
- ell
- ladder
- cord
- 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
- 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
- E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
Landscapes
- Ropes Or Cables (AREA)
- Transmission Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
`ne, for instance, in the petent of C. Udell, Marcli 26, 1867', .tlierefore doy not wish to claim broadly the l use of hooks and arms,but
` What I do claimas new, and desire to secure by Letters Patent, isy i 1. In a combined' extension and step-ladder, the hooks 1,' and arm n, in combination with ladders A B, cord b, pulley mand crankshaift a d, all constructed, arranged, and operating substantially as described und for thepurpos@ specified. i
2. In combination with the above', I-clairn the hook r and guides e, substantially as described.
3. The combined extension and step-ladder, constructed; substentialiy as described, and consisting of the sections A B, hooks z', arm n, guides c, pulley m, cord b, and crank-shaft a d, ell arranged and operating substantially asset forth. V
GEORGE. S. WALKER.
Witnesses:
M. N, Loy/ELL, A.r BLETHEN.
i l l
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US74177A true US74177A (en) | 1868-02-04 |
Family
ID=2143686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US74177D Expired - Lifetime US74177A (en) | Geobge s |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US74177A (en) |
-
0
- US US74177D patent/US74177A/en not_active Expired - Lifetime
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