US70115A - Oliver l - Google Patents
Oliver l Download PDFInfo
- Publication number
- US70115A US70115A US70115DA US70115A US 70115 A US70115 A US 70115A US 70115D A US70115D A US 70115DA US 70115 A US70115 A US 70115A
- Authority
- US
- United States
- Prior art keywords
- lever
- oliver
- piece
- wheel
- pinney
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 241000940612 Medina Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003389 potentiating Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions
Definitions
- Figure 2 is an elevation of the opposite side.
Description
uiten tetes @anni ffizn.
loLIvER-L. PINNEY, on BRUNSWICK,l oHIo. Letters .Potent No. 70,115, dated October 22, 1867.
-IMPRDVEMEN T IN LIFTING-JAGK,
Be it known Athat I, OLIVER L. PINNEY, of Brunswiek,lin the county of Medina, and State of Ohio, have invented a new and useful Improvement in Lifting-Jacks; and I do hereby vdeclare that the following is a full, clear, and exact description' of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, in 'which- Figure 1 is an elevation of one side, and
Figure 2 is an elevation of the opposite side.
Into the bed-pieceA is firmly framed the wedge-shaped piece B. On the edge of this are fastened two strips of iron, or other metal, C C. A lever, D, turns the segment of al toothed wheel, E. To the movable piece F are attached fourvmetallic pieces G G G G, having grooves on their inner sides to receive the edges of the iron strips C C. To the same piece is firmlyfastened the strip H, toothed on one side to fit into the teeth of the segmental wheel E.
By bearing down the lever D the wheel E is turned, and the movable piece F is raised. When thus raised it is held in its place by the link I, fastened to the piece F, as represented, and having a slot in its lower end in which works a pin, K. When the piece F is raised to the proper height the points M, K, and L form a triangle, with its apex towards the long end of the lever D, and consequentlya-ny downward pressure on the pieeeF will tend to keep down the long end of the lever D. l
. What I claim as my invention, and desire to secure by Letters Patent, is-
The ,lever D, wheel E, and toothed niece II, in combination with the link I, substantially as set forth.
OLIVER L. PINNEY,
Witnesses:
JAMEs A. Roer, S. E. LANPHEAR.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US70115A true US70115A (en) | 1867-10-22 |
Family
ID=2139634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US70115D Expired - Lifetime US70115A (en) | Oliver l |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US70115A (en) |
-
0
- US US70115D patent/US70115A/en not_active Expired - Lifetime
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