US117798A - Improvement in joist-hooks - Google Patents
Improvement in joist-hooks Download PDFInfo
- Publication number
- US117798A US117798A US117798DA US117798A US 117798 A US117798 A US 117798A US 117798D A US117798D A US 117798DA US 117798 A US117798 A US 117798A
- Authority
- US
- United States
- Prior art keywords
- joist
- improvement
- hooks
- hook
- lever
- 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
- 238000010276 construction Methods 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
- B66F15/00—Crowbars or levers
Definitions
- the ligure is a side view of my improved device, part being broken away to show the construction.
- My invention has for its object to furnish a simple, effective, and convenient device for raising joists after being placed in a wall to level them; and it consists in the construction and combination of the various parts of the device, as hereinafter more fully described.
- A is a standard, to the upper end of which is pivoted a lever, B. To the forward end of the lever B is pivoted the shank of a hook, C. To the standard A, a little above its lower end, is
- a guidesocket, c' through which the shank ofthe hook C passes.
- the standard A is placed upon the top of the wall near the end of the joist to be raised, with the hook C projecting downward along the said ,joist.
- the free end of the lever B is then raised, which throws the lower or hooked end ofthe hook C forward, so as to pass beneath the lower edge of the joist.
- the free end of the lever Bis then pressed downward, which raises the end of the joist and allows it to be conveniently leveled.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Description
JAMES sQ MILLER. y
Improvement n Joist-Hook.
Patented August 8, 1871.
UNITED STATES PATENT FFICE.
JAMES S. MILLER, OF TERRE HAUTE, INDIANA.
IMPROVEMENT IN JUIST-HOOKS.
To all whom it may concern:
Be it known that I, J AMES S. MILLER, of Terre Haute, in the county of Vigo and State of Indiana, have invented a new and useful Improvement in Joist-Hook; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing forming part of this specification.
The ligure is a side view of my improved device, part being broken away to show the construction.
My invention has for its object to furnish a simple, effective, and convenient device for raising joists after being placed in a wall to level them; and it consists in the construction and combination of the various parts of the device, as hereinafter more fully described.
A is a standard, to the upper end of which is pivoted a lever, B. To the forward end of the lever B is pivoted the shank of a hook, C. To the standard A, a little above its lower end, is
securely attached an arm, D, to the outer end of which is attached, or in it is formed, a guidesocket, c', through which the shank ofthe hook C passes. the standard A is placed upon the top of the wall near the end of the joist to be raised, with the hook C projecting downward along the said ,joist. The free end of the lever B is then raised, which throws the lower or hooked end ofthe hook C forward, so as to pass beneath the lower edge of the joist. The free end of the lever Bis then pressed downward, which raises the end of the joist and allows it to be conveniently leveled.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The standard A, lever B, hook C, and arm D c', said parts being constructed and arranged in connection with each other, substantially as herein shown and described, and for the purpose set forth.
Witnesses: JAMES S. MILLER.
GEORGE RoMMEL, CHAs. KANTNER.
In using the device the lower end of
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US117798A true US117798A (en) | 1871-08-08 |
Family
ID=2187255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US117798D Expired - Lifetime US117798A (en) | Improvement in joist-hooks |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US117798A (en) |
-
0
- US US117798D patent/US117798A/en not_active Expired - Lifetime
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