US168292A - Improvement in pipe-tongs - Google Patents
Improvement in pipe-tongs Download PDFInfo
- Publication number
- US168292A US168292A US168292DA US168292A US 168292 A US168292 A US 168292A US 168292D A US168292D A US 168292DA US 168292 A US168292 A US 168292A
- Authority
- US
- United States
- Prior art keywords
- improvement
- pipe
- tongs
- lug
- jaw
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/06—Joints
- B25B7/10—Joints with adjustable fulcrum
Definitions
- lever B is constructed in the shape of a sleeve, with two lugs, 12 and W.
- Thissleeve b slides the shank of ahooked jaw, A, which may also be provided with a lug, a.
- To the lug b is attached a fulcrum-pin, 0, connecting the lever B with the toothed lever D.
- the lug 11 receives a thumb screw, E, which screws into the shank of the hooked jaw A, or
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Endoscopes (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Emergency Lowering Means (AREA)
Description
UNITE STATES- PATENT QFFIGE.
GEORGE SELDEN, on ERIE, PENNSYLVANIA.
IMPROVEMENT IN PlPE-TO NGS.
Specification forming part of Letters Patent No. 168,292, dated September 28, 1875 application filed July 24, 1875.
CASE B.
To all whom it may concern Be it known that I, GEORGE SELDEN, of the city of Erie, State of Pennsylvania, have have invented an Improvement in Pipe-Ton gs, of which the following is a specification The object of my invention is to construct adjustable pipe-tongs in such a manner as to render them at once simple, strong, and efl'ective. To this end they are constructed as follows The end I) of lever B is constructed in the shape of a sleeve, with two lugs, 12 and W. In thissleeve b slides the shank of ahooked jaw, A, which may also be provided with a lug, a. To the lug b is attached a fulcrum-pin, 0, connecting the lever B with the toothed lever D. The lug 11 receives a thumb screw, E, which screws into the shank of the hooked jaw A, or
into and through the lug a on the shank of the hooked jaw A and jaw D,'as described and shown.
GEO. SELDEN. Witnesses: I
JNo. H. BLIss, JNo. W. LITTLE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US168292A true US168292A (en) | 1875-09-28 |
Family
ID=2237701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US168292D Expired - Lifetime US168292A (en) | Improvement in pipe-tongs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US168292A (en) |
-
0
- US US168292D patent/US168292A/en not_active Expired - Lifetime
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