US143908A - Improvement in pipe-wrenches - Google Patents
Improvement in pipe-wrenches Download PDFInfo
- Publication number
- US143908A US143908A US143908DA US143908A US 143908 A US143908 A US 143908A US 143908D A US143908D A US 143908DA US 143908 A US143908 A US 143908A
- Authority
- US
- United States
- Prior art keywords
- pipe
- wrenches
- eccentric
- improvement
- wrench
- 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
- 210000001847 Jaw Anatomy 0.000 description 14
- 210000001699 lower leg Anatomy 0.000 description 8
- 241000282693 Cercopithecidae Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
- B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
- B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
- B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
- B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
- B25B13/505—Pivotally moving or adjustable
Definitions
- the nature of this invention relates to an improvement in that class of wrenches which are designed to grasp-and turn pipes and other cylindrical objects, and has for its object to furnish a tool which will enable the operator toy grasp objects having a wider range of diameter than others of its class 5 and it consists in the peculiar construction of a hooked monkey-Wrench with a serrated eccentric pivoted in the point of the hook, as more fully hereinafter set forth.
- Figure l is a perspective view of my improved wrench in the act of turning a cylindrical object.
- Fig. 2 is a side elevation of the same turning away from the object 'to get a fresh gripe thereon.
- A represents the shank-of my Wrench, terminating in a hook, A', in which is pivoted a chuck, in the form of a serrated eccentric, B.
- the lower part of the shank is screw-threaded, and on it moves a nut, G, with which engages a jaw, D, sleeved and sliding on the upper part of the shank.
- the face of the jaw is serrated, as at b.
- the jaw may be retracted to grasp large ob jects until the eccentric describes a quarterrevolution to grasp them, (beyond which it has no hold upon the object,) thus giving the tool a large range of capacity.
- a stationary jaw may be forged or cast on the opposite edge of the shank, and another on the opposite face of the sleeve, thus making a combined monkey and pipe wrench.
Description
UNITED STATES DAvrD D. INGEAM, or
PATENT OFFICE.
MANISTEE, MICHIGAN. Y
IMPROVEMENT IN PIPE-WRENCHES.
Specification forming part of Letters Patent N0. 143,908, dated October 21,1873; application filed July 8, 1873.
To-all whom it may concern:
Be it known that I, DAVID D. INGRAM, of Manistee, in the county of Manistee and State of Michigan, have invented an Improved Pipe- Wrench, of which the following is a speciiication:
The nature of this invention relates to an improvement in that class of wrenches which are designed to grasp-and turn pipes and other cylindrical objects, and has for its object to furnish a tool which will enable the operator toy grasp objects having a wider range of diameter than others of its class 5 and it consists in the peculiar construction of a hooked monkey-Wrench with a serrated eccentric pivoted in the point of the hook, as more fully hereinafter set forth.
Figure l is a perspective view of my improved wrench in the act of turning a cylindrical object. Fig. 2 is a side elevation of the same turning away from the object 'to get a fresh gripe thereon.
Like letters refer to like parts in both figures.
In the drawing, A represents the shank-of my Wrench, terminating in a hook, A', in which is pivoted a chuck, in the form of a serrated eccentric, B. The lower part of the shank is screw-threaded, and on it moves a nut, G, with which engages a jaw, D, sleeved and sliding on the upper part of the shank.
The face of the jaw is serrated, as at b. The
form of the eccentric is such th at it iits the inner part of the hook A when closed into it.
When a pipe or rod is grasped between the eccentric and the jaw D, which latter is moved up by the nut for that purpose, and the wrench is turned in the direction of the arrow in Fig. l, the eccentric swings out of the hook a little, compressing the object against the jaw with a force proportionate to the power applied to the handle of the wrench-shank. When turned in the opposite direction, the eccentric falls back into the hook, and releases the jaw.
The jaw may be retracted to grasp large ob jects until the eccentric describes a quarterrevolution to grasp them, (beyond which it has no hold upon the object,) thus giving the tool a large range of capacity.
If desired, a stationary jaw may be forged or cast on the opposite edge of the shank, and another on the opposite face of the sleeve, thus making a combined monkey and pipe wrench.
What I claim as my invention, and desire to secure by Letters Patent, is'- The tool described, having the shank A,
with the pivoted eccentric B, and serrated jawl D, combined and arranged as described, for the purpose set forth.
DAVID D. INGRAM.
Witnesses H. F. EBERTs, CHAs. E. HUEsTIs.
Publications (1)
Publication Number | Publication Date |
---|---|
US143908A true US143908A (en) | 1873-10-21 |
Family
ID=2213321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US143908D Expired - Lifetime US143908A (en) | Improvement in pipe-wrenches |
Country Status (1)
Country | Link |
---|---|
US (1) | US143908A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716366A (en) * | 1954-07-15 | 1955-08-30 | Charles H Strang | Adjustable pipe wrench |
-
0
- US US143908D patent/US143908A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716366A (en) * | 1954-07-15 | 1955-08-30 | Charles H Strang | Adjustable pipe wrench |
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