US647685A - Combined pipe wrench and cutter. - Google Patents

Combined pipe wrench and cutter. Download PDF

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Publication number
US647685A
US647685A US73471899A US1899734718A US647685A US 647685 A US647685 A US 647685A US 73471899 A US73471899 A US 73471899A US 1899734718 A US1899734718 A US 1899734718A US 647685 A US647685 A US 647685A
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Prior art keywords
jaws
cutter
parallel
combined pipe
lever
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US73471899A
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John Stewart
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John Stewart
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16Connecting or disconnecting pipe couplings or joints
    • E21B19/161Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe

Description

No. 647,685. Patented Apr. l7,'l9'00. J. STEWART.
COMBINED PIPE WRENCH AND CUTTER.
(Applica'tion filed on. 25. 1899.)
(Nd Model.)
UNITED STATES PATENT OFFICE.
JOHN STEWART, OF FORT DEFIANCE, ARIZONA TERRITORY.
COMBINED PIPE WRENCH AND CUTTER.
SPECIFICATION forming part of Letters Patent No. 647,685, dated April 17, 1900.
Application filed October 25, 1899. Serial No. 734,718. (No model.)
To all whom it may concern: 7
Be it known that I, JOHN STEWART, a citizen of the United States, residing at Fort Defiance, in the county of Apache and Territory of Arizona, have invented certain new and useful Improvements in a Combined Pipe french and Cutter; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to improvements in combined pipe wrenches and cutters.
It has for its objects to provide for efficiency and expedition of operation and simplicity of construction and to lessen the cost of manufacture.
It consists of curved or arcuate jaws articulated or jointed together with rectilinear extensions or arms, one adapted to carry a removable cutter or bit and the others carrying between them rolls, and a handle or lever connected to the latter jaws and having a cam or enlargement adapted to act upon the cutter-carrying jaw-arm, all substantially as hereinafter more fully disclosed, and specificalliy pointed out in the claims,
n the accompanying drawings, Figure 1 is a perspective view of my combined pipe wrench and cutter in its preferred form. Fig. 2 is a side view thereof with the jaws in the open position. Fig. 3 is an axial section of the lever or handle and jaws between which it is articulated. Fig. 4 is a view showing the invention adapted to serve as a wrench only, the cutter and rolls being removed.
Latitude is allowed herein as to details, as they may be changed or varied at will without departing from the spirit of my invention and the same remain intact and be protected.
I11 the organization of my invention I employ two parallel curved or arcuate jaws 1 1 and a third similar jaw 2, with their outer ends articulated or jointed together, said ends being suitably adapted or formed with eyes to receive a headed and nutted pivot-bolt or pintle 2. Said jaws are provided with rectilinear extensions or arms 3 3, respectively, at their opposite ends and are themselves preferably serrated, notched, or toothed upon their concave or inner surfaces to afford a greater or increased gripping action thereof upon the pipe or article to which they may .be applied.
The handle or lever 4: is pivoted or fulcrumed between the extensions or arms 3 of the parallel jaws 1 1 by means, preferably, of a pivot-bolt 5 passed through the inner ends of said extensions or arms and through said handle or lever, said pivot-bolt being headed at one end and provided at its opposite end with a collar 6, having a right angled or bayonet slot 6 engaging a stud or projection 6 on said pivot-bolt. This collar, which would thus practically be prevented from having endwise displacement, is more effectually held in place by a set-screw 7, passed laterally through said collar and caused to engage said pivot-bolt.
The lever or handle 4 is formed or provided beyond its pivot or point of connection with the jaws 3 with an enlargement or cam 4', preferably flared or widened edgewise toward one end to adapt it to engage or bear upon the short arm or extension 3 of the jaw 2,- causing the latter, together with the opposite parallel jaws, to grip the pipe or article operated upon.
The cam or enlargement 4 is convex or rounded upon its widened or flared portion,
and the short arm or extension 3" of the jaw 2 is coneaved or curved upon its outer surface to readily receive said convex surface of cam.
The lever or handle 4 is provided in its enlargement or cam-ended portion with a tapered opening 4', preferably as shown, one side or edge being serrated, notched, or toothed, adapting it to serve as a supple mental wrench, as will be readily understood.
The device as thus far described constitutes a pipe-wrench, it only being required in order to use the same to spread the jaws andapply them to the pipe or circular body, they then being closed upon the latter and the cam or enlargement 4 caused to engage the short arm of the jaw 2 by suitably manipulating the handle or lever 4, thus firmly and efiectively gripping the pipe or other article. Parallel jaws 1 1 have arranged or interposed between them rolls 5 to properly fulcrum or move the same upon the pipe, preferably having their axes or journals let into sockets or recesses in the opposite sides of. said. jaws,
said sockets being only of suliicient depth to receive said axes or journalsand not passing entirely through said jaws to avoid 'nnn'ecessarily weakening the latter.
A cutter or blade 6 is removably set into the jaw 2, its cutting edge being presented toward the article or pipe interposed between the jaws to be operated upon'and suitably "projecting beyond the inner surfaces or faces of .the jaws according to the extent: (if the. cut to be made. This cutter or blade is held in a socket or opening made in the jawbya' suitable set v or binding screw. 6"; Thus, equipped the wrench is adapted to act as a, pipe-cutter, the application and operation thereof being substantially, as above described. In' usingthe device as a pipe-wrench ith'ecutter and rolls are removed, readily effected by the separation of the parts and the withdrawal of the cutter-holding set-screw, as will be readily understood.
" Having thus fully described my invention,
what I claim, and desire to secure by Letters Ifatent, 'is' 1. A combined'pipe wrench and cutter comprising a plurality of pivoted-together arou- 1 ate oricurved jaws, two arranged parallel and v the third having a rectilinear arm extension,
adapted to extend between said parallel jaws,
and a'handle or lever pivoted betweenfsaid .parallel jaws and having one end engaging the arm extension of said third jaw, between said parallel jaws, substantially as described.
2. The combined pipe wrench and c'utter, comprising three pivoted-together curved or a'rcuate jaws, two arranged parallel and having rectilinear arm extensions,'and the third h'avln g also a rectilinear arm extension',adaptfed to extend between the rectilinear arm'extensions ofsaid parallel jaws, anda ca'men'd'edlever' pivoted between the rectilinear 'a'rm extensions 'of said parallel jaws, and having its cam end adapted to bear upon the rectilinear arm extension .of said third jaw, between the rectilinear arm extensions of said parallel jaws, substantially as set forth.
'3JTh'e' combined pipe wrench and cutter,
substantially as specified.
comprising the three curved or arcuate jaws,
.two. arranged parallel andthe third arranged interrn ediately thereof, and pivoted together at their outer ends, the parallel jaws having rectilinear arm extensions, and the third jaw having also a rectilinear arm extension adapted to extend between the aforesaid recti- "l'inea'r'a'rm' extensions, and'a' lever pivoted between the rectilinear arm extensions of said parallel jaws,'and having a divergent or flared cam-ended portion adapted to engage the rectilinear arm extension of said third jaw, between the rectilinear arm extensions of said parallel jaws, substantially as set forth.
4. The combined pipe wrench and cutter comprising curved or arcuate pivoted aws having rectilinear arms or extensions, one of said jaws carrying a cutter or bl ad e, 'and a "handle or lever connected to the other of 'said'jaws, and'having a camren dedportion or enlargement adapted to engage the arm of the jaw carrying said cuttersubstantially as set forth. 5. The combined pipe wrench and cutter, comprising curved or arcuate pivotedjaws,
"one of said jaws carrying a cutter and the other. jaws carrying rolls, and ahandle or lever, connected to the roll-carrying jaws and having a cam-ended portion or enlargement adapted to engage the arm or extension of the'c'utter carrying jaws, substantially as set "forth.
6. The combined pipe wrench and cutter, comprisingsuitably pivoted jaws, a handle or lever connected to two of said jaws, a pivot-bolt between said lever and connected jaws;havingfalateral projection or stud,and
fa collarhavi a right-angled, ,or' bayonet "slot adapted to engagesaid projection orstud,
In testimony whereof I affix my signature in presence of twowitnesses.
' JOHN s'r w RT. Witnesses: I
-W. H. lL'BENEFIEL,
CHARLES DRURY.
US73471899A 1899-10-25 1899-10-25 Combined pipe wrench and cutter. Expired - Lifetime US647685A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847888A (en) * 1956-11-06 1958-08-19 Medford W Paulson Clamping spanner wrench
US3346953A (en) * 1965-08-18 1967-10-17 Charles J Wheeler Multiple sectional pipe cutter with the cutting teeth extending in opposite directions
US20080060203A1 (en) * 2006-09-12 2008-03-13 Emerson Electric Co. Tubing cutter pliers
US9908185B1 (en) * 2016-11-21 2018-03-06 Jiin Haur Industrial Co., Ltd. Cutting device with wheeled blades

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847888A (en) * 1956-11-06 1958-08-19 Medford W Paulson Clamping spanner wrench
US3346953A (en) * 1965-08-18 1967-10-17 Charles J Wheeler Multiple sectional pipe cutter with the cutting teeth extending in opposite directions
US20080060203A1 (en) * 2006-09-12 2008-03-13 Emerson Electric Co. Tubing cutter pliers
US9908185B1 (en) * 2016-11-21 2018-03-06 Jiin Haur Industrial Co., Ltd. Cutting device with wheeled blades

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