US94241A - Improvement in fife-wrench and fife-cutter - Google Patents
Improvement in fife-wrench and fife-cutter Download PDFInfo
- Publication number
- US94241A US94241A US94241DA US94241A US 94241 A US94241 A US 94241A US 94241D A US94241D A US 94241DA US 94241 A US94241 A US 94241A
- Authority
- US
- United States
- Prior art keywords
- cutter
- fife
- pipe
- wrench
- screw
- 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 12
- 238000010276 construction Methods 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 4
- 210000004874 lower jaw Anatomy 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 210000004873 upper jaw Anatomy 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
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
- B25B13/16—Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Description
diritti Stairs @anni @titille NDREW ROBES, OF SOMERVILLE, AND JOHN C. CHAPMAN,
CAMBRIDGEPORT, MASSACHUSETTS.
Letters Patent No. 94,241, dated August 3l, 1869-.
IMPROVEMENT m' PIPE-WRENCH AKND PIPE-CUTTER.
The Schedule referred to in these Letters Patent and making part of the same.
To all whom it 'may concern:
Be it known that we, ANDREW ROBES, of Somerville, and J ons G. CHAPMAN, of Cambridgeport, in the county of Middlesex, and in the State of Massachusetts, have invented certain new and useful Improvements in Gas-Fitters Tools; and do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing, making a part of this specification, in which- Figure 1 is a side View of our improved device;
Figure 2 is a front view of the same; and
Figure 3 is a longitudinal cross-section, on the line 2: a: offlg. 1.
Letters of like name and kind refer to like parts in each of the iigur'es.
Our invention is an improvement in gas-fitters tools; and
-It consists in the peculiar construct-ion and arrangement of the several parts, by means of which a combined device is produced that, while capable of performing in a superior manner the oflice of pipe-wrench, is more especially adapted for use in cutting gas-pipe.
In the annexed drawingf A represents the body or frame, consisting of a long and short vertical side piece, a and a, joined together at their lower ends, the former of which is bent over at its upper end, so as to form the upper or fixed jaw a'.
Sliding between the side pieces, is a block, b, which is held therein by flanges b', projecting outwardfrom either side thereof, and is adjusted vertically by means of a screw, d, which passes upward through a suitable opening in the bottom of the 'fra-me, and is swivelled at its upper end within the lower end of said block.
The opening in the frame through which the screw passes, being provided with a female thread, corresponding with the male thread upon said screw, by turning the latter to the light or left, the -block or lower jaw b will be correspomlingly adjusted to or from the upper jaw, so as to lirmly clamp or release anything placed between.
A handle, 71, is attached to the screw below the frame, and furnishes a means by which said screw may be adjusted, after which it can be secured in place by means of a jam-nut, m, immediately beneath said frame.
When thus constructed, it will be readily seen that. .this device can be quickly adjusted upon, and made to firmly clasp pipe of any suitable size, and that, from the strength and simplicity o f its parts, great durability and convenience will result..
Passing upward, through a suitable opening in the centre, lengthwise of the screw and the adjustable jaw, is a rod, C, having upon its upper end a cutter, c, of suitable shape.
The opening through the jaw b corresponds in size and shape with the body of the cutter, which, being placed with its cutting point to the front, is thereby retained in its proper position.
g represents a sleeve or long nut, fitting over or upon the screw d, and having attached to its lower end, and forming a part thereof, a cross-bar, k, by means of which it is operated or revolved upon said screw.
The lower endl of the rod c is swivelled within the sleeve by means of a collar, held in place vertically' v within said sleeve by a nut, n, and a plug, l, as shown in 3. v
Iis arrangement permits the adjustment of thev cutter c above the upper surface of the movable jaw 7J, as by revolvin the sleeve g, it is raised or lowered upon the screw tion of the rod and cutter.
The device is now complete, and is operated for pipecutting as follows:
The ,cutter being withdrawn below the upper surface of the jaw b, the pipe is placed within, and the jaws adjusted together until said pipe will turn freely between them, without lateral motion,
when they are secured in place by means 'of .the jamnut m. VThe pipe being now caused to revolve, and thecutter adjusted until ittonches the surface, a
vgroove is. cut therein, which is increased in depth at each revolution by, slightly raising said cutter until said pipe is neatly divided.
The advantages possessed by this device are as follows:
First, it furnishes, in a compact form, a combined tool, capable of performing in a superior manner the oce of two heretofore separate devices, whereby greater convenience is secured, and the cost materially lessened.
Second, the peculiar construction and arrangement y of the several parts, renders the tool the most eiective of any ever constructedfor the purpose of cutting pipe, it being necessary to give the pipe or cutter but six revolutions in order to complete the operation.
In addition to the foregoing, said tool can either be secured in a vise, andthe pipe caused to revolve, or the pipe can be made stationary, and the tool revolved arund it, as may be'vdcsired.
Third, from the form and simplicity of the various parts, there is little liability of their getting out of or-` der, and great durability is insured to the device.
and produces a corresponding moor block b, hollow screw d, handle h, jam-nut m, rod and cutter o, sleeve-nut g, nut n, and plug l, all oonstruoted and arranged substantially as specified.
In testimony that we claim the foregoing, we have hereunto set our hand, this 2d day of August, 1869.
, ANDREW ROBES.
JOHN C. CHAPMAN.
Witnesses:
J. W. HAMMOND, S. B. LADD.
Publications (1)
Publication Number | Publication Date |
---|---|
US94241A true US94241A (en) | 1869-08-31 |
Family
ID=2163718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US94241D Expired - Lifetime US94241A (en) | Improvement in fife-wrench and fife-cutter |
Country Status (1)
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US (1) | US94241A (en) |
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- US US94241D patent/US94241A/en not_active Expired - Lifetime
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