US1930384A - Straightener - Google Patents
Straightener Download PDFInfo
- Publication number
- US1930384A US1930384A US556237A US55623731A US1930384A US 1930384 A US1930384 A US 1930384A US 556237 A US556237 A US 556237A US 55623731 A US55623731 A US 55623731A US 1930384 A US1930384 A US 1930384A
- Authority
- US
- United States
- Prior art keywords
- arms
- tool
- shaping
- handles
- steel
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
- B21D7/063—Pliers with forming dies
Definitions
- the object of this, my present invention is the provision of a useful and convenient tool for the shaping or straightening of springs or other workable steel without resorting to heating or hammering, and the invention consists in the improvement as hereinafter described and definitely claimed.
- Figure 1 is a side elevation of my improved tool.
- Figure 2 is a fragmentary elevation thereof, showing the jaws spread.
- Figure 3 is a front elevation of the tool.
- Figure 4 is a fragmentary top view.
- Figure 5 is a sectional view on an enlarged scale and approximately on the line 5-5 of Figure 1.
- Figure 6 is a perspective view of the arched shaping plate.
- the invention consists of a novel leverage and pressure arrangement, as shown by the drawing.
- the working or tool part of the device is constructed of malleable casting or other suitable material, with the exception of the shaping elements which are of steel or like hardened metal.
- the tool comprises two handles 1-1 respectively.
- the handles at their outer ends, have rounded interengaging parts 2 connected by a pivot 3, and the said handles from the pivot are formed with laterally and outwardly directed parts 4 whose ends are preferably bifurcated to receive therein the rounded ends of the arms 5 of what I will term the jaw'members of the improvement.
- the arms 5 are pivoted as at 6 to the lateral extensions 4, and each arm upon its inner or confronting face is formed with a lug 7 that presents an outer arch or curved wall or edge 8.
- the rounded periphery of one of the lugs 7 is formed with an arched tooth 9 to be received in an arched opening 10 in the edge or face of the cooperating lug.
- the arms project a suitable distance beyond the lugs, and the outer ends of the said arms are round in plan. Both of these rounded ends are.
- a bolt 13 provided with threaded openings 12 and adjustably screwed through one of said openings there is a shank of a bolt 13. steel. Overlying the rounded end of the second arm there is a plate 14 provided with a central opening that is reamed for the tapered head of The bolt is of hardened a bolt 15, the outer end of the bolt being engaged by a nut, as disclosed by the drawing.
- the adjustably mounted steel bolt 13 has a shank provided with heavy or deep threads and the band of steel to be straightened is placed in the instrument between the shaping plate 14 and the steel bolt 13. This, of course, is done while the handles are open and as the handles are closed and the leverage comes into play, the steel band is shaped to conform to the shape of the plate 14.
- shaping plates 14 are ofdiiferent length, and from practice I have found that with my tool, straightened or bent metal sheets, springs or other workable steel may be shaped without the use of heat or without the necessity of hammering and that with the tool it will be possible to re-arch any sagged automobile spring to bring the same back to its original curve in approximately one-half of the time required by the methods now in vogue, and without the necessity of heating or re-tempering. Also with the employment of the tool, car bumpers or fenders may be straightened and brought back to proper position without damaging the nickel plating of said bumpers or without damaging the finish of the fenders, and this is also accomplished without the necessity of hammeringor heating. The tool may also be employed for: properly straightening the frames or rims of either automobiles or heavy trucks or straightening or shaping any similar bands of workable material without the necessity of hammering or heating. 7
- a shaping tool comprising elongated handles pivoted together at one of their ends, extensions formed on the pivoted ends of the handles and arranged angularly and in an outward direction to the handles, arms pivoted to the extensions, lugs formed on theopposing faces of the arms inwardly of the free ends of the latter and having curved faces, plates pivoted to said lugs for retaining the curved faces in engagement, said arms'having their free ends enlarged and apertured, a headed element secured in the aperture of one of the arms, an arcuately curved shaping plate engaging the enlarged end of the other arm to cooperate with the headed element in gripping and shaping a metallic member, and means carried by the plate and extending through the aperture of the last-named arm for securing the plate thereto.
Description
Oct. 10, 1933. G w DRESSEN 1,930,384
STRAIGHTENER Filed Aug. 10, 1931 S George fliflmsswz,
INVENTOR @ATTORNEY Patented Oct. 10, 1933 STRAIGHTENER George W. Dressen, Mitchell, S. Dak.
Application August 10, 1931. Serial No. 556,237
1 Claim.
The object of this, my present invention, is the provision of a useful and convenient tool for the shaping or straightening of springs or other workable steel without resorting to heating or hammering, and the invention consists in the improvement as hereinafter described and definitely claimed.
In the drawing:
Figure 1 is a side elevation of my improved tool.
Figure 2 is a fragmentary elevation thereof, showing the jaws spread.
Figure 3 is a front elevation of the tool.
Figure 4 is a fragmentary top view.
Figure 5 is a sectional view on an enlarged scale and approximately on the line 5-5 of Figure 1.
Figure 6 is a perspective view of the arched shaping plate.
The invention consists of a novel leverage and pressure arrangement, as shown by the drawing. The working or tool part of the device is constructed of malleable casting or other suitable material, with the exception of the shaping elements which are of steel or like hardened metal. As disclosed by the drawing, the tool comprises two handles 1-1 respectively. The handles, at their outer ends, have rounded interengaging parts 2 connected by a pivot 3, and the said handles from the pivot are formed with laterally and outwardly directed parts 4 whose ends are preferably bifurcated to receive therein the rounded ends of the arms 5 of what I will term the jaw'members of the improvement. The arms 5 are pivoted as at 6 to the lateral extensions 4, and each arm upon its inner or confronting face is formed with a lug 7 that presents an outer arch or curved wall or edge 8. The rounded periphery of one of the lugs 7 is formed with an arched tooth 9 to be received in an arched opening 10 in the edge or face of the cooperating lug. Pivotally secured to the arms and partly covering the lugs 7 there are plates 11 which hold the arms as well as the lugs in proper alignment.
The arms project a suitable distance beyond the lugs, and the outer ends of the said arms are round in plan. Both of these rounded ends are.
provided with threaded openings 12 and adjustably screwed through one of said openings there is a shank of a bolt 13. steel. Overlying the rounded end of the second arm there is a plate 14 provided with a central opening that is reamed for the tapered head of The bolt is of hardened a bolt 15, the outer end of the bolt being engaged by a nut, as disclosed by the drawing.
The adjustably mounted steel bolt 13 has a shank provided with heavy or deep threads and the band of steel to be straightened is placed in the instrument between the shaping plate 14 and the steel bolt 13. This, of course, is done while the handles are open and as the handles are closed and the leverage comes into play, the steel band is shaped to conform to the shape of the plate 14. Obviously, shaping plates 14 are ofdiiferent length, and from practice I have found that with my tool, straightened or bent metal sheets, springs or other workable steel may be shaped without the use of heat or without the necessity of hammering and that with the tool it will be possible to re-arch any sagged automobile spring to bring the same back to its original curve in approximately one-half of the time required by the methods now in vogue, and without the necessity of heating or re-tempering. Also with the employment of the tool, car bumpers or fenders may be straightened and brought back to proper position without damaging the nickel plating of said bumpers or without damaging the finish of the fenders, and this is also accomplished without the necessity of hammeringor heating. The tool may also be employed for: properly straightening the frames or rims of either automobiles or heavy trucks or straightening or shaping any similar bands of workable material without the necessity of hammering or heating. 7
Having described the invention, what I claim is:
A shaping tool comprising elongated handles pivoted together at one of their ends, extensions formed on the pivoted ends of the handles and arranged angularly and in an outward direction to the handles, arms pivoted to the extensions, lugs formed on theopposing faces of the arms inwardly of the free ends of the latter and having curved faces, plates pivoted to said lugs for retaining the curved faces in engagement, said arms'having their free ends enlarged and apertured, a headed element secured in the aperture of one of the arms, an arcuately curved shaping plate engaging the enlarged end of the other arm to cooperate with the headed element in gripping and shaping a metallic member, and means carried by the plate and extending through the aperture of the last-named arm for securing the plate thereto.
GEORGE W. DRESSEN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US556237A US1930384A (en) | 1931-08-10 | 1931-08-10 | Straightener |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US556237A US1930384A (en) | 1931-08-10 | 1931-08-10 | Straightener |
Publications (1)
Publication Number | Publication Date |
---|---|
US1930384A true US1930384A (en) | 1933-10-10 |
Family
ID=24220482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US556237A Expired - Lifetime US1930384A (en) | 1931-08-10 | 1931-08-10 | Straightener |
Country Status (1)
Country | Link |
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US (1) | US1930384A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2502804A (en) * | 1944-11-08 | 1950-04-04 | Detroit Stamping Company | Article-holding clamp having a selectively rigid or springpressed jaw |
US2635494A (en) * | 1949-08-25 | 1953-04-21 | Burndy Engineering Co Inc | Compressing tool with reversible jaws |
-
1931
- 1931-08-10 US US556237A patent/US1930384A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2502804A (en) * | 1944-11-08 | 1950-04-04 | Detroit Stamping Company | Article-holding clamp having a selectively rigid or springpressed jaw |
US2635494A (en) * | 1949-08-25 | 1953-04-21 | Burndy Engineering Co Inc | Compressing tool with reversible jaws |
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