US1367849A - Adjustable end die - Google Patents

Adjustable end die Download PDF

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Publication number
US1367849A
US1367849A US271660A US27166019A US1367849A US 1367849 A US1367849 A US 1367849A US 271660 A US271660 A US 271660A US 27166019 A US27166019 A US 27166019A US 1367849 A US1367849 A US 1367849A
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US
United States
Prior art keywords
jaws
adjustable end
bolt
end die
inner sides
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
Application number
US271660A
Inventor
John G Wright
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Individual
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Individual
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Publication date
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Priority to US271660A priority Critical patent/US1367849A/en
Application granted granted Critical
Publication of US1367849A publication Critical patent/US1367849A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G5/00—Thread-cutting tools; Die-heads
    • B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
    • B23G5/04—Dies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/83—Tool-support with means to move Tool relative to tool-support
    • Y10T408/85—Tool-support with means to move Tool relative to tool-support to move radially
    • Y10T408/858—Moving means including wedge, screw or cam
    • Y10T408/8583—Moving means including wedge, screw or cam with resiliently urged Tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/83—Tool-support with means to move Tool relative to tool-support
    • Y10T408/85—Tool-support with means to move Tool relative to tool-support to move radially
    • Y10T408/858—Moving means including wedge, screw or cam
    • Y10T408/8595—Pivotable tool-support

Definitions

  • My invention relates to improvements in means for rethreading bolts, pipes and other threaded pieces of metal.
  • An important object of this invention is to provide an adjustable end die adapted for conveniently rethreading bolts and the like while engaged with an object.
  • a further object of the invention is to provide a device of the character described, which is easy to apply, capable of being used in difficult places and possessed of great utility.
  • a further object of the invention is to provide a device of the character described which may be used as a vise for holding bolts and the like while the same are being worked upon.
  • a further object of the invention is to provide a device of the character described, which by virtue of its extreme simplicity and great utility, will meet with commercial success when placed upon the market.
  • Figure 1 is a side elevation of an adjustable end die embodied in my invention
  • Fig. 2 is a longitudinal section through the same, and,
  • Fig. 3 is a perspective of a pivoted jaw embodied in the invention.
  • the numeral generically designates an adjustable end die, which in manufacture may be made of a suitable tool steel.
  • the device includes a pair of coacting jaws 6 and 7 arranged in superposed relation and having their inner sides provided with cutting teeth 8. As shown in Fig. 2, the teeth 8 are of a. lesser height at their inner ends of the jaws than at the outer ends thereof. It is thus apparent that the jaws 6 and 7 are engaged with a threaded bolt at a point spaced from its forward end thereof and in rethreading the same, the jaws 6 and 7 are rotated in a. directlo n to remove the device from the bolt.
  • a pair of apertured ears 9 are carried by the inner sides of the jaws 6 and 7 at points spaced from the ends thereof.
  • a pivot element 10 extends through alining openings in the apertured ears 9 and have enlarged heads 11 formed on their opposite ends.
  • the lower jaw 6 is provided with an openmg 12 in alinement with a slightly elongated opening 13 in the upper jaw 7.
  • the openings 12 and 13 receive a bolt 14 having threaded engagement with a nut 15.
  • a head 16 carried by the bolt 14 has a relatively small lug 17 arranged on its inner face and extending into a slot 18. The lug 17 extending into the slot 18 prevents the acci dental rotation of the bolt 14.
  • Thebolt 15 is adapted to be rotated for ad usting the jaws 8 inwardly and outwardly.
  • a coil spring 19 arranged on the bolt 15 and disposed between the jaws 6 and 7 normally retains the jaws 6 and 7 in an outward position.
  • a polygonal handle 20 is connected to the lower jaw 6 by an inclined shank 21 which can be made as long as desired.
  • the upper jaw 7 has an arm 22 extending rearwardly therefrom and carrying a set screw 23.
  • the set screw 23 1s adapted for contact with the inner face of the shank 21 and is adapted to cooperate with the bolt 14 in adjusting the jaws 6 and 7.
  • a device of the character described comprising, a pair of coacting pivoted jaws; cutting teeth carried by the inner sides of said jaws; a bolt extending through said jaws intermediate their ends thereof; a nut engaging the bolt and limiting outward movement of the jaws; a coil spring arranged on said bolt and adapted to normally retain said jaws and cutting teeth in spaced relation permitting movement of the jaws toward each other; a handle formed integral with one of said jaws, an arm extending rearwardly from the other of said jaws; and a set screw carried by said arm and serving to restrict relative movement of the jaws within the limit fixed by the aforesaid bolt and nut.
  • a device of the character described comprising, a pair of coacting jaws; cutting teeth carried by the inner sides of said jaws at their forward end portions thereof, said cutting teeth being of a lesser width at their inner sides than at their outer sides thereof; alining apertured ears carried by the inner sides of said jaws; a pivot-element

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Description

J. G. WRIGHT. ADJUSTABLE END-DIE. APPLICATION FILED .'AN.17. 1919.
Patented Feb. 8, 1921.
JmMbz cf. 6. Wrz'azz.
UNITED STATES JOHN G. WRIGHT, 0F TYTLER, TEXAS.
ADJUSTABLE END DIE.
Specification of Letters Patent.
Patented Feb. 8, 1921.
Application filed January' 17, 1919. Serial No. 271,660. 7
To all whom it may concern:
Be it known that 1, JOHN G. lVnroH'r, a citizen of the United States, residing at Tyler, in the county of Smith and State of Texas, have invented certain new and useful Improvements in Adjustable End Dies; 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.
My invention relates to improvements in means for rethreading bolts, pipes and other threaded pieces of metal.
An important object of this invention is to provide an adjustable end die adapted for conveniently rethreading bolts and the like while engaged with an object.
A further object of the invention is to provide a device of the character described, which is easy to apply, capable of being used in difficult places and possessed of great utility.
A further object of the invention is to provide a device of the character described which may be used as a vise for holding bolts and the like while the same are being worked upon.
A further object of the invention is to provide a device of the character described, which by virtue of its extreme simplicity and great utility, will meet with commercial success when placed upon the market.
Other objects and advantages of the invention will be apparent during the course of the following description.
In the accompanying drawings forming a part of this specification, and in which like numerals are employed to designate like parts throughout the same,
Figure 1 is a side elevation of an adjustable end die embodied in my invention,
Fig. 2 is a longitudinal section through the same, and,
Fig. 3 is a perspective of a pivoted jaw embodied in the invention.
In the drawings, wherein for the purpose of illustration is shown the preferred embodiment of my invention. the numeral?) generically designates an adjustable end die, which in manufacture may be made of a suitable tool steel. The device includes a pair of coacting jaws 6 and 7 arranged in superposed relation and having their inner sides provided with cutting teeth 8. As shown in Fig. 2, the teeth 8 are of a. lesser height at their inner ends of the jaws than at the outer ends thereof. It is thus apparent that the jaws 6 and 7 are engaged with a threaded bolt at a point spaced from its forward end thereof and in rethreading the same, the jaws 6 and 7 are rotated in a. directlo n to remove the device from the bolt. A pair of apertured ears 9 are carried by the inner sides of the jaws 6 and 7 at points spaced from the ends thereof. A pivot element 10 extends through alining openings in the apertured ears 9 and have enlarged heads 11 formed on their opposite ends. The lower jaw 6 is provided with an openmg 12 in alinement with a slightly elongated opening 13 in the upper jaw 7. The openings 12 and 13 receive a bolt 14 having threaded engagement with a nut 15. A head 16 carried by the bolt 14 has a relatively small lug 17 arranged on its inner face and extending into a slot 18. The lug 17 extending into the slot 18 prevents the acci dental rotation of the bolt 14.
Thebolt 15 is adapted to be rotated for ad usting the jaws 8 inwardly and outwardly. A coil spring 19 arranged on the bolt 15 and disposed between the jaws 6 and 7 normally retains the jaws 6 and 7 in an outward position. A polygonal handle 20 is connected to the lower jaw 6 by an inclined shank 21 which can be made as long as desired. The upper jaw 7 has an arm 22 extending rearwardly therefrom and carrying a set screw 23. The set screw 23 1s adapted for contact with the inner face of the shank 21 and is adapted to cooperate with the bolt 14 in adjusting the jaws 6 and 7.
.Vhile I have shown and described the preferred embodiment of my invention, it is understood that I may make such minor changes in arrangement and construction of parts. as will remain within the spirit of the invention and scope of the appended claims.
Having thus described my invention, what I claim is 1. A device of the character described comprising, a pair of coacting pivoted jaws; cutting teeth carried by the inner sides of said jaws; a bolt extending through said jaws intermediate their ends thereof; a nut engaging the bolt and limiting outward movement of the jaws; a coil spring arranged on said bolt and adapted to normally retain said jaws and cutting teeth in spaced relation permitting movement of the jaws toward each other; a handle formed integral with one of said jaws, an arm extending rearwardly from the other of said jaws; and a set screw carried by said arm and serving to restrict relative movement of the jaws within the limit fixed by the aforesaid bolt and nut.
2. A device of the character described comprising, a pair of coacting jaws; cutting teeth carried by the inner sides of said jaws at their forward end portions thereof, said cutting teeth being of a lesser width at their inner sides than at their outer sides thereof; alining apertured ears carried by the inner sides of said jaws; a pivot-element
US271660A 1919-01-17 1919-01-17 Adjustable end die Expired - Lifetime US1367849A (en)

Priority Applications (1)

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