US1110473A - Wire-stretcher. - Google Patents

Wire-stretcher. Download PDF

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Publication number
US1110473A
US1110473A US83784814A US1914837848A US1110473A US 1110473 A US1110473 A US 1110473A US 83784814 A US83784814 A US 83784814A US 1914837848 A US1914837848 A US 1914837848A US 1110473 A US1110473 A US 1110473A
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Prior art keywords
wire
head
lever
stretcher
sheave
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US83784814A
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Newton Whitesel
Frederick Whiteel
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16GBELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/12Connections or attachments, e.g. turnbuckles, adapted for straining of cables, ropes, or wire

Definitions

  • This invention relates to wire stretchers.
  • the object of the invention is to provide an article of this character which shall be thoroughly eifective in placing a fence wire under tension and retaining it in taut condition until properly stapled to the post, the construction and operation of the parts be ing such as to insure the highest efiiciency and durability in use with the minimum of danger of derangement or breakage of any of the elements.
  • a further object is to construct the op erating lever in such a manner as will permit of the stretcher being turned overwithout any danger of the wire becoming disconnected from the implement.
  • a further object is to adapt the appliance for use in connection with posts of different sizes, whereby Ymaterially to increase the usefulness of the tool as a whole.
  • Figure 1 is a top plan view of the stretcher
  • Fig. 2 is a view in side elevation displaying the stretcher positioned relative to a post
  • Fig. 3 is a top plan view similar to F 1, but taken from the reverse side of the stretcher
  • Fig. & is an end View of the operating head
  • Fig. 5 is a top plan view of a portion of the operating lever, showing the manner in which the pulling dog is held out of operative relationby the spring that serves to hold it in contact with the wire when the latter is being stretched
  • Fig. 6 is a sectional detail view of a part of the implement.
  • the post clamp or anchoring member comprises a head 1 from which project two arms, 2 and 3, of the same length and held spaced apart by a brace 4, and a third arm 5 disposed to those on the other arms, the arm 9 being disposed in parallelism with the arm 5, but being considerably shorter than the latter arm.
  • a grooved sheave 11 Disposed between the ears 7 and 8 is a grooved sheave 11 having integral therewith a ratchet wheel 12, and projecting through the ears and the sheave and ratchet wheel is'a shaft 13 that is carried by and.
  • ratchet wheel is designedto be engaged by 1 a pawl '16 that is pivoted to the arm 2, as clearlyshown in Fig. 3. p
  • the arm 5 is provided with a longitudinal slot 17, the inner wall of which is furnished with a series of seats 18 that are, designed to be engaged by 'apin 19 extending through a yoke 20 carried by the shank of ahook 21, the hook being arranged to be engaged by the links of a post clamping chain 22 that is secured to the sheave 11.
  • the provision of the slot 17 andseats-IS is of importance,
  • the stretcher can be used with posts of different sizes, it being merely necessary to slip the hook along the arm 5 and bring the pin 19 into engagement with the seat nearest the post whereupon the hook will be locked against slipping.
  • The'head 1 to which reference has been made, is provided with'achamber 23 in which is arranged a wire holding dog 2-1, the latter being provided with the usual serrations to bite into the wire, VJ, and also to force the wire against the adjacent wall 25 of the head.
  • the outer wall 26'of the chamber is divided to provide a passage way 27 through which the wire may be inserted within the head and against the wall 25, one of the wall members 26 serving to prevent shaft 28 that is carried by a lever 29, from which projects a pin 30, this pin being engaged by one end of a coiled spring 31, the other end of which is secured in a pin or stud 32 projecting upward or outward from the arm 2.
  • connection of the spring with the lever 29 is such that when swung to a position to shift the holding dog from operative to inoperative position, the lever will pass the dead center and thereby cause the spring to operate to hold the dog in an operative position until the lever is again shifted to bring it past the dead center in an opposite direction, whereupon the spring 31 will exercise its function and cause the dog to grip the wall 25 ofthe chamber 23.
  • the inner end 33 of the operating lever 34 Swiveled upon the shaft '13 between the ear 7 and the ratchet wheel 12 is the inner end 33 of the operating lever 34.
  • the latter At a point adjacent to the inner terminal of the lever the latter is provided with a head 35 formed with a chamber 36 in which is arranged a pulling dog 37, the latter being rigid with a shaft 38 that carries at one end a lever'39, and projecting outward from this lever is a pin or stud 4:0 with which connects one end of a coiled spring 41, the other end of which is connected with a stud 12 carried by the inner end of the lever.
  • This spring operates in the same manner as the spring 31 to cause the leverto hold the dog 37 into and out of operative relation relative to one wall 43 of the head 35, the wall 44: being divided to provide a passage way 45 corresponding to the passage way 27 in the head 1, and designed to permit the insertion of the wire within the head, the wall operating to prevent the wire from working out of the head should the position of the implement be reversed for any reason.
  • the arms 2, 3, 5 and 9 are brought into engagement with the post, and one of the links of the chain 22 is passed over the hook 21, after which the lever 14 is operated to tighten the chain and thus cause the spurs 6 and 10 of the arms to sink into the post and thus anchor the implement in position.
  • lhe wire is then passed through the passage way 27, the dog 2% being in unlocked position, and through the passage way i5 in the head 35, and the dog 37 brought into engagement therewith, whereupon the lever 3a is operated to place the wire under the desired tension, and the looking dog is then brought into play and will securely grip the wire and hold it until the operator staples it to the post. This same T operation is repeated until all the wires are secured.
  • a head including a pair of post engaging arms disposed at right angles to each other, having their innor faces provided with spurs, and one of the arms being furnished with a longitudinal slot having one of its walls formed with seats, a hook carried by the latter arm and having a pin to engage the seats, a grooved sheave carried by the other arm, a lever I for actuating the sheave, a chain secured to the periphery of the sheave and having its links arranged to engage with the hook, and wire retaming and wlre stretching means 7 carried by the head.
  • a head provided with a pair of post engaging arms, a horizontally disposed hook carried by one of the arms, a holding dog pivoted within the head,
  • one of the walls of the head being provided with an entrance throat, a spring drawn lever pivotally connected with the dog, a grooved sheave carried by one of the arms and embodying pawl and ratchet mechanism, a chain having one end secured to the sheave and its other end arranged to be brought into engagement with the hook, and wire retaining and wire stretching means carried by the head.
  • a head having one of its walls provided with an entrance throat,'a spring drawn holding dog pivotally mounted in the head, a plurality of arms carried by the head, each of which is provided on its inner face with spurs, and one of the arms being furnished with a longitudinal slot formed with a seat, a hook having a pin projecting through the slot and arranged to engage with the seat, a grooved sheave carried by the other arms and embodying pawl and ratchet mechanism, a chain carried by the sheave and arranged to have its links engaged with th hook, a lever provided with a shaft to which the sheave is rigidly secured, and wire'stretching means pivoted upon the sheave carrying shaft.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Description

N. & F. WHITESEL.
WIRE STRBTGHER.
APPLICATION FILED MAY 11. 1914.
Patented Sept. 15, 1914.
2 SHEETS SHBET 1.
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THE NORRIS PETERS 60.. PHOTO-LITHQ. WASHINGTON, D. c.
N. & F. WHITESEL.
WIRE STRETGHER.
APPLICATION FILED MAY 11, 1914.
Patented Sept. 15, 1914,.
Zlwuwwtm NEWTON Wan-521. 1, QWi/twzmo FREDE WHITESEL Wm m I. M
. al bo'mus THE NORRIS PETERS CD.. PHOTU-LITHO, WASHINGTON. D. C.
; UNITED STATES PATENT OFFICE.
NEWTON WHITESEL AND FREDERICK WHITESEL, OF VVATERTOWN, NEBRASKA.
WIRE-STRETCHER;
Specification of Letters Patent. Patented Sept, 15', 1914.
Application filed May 11, 1914. Serial No. 837,848.
To all whom it may concern Be it known that'we, NEWTON VVHrrnsni and FREDERICK WVHITESEL, citizens of the United States, residing at Watertown, in the county of Buffalo and State of Nebraska, have invented certain new and use ful Improvements in VVire-Stretchers; of which the following is a specification, reference being had to the accompanying drawmgs.
This invention relates to wire stretchers.
The object of the invention is to provide an article of this character which shall be thoroughly eifective in placing a fence wire under tension and retaining it in taut condition until properly stapled to the post, the construction and operation of the parts be ing such as to insure the highest efiiciency and durability in use with the minimum of danger of derangement or breakage of any of the elements. a
A further object is to construct the op erating lever in such a manner as will permit of the stretcher being turned overwithout any danger of the wire becoming disconnected from the implement.
A further object is to adapt the appliance for use in connection with posts of different sizes, whereby Ymaterially to increase the usefulness of the tool as a whole.
Vith the above'and other objects inview, as will appear as the nature of the invention is better understood, the same consists in the novel construction and arrangement of parts of a wire stretcher as Will be hereinafter fully described and claimed.
In the accompanying drawings forming part of this specification, and in which like characters of reference. designate corresponding parts: Figure 1 is a top plan view of the stretcher; Fig. 2 is a view in side elevation displaying the stretcher positioned relative to a post; Fig. 3 is a top plan view similar to F 1, but taken from the reverse side of the stretcher; Fig. & is an end View of the operating head; Fig. 5 is a top plan view of a portion of the operating lever, showing the manner in which the pulling dog is held out of operative relationby the spring that serves to hold it in contact with the wire when the latter is being stretched; and Fig. 6 is a sectional detail view of a part of the implement.
The post clamp or anchoring member comprises a head 1 from which project two arms, 2 and 3, of the same length and held spaced apart by a brace 4, and a third arm 5 disposed to those on the other arms, the arm 9 being disposed in parallelism with the arm 5, but being considerably shorter than the latter arm. Disposed between the ears 7 and 8 is a grooved sheave 11 having integral therewith a ratchet wheel 12, and projecting through the ears and the sheave and ratchet wheel is'a shaft 13 that is carried by and.
disposed at right angles to a lever 14:, the
shaft being rigid with the sheave 11, and i being held against disconnection from the ear 8 by a cotter pin 15 that extends through a transverse opening in the end of the shaft 13 that projects through the ear 7. The
ratchet wheel is designedto be engaged by 1 a pawl '16 that is pivoted to the arm 2, as clearlyshown in Fig. 3. p
. The arm 5 is provided with a longitudinal slot 17, the inner wall of which is furnished with a series of seats 18 that are, designed to be engaged by 'apin 19 extending through a yoke 20 carried by the shank of ahook 21, the hook being arranged to be engaged by the links of a post clamping chain 22 that is secured to the sheave 11. The provision of the slot 17 andseats-IS is of importance,
as by this arrangement the stretcher can be used with posts of different sizes, it being merely necessary to slip the hook along the arm 5 and bring the pin 19 into engagement with the seat nearest the post whereupon the hook will be locked against slipping.
The'head 1, to which reference has been made, is provided with'achamber 23 in which is arranged a wire holding dog 2-1, the latter being provided with the usual serrations to bite into the wire, VJ, and also to force the wire against the adjacent wall 25 of the head. The outer wall 26'of the chamber is divided to provide a passage way 27 through which the wire may be inserted within the head and against the wall 25, one of the wall members 26 serving to prevent shaft 28 that is carried by a lever 29, from which projects a pin 30, this pin being engaged by one end of a coiled spring 31, the other end of which is secured in a pin or stud 32 projecting upward or outward from the arm 2. The connection of the spring with the lever 29 is such that when swung to a position to shift the holding dog from operative to inoperative position, the lever will pass the dead center and thereby cause the spring to operate to hold the dog in an operative position until the lever is again shifted to bring it past the dead center in an opposite direction, whereupon the spring 31 will exercise its function and cause the dog to grip the wall 25 ofthe chamber 23.
Swiveled upon the shaft '13 between the ear 7 and the ratchet wheel 12 is the inner end 33 of the operating lever 34. At a point adjacent to the inner terminal of the lever the latter is provided with a head 35 formed with a chamber 36 in which is arranged a pulling dog 37, the latter being rigid with a shaft 38 that carries at one end a lever'39, and projecting outward from this lever is a pin or stud 4:0 with which connects one end of a coiled spring 41, the other end of which is connected with a stud 12 carried by the inner end of the lever. This spring operates in the same manner as the spring 31 to cause the leverto hold the dog 37 into and out of operative relation relative to one wall 43 of the head 35, the wall 44: being divided to provide a passage way 45 corresponding to the passage way 27 in the head 1, and designed to permit the insertion of the wire within the head, the wall operating to prevent the wire from working out of the head should the position of the implement be reversed for any reason.
In the use of the implement, the arms 2, 3, 5 and 9 are brought into engagement with the post, and one of the links of the chain 22 is passed over the hook 21, after which the lever 14 is operated to tighten the chain and thus cause the spurs 6 and 10 of the arms to sink into the post and thus anchor the implement in position. lhe wire is then passed through the passage way 27, the dog 2% being in unlocked position, and through the passage way i5 in the head 35, and the dog 37 brought into engagement therewith, whereupon the lever 3a is operated to place the wire under the desired tension, and the looking dog is then brought into play and will securely grip the wire and hold it until the operator staples it to the post. This same T operation is repeated until all the wires are secured.
From the foregoing description it will be Copies of this patent may be obtained for five cents each, "by addressing the Commissioner Washington, I). 0.
seen that although the improvements of this invention are simple in character, they will be thoroughly efficient for the purposes de signed, and will coact in the production of a durable and entirely practical form of wire stretcher.
o claim:
1. In a wire stretcher, a head including a pair of post engaging arms disposed at right angles to each other, having their innor faces provided with spurs, and one of the arms being furnished with a longitudinal slot having one of its walls formed with seats, a hook carried by the latter arm and having a pin to engage the seats, a grooved sheave carried by the other arm, a lever I for actuating the sheave, a chain secured to the periphery of the sheave and having its links arranged to engage with the hook, and wire retaming and wlre stretching means 7 carried by the head.
2. In a wire stretcher, a head provided with a pair of post engaging arms, a horizontally disposed hook carried by one of the arms, a holding dog pivoted within the head,
one of the walls of the head being provided with an entrance throat, a spring drawn lever pivotally connected with the dog, a grooved sheave carried by one of the arms and embodying pawl and ratchet mechanism, a chain having one end secured to the sheave and its other end arranged to be brought into engagement with the hook, and wire retaining and wire stretching means carried by the head.
3. In a wire stretcher, a head having one of its walls provided with an entrance throat,'a spring drawn holding dog pivotally mounted in the head, a plurality of arms carried by the head, each of which is provided on its inner face with spurs, and one of the arms being furnished with a longitudinal slot formed with a seat, a hook having a pin projecting through the slot and arranged to engage with the seat, a grooved sheave carried by the other arms and embodying pawl and ratchet mechanism, a chain carried by the sheave and arranged to have its links engaged with th hook, a lever provided with a shaft to which the sheave is rigidly secured, and wire'stretching means pivoted upon the sheave carrying shaft.
In testimony whereof we hereunto aiiix our signatures in the presence of two wit- NEWTON WHITESEL. FREDERICK lVI-HTESEL. Witnesses:
A. L. FrroH, E. G. BURRINGTON.
of I'atents,
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