US815146A - Tap and die holder. - Google Patents

Tap and die holder. Download PDF

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Publication number
US815146A
US815146A US23660104A US1904236601A US815146A US 815146 A US815146 A US 815146A US 23660104 A US23660104 A US 23660104A US 1904236601 A US1904236601 A US 1904236601A US 815146 A US815146 A US 815146A
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Prior art keywords
dies
die
stock
adjusting
open
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Expired - Lifetime
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US23660104A
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Clifford Elbridge Cole
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/03—Boring heads
    • B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
    • B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
    • B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
    • B23B29/0341—Cartridges
    • 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
    • Y10T408/8598—Screw extending perpendicular to tool-axis
    • Y10T408/85985—Plural tools moved by diametrically opposed screws

Definitions

  • a further object of the invention isto render the bushings of the stockadjustable in such manner that pipes of greatly-varying sizes may be operated upon.
  • the first object ofthe invention is attained, preferably, by forming in each of the dies an open-ended slot through which the adj ustingupon the stock extends.
  • the second object of the invention is attained, preferably, by providing each stock with a pair of sliding bushings each formed with an open-ended slot through which ex-- tends an adj usting-screw.
  • Figure 1 is aperspective view of a die-stoclrhavihg dies and bushings. constructed in accordance with the present invention.
  • Fig. 2 is-a plan view thereof, showing the improved dies.
  • Fig. 3 is an under plan view showing the improved dinal section.
  • Fig. 5 is a transverse section on the line 5 5, Fig. 1. of an improved die constructed in accordance. with the present invention.
  • Fig. 7 is a similar' view of an improved sliding'bushing.
  • Like referencenumerals indicate corresponding parts in the difierent views.
  • Fig. 4 By forming each of Fig. 4 is a vertical longitu Fig. 6 is a detail view Thenumeral 1 represents the die-stock; I, I
  • flanges forming guideways in which'the ad- 5 i justabl'e dies and bushings hereinafter dcscribed are adapted to fit.
  • One of the flanges .4 preferably'is formed with scale-marks, as 6 5 usual, in order'to, provide for the proper longitudinal adjustment of the dies.
  • an inclined upright, such as 9, is secured to or formed integral upon the stock 1 in rear of each die 6, an adjusting-screw 10 extending through each of said inclined uprights and abutting against the rear end-of theadjacent die. It is necessary that each of the uprights 9 be inclined,
  • a pair of slid- 7 ing bushings such as 11, is secured upon the side of the stock opposite the dies 6 by means. of adjusting-bolts 12.
  • Each of the sliding bushings 11' is formed with an open-ended roo slot 13, by means of which it may be removed readily from the stock, if desired.
  • the bushings 11 may i be adjusted away from each other when it 10'5 becomes necessary to pass a bur or large joint, after which said bushings may be moved again into their proper position.
  • the slots 7 and 13 in the dies 6 no I and bushings 11 may be formed with flared ends, thus adapting said dies and bushings to be used in connection with different sizes of pipes by merely reversing the dies and bushlngs.
  • a die-stock having straight parallel guide-flanges, a die fitted between said guideflanges formed with an open-ended slot, said die being freely removable from between said guide-flanges, an adjusting-bolt extending through said slot, and an adjusting-screw arranged to engage the rear end of said die on one side of said open-ended slot.
  • a die -stock having parallel guideflanges, a die fitted between said guidefianges and formed with an open-ended slot, said die being freely removable from bctween said flanges, an adjusting-bolt extending through said slot, an inclined upright on said stock, and an adjusting screw extending through said upright and abutting against the rear end of said die on one side of said slot;

Description

PATBNTED MAR. 13. 1906.
- c. E. COLE.
TAPLANDDIE HOLDER, APPLICATION FILED DBO. 12,1994.
warms ST T Es? i i rtwmma Y I CLIFFORD ELBRIDGE corn, or; BIRMINGHAM, ALABAMA,
Specification of Letters Patent.
Patented March 13, 1906.
Application filed 158061 1536! 12,1904. $erial No. 236, 01.
To all whom it may concern: I I
Be it known that I, CLIFFORD 'E'L ID E COLE, a citizen offthe United Stat es, residing atBirmingham, in the county of- Jefferson and State of Alabama, have invented new and-useful Improvements in Tap and Die Holders, of which the following is a specifica of the stock without the necessity .of removing the adjustingscrews by means of which the dies are secured in position upon the stock. r a
A further object of the invention isto render the bushings of the stockadjustable in such manner that pipes of greatly-varying sizes may be operated upon.
The first object ofthe invention is attained, preferably, by forming in each of the dies an open-ended slot through which the adj ustingupon the stock extends.
screw by means of which the'die is secured the dies with an open-endedslot it'is necessary merely to loosen the adjusting-screw and move the die in a longitudinal direction. The new die is secured in position by fitting its open-ended slot around the adjustingscrew and moving it in a longitudinal direction, after which the adjusting-screw is tightened to clamp thedie in position. i
The second object of the invention is attained, preferably, by providing each stock with a pair of sliding bushings each formed with an open-ended slot through which ex-- tends an adj usting-screw.
In order that the invention may be more clearly understood, one practical embodiment thereof will be described and claimed hereinafter. r
In the accompanying drawings, forming part of this specification, Figure 1 is aperspective view of a die-stoclrhavihg dies and bushings. constructed in accordance with the present invention. Fig. 2 is-a plan view thereof, showing the improved dies. Fig. 3 is an under plan view showing the improved dinal section. Fig. 5 is a transverse section on the line 5 5, Fig. 1. of an improved die constructed in accordance. with the present invention. Fig. 7 is a similar' view of an improved sliding'bushing. Like referencenumerals indicate corresponding parts in the difierent views.
By forming each of Fig. 4 is a vertical longitu Fig. 6 is a detail view Thenumeral 1 represents the die-stock; I, I
flanges forming guideways in which'the ad- 5 i justabl'e dies and bushings hereinafter dcscribed are adapted to fit. One of the flanges .4 preferably'is formed with scale-marks, as 6 5 usual, in order'to, provide for the proper longitudinal adjustment of the dies. Theim- 4 proved dies 6 of this invention-are each formed, preferably, with anopen-ended slot 7, which opens out at the rear end thereof.-
, The adjusting-bolts 8, by means of which the dies are secured upon the stock, extend through the-open-ended slots 7, as-shown. In order to prevent rearward slipping movement of the dies 6 after they have been ad- 7 5 j usted to proper position, an inclined upright, such as 9, is secured to or formed integral upon the stock 1 in rear of each die 6, an adjusting-screw 10 extending through each of said inclined uprights and abutting against the rear end-of theadjacent die. It is necessary that each of the uprights 9 be inclined,
as shown, in order thatthe adjusting-screw 10 may not enter theslot 7, and thus fail of" its function. From the foregoing description it will be apparent that when it is desired to remove one set of dies 6. and to substitute another set the entire withdrawal of the adjusting-screws 8 is unnecessary. -On
the contrary, it is necessary only to loosen the adjusting-bolts 8 and to move the dies in a longitudinal direction until the open-ended slots'7 become disengaged from said adjusting-bolts. i
V In order to adapt the improved stock to fit 5 pipes of greatly-varying sizes, a pair of slid- 7 ing bushings, such as 11, is secured upon the side of the stock opposite the dies 6 by means. of adjusting-bolts 12. Each of the sliding bushings 11' is formed with an open-ended roo slot 13, by means of which it may be removed readily from the stock, if desired. In moving the improved stock of this invention longitudinallyalonga pipe the bushings 11 may i be adjusted away from each other when it 10'5 becomes necessary to pass a bur or large joint, after which said bushings may be moved again into their proper position.
Referring to Figs. 6 and 7, it will be observed that the slots 7 and 13 in the dies 6 no I and bushings 11 may be formed with flared ends, thus adapting said dies and bushings to be used in connection with different sizes of pipes by merely reversing the dies and bushlngs.
I am not aware that dies have been con structed with an open-ended slot, by means of which they are adapted not only to be adjusted in a longitudinal direction, but also to be removed readily from the stock without the necessity of removing the adjustingbolts, the objection to the old form of dies being 'that they cannot be removed from the 1sjtolck without the removal of the adjusting- Changes in the precise embodiment of invention illustrated and described may be made within the scope of the following claims and without departing from the spirit of the invention or sacrificing any of its advantages.
Having thus described the invention, what is claimed as new is 17 A die-stock having straight parallel guide-flanges, a die fitted between said guideflanges formed with an open-ended slot, said die being freely removable from between said guide-flanges, an adjusting-bolt extending through said slot, and an adjusting-screw arranged to engage the rear end of said die on one side of said open-ended slot.
2. A die -stock having parallel guideflanges, a die fitted between said guidefianges and formed with an open-ended slot, said die being freely removable from bctween said flanges, an adjusting-bolt extending through said slot, an inclined upright on said stock, and an adjusting screw extending through said upright and abutting against the rear end of said die on one side of said slot;
In testimony whereof I aflix my signature in presence of two witnesses;
CLIFFORD ELBRIDGE COLE.
Witnesses:
JOHN P. BRAND, E. W. FINCH;
US23660104A 1904-12-12 1904-12-12 Tap and die holder. Expired - Lifetime US815146A (en)

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