US963144A - Tool-holder. - Google Patents

Tool-holder. Download PDF

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Publication number
US963144A
US963144A US51283609A US1909512836A US963144A US 963144 A US963144 A US 963144A US 51283609 A US51283609 A US 51283609A US 1909512836 A US1909512836 A US 1909512836A US 963144 A US963144 A US 963144A
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US
United States
Prior art keywords
tool
holder
screws
openings
passages
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
US51283609A
Inventor
Bengt M W Hanson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pratt and Whitney Co Inc
Original Assignee
Pratt and Whitney Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pratt and Whitney Co Inc filed Critical Pratt and Whitney Co Inc
Priority to US51283609A priority Critical patent/US963144A/en
Application granted granted Critical
Publication of US963144A publication Critical patent/US963144A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B29/00Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04Tool holders for a single cutting tool
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/22Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2202Plural spaced seats and common holder
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00Turning
    • Y10T82/25Lathe
    • Y10T82/2585Tool rest
    • Y10T82/2591Tool post

Description

B. M. w. HANSON.
TOOL HOLDER.
APPLIUATION FILED AUG. 14, 1909.
m MMS).
my v mWA P 1 Z fi an s PATENT BENGT'M. W. vT. [.A.I\TSO1YI', 0F HARTFORD, CONNECTICUT, ASSIGNOR T6 PRATT 8e WHITNEY COMPANY, OF HARTFORD, CONNECTICUT, A CORPORATION OF NEW JERSEY.
TOOL-HOLDER. I
than.
v specification of Letters Patent.
Patented July a, rare.
. l Application filed'August 14, 1909. Serial No. 512,836.
To all whom it may concern: l
, Be it known if at I, Bauer M. W. HAN- s'oN,-a citizen of the United States, residing at Hartford, in the county of Hartford lateral space, for substantially and solidly.
holding; a tool-hold'erto its carrier.
In the drawings accompanying and form-- ing part of the present specification I represent in detail one convenient form of embodiment of the invention which to enable those skilled in the art to practice the invent-ion will be fully set forth in the following description while the novelty of the invention will be included in the claimssucceeding said description. Certain variations may be adopted within the scope of my invention as expressed in said claims.
Referring to said draWingaFigure 1 is a front elevation of a tool-holder including my invention, a portion of a flat-top turretlathe being sectionally shown. Fig. 2 is a sectional view' from front to rear of said tool-holder the section being on a vertical plane and through one of the tool-receiving passages or chambers of said tool-holder, and, Fig. 3 is a top plan view of the same with certain binding screws omitted.
Like characters refer to like throughout the several figures of the 1n s.
is intimated hereinbefore a tool-holder embodying my invention'is susceptible of employment in connection with diflerent types of metal working machines although it is of especial advantage when utilized in parts drawconjunction. with a flat top turret lathe where economy in lateral space in maintainingsuch a tool-holder in an adjusted position is a desideratum and this function as I have indicated I secure. I
The tool-holder may be of various sizes and shapes, the latter not being a matter of consequence; that shown is denoted in a general way by 5 and it 1s made in the form practically of a block which can be ineX- pensively made by casting although this is not material. In the present case and as will hereinafter appear the tool-holding block 5 is of such nature that it may support one or more tools although there may be instances where I should prefer to so construct the device as to make it capable of sustaining but a single tool. The toolholder or block 5 as is well known is moved radially, for adjusting purposes, of a flattop turret 6 shown only in Fig. 1, it being customary to provide the tool-holder with a tongueas 7 fitting in a way or groove in the upper surface of said top.
I provide passages or chambers extending from front to rear 'of the tooLholder, for
receiving differently shaped tools, there be ing shown three of-such passages or cha1nbers, the central or intermediate one being designated by 8 and the two lateral or side passages each by 9. The central passage is represented as being circular in crbss section to better adapt it for receiving the similarly shaped shank of atool (not shown.) The outside or lateral passages or chambers 9 are preferably polygonal in cross section and a rectangular or square shape issatisfactory.
-I have shown as tappedthrough the upper portion of the tool-holder 5, a binding screw 10 the lower end of which is adapted to solidly engage the tool placed in the central opening or passage 8.
I have shown as leading downward from the respective chambers or passages 9, holes 11 for the passage of clamping screws as 12 which-are adapted to fit threaded openings 13 positioned appropriately in the turret top 6. Theseholes 11 may be made in different ways although they are preferably made in the form of counterbored openings by virtue of which the heads of said clamp-- ing screws 12 can find a firm bearing below the passages 9 uponthebottoms of the larger diametrical portions of said coun bored openings. The saidtool-holder 5 is illus portion thereof the holes 1 1 which are re spectively in vertical alinement with the counterbored openings 11 and the diameters of which respectively substantially agree with the larger diametrical portions of said counterbored openings so as to properly trated as having formed through the upper insure the passage of a socket-wrench, used in applying the screws 12, through said openings 14. It will therefore be evident that the diameter of the respective openings 14 is greater than the smaller diameters of the respective counterbored holes 11. might be considered also that the openings 14 are respectively a part of the openings 11;
in this event there would be a lateral opening at each side of the tool-holder intersected by a tool-receiving chamber or passage. The openings 14} removably receive screw plugs as 15 the lower ends of which bind against the shanks of the tools in said passages 9. To rigidly secure such tools in place it is not necessary that I rely wholly on these screw plugs for I may as shown dispose in advance of the same or it might be at the rear thereof) binding screws 16 which respectively augment the effect of the said screw-plugs 15. It will be of course obvious that the openings 11 and 1st open at the.
inner ends into the intervening chambers 9.
The tool-holder.5 is assumed to be clamped in an adjusted position in Fig. l'by the two clamping screws 12. It will be assumed that.
it is desiredto change the adjustment of the a tool holder. To do this the following procedure is adopted: The tools in the chambers or passages 9 are removed by first backing out or wholly removing the screws 15 and when the screws 15 are taken from place a socket wrench will be passed downward through the openings and passages 9, respectively, to the heads of the said two screws which will be backed out of their seats in the turret-top at which point the adjustment can beeffected and when secured said clamping screws will be run down by the socket-wrench into their seats insaid top so as to firmly clamp the tool-holder to said top after which the tools which were removed can be put back if necessary or others substituted in their stead subsequent to which the screws-15 will be put into position. It should be added that while it is necessary to wholly remove the screws 15 in changing an adjustment this is not necessary with the screws 16 which need simply be backed out sufliciently to free-them from the tools. Also it is not necessary to wholly-remove the screws 15 in adjusting the tools themselves, it being only necessary to slightly back the same out; Preferably the heads of all the described screws are of the same size r so that loan employ the same wrench for turning allsaid screws.
hat I claim is:
1. A tool-holder comprising a block having a tool-receiving passage, a counterbored to the bottom of the block, and an opening extending upward from said passage to the top of the block, the diameter of said opening being substantially the same as that of the larger portion of said counterbore and the wall, of said opening being threaded;
In testimony whereof I aflix my signature in presence of two witnesses.
BENGT M. W. HANSON.
- Witnesses:
CHAS. E. HoL'r F. E. ANDERSON.
US51283609A 1909-08-14 1909-08-14 Tool-holder. Expired - Lifetime US963144A (en)

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US51283609A US963144A (en) 1909-08-14 1909-08-14 Tool-holder.

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US51283609A US963144A (en) 1909-08-14 1909-08-14 Tool-holder.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101637A (en) * 1960-06-10 1963-08-27 Breau Wilfred Gasket cutting device
US20050257502A1 (en) * 2004-05-21 2005-11-24 Hans-Peter Wild Apparatus and method for filling flexible foil bags

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101637A (en) * 1960-06-10 1963-08-27 Breau Wilfred Gasket cutting device
US20050257502A1 (en) * 2004-05-21 2005-11-24 Hans-Peter Wild Apparatus and method for filling flexible foil bags
US8234841B2 (en) 2004-05-21 2012-08-07 Deutsche Sisi-Werke Betriebs Gmbh Apparatus and method for filling flexible foil bags

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