US58924A - Improvement in tube-sheet cutters - Google Patents

Improvement in tube-sheet cutters Download PDF

Info

Publication number
US58924A
US58924A US58924DA US58924A US 58924 A US58924 A US 58924A US 58924D A US58924D A US 58924DA US 58924 A US58924 A US 58924A
Authority
US
Grant status
Grant
Patent type
Prior art keywords
tube
center
improvement
sheet
cutter
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
Publication date
Grant date

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/04Drills for trepanning
    • B23B51/05Drills for trepanning for cutting discs from sheet
    • 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
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/50Cutting by use of rotating axially moving tool with product handling or receiving means
    • Y10T408/51Ejector
    • 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
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/55Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/56Adapted to "form" recession in work
    • Y10T408/5605Recession at tool-axis
    • 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
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/55Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/564Movable relative to Tool along tool-axis
    • Y10T408/5653Movable relative to Tool along tool-axis with means to bias Tool away from work
    • 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
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/895Having axial, core-receiving central portion

Description

UNITED STATES PATENT OEEIcE.

THEODORE L. WEBSTER, OF BROOKLYN, NEW' YORK.

IMPROVEMENT IN TUBE-SHEET CUTTERS.

Specification forming part of Letters Patent No. 68,924, dated October 1G, 1866.

To all whom it may concern:

Be it known that I, TnEoDoRE L. WEB- STER, of Brooklyn, in the county of Kings and State of New York, have invented a certain new and useful Improvement in Tube-Sheet Gutters for Steam-Boilers; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part of this speeitication, and to the letters of reference marked thereon.

By the ordinary method of preparing the tube-sheets of steam-boilers for the reception of the tubes, after the sheets are laid out with lines that intersect at the points corresponding with the intended centers of the tubes, the centers are first marked with a punch, small holes are then drilled through the plate, and the plate is finally bored to the sive required with a pin or teat drill. The first small holes are required for the stcadiment of the teatdrill, making the larger holes for the tubes.

The object ot" my invention is to dispense with that portion of the labor hitherto required for the drilling of the preliminary small holes; and it is accomplished by means of a tool that lnay be centered in the center-punch or prick-punch markings, where it is held steadily while the holes for the reception of the tubes are being bored through the plate by the advance of the critters.

To attain this end my invention consists ot' a new arrangement of a circular cutter and spring-center, by which the circular head forming the cutter is titted to the tool-stock with a lantern -jcint, and the spring center works within the stock, and is retained by a key working in a slot.

When the center is placed in a center-punch marking, the drill may be fed down to the plate and passed through it, while the center Aremains in the marking and holds the cutter securely, the spring yielding gradually as the boring and the feeding progresses.

To enable others skilled inthe arts to which it appertains to make and use myinvention, I will proceed to describe its construction and operation with reference to the drawings.

Figure l is an outside view of the said improved tool, and Fig. 2 is a longitudinal sec tion, and Fig. 3 an end view ofthe same.

The socket a may be fitted to a machine in the usual manner. It carries a circular cutter, b, which is secured by the. lantern lock-pin e. rlhis lock corresponds with the direction of the cutting'edges ot' the cutter, so that it remains fastened when the drill is being used or being withdrawn, and may be readily untastcned by simply turning it back when it is required to remove the cutter.

rlhe center d is retained in the socket by the key c, that works in a suitable slot, and it is pressed outward bythe spring f, which should have suth'eient force to resist any tendency to lateral displacement. When the tool is pressed toward a sheet to be drilled the spring yields, and the center rl remains in the center-punch marking, while the cutter advances and passes through the sheet.

By means, therefore, ofthe yielding center, in combination with the circular cutter, a circular disk may be cut at once from the sheet, instead of first drilling a small hole, and then cutting away all the rest ofthe metal with an ordinary pin-drill. A single socket may bc fitted with several sizes of cutters made with offsets as may be required.

I claim- As an article of manufacture, a tool for drillA ing metals, composed ot' a circular cutter and a yielding center, constructed and arranged in the manner described.

THEODORE L. WEBSTER.

Witnesses THOMAS. DAY, WM. KEMBLE HALL.

US58924A Improvement in tube-sheet cutters Expired - Lifetime US58924A (en)

Publications (1)

Publication Number Publication Date
US58924A true US58924A (en) 1866-10-16

Family

ID=2128464

Family Applications (1)

Application Number Title Priority Date Filing Date
US58924A Expired - Lifetime US58924A (en) Improvement in tube-sheet cutters

Country Status (1)

Country Link
US (1) US58924A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543861A (en) * 1948-02-12 1951-03-06 Harry J Mader Plug insert bit for core drills
US2556240A (en) * 1945-08-02 1951-06-12 Valentine Patrick Rotary cutting tool
US2923180A (en) * 1956-12-14 1960-02-02 Newport News S & D Co Insulation cutting tool
US2931262A (en) * 1957-01-08 1960-04-05 Harry M Erwin Tool for cutting circular grooves
US3162067A (en) * 1962-11-23 1964-12-22 Black & Decker Mfg Co Hole saw
US3262474A (en) * 1964-03-11 1966-07-26 Black Hole saw assembly
US4193721A (en) * 1978-11-22 1980-03-18 Hougen Everett D Arbor for annular hole cutter
US4297059A (en) * 1978-06-26 1981-10-27 Masaaki Miyanaga Apparatus for forming holes in plate glass
US5816752A (en) * 1996-09-09 1998-10-06 Benjamin; Darin L. Knock out device
US20060037147A1 (en) * 2004-08-23 2006-02-23 Henry Redford Combined nut recess cleaner and nut driver tool
US20100278601A1 (en) * 2007-12-11 2010-11-04 Andrew Mark Beynon Cutting Apparatus
US20140271007A1 (en) * 2013-03-14 2014-09-18 Robert Bosch Gmbh Cylindrical Drill Body for a Hole Saw
US20150343539A1 (en) * 2012-12-21 2015-12-03 Hilti Aktiengesellschaft Cutting Portion for a Drill Bit

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556240A (en) * 1945-08-02 1951-06-12 Valentine Patrick Rotary cutting tool
US2543861A (en) * 1948-02-12 1951-03-06 Harry J Mader Plug insert bit for core drills
US2923180A (en) * 1956-12-14 1960-02-02 Newport News S & D Co Insulation cutting tool
US2931262A (en) * 1957-01-08 1960-04-05 Harry M Erwin Tool for cutting circular grooves
US3162067A (en) * 1962-11-23 1964-12-22 Black & Decker Mfg Co Hole saw
US3262474A (en) * 1964-03-11 1966-07-26 Black Hole saw assembly
US4297059A (en) * 1978-06-26 1981-10-27 Masaaki Miyanaga Apparatus for forming holes in plate glass
US4193721A (en) * 1978-11-22 1980-03-18 Hougen Everett D Arbor for annular hole cutter
US5816752A (en) * 1996-09-09 1998-10-06 Benjamin; Darin L. Knock out device
US20060037147A1 (en) * 2004-08-23 2006-02-23 Henry Redford Combined nut recess cleaner and nut driver tool
US7237291B2 (en) * 2004-08-23 2007-07-03 Henry Redford Combined nut recess cleaner and nut driver tool
US20100278601A1 (en) * 2007-12-11 2010-11-04 Andrew Mark Beynon Cutting Apparatus
US8858133B2 (en) * 2007-12-11 2014-10-14 C4 Carbides Limited Cutting apparatus
US20150343539A1 (en) * 2012-12-21 2015-12-03 Hilti Aktiengesellschaft Cutting Portion for a Drill Bit
US20140271007A1 (en) * 2013-03-14 2014-09-18 Robert Bosch Gmbh Cylindrical Drill Body for a Hole Saw
US9662720B2 (en) * 2013-03-14 2017-05-30 Robert Bosch Gmbh Cylindrical drill body for a hole saw

Similar Documents

Publication Publication Date Title
US2429375A (en) Socket for drilling and countersinking tools
US3687565A (en) Drill bit device
US6684514B2 (en) Center scribing kit for use with drilling templates
US4212559A (en) Means for connecting a male part with a female part
US1332898A (en) Tool
US2640379A (en) Drill
US2017247A (en) Tool attachment
US29883A (en) John m
US1365660A (en) Bit and like boring-tool
US2266339A (en) Boring bar
US2213919A (en) Adjusting means for cutting steels and piercing punches
US2437822A (en) Combined drill and deburring tool
US1926531A (en) Multiple tool and holder
US2242821A (en) Reaming tool
US215744A (en) Improvement in augers
US8019A (en) Improvement in machines for cutting screws on bedstead-rails
US1410451A (en) Multicutting bar
US669764A (en) Guiding appliance for drills.
US318221A (en) And flanging machine
US1225209A (en) Drill extension.
US548385A (en) nelson
US603825A (en) Melvin barber
US1337205A (en) Hand clamp and drill outfit
US1166613A (en) Punch.
US2390744A (en) Drilling and countersinking tool