US700A - Photo-litho - Google Patents

Photo-litho Download PDF

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Publication number
US700A
US700A US700DA US700A US 700 A US700 A US 700A US 700D A US700D A US 700DA US 700 A US700 A US 700A
Authority
US
United States
Prior art keywords
saw
crank shaft
saws
fulcrum
head
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
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English (en)
Publication date
Application granted granted Critical
Publication of US700A publication Critical patent/US700A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
    • B26D1/553—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member with a plurality of wire-like cutting members
    • 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
    • Y10T83/00—Cutting
    • Y10T83/687—By tool reciprocable along elongated edge
    • Y10T83/6895—Plural reciprocable tools

Definitions

  • the frame A may be made of any convenient form, size, and strength for the purpose intended.
  • a vibrating beam B Figs. 1 and 2 is placed at the top of the frame.
  • Its fulcrum G is triangular or polygonal, instead of round. It moves in rectangular boxes D, instead of curved.
  • the sides of the fulcrum moving on the bottoms of the boxes may be made convex to prevent jarring, as the beam vibrates.
  • a straight saw E, E To each end of the vibrating beam is attached a straight saw E, E, in the following manner, whose lower ends are attached to a crank shaft F, below.
  • As the saws T heads As the saws T heads,
  • a connecting rod G to the lower end of this connecting rod a T head H: to the T head a harp-iron I with nuts J to raise or lower it z' to the harp iron the upper end of the saw E, the lower end of said saw being attached to another harp iron, or it may be attached immediately to a lower T head K, the last mentioned T head K being connected with the crank shaft by a pitman rod L.
  • the saw E is made to work vertically by means of rods M passing throu h the T heads over which rods they worr loosely, said rods being sustained in a vertical position by arms N projecting Vhorizontally from the main frame or in any convenient manner.
  • the nuts J on the ends of the harp iron are for straining the saws when they require it.
  • crank shaft may be turned by pulleys and bands; or cog wheels, by steam; or
  • the saws may be arranged ⁇ in gangs, or
  • the object of having the fulcrum made in this shape is not only to change the center of vibration alternately by which the arms of the beam are alternately lengthened thus compensating for a loss experienced at every halfV revolution of the crank shaft by the extension ofthe pitman rods but also to prevent the saws or works being brokenfor when the cranks are horizontal the pitman rods form the hypothenuses of two triangles, which of course will produce longer lines than the perpendiculars ⁇ or the lines extending from the center of the joint or connection with the lower J head to the center of the crankshaft, and consequently produces a strain or drawing down at each end of the beam, simultaneously: and the plummer boxes being immovable and the center ofthe cylindrical fulcrum as of a steam engine for instance remaining unchanged.
  • the saws must either be broken or stretched, or some part ofthe connection be lengthened or injured.
  • the fulcrum being made of a triangular, or polygonal shape, with the lower side or that which moves over the bottom of the box fiat, or nearly so, the center of the vibrating beam is made to descend or approach nearer to the crank shaft at the moment the pitman Vrods are extended when the beam and cranks vceded from them in any of the most improved modes in use, known to mechanics;

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
US700D Photo-litho Expired - Lifetime US700A (en)

Publications (1)

Publication Number Publication Date
US700A true US700A (en) 1838-04-21

Family

ID=2060983

Family Applications (1)

Application Number Title Priority Date Filing Date
US700D Expired - Lifetime US700A (en) Photo-litho

Country Status (1)

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US (1) US700A (en),)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040050551A1 (en) * 2000-07-31 2004-03-18 Exxonmobil Oil Corporation Fracturing different levels within a completion interval of a well
US20050045327A1 (en) * 2003-09-03 2005-03-03 Wang David Wei Gravel packing a well
US20190295737A1 (en) * 2016-11-15 2019-09-26 Prysmian S.P.A. Electrical field grading material and use thereof in electrical cable accessories
DE102018115991A1 (de) 2018-07-02 2020-01-02 Basler Ag Digitale schaltung zur korrektur eines vignettierungseffekts in werten von pixeln eines bildes einer elektronischen kamera
EP4334807A2 (en) 2021-05-03 2024-03-13 Neuralight Ltd. Obtaining high-resolution eye movement parameters

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040050551A1 (en) * 2000-07-31 2004-03-18 Exxonmobil Oil Corporation Fracturing different levels within a completion interval of a well
US20050045327A1 (en) * 2003-09-03 2005-03-03 Wang David Wei Gravel packing a well
US20190295737A1 (en) * 2016-11-15 2019-09-26 Prysmian S.P.A. Electrical field grading material and use thereof in electrical cable accessories
DE102018115991A1 (de) 2018-07-02 2020-01-02 Basler Ag Digitale schaltung zur korrektur eines vignettierungseffekts in werten von pixeln eines bildes einer elektronischen kamera
DE102018115991B4 (de) 2018-07-02 2023-12-07 Basler Ag Digitale schaltung zur korrektur eines vignettierungseffekts in werten von pixeln eines bildes einer elektronischen kamera
EP4334807A2 (en) 2021-05-03 2024-03-13 Neuralight Ltd. Obtaining high-resolution eye movement parameters

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