US2075400A - Apparatus for the linear measurement of strip materials - Google Patents

Apparatus for the linear measurement of strip materials Download PDF

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Publication number
US2075400A
US2075400A US656296A US65629633A US2075400A US 2075400 A US2075400 A US 2075400A US 656296 A US656296 A US 656296A US 65629633 A US65629633 A US 65629633A US 2075400 A US2075400 A US 2075400A
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United States
Prior art keywords
rings
counting
ring
teeth
drum
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Expired - Lifetime
Application number
US656296A
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English (en)
Inventor
Mazzucchelli Vittorio
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Individual
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Individual
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Publication of US2075400A publication Critical patent/US2075400A/en
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M3/00—Counters with additional facilities
    • G06M3/02—Counters with additional facilities for performing an operation at a predetermined value of the count, e.g. arresting a machine
    • G06M3/021—Counters with additional facilities for performing an operation at a predetermined value of the count, e.g. arresting a machine with drums type indicating means
    • G06M3/024—Counters with additional facilities for performing an operation at a predetermined value of the count, e.g. arresting a machine with drums type indicating means by adding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B5/043—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length

Definitions

  • the present invention relates to an apparatus for measuring out the lengths of products of machines when the product is to be delivered in determined lengths.
  • the main object of the present invention is to provide a known revolution counter with means for measuring any desired length of product-with most suitable approximation to the actual required length and within the nearest possible limits.
  • Another object is to provide means of the character indicated which may nevertheless be used for other purposes than for revolving counters.
  • the position of the teeth on the corresponding rings can be altered in two difierent ways therein described, viz. either by screwing the tooth into one or the other 'of the several holes provided in the counting drum rim, or by fixing the said tooth to an auxiliary ring which, in turn, is rendered fast with the main ring in a suitable position.
  • the present invention involves a modified form of the said disengagement system, and provides means rendering it easily and readily possible to alter the position of the mentioned teeth on the corresponding rings with re 40 spect to the drums of the counter.
  • Figure 1 is a view of 'a counting drum equipped 45 with the present invention, shown in partial section.
  • Figure 2 is a vertical central section of the apparatus of Figure 1, taken on line V-VI of said Figure 1, with the assumption that the teeth 50 on the rings lie in radial alignment withthe bolts adapted to render the said ring fast with a coaxial side projection of the counter drum.
  • Figure 3 is a side view, partly in section, of a counting mechanism wherein the present inven- 55 tion may be applied so as to control said mechanism, a casing for said mechanism being shown.
  • a revolution to counter is preferably employed of the type in which a set of coaxial cylindrical numeral wheels or counting drums are provided.
  • Each drum may have the usual spaced ciphers or numbers from 0 to 9 inscribed on its outer periphery, although said numbers are not shown in the drawing as being superfluous to illustrate.
  • the mentioned drums or numeral wheels are interconnected by means of gear wheels in a known manner such that each complete revolution of one numeral wheel corresponds to onetenth of a revolution of the next adjacent wheel.
  • the numeral wheels are so arranged that, if the ciphers in the first wheel or wheels of the set represent a fraction of a unit, the ciphers of the following wheels represent the units, tens, hundreds, thousands, etc., respectively.
  • the present apparatus is connected by means of a suitable gear train, as mentioned, to the cylinder of a machine from which the 'product may be unwound in order to be measured out in definite predetermined units.
  • the gear ratio of said gear train will determine the extent of periphery of the unwinding cylinder represented by the counting unit.
  • the sensitiveness of the apparatus can therefore be made to suit the varying requirements and is represented by the values chosen for the apparatus unit or unit fraction.
  • the operation of measuring the unwound length of product consists in counting how many times the unit is repeated; the measure is given by the product: counter revolutions multiplied by the value of the counter units.
  • the latter value may therefore be called 'counter co-efilcient.
  • the lengths to be unwound, for which the counter has to perform the functions above specified are determined by fixing the number of revolutions which the counter has to accomplish, this number being obtained by dividing the length by the counter co-eflicient.
  • the measurement is controlled ultimately by the presence of a cam in the form of a tooth adjustably connected to each counting drum and to the particular position of said cam or tooth with respect to such counting drum.
  • these rings can be moved through 5th of a turn at each step, because the inclined surfaces of the teeth '14 press the bolts II, II inwardly against the action of the springs I2, I2.
  • the angle and curvature of the teeth 14, I4 are so designed that the bolts II, II are lowered and cleared, whereafter the rings move forward till the peripendicular surface of subsequent teeth are reached.
  • the drum 6 with the spindles, by rotation thereof, makes it possible to put into action suitable devices for bringing to a standstill the machine, or for operating premonitory signaling devices.
  • one ring I serves for operating the snap drum of the automatic stop device and the other ring I serves for operating the other snap drum 6 designed for giving a premonitory signal.
  • each counting drum A more than two rings I may be used in order to obtain, in addition to the above said two functions any predetermined signaling as desired.
  • the snap drums 5 operating the stop and signaling devices may be arranged as well on separate parallel axes as on coaxial axes.
  • Linear measuring apparatus of the rotary type for strip material comprising, in combination with a substantially conventional revolution counter adapted to be operated from a machine by which the strip material is handled, a counting drum, :3, ring coaxially mounted on the hub of said counting drum, there being signaling and stopping devices, a tooth projecting from the outer periphery of said ring and adapted to selectively operate said signaling and stopping devices, means adapted to yieldingly lock the said ring to the hub of the counting drum and allowing the ring to be rotated only in one direction with respect to the hub on which it is mounted and preventing rotation in a reverse direction, comprising a series of spaced saw-teeth cut in the inner periphery of said ring, a bolt slidable in a radial recess provided in the hub of the counting drum, a spring arranged in said recess and tending to urge the said bolt into engagement with one of the inner saw-teeth of said ring, and spaced notches cut in the outer perip
  • Linear measuring apparatus of the rotary type for strip material comprising, in combination with a substantially conventional revolution counter adapted to be operated from a machine by which the strip material is handled, a plurality of coaxially arranged counting drums having individual hubs, a plurality of revolvable rings coaxially mounted on the hub of each of said counting drums, there being signaling and stopping devices, a tooth projecting from the outer periphery of each of said rings, said teeth serving to selectively control said signaling and stopping devices in succession, and means adapted to yieldingly lock said rings to the respective hubs of the counting drums so as to allow the rings to be rotated only in one direction with respect to the hub on which they are mounted and prevent rotation in a reverse direction, said latter means comprising a series of spaced saw-teeth cut in the inner periphery of each of said rings, a plurality of radial recesses cut in the hub of each of said counting drums in a number which equals the number of rings mounted on said hub, a

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Adornments (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
US656296A 1932-02-19 1933-02-11 Apparatus for the linear measurement of strip materials Expired - Lifetime US2075400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT396642X 1932-02-19

Publications (1)

Publication Number Publication Date
US2075400A true US2075400A (en) 1937-03-30

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US656296A Expired - Lifetime US2075400A (en) 1932-02-19 1933-02-11 Apparatus for the linear measurement of strip materials

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US (1) US2075400A (forum.php)
GB (1) GB396642A (forum.php)
NL (1) NL36795C (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018953A (en) * 1962-01-30 Resetting mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018953A (en) * 1962-01-30 Resetting mechanism

Also Published As

Publication number Publication date
GB396642A (en) 1933-08-10
NL36795C (forum.php)

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