US3232532A - Calculating machines - Google Patents

Calculating machines Download PDF

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US3232532A
US3232532A US438236A US43823665A US3232532A US 3232532 A US3232532 A US 3232532A US 438236 A US438236 A US 438236A US 43823665 A US43823665 A US 43823665A US 3232532 A US3232532 A US 3232532A
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Prior art keywords
body member
slide members
scale markings
slide
cursors
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Expired - Lifetime
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US438236A
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Dorp Walter Vom
Dietrich Edgar
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Mannesmann Meer AG
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Mannesmann Meer AG
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
    • G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder

Definitions

  • This invention relates to calculating machines.
  • this invention relates to calculating machines of the slide-rule type.
  • One object of the present invention is to provide a calculating machine in which the above discussed disadvantages are overcome at least in part.
  • a calculating ma ⁇ chine of the slide-rule type, includes a frame member, a
  • FIGURE l is a part-sectional side elevation of the machine.
  • FIGURE 2 is a cross-sectional elevation taken perpendicularly to the longitudinal axis of the machine.
  • the machine includes a body member 1 which is rotatably mounted on spindles 2 and 3 which are mo-unted in a Iframe member 4.
  • the spindle 2 is xcd in the frame 4 and the body 1 rotates on its stub.
  • One end of the spindle 3 is lixed in the body 1 and the other end is rotatable in a hole in the frame 4, there being provided a pinch-nut assembly 5 whereby the body 1 may be locked in any rotational position.
  • a hollow arm 6 which is rotatable on the spindle 2 relative to the frame 4, this arm 6 being locked in any desired position by means of a further pinch-nut assembly 7.
  • the arm 6 carries a lamp housing and reflector 8 whereby the body 1 may be illuminated.
  • each slide 9 is bridged by one of anumber of cursors 1t) and 13, whereby each slide 9 and its associated markings may be used in the manner of a conventional straight slide rule.
  • a cylinder 11 Arranged within the body 1, mounted so as to be rotatable about its axis 16 is a cylinder 11 which carries, arranged in slots about its periphery, six slides 12, each of which carries markings relevant to a particular set of calculations.
  • a slot through which one slide 12 at a time on the cylinder 11 may be Seen is provided in the body 1 .
  • the cursor 13 is curved so as to cover two sides of the body 1, including the slot through which the slides 12 may be seen and a particular one of the slides 9 such that calculations involving the markings on any one of the sli-des 12 and the particular one of the slides 9 may be carried out.
  • the cylinder 11 is locked in any desired rotational position by means of a spring-loaded hexagonal stop-pin 14 which (zo-operates with a hexagonal hole in the end wall of the body 1.
  • This stop-pin 14 may be released by pressing in a wheel 15, the cylinder 11 then being rotated by rotation of the wheel 1S.
  • the body 1 is basically rectangular in cross-section but having one rounded corner, it may be constructed having any convenient cross-section shape, and that the markings carried by the body 1 may be car- 3 ried by interchangeable members iixed to the body l. as required. l
  • a calculating machine in cluding a frame member, a longitudinally extending body member mounted on said frame member so as to be rotatable relative thereto about a longitudinal axis of said body member, a numebr of slide members connected near the outer periphery to said body member and ylongitudinally slidable relative thereto, scale markings on said slide members and scale markings on said body member, and a number of cursors slidably mounted on said body member so as to be able .to slide in the longitudinal direction along said body member, each of Said cursors being adapted to provide co-operation between certain of said scale markings on said slide membersl and certain of said scale markings on said body member, a cylindrical member arranged within said body member and adapted to be rotatable about'its longitudinal axis relative to said body member, a number of furtherslide mebers slidably connected near the outer periphery'to said cylindrical member, each of said further slide members being
  • a calculating machine including a frame member, a longitudinally extending body member mounted on said frame member so as to be rotatable relative thereto about a longitudinal axis of said body member, a number of slide members arranged in longitudinally extending grooves about the outer periphery of said body member, said slide members being adapted to slide in the longitudinal direction in said grooves, scale markings on said slide members and scale markings on said body member, and a number of cursors slidably mounted on said body member so as to be able to slide in the longitudinal direction along said body member, each of said cursors being adapted to provide co-operation between certain of said scale markings on said slide members and certain of said scale markings on said body member, including a cylindrical member arranged Within said body member and adapted to be rotatable about its longitudinal axis relative to said body member, a number of further slide members arranged in longitudinally extending grooves about the outer periphery of said cylindrical member, each of said futher slide members being
  • said locking means comprises a polygonalfin-sec'tion spring-loaded pin which in the locking position is held in co-operaton with said body member, the number of side 'faces on said pin being equal to the number of further Vslide members on said cylindrical body.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Description

Feb. 1, 1966 w. voM DORP ETAL 3,232,532
CALCULATING MACHINES Filed March 9, 1965 2 Sheets-Sheet 1 Feb. l, 1966 w. voM DORP ETAL 3,232,532
CALCULATING MACHINES Filed March 9, 1965 2 Sheets-Sheet 2 Fig? lm/en tors.I
United States Patent O 3,232,532 CALCULATING MACHINES Walter Vom Dorp and Edgar Dietrich, Rheydt, Germany,
assignors to Mannesmann-Meer Aktiengesellschaft, Munchen-Gladbach, Germany, a corporation of Ger- Filed Mar. 9, 1965, Ser. No. 438,236 Claims priority, application Germany, Mar. 9, 1964, M 60,2412 4 Claims. (Cl. 23S-79.5)
This invention relates to calculating machines.
More particularly this invention relates to calculating machines of the slide-rule type.
The invention will be described as developed for use in determining roll speeds for multipass rolling mills although it will be appreciated that the invention is no-t limited to such application.
As is well known, when carrying out multistage reduction upon a tubular ingot which has been heated to the roll temperature by sending the ingot through several suc- ,the operator .with instructions for determining the necessary sequence of roller speeds, these instructions usually being in the form of data sheets in which appropriate calculation factors are presented in tabular and graph form.
The fact that the operator h-as to be given such instructions and information regarding the various factors involved in setting the roller speeds, demonstrates how complex are the theoretical considerations and mathematical knowledge required in order to ensure proper adjustment of the 'installation both prior to and during production.
In order to considerably simplify the task of the operator, it is desirable for the supplier to provide an aid by means of which the operator, in accordance with a predetermined scheme and without the need for knowledge of the fundamental principles involved, could determine roller speeds at each particular stand and thus ensure the desired deformation, it being also desirable that the operator should be able to determine these values for diiferent types of installation.
One method of solving this problem is for the supplier to provide slide rule devices of known type, the required values being calculated by appropriate manipulation for slides and cursors. However, it must be borne in mind that it is necessary for the supplier either to provide varying numbers of interchangeable slides (for example if it is required to deal with what are known as combined multipass rolling mill installations), or to avoid this, by providing several scales on oneslide.
However, all these approaches suffer the disadvantage that the devices concerned either involve interchangeable parts, which may lead to confusion, or, in the event that several scales are carried on one slide, detract from the straightforwardness of operation and thus demand a great deal of attention and accuracy on the part of the operator.
One object of the present invention is to provide a calculating machine in which the above discussed disadvantages are overcome at least in part.
According to the present invention, a calculating ma` chine, of the slide-rule type, includes a frame member, a
ICC
longitudinally extending body member mounted on said frame member so as to be rotatable relative thereto about a longitudinal axis of said body member, a number of slide members arranged in longitudinally extending grooves about the outer periphery of said body member, said slide members being adapted to slide in the longitudinal direction in saidv grooves, scale markings on said slide members and scale markings on said body member, and a number of cursors slidably mounted on said body member so as to be able to slide in the longitudinal direction along said body member, each of said cursors being adapted to provide co-operation between certain of said scale markings on said slide members and certain of said scale markings on said body member.
One embodiment of a calcul-ating machine in accordance with the present invention will now be described by way of example with reference to the accompanying drawings, in which:
FIGURE l is a part-sectional side elevation of the machine, and
FIGURE 2 is a cross-sectional elevation taken perpendicularly to the longitudinal axis of the machine.
Referring now to the drawings, the machine includes a body member 1 which is rotatably mounted on spindles 2 and 3 which are mo-unted in a Iframe member 4. The spindle 2 is xcd in the frame 4 and the body 1 rotates on its stub. One end of the spindle 3 is lixed in the body 1 and the other end is rotatable in a hole in the frame 4, there being provided a pinch-nut assembly 5 whereby the body 1 may be locked in any rotational position.
Provided on the spindle 2 is a hollow arm 6 which is rotatable on the spindle 2 relative to the frame 4, this arm 6 being locked in any desired position by means of a further pinch-nut assembly 7. The arm 6 carries a lamp housing and reflector 8 whereby the body 1 may be illuminated.
Arranged in slots about the periphery of the body 1 are slides 9, these slides 9 carrying markings which co operate with further markings on the body 1. Each of the slides 9 is bridged by one of anumber of cursors 1t) and 13, whereby each slide 9 and its associated markings may be used in the manner of a conventional straight slide rule.
Arranged within the body 1, mounted so as to be rotatable about its axis 16 is a cylinder 11 which carries, arranged in slots about its periphery, six slides 12, each of which carries markings relevant to a particular set of calculations.
Provided in the body 1 is a slot through which one slide 12 at a time on the cylinder 11 may be Seen. The cursor 13 is curved so as to cover two sides of the body 1, including the slot through which the slides 12 may be seen and a particular one of the slides 9 such that calculations involving the markings on any one of the sli-des 12 and the particular one of the slides 9 may be carried out.
The cylinder 11 is locked in any desired rotational position by means of a spring-loaded hexagonal stop-pin 14 which (zo-operates with a hexagonal hole in the end wall of the body 1. This stop-pin 14 may be released by pressing in a wheel 15, the cylinder 11 then being rotated by rotation of the wheel 1S.
Although in the embodiment described four slides 9 and six slides 12 are provided it will be appreciated that any number may be provided in dependence upon the number of types of calculations the machine is required to carry out.
It will be further appreciated that although in the embod'ment described the body 1 is basically rectangular in cross-section but having one rounded corner, it may be constructed having any convenient cross-section shape, and that the markings carried by the body 1 may be car- 3 ried by interchangeable members iixed to the body l. as required. l
What we claim as our invention and desire to Secure by Letters Patentoil the lUnited States is:
1. A calculating machine, of the slide-rule type, in cluding a frame member, a longitudinally extending body member mounted on said frame member so as to be rotatable relative thereto about a longitudinal axis of said body member, a numebr of slide members connected near the outer periphery to said body member and ylongitudinally slidable relative thereto, scale markings on said slide members and scale markings on said body member, and a number of cursors slidably mounted on said body member so as to be able .to slide in the longitudinal direction along said body member, each of Said cursors being adapted to provide co-operation between certain of said scale markings on said slide membersl and certain of said scale markings on said body member, a cylindrical member arranged within said body member and adapted to be rotatable about'its longitudinal axis relative to said body member, a number of furtherslide mebers slidably connected near the outer periphery'to said cylindrical member, each of said further slide members being provided with scale markings, said body member being formed with a longitudinally extending slot therein such -that by rotation of said cylindrical member said further slide members may be viewed individually through said slot, and locking means whereby said cylindrical member may be locked in any rotational position at which one of saidfurther slide members may be so viewed.
2. A calculating machine, of the slide-rule type, including a frame member, a longitudinally extending body member mounted on said frame member so as to be rotatable relative thereto about a longitudinal axis of said body member, a number of slide members arranged in longitudinally extending grooves about the outer periphery of said body member, said slide members being adapted to slide in the longitudinal direction in said grooves, scale markings on said slide members and scale markings on said body member, and a number of cursors slidably mounted on said body member so as to be able to slide in the longitudinal direction along said body member, each of said cursors being adapted to provide co-operation between certain of said scale markings on said slide members and certain of said scale markings on said body member, including a cylindrical member arranged Within said body member and adapted to be rotatable about its longitudinal axis relative to said body member, a number of further slide members arranged in longitudinally extending grooves about the outer periphery of said cylindrical member, each of said futher slide members being provided with scale markings, said body member being formed with a longitudinally extending slot therein such that by rotation of said cylindrical member said further slide members may be viewed indivdiually through said slot, and locking means whereby said cylindrical member may be locked in any rotational position at which one of said further slide members may ybe so Viewed.
3. A calculating machine as claimed in claim 2, wherein one of said cursors is adaptedl to provide cooperation between the scale markings on one of said slide members on said body member and the scale markings on the particular one of said further slide members visible at any instant.
4. A calculating machine as claimed in claim 2,'wherein said locking means comprises a polygonalfin-sec'tion spring-loaded pin which in the locking position is held in co-operaton with said body member, the number of side 'faces on said pin being equal to the number of further Vslide members on said cylindrical body.
References Cited by the Examiner UNITED STATES PATENTS 249,117 11/1881 Thacher 23S-79.5
998,414 7/ 1911 Smith 235-87 1,343,660 6/1920 Christopher 235-87 1,433,186 10/1922 Doemen 235-79.5 1,535,377 4/1925 Radu 177-177 X 2,034,189 3/1936 Hogan 235-87 X 2,088,395 7/1937 Bayard. 2,207,375 7/ 1940 Friedell. 2,606,390 5/1950 Sears 235-87 2,643,823 6/1953 Quillinan 23S- 479.5 3,000,558 9/1961 Jaynes 23S-86 FOREIGN PATENTS 246,677 5/ 1912 Germany. LEO SMILOW, Primary Examiner.
C. G. COVELL, Assistant Examiner.

Claims (1)

1. A CALCULATING MACHINE, OF THE SLIDE-RULE TYPE, INCLUDING A FRAME MEMBER, A LONGITUDINALLY EXTENDING BODY MEMBER MOUNTED ON SAID FRAME MEMBER SO AS TO BE ROTATABLE RELATIVE THERETO ABOUT A LONGITUDINAL AXIS OF SAID BODY MEMBER, A NUMBER OF SLIDE MEMBERS CONNECTED NEAR THE OUTER PERIPHERY TO SAID BODY MEMBER AND LONGITUDINALLY SLIDABLE RELATIVE THERETO, SCALE MARKINGS ON SAID SLIDE MEMBERS AND SCALE MARKINGS ON SAID BODY MEMBER, AND A NUMBER OF CURSORS SLIDABLY MOUNTED ON SAID BODY MEMBER SO AS TO BE ABLE TO SLIDE IN THE LONGITUDINAL DIRECTION ALONG SAID BODY MEMBER, EACH OF SAID CURSORS BEING ADAPTED TO PROVIDE CO-OPERATION BETWEEN CERTAIN OF SAID SCALE MARKINGS ON SAID SLIDE MEMBERS AND CERTAIN OF SAID SCALE MARKINGS ON SAID BODY MEMBER A CYLINDRICAL MEMBER ARRANGED WITHIN SAID BODY MEMBER AND ADAPTED TO BE ROTATABLE ABOUT ITS LONGITUDNAL AXIS RELATIVE TO SAID BODY MEMBER, A NUMBER OF FURTHER SLIDE MEMBERS SLIDABLY CONNECTED NEAR THE OUTER PERIPHERY TO SAID CYLINDRICAL MEMBER, EACH OF SAID FURTHER SLIDE MEMBERS BEING PROVIDED WITH SCALE MARKINGS, SAID BODY MEMBER BEING FORMED WITH A LONGITUDINALLY EXTENDING SLOT THEREIN SUCH THAT BY ROTATION OF SAID CYLINDRICAL MEMBER SAID FURTHER SLIDE MEMBERS MAY BE VIEWED INDIVIDUALLY THROUGH SAID SLOT, AND LOCKING MEANS WHEREBY SAID CYLINDRICAL MEMBER MAY BE LOCKED IN ANY ROTATIONAL POSITION AT WHICH ONE OF SAID FURTHER SLIDE MEMBERS MAY BE SO VIEWED.
US438236A 1964-03-09 1965-03-09 Calculating machines Expired - Lifetime US3232532A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406900A (en) * 1966-10-07 1968-10-22 George R. Hunt Powered slide rule assembly

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE246677C (en) *
US249117A (en) * 1881-11-01 Slide-rule
US998414A (en) * 1910-12-31 1911-07-18 Nat Calculator Company Calculating device.
US1343660A (en) * 1920-06-15 christopher
US1433186A (en) * 1922-02-01 1922-10-24 Daemen Viktor Calculating device
US1535377A (en) * 1924-04-14 1925-04-28 Sanitary Scale Co Illuminated indicator for scales
US2034189A (en) * 1934-12-10 1936-03-17 Robert Britigan Corp Calculating device
US2088395A (en) * 1934-06-19 1937-07-27 Bayard Julius Herbert Calculating device
US2207375A (en) * 1939-08-19 1940-07-09 Philip A Friedell Photographic measuring and calculating scale
US2506390A (en) * 1950-05-02 Percentage computation aid
US2643823A (en) * 1950-11-24 1953-06-30 Michael J Quillinan Slide rule
US3000558A (en) * 1961-09-19 jaynes

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE246677C (en) *
US249117A (en) * 1881-11-01 Slide-rule
US1343660A (en) * 1920-06-15 christopher
US2506390A (en) * 1950-05-02 Percentage computation aid
US3000558A (en) * 1961-09-19 jaynes
US998414A (en) * 1910-12-31 1911-07-18 Nat Calculator Company Calculating device.
US1433186A (en) * 1922-02-01 1922-10-24 Daemen Viktor Calculating device
US1535377A (en) * 1924-04-14 1925-04-28 Sanitary Scale Co Illuminated indicator for scales
US2088395A (en) * 1934-06-19 1937-07-27 Bayard Julius Herbert Calculating device
US2034189A (en) * 1934-12-10 1936-03-17 Robert Britigan Corp Calculating device
US2207375A (en) * 1939-08-19 1940-07-09 Philip A Friedell Photographic measuring and calculating scale
US2643823A (en) * 1950-11-24 1953-06-30 Michael J Quillinan Slide rule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406900A (en) * 1966-10-07 1968-10-22 George R. Hunt Powered slide rule assembly

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FR1428342A (en) 1966-02-11

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