US3573444A — Gaging camber of lengthwise moving strip material

Claim 1

Independent Claim 138 words

The method of producing a signal which represents the magnitude of departures from straightness in one transverse dimension of a strip of steel or the like as the strip moves lengthwise through a defined zone, said method comprising: A. establishing three aligned points at fixed locations adjacent to said zone, spaced apart lengthwise of the strip; B. continuously producing three separate primary outputs, one for each of said points, each a function of the distance, measured in said dimension, between its point and the strip; C. producing a secondary output which is a function of one-half the sum of the primary outputs for the two outer ones of said points; and D. obtaining said signal as a function of the algebraic difference between the primary output corresponding to the medial one of said points and said secondary output.

Claim 2

Independent Claim 138 words

The method of producing a signal which represents the magnitude of departures from straightness in one transverse dimension of a strip of steel or the like as the strip moves lengthwise through a defined zone, said method comprising: A. establishing three aligned points at fixed locations adjacent to said zone, spaced apart lengthwise of the strip; B. continuously producing three separate primary outputs, one for each of said points, each a function of the distance, measured in said dimension, between its point and the strip; C. producing a secondary output which is a function of one-half the sum of the primary outputs for the two outer ones of said points; and D. obtaining said signal as a function of the algebraic difference between the primary output corresponding to the medial one of said points and said secondary output.

Claim 3

Independent Claim 101 words

The method of producing a signal having a value which corresponds to the magnitude and direction of departures in straightness in one transverse dimension of a strip of steel or the like as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in the directions of said departures, said method comprising: A. establishing three points at fixed locations adjacent to said zone, spaced apart lengthwise of said zone; B. continuously producing three separate primary outputs, one for each of said points, each a function of the amount and sing of the difference between

Claim 4

Independent Claim 101 words

The method of producing a signal having a value which corresponds to the magnitude and direction of departures in straightness in one transverse dimension of a strip of steel or the like as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in the directions of said departures, said method comprising: A. establishing three points at fixed locations adjacent to said zone, spaced apart lengthwise of said zone; B. continuously producing three separate primary outputs, one for each of said points, each a function of the amount and sing of the difference between

Claim 5

Dependent Claim 68 words

the instantaneous actual distance between the point and the strip, said distances being measured in the directions of said departures; C. producing a secondary output which is a function of the average of the outputs corresponding to the two outer ones of said points; and D. obtaining said signal from the difference between the primary output corresponding to the medial one of said points and said secondary output.

Claim 6

Dependent Claim 68 words

the instantaneous actual distance between the point and the strip, said distances being measured in the directions of said departures; C. producing a secondary output which is a function of the average of the outputs corresponding to the two outer ones of said points; and D. obtaining said signal from the difference between the primary output corresponding to the medial one of said points and said secondary output.

Claim 7

Dependent Claim 108 words

means for producing an output having a value that varies in correspondence with changes of position of said element; B. means mounting said transducers at fixed locations that are adjacent to said zone and spaced apart lengthwise of it, and with the transducers so oriented that their movable elements can be at all times engaged with the strip and move in said directions; C. averaging means connected with the two outer ones of said transducers and responsive to their outputs to produce a secondary output having a value that corresponds to one-half the sum of said values of the outputs of said two transducers, and D. summations means

Claim 8

Dependent Claim 108 words

means for producing an output having a value that varies in correspondence with changes of position of said element; B. means mounting said transducers at fixed locations that are adjacent to said zone and spaced apart lengthwise of it, and with the transducers so oriented that their movable elements can be at all times engaged with the strip and move in said directions; C. averaging means connected with the two outer ones of said transducers and responsive to their outputs to produce a secondary output having a value that corresponds to one-half the sum of said values of the outputs of said two transducers, and D. summations means

Claim 9

Dependent Claim 67 words

connected with the medial one of said three transducers to receive its output, said summation means being constructed and arranged to produce a signal having a value corresponding in sign and magnitude to the difference between the value of the output from the medial transducer and the value of said secondary output. 4 The apparatus of claim 3, further characterized by: A. each of the transducers comprising:

Claim 10

Dependent Claim 17 words

a magnetically permeable member coupled with the primary winding and movable relative thereto in opposite directions, and

Claim 11

Dependent Claim 17 words

a magnetically permeable member coupled with the primary winding and movable relative thereto in opposite directions, and

Claim 12

Dependent Claim 30 words

linkage means connecting the lever with said permeable member; and C. means biasing the movable element of each transducer in the direction to maintain its shoe engaged with the strip.

Claim 13

Dependent Claim 30 words

linkage means connecting the lever with said permeable member; and C. means biasing the movable element of each transducer in the direction to maintain its shoe engaged with the strip.

Claim 14

Dependent Claim 131 words

a shaft journaled in said bearing means, said shaft having a part thereof inside the housing means and a part thereof projecting through a wall of the housing means to the exterior thereof; D. a bellcrank fixed to each of said shafts, one of the arms of the bellcrank being inside the housing means and the other being outside the housing means, the arm that is outside the housing means having a part thereof positioned to engage a strip in said zone; E. means providing a motion transmitting connection between the arm that is inside the housing means and the movable element of its associated transducer; and F. means independently biasing each of the bellcranks in the direction to maintain its outer arm in engagement with a strip in said zone.

Claim 15

Dependent Claim 131 words

a shaft journaled in said bearing means, said shaft having a part thereof inside the housing means and a part thereof projecting through a wall of the housing means to the exterior thereof; D. a bellcrank fixed to each of said shafts, one of the arms of the bellcrank being inside the housing means and the other being outside the housing means, the arm that is outside the housing means having a part thereof positioned to engage a strip in said zone; E. means providing a motion transmitting connection between the arm that is inside the housing means and the movable element of its associated transducer; and F. means independently biasing each of the bellcranks in the direction to maintain its outer arm in engagement with a strip in said zone.

Claim 16

Dependent Claim 69 words

means for producing an output having a value that varies in dependence upon the position of said element in its path; B. an elongated supporting member fixed adjacent to said zone and extending parallel thereto, said supporting member comprising housing means enclosing and mounting said transducers at fixed locations spaced lengthwise of the supporting member; C. means providing three pivots, one for each transducer, each of said pivots comprising;

Claim 17

Dependent Claim 69 words

means for producing an output having a value that varies in dependence upon the position of said element in its path; B. an elongated supporting member fixed adjacent to said zone and extending parallel thereto, said supporting member comprising housing means enclosing and mounting said transducers at fixed locations spaced lengthwise of the supporting member; C. means providing three pivots, one for each transducer, each of said pivots comprising;

Claim 18

Dependent Claim 48 words

connected with the third transducer to receive its output, said summation means being constructed and arranged to produce a signal having a value corresponding in sign and magnitude to the difference between the value of the output from said third transducer and said value of the secondary output.

Claim 19

Dependent Claim 48 words

connected with the third transducer to receive its output, said summation means being constructed and arranged to produce a signal having a value corresponding in sign and magnitude to the difference between the value of the output from said third transducer and said value of the secondary output.

Claim 20

Dependent Claim 50 words

having a motion transmitting connection with said element of its transducer whereby swinging motion of its first lever arm is translated into motion of said element; and F. means biasing each of the first lever arms in the direction to swing its free end toward a strip in said zone.

Claim 21

Dependent Claim 50 words

having a motion transmitting connection with said element of its transducer whereby swinging motion of its first lever arm is translated into motion of said element; and F. means biasing each of the first lever arms in the direction to swing its free end toward a strip in said zone.

Claim 22

Dependent Claim 37 words

an opposite end portion comprising a shoe adapted for sliding engagement with a strip in said zone; E. a second lever arm for each pivot that is inside the housing means, each of said second lever arms;

Claim 23

Dependent Claim 37 words

an opposite end portion comprising a shoe adapted for sliding engagement with a strip in said zone; E. a second lever arm for each pivot that is inside the housing means, each of said second lever arms;

Claim 24

Dependent Claim 12 words

having its medial portion within the housing means, near its transducer, and

Claim 25

Dependent Claim 12 words

having its medial portion within the housing means, near its transducer, and

Claim 26

Dependent Claim 68 words

means for producing an output having a value that varies in dependence upon the position of said element in its path; B. an elongated supporting member fixed adjacent to said zone and extending parallel thereto, said supporting member comprising housing means enclosing and mounting said transducers at fixed locations spaced lengthwise of the supporting member; C. means providing three pivots, one for each transducer, each of said pivots

Claim 27

Dependent Claim 68 words

means for producing an output having a value that varies in dependence upon the position of said element in its path; B. an elongated supporting member fixed adjacent to said zone and extending parallel thereto, said supporting member comprising housing means enclosing and mounting said transducers at fixed locations spaced lengthwise of the supporting member; C. means providing three pivots, one for each transducer, each of said pivots

Claim 28

Dependent Claim 48 words

having opposite end portions projecting from the housing means, said pivots having their axes spaced apart and along a line that extends lengthwise of the supporting member; D. a first lever arm outside the housing means for each of said pivots, each of said first lever arms having;

Claim 29

Dependent Claim 48 words

having opposite end portions projecting from the housing means, said pivots having their axes spaced apart and along a line that extends lengthwise of the supporting member; D. a first lever arm outside the housing means for each of said pivots, each of said first lever arms having;

Claim 30

Dependent Claim 39 words

a pair of secondary windings coupled with the primary winding through the permeable member and in which currents are respectively induced that have values dependent upon the position of the permeable member; B. each of said movable elements comprising

Claim 31

Dependent Claim 39 words

a pair of secondary windings coupled with the primary winding through the permeable member and in which currents are respectively induced that have values dependent upon the position of the permeable member; B. each of said movable elements comprising

Claim 32

Dependent Claim 71 words

Means for detecting departures from straightness of a strip of steel or the like in a pair of opposite directions transverse to the length of the strip as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in said directions, and for producing an output that corresponds to the magnitude and direction of such departures, said means comprising: A. three transducers, each comprising:

Claim 33

Dependent Claim 71 words

Means for detecting departures from straightness of a strip of steel or the like in a pair of opposite directions transverse to the length of the strip as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in said directions, and for producing an output that corresponds to the magnitude and direction of such departures, said means comprising: A. three transducers, each comprising:

Claim 34

Dependent Claim 70 words

Apparatus for detecting departures from straightness of a strip of steel or the like In a pair of opposite directions transverse to the length of the strip as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in said directions, and for producing an output that represents the magnitude and direction of such departures, said apparatus comprising: A. three transducers, each comprising:

Claim 35

Dependent Claim 70 words

Apparatus for detecting departures from straightness of a strip of steel or the like In a pair of opposite directions transverse to the length of the strip as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in said directions, and for producing an output that represents the magnitude and direction of such departures, said apparatus comprising: A. three transducers, each comprising:

Claim 36

Dependent Claim 56 words

The apparatus of claim 5, further characterized by: G. averaging means connected with the two transducers associated with the outer ones of said pivots and responsive to the outputs of said transducers, to produce a secondary output having a value that corresponds to one-half the sum of said values of their outputs; and H. summation means

Claim 37

Dependent Claim 70 words

Apparatus for detecting departures from straightness of a strip of steel or the like in a pair of opposite directions transverse to the length of the strip as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in said directions, and for producing an output that represents the magnitude and direction of such departures, said apparatus comprising: A. three transducers, each comprising;

Claim 38

Dependent Claim 70 words

Apparatus for detecting departures from straightness of a strip of steel or the like in a pair of opposite directions transverse to the length of the strip as the strip moves lengthwise through a defined elongated zone in which the strip tends to shift bodily in said directions, and for producing an output that represents the magnitude and direction of such departures, said apparatus comprising: A. three transducers, each comprising;

Claim 39

Dependent Claim 56 words

The apparatus of claim 7, wherein the transducers are identical to one another, and wherein all of the bellcranks are of the same size, so that equal displacements of the outer arms in response to detected departures from straightness of a strip passing through said zone, produce equal displacements of the movable elements of the transducers.

Claim 40

Dependent Claim 19 words

The apparatus of claim 8, wherein the outer arms of the bellcranks are considerably longer than the inner arms.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1974-04-05	1974-10-05	1975-04-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1978-04-05	1978-10-05	1979-04-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1982-04-05	1982-10-05	1983-04-06	$7700.00	Window Closed / Lapsed

Gaging camber of lengthwise moving strip material

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