US3643048A - Roller-band device - Google Patents

Roller-band device Download PDF

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US3643048A
US3643048A US9349A US3643048DA US3643048A US 3643048 A US3643048 A US 3643048A US 9349 A US9349 A US 9349A US 3643048D A US3643048D A US 3643048DA US 3643048 A US3643048 A US 3643048A
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Prior art keywords
roller
band
frame
contact
frame means
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US9349A
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English (en)
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Herman L Crow
Andrew Lu Conic
Patrick Martin Maloney
Gary Raymond Bluem
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KROY IND Inc
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KROY IND Inc
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Assigned to KROY, INC. reassignment KROY, INC. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: FIRST BANK NATIONAL ASSOCIATION
Assigned to STANCHART BUSINESS CREDIT, INC. reassignment STANCHART BUSINESS CREDIT, INC. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KROY, INC.
Assigned to KROY, INC. reassignment KROY, INC. MORTGAGE (SEE DOCUMENT FOR DETAILS). Assignors: LASALLE BUSINESS CREDIT, INC. F/K/A STANCHART BUSINESS CREDIT, INC.
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/135—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by making use of contacts which are actuated by a movable inertial mass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/148—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch making use of a rolamite sensor
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18832—Reciprocating or oscillating to or from alternating rotary including flexible drive connector [e.g., belt, chain, strand, etc.]

Definitions

  • ROLLER-BAND DEVICE [72] Inventors: Herman L. Crow, River Falls, Wis.; An-
  • ABSTRACT A roller-band device which utilizes a single roller with a flexible band encircling it and having its ends extending generally in opposite directions therefrom.
  • the band has complimentary cutout and solid portions, preferably a pair of spaced leg portions at one end of the band and a tongue portion disposed between and having a width somewhat less than the space between the two leg portions at the other end whereby the band is wrapped around the roller and the tongue passes between the spaced legs without touching them.
  • the roller and band are movable together along-a predetermined path and may be used for performing various electrical switching functions.
  • roller-band devices with multiple rollers spaced along a com- 4 24 Claims, 17 Drawing Figures ROLLER-BAND DEVICE BACKGROUND OF THE INVENTION Roller-band devices have become relatively well known in the past few years, particularly since disclosure to the public of the work done by Donald Wilkes on so-called Rolamite" devices. These devices are shown, for example, in U.S. Pat. Nos.
  • Rolamite devices utilize a flexible band formed into a generally S- shaped configuration with two rollers, one disposed on either side of the band and in one of the loops of the S-shape. These devices provide a relatively low-friction mechanism which, it has been suggested, may be utilized to provide a multitude of switching and other functions in response to a relatively small input force.
  • roller-band device utilizing a single roller has been disclosed, for example, in U.S. Pat. No. 3,167,962 issued to Dominick Scotto and in U.S. Pat. No. 3,488,098 issued to Bernard Sobczak.
  • a single roller is utilized with a band having complimentary cutaway portions so that a tongue portion wraps around the roller and extends through a space between the pair of spaced leg portions and the ends of the band extend generally in opposite directions from the roller.
  • They have the obvious advantage of being simpler than the Rolamite device in that they use a single roller and also that there is much less stress on the band since it is not doubled back against itself as is the case in the S-shaped band of the Rolamite devices.
  • roller-band devices of the types referred to above have become known and have been suggested as being capable of use in many applications, they have not actually found much commercial use. There has been a need for a simple switching device which provides good contact forces, can be made to respond to relatively small applied forces, is adaptable to operation in response to a variety of different types of forces, and particularly one which can be miniaturized and yet will be reliable, relatively inexpensive, and capable of switching relatively large current loads.
  • roller-band devices might be utilized in a switch which would satisfy some of these needs.
  • attempts have generally been made to utilize some type of conventional switching arrangement operated by the moving roller and band and these have not been completely successful for a number of reasons.
  • This invention provides an improvement over the previously proposed roller-band devices. It utilizes a single roller and band, preferably arranged generally like the arrangement disclosed in the previously mentioned Scotto U.S. Pat. No. 3,167,962 and Sobczak U.S. Pat. No. 3,488,098.
  • the band includes complimentary cutaway portions and solid portions on opposite ends thereof and disposed so that when the band encircles the roller, the solid portions thereof extend through the cutaway portions permitting the opposite ends of the band to cross over without touching each other.
  • opposite ends of the band decline from the plane on which the roller moves and form acute angles with this plane on the opposite side from the roller.
  • roller itself has one or more contact surfaces engageable with electrical contacts mounted on the frame or guide surface.
  • the contact force may be adjusted by adjusting the band tension or the angle of decline and thereby the downward thrust on the roller.
  • a unique frame structure is provided wherein the roller and band may be arranged so that the band extends fromthe crossover point in the plane on which the roller rolls or, by utilizing a longer roller, may decline downward from this plane.
  • a housing cooperates with this frame to form a completely enclosed structure which may easily be hermetically sealed.
  • the contact surface of the roller is the same diameter as the rolling radius of the roller and band so that there is a simple rolling action between the contact surface of the roller and the fixed contacts mounted on the frame.
  • the contact surface on the roller has a larger radius than the rolling radius of the roller and band so that there is a wiping action of the contact surfaces since the contact surface of the roller has a greater velocity than normal rolling action between the two surfaces would require.
  • the contact surface on the roller has a smaller radius than the rolling radius and this results in a skidding action because there is a lesser velocity than required for normal rolling action. The application of the device will determine which of these arrangements is used.
  • the device is usable for a multitude of functions generally similar to the uses which have been proposed for the Rolamite devices. It is especially useful in connection with electrical or pneumatic switching.
  • the device may be operated in response to gravity, impact, vibration, centrifugal force, acceleration, temperature (by a bimetal band), or may be magnetically operated, hand actuated as'in a keyboard switch, or operated in many other ways.
  • a plurality of roller-band devices may be assembled using a single band which encircles each of a plurality of spaced, parallel rollers.
  • the rollers may be of different masses or the band formed with different force characteristics adjacent different rollers so that they respond to different forces.
  • An object of the invention is to provide a roller-band device which can be easily manufactured and assembled.
  • Another object of the invention is to provide a roller-band device utilizing a single roller supported'by a band with the roller cooperating with fixed means to perform switching functions and with the band arranged to provide a thrust urging the roller toward the fixed means.
  • Another object of the invention is to provide a roller-band device utilizing a single roller and wherein the contact force between surfaces on the roller and fixed surfaces are readily adjustable.
  • Another object of the invention is to provide a roller-band device with the band arranged so that the force exerted upon the guide surface by the roller varies as the roller moves from one position to another in its path of travel.
  • Another object of the invention is to provide a unique frame and housing means for a roller-band device which renders the device easy to assemble and calibrate and then substantially completely encloses the device.
  • Still another object of the invention is to provide a rollerband device wherein a plurality of spaced rollers cooperate with a common band.
  • FIG. 1 is a longitudinal, cross-sectional view, shown schematically, of an electrical switch utilizing the invention.
  • FIG. 2 is a transverse cross-sectional view taken. generally along line 2-2 in FIG. 1.
  • FIG. 3 is a transverse cross-sectional view, generally similar to FIG. 2 but disclosing a slightly modified form of the invention.
  • FIG. 4 is also a transverse, cross-sectional view generally similar to FIGS. 2 and 3, but disclosing another modification of the invention.
  • FIG. 5 is a perspective view, with portions broken away, of a preferred form of the invention disclosing a roller-band switching device including a unique frame and housing structure therefor.
  • FIG. 6 is a plan view of the roller-band device of FIG. 5.
  • FIG. 7 is a longitudinal, cross-sectional view taken generally along line 7--7 of FIG. 6.
  • FIG. 8' is a transverse cross-sectional view taken generally along line 8-8 in FIG. 7.
  • FIG. 9 is an enlarged fragmentary view disclosing in detail a contact arrangement which forms a part of this invention.
  • FIG. 10 is a bottom view, with the housing removed, of the roller-band device of FIGS. through 9.
  • FIG. 11 is a longitudinal cross-sectional view generally similar to FIG. 7 but disclosing a modified form of the invention utilizing a bimetal band as part of the device.
  • FIG. 12 is a longitudinal cross-sectional view generally similar to FIG. 7 but disclosing another modification of the invention wherein the device is constructed to opeiate as a slide wire potentiometer.
  • FIG. 13 is a top view of the device disclosed in FIG. 12.
  • FIG. 14 discloses schematically an embodiment of the invention wherein a plurality of roller-band devices utilize a common band.
  • FIG. 15 discloses schematically a band which may be used in a device as disclosed in FIG. 14.
  • FIG. 16 discloses schematically another arrangement wherein a plurality of roller-band utilize a common band.
  • FIG. 17 discloses schematically a band used in the device of FIG. 16.
  • numeral 110 generally designates a casing or housing having end walls 111 and 112, a bottom wall 113, sidewalls 114 and 115 and a cover 116.
  • a roller 117 operates within the casing and is electrically conductive or at least has conductive portions. It is encircled by a band 118 which has a tongue portion 121 and a pair of spaced leg portions I23 and 124. Leg portions 123 and 124 are spaced a distance greater than the width of tongue portion 121 so that when the band is wrapped around the roller, tongue 121 passes between the legs without touching them and extends from the roller, generally in an opposite direction from the ends of the legs.
  • a generally flat member 130 is mounted within the casing at a position spaced above bottom wall 113.
  • Member 130 has a center portion removed in order to allow the tongue and the legs of the band to extend there through to the underside of member 130.
  • the width of this opening is small enough so that the ends of roller 117 engage the upper side of it, this upper side providing guide surfaces along the opening for the roller to roll upon band 118, encircles the roller as described and the opposite ends of the band decline from the plane on which the roller moves (the top surface of member 130) and extend to the underside of member 130, and thus form an acute angle with this plane.
  • tongue 121 of the band extends through the opening to the underside of member 130 and extends downwardly'making an angle with respect to the plane defined by the upper surface of member 130.
  • legs 123 and 124 extend downwardly and form an acute angle with the plane defined by the upper surface of member 130.
  • the band is then attached by appropriate means 131 to the underside of member 130 and is maintained in tension.
  • the angles a and B are preferably identical when the roller is in a centered position and generally will be relatively small. For example, it has been found that angles of 5 or are generally sufficient to accomplish the purpose to be described for this type of device.
  • Roller 117 and band 118 are movable together, with roller 117 rolling back and forth along the top surface of member 130, in a direction normal to the axis of the roller, which direction may be termed the longitudinal direction of the device. This movement is limited by end stops 136 and 137.
  • roller 117 is electrically conductive.
  • Band 118 may also be conductive but it need not be.
  • Casing 110 and member 130 are electrically insulative.
  • An electrical conductor 132 is connected to an electrical contact surface 133 on the upper side of member 130 in an area where it will be engaged by the extending left end of roller 117 (as seen in FIG. 2) as it moves along its path of travel.
  • a similar electrical contact surface 134 is provided on the opposite side of the casing to be engaged by the other end of roller 117.
  • Contact 134 is connected to an appropriate electrical conductor 135.
  • the roller occupies a position substantially midway between its end positions. It will be appreciated that at this point there is the least tension in the band and thus the least force urging the roller down onto the surface of member 130. As the roller moves in either direction from the midpoint this force increases. Thus, if roller 117 is moved to the right, towards stop 137, the force urging it downward into engagement with member increases and at the point where the roller engages electrical contact surface 133 and 134, it is at a maximum force thereby tending to reduce the contact resistance between the roller and the contact surfaces.
  • the roller can move relatively freely but has a maximum contact pressure when it rolls into engagement with the contact surfaces.
  • the roller engages contacts 133 and 134 a circuit is completed between them.
  • this embodiment may be modified, for example, by having contact surfaces disposed at each of the end positions so that one circuit is completed in one of the end positions and circuit is completed in the other end position.
  • Band 118 may also be a part of the circuit if desired.
  • the surface or contact pressure and the variation therein as the roller moves between its midpoint and the end positions can be adjusted by varying the angles a and B and/or tension in band 118.
  • FIG. 3 discloses a structure generally similar to that disclosed in FIGS. 1 and 2 except that here roller 117 has portions and 141 at its ends which have a reduced radius from the rest of the roller. Portions 140 and 141 roll along the surface of member 130 but here this guide surface has been raised upward so that actually the plane in which the band and roller move is disposed below this surface.
  • contact surfaces 133 and 134 can be seen as engaged by portions 140 and 141, respectively.
  • the radius of the surfaces which engage these contacts is less than the rolling radius of the band and roller;
  • the velocity of the surface of portions 140 and 141 is less than that required for simple rolling along the upper guide surface and there is a skidding action, resulting in wiping between the surfaces of portions 140 and 141 and the contact surfaces 133 and 134.
  • a wiping action can also be obtained by having the guide surface lowered as it is in FIG. 4 and with the portions of roller 117 which engage this guide surface, these being designated by numerals 142 and 143, having a radius larger than the radius of the rest of the roller.
  • this radius is substantially greater than the rolling radius of the roller and band and therefore the velocity of the surface of portions 142 and 143 is greater than would result in normal rolling motion along the guide surface and this results in a wiping action with the contact surfaces also.
  • good electrical contact is further assured by this skidding or wiping action between the mating contact surfaces.
  • FIGS. 5 through 10 disclose in considerable detail a structure especially adaptable for utilizing the principles disclosed in schematic form in FIGS. 1 through 4. Referring to FIGS. 5
  • reference numeral 200 refers generally to a roller band device utilizing a single roller 201 and a single band 202 generally as described previously herein.
  • the frame on which the roller andband are mounted includes framemember 203 which includes a pairof spaced rails 205 and 206 extending longitudinally of the device and in generally spaced parallel relationship. They are connected by a pair of abutment members 207 and 208 which preferably are molded integrally with the rails.
  • Molded into rail 205 are a pair of electrical conductors 210 and 211 each of which extend all the way from beyond the ends of the device into a position nearly reaching the center of the device where they have raised electrical contactportions 213 and 214, respectively, extended upward to the surface of rail 205 where they are separated by a portion 212 of frame member 203.
  • conductors 215 and 216 are molded into rail 206 and have disposed thereon generally similar electrical contacts 217 and 218, respectively, separated by an insulative portion 220.
  • Abutment portions 207 and 208 have inwardly extending abutment surfaces 207a and 208a, respectively. These define the end or the limits of travel for roller 201 which is mounted on a second frame member 222.
  • member 222 has an inverted T-shaped cross section with the leg of the T disposed betweenthe rails 205 and 206 and with the crossbar extending outwardly so that it is disposed beneath these two rails.
  • Band 202 is mounted on the top surface of the leg of T- shaped member 222. This is accomplished by fixing it thereto by appropriate means such as rivets 223 at opposite ends thereof.
  • An appropriate enlarged bearing surface 224 acting somewhat like a washer may be utilized beneath the heads of rivets 223 at the ends of band 202.
  • the band encircles roller 201 in the manner described previously with the tongue portion extending between the spaced leg portions of the band and with opposite ends extending generally in opposite directions.
  • the leg of member 222 is somewhat shorter than theheight of the rails so that the top surface thereof is dipsosed below the top of the rails so that the ends of the band decline.
  • the device may be assembled by securely attaching one end of the band, for example, the right-hand end as seen in FIGS. 6 and 9, to member 222 and then looping the band and securing it loosely at the left-hand end.
  • the left-hand end of band 202 designated 202a, is allowed to extend beyond the end of member 222.
  • member 222 is inserted in the space between rails 205 and 206.
  • the overall width of the band is less than the space between these rails so it can easily be inserted.
  • the band is now loose and the roller may be inserted in the loop.
  • Roller 201 is longer than the space between rails 205 and 206 and therefore rests on top of these rails.
  • end 202a or band 202 is grasped by an appropriate means and pulled until the desired tension is obtained in the band. Then rivet 223, at the left-hand end of band 202 is tightened. Openings may be provided in abutment portions 207 and 208, for instance as can be seen particularly in FIG. 6, to facilitate insertion and crimping of these rivets. It will be appreciated that while rivets have been disclosed, other appropriate means may be utilized for securing the band to member 222. This may be accomplished, for example, by having an upstanding post on member 222 adjacent each end of the band and then having end 202a slotted and secure the band by heat staking, if desired.
  • frame member 222 is secured to frame member 203 by appropriate means such as screws 230 extending up from the bottom of the crossbar portion of member 222 into rails 205 and 206.
  • An adjustment is provided by the provisionof elongated slots 231, extending in a longitudinal direction, through which these screws extend. This permits adjustment of the position of the band with respect to its end positions as defined by abutment surfaces 207a and 208a.
  • the band is designed to have an internal bias, and especially when a nonuniform band (for example one with tapered legs) is used, this adjustment will vary the bias applied in various positions of the band. It will also vary the position at which the greatest contact pressure will be exerted since, as can be clearly seen in FIGS.
  • roller 201 extends outward beyond the width of the band and engage the upper surfaces of the electrical conductor members mounted on top of the rails.
  • the roller then in its right end position as disclosed in FIGS. 6, 7, and 8, for example, is in engagement with fixed contacts 214 and 218 and thus completes a circuit between electrical conductors 211 and 216. In its other end position it engages electrical contacts 213 I and 217, completing a circuit between electrical conductors 210 and 215.
  • FIG. 9 the roller is shown passing through its center position and here it engages only the electrically insulative members 212 and 220.
  • a third frame member 240 cooperates with frame members 203 and 222 to provide an enclosure for the entire device.
  • frame member 240 comprises a casing or housing which is enclosed on all but one end and which has mounting flanges 241 extending on opposite sides thereof.
  • Appropriate openings are provided so that the ends of electrical conductor members 211 and 216 may extend outward through the closed end of the casing.
  • FIG. 11 discloses an arrangement wherein the structure is substantially identical to that described in connection with the foregoing FIGS. 5 through 10 except that band 202 has been replaced by a band 250 which is constructed of bimetallic material responsive to temperature change.
  • band 250 which is constructed of bimetallic material responsive to temperature change.
  • the internal bias in the band, urging the roller and band to one direction or another will vary with temperature so that the roller and band will be moved upon a predetermined temperature change.
  • the same switching arrangement has been disclosed in Flg. 11 as was disclosed in the foregoing embodiment but it will be appreciated that various types of switching arrangements may be utilized depending upon the control function to be performed by the thermostatic switch.
  • bimetallic band 250 may be constructed so that under certain conditions the roller and band will be disposed in the position disclosed in FIG.
  • FIGS. 12 and 13 disclose still another embodiment of the invention utilizing the unique frame structure disclosed in FIGS.
  • roller does not ride on top of rails 205 and 206 but rather a shorter roller 260 has been substituted which has a length such that it can be disposed between rails 205 and 206.
  • the band and roller move directly along the upper surface of the leg of member 222 and there is no angle between the ends of the band and this surface.
  • a hollow roller 260 has been shown but this is not necessary since a solid one may also be used.
  • an insulative roller has been utilized.
  • Band 202 is conductive and one end thereof, the right-hand end as disclosed in FIG. 12, is connected to an appropriate conductor 261.
  • Band 202 and roller 260 roll along the upper surface of the leg of frame member'222 between the stops provided byv abutments207 and 208.
  • Member 222 may still be adjusted longitudinally with respect toframe member "26336 that the relative position of V the band with respect to its end stops may be adjusted;
  • any desired type of switching arrangementinaybe utilized any desired type of switching arrangementinaybe utilized.
  • the device acts like a slide wire potentiometer.
  • a conductive member 262 has been embedded in theupper surface of the leg of member 1222 in a position where it will be engaged by band 202 asit rolls between its-twoend positions. Member 262 is connected to an appropriate electrical conductor263. Now, as the roller and band move from one position toward theotherethe resistance through thecircuit between conductors 261 and263 will vary depending upon the position of the roller and band. 7 a
  • the frame and housing struc- .ture disclosed may be utilized-in numerous variations of the roller-band deviceQBy simply changing the length of the roller, the roller can be made to roll along the topof the railsor with a shorter rollerjt may roll directly upon member 222f
  • various types of switching may be utilizedand in each instancethe entire unitcan usually be sealed within the housing proyided by the third frame member 240.
  • the'housi'ng can be hermetically sealed if desired.
  • a roller-band device may also utilize a plurality of rollers operating 'with a common band.
  • FIGS. 14 and 15 disclose schematically an arrangement wherein a plurality of rollers cooperate with the band to provide a like plurality of indepenbidirectional switch by simply adding a switch means operable by each of the'rollers.
  • roller-band devices of the type described may be constructed generally similarly to the embodiments of FIGS.
  • FIGS. 16 and 17 disclose a variation of the embodiment of FIGS. 14m 15.
  • a band 400 includes two' pairs of leg portions-on opposite sidesof a long tongue portion 413.
  • leg portions 411 and412 cooperate with a portion of tongue portion 413 and encircle a roller 402 toprovide a s first roller-band device urged tow ard the center bytheband.
  • Legs 414 and 415 cooperate with-another part of tongue portion 413 and encircle a roller 403 to provide a second roller band'device, also urged toward 'the center.
  • rollers 402 and.403 are biased toward each other 'and are responsive to tions may be utilized and many other functions may be accomplished by It is not even essential that the rollers be round although this is thepreferred arrangement.
  • An internal bias in the band is referred to but an external bias, as by a spring,
  • a roller-band device of the single roller type comprising frame means, a roller, a flexible band having a width substantially greater than its thickness encircling said roller and hayingfirst and second ends extending from said roller, the roller being movable back and forth on said frame means generally in a single plane, and means connecting the ends of said band tolsaid frame means in a position thereon whereby the ends of said band decline from said plane on which the roller rolls and a each forms'anacute angle with said plane on the opposite side a a a whereby the band encircles the roller with the tongue extendforce exerted upon it by the impact;
  • the band may be I thereof from said roller, each of said acute angles being changed assaid roller moves back and forth on said frame means and each of saidacute angles being less than 20 when :said roller is in a' position suchthat the two acute anglesare equal.
  • a device of claim 1 wherein said band has complementary solid and cutaway portions comprising a pair of spaced legs in one portion and a tongue in another portion, said tongue being aligned with the space between said legs and having a width less than the width of the space between said legs,
  • the frame means includes first and second end stops defining the limits of travel of said disposed for engagement by said roller at each of its end posi- ,tions, and said frame further includes an electrically insulative surface engageable by said roller intermediate the electrical Contact surfaces at said end position.
  • a roller-band device comprising frame means, a plurality of rollers each spaced along a flexible band and being movable oppositely-acting forces and can readily be used to provide a back and forth on said frame means generally in a singular plane, a flexible band encircling each roller and having first and second portions-extending from said roller, and means connecting said portions of said band to said frame means between adjacent ones of said rollers in a position thereon, whereby said portions of said band decline from the plane on which the rollers roll and each forms an acute angle with said plane on the opposite side thereof from the roller from which it extends, whereby each of said rollers cooperates with said band independently of the others.
  • the device of claim 5 including at least two rollers, and the band being formed of a resilient material providing an internal bias urging each of said rollers in opposite directions whereby the'device provides a bi-directional force responsive roller-band device.
  • a roller-band device comprising frame means, a roller being movable back and forth on said frame means generally in a singular plane, a flexible band encircling said roller and having first and second ends extending from said roller, said frame means including first frame means providing a rolling surface for said roller and second frame means movably mounted with respect to said first frame means for generally back and forth movement .in the direction'of the movement of said roller to permit adjustment of the device, and means connecting the ends of said band to said second frame means in a position spaced below said rolling surface whereby the ends of said band decline from said rolling surface and each forms an acute angle with said rolling surface on the opposite side thereof from said roller.
  • the device of claim 8 further including third frame means comprising a housing member adapted to receive said first and second frame means therein and cooperating with said first and second frame means to substantially enclose said rollerband device.
  • a roller-band device comprising frame means including a first frame member having a pair of spaced rail portions, a second frame member movably mounted with respect to said first frame member such that said second frame member is movable in a direction generally parallel to said rail portions whereby said roller and band may be moved with said second frame member and with respect to said first frame member, said second frame member including a portion disposed between and recessed from said rail portions, a roller, a flexible band encircling said roller and having first and second ends extending from said roller, means connecting said ends of said band to said second frame member, and means for fixedly securing said second frame member with respect to said first frame member.
  • roller-band device of claim 10 wherein said roller extends generally transversely to said rail portions and is of sufficient length so that it engages each of said rail portions and is rollable therealong, said band is disposed between said rail portions, and the opposite ends of said band are connected to said second frame means in a position recessed from the plane in which said roller rolls along said rail portions and on the opposite side thereof from said roller whereby the ends of said band each form an acute angle with said plane and whereby, when said band is held in tension, it applies a downward force on said roller urging it into engagement with saidrail portions.
  • roller-band device of claim 10 including fixed contact means mounted on said first frame member and engageable by said roller, said roller being electrically conductive, and means for connecting said roller and said fixed contact means into an electrical circuit whereby said circuit is completed through said roller and said contact means in certain positions of said roller wherein it is in engagement with said contact means.
  • said first frame member further includes stop means defining first and second end positions limiting the travel of said roller, fixed contact means on said first frame member, generally onthe surface of said rail portions, and disposed for engagement by said roller in at least one of its end positions.
  • roller-band device of claim '10 wherein said roller has a length less than the distance between said rail portions and rolls directly on said second frame member between said rail portions.
  • roller-band device of claim 10 further including a third frame member comprising a housing having one open side and adapted to receive said first and second frame members and said roller and band therein, said first'frame member having a portion cooperable with said third frame member to close the'open side thereof when the rest of said roller-band device is disposed therein and to thereby-provide a substantially complete enclosure of said roller-band device.
  • the device of claim 10 further including electrical contact surface means on said frame means, and a contact portion on said roller for engagement with said contact surface, said frame means defining a longitudinal direction, said band and roller being movable together along the longitudinal direction upon their rolling together about the axis of the roller, 'the roller and band 'rollingtogether with a first radius determining their longitudinal velocity, the contact portion of the roller having .a second radius, different from said first radius, whereby the velocity of said contact portion with respect to said contact surface is greater or less than will provide simple rolling contact therebetween.
  • a roller-band device comprising: frame means including at least one guide member for guiding-a roller back and forth along a predetermined path; a roller being movable back and forth on said guide member along said path; band means for biasing said roller against said guide member including at least one flexible band member encircling said roller and having first and second ends extending from said roller, one of said frame and bias means having two of its respective members spaced laterally from each other and the other of said frame and bias means having at least one respective member extending between the laterally spaced members of said one means;
  • roller-band device of claim 21 including two guide members spaced laterally from each other and asingle flexible band member extending between said guide members.
  • roller-band device of claim 21 wherein said guide member includes electrical contact means disposed for engagement by said roller.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
US9349A 1970-02-06 1970-02-06 Roller-band device Expired - Lifetime US3643048A (en)

Applications Claiming Priority (2)

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US916270A 1970-02-06 1970-02-06
US934970A 1970-02-06 1970-02-06

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US3643048A true US3643048A (en) 1972-02-15

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US9349A Expired - Lifetime US3643048A (en) 1970-02-06 1970-02-06 Roller-band device
US9162A Expired - Lifetime US3643049A (en) 1970-02-06 1970-02-06 Roller-band device

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US (2) US3643048A (enrdf_load_stackoverflow)
DE (1) DE2106373A1 (enrdf_load_stackoverflow)
FR (1) FR2078284A5 (enrdf_load_stackoverflow)
GB (1) GB1347564A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859488A (en) * 1973-07-13 1975-01-07 W Dale Jones Point contact roller band switch
US4856172A (en) * 1988-03-18 1989-08-15 Hughes Aircraft Company Method for the strain-free mounting of optical components
US4985604A (en) * 1989-10-10 1991-01-15 Trw Technar Inc. Rolamite sensor
US5178264A (en) * 1991-06-20 1993-01-12 Trw Technar Inc. Rolamite sensor
US5462363A (en) * 1994-07-21 1995-10-31 Brinkman; Erik J. Scroller roller band device
US20120255295A1 (en) * 2009-05-07 2012-10-11 Emigh S Grant Linear roller bearing assembly and sub-assembly and reciprocating machinery incorporating the same

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812726A (en) * 1972-09-28 1974-05-28 Technar Inc Velocity responsive apparatus
US3932045A (en) * 1973-03-05 1976-01-13 Purdue Research Foundation Rolling contact joint
FR2296931A1 (fr) * 1974-12-30 1976-07-30 Secme Dispositif de commutation, notamment pour circuit imprime
US4150579A (en) * 1977-04-11 1979-04-24 Northrop Corporation Hydraulic torquer device for floated inertial platform
US4170146A (en) * 1977-08-18 1979-10-09 Micro Peripherals, Inc. Mechanism for transforming rotary motion to linear motion adapted for driving a magnetic head
US5198740A (en) * 1989-10-04 1993-03-30 University Of Utah Research Foundation Sliding contact mechanical/electrical displacement transducer
JP2599656B2 (ja) * 1991-09-18 1997-04-09 本田技研工業株式会社 車両用加速度センサ
US7115824B2 (en) * 2004-08-03 2006-10-03 Kam Chun Lo Tilt switch and system
WO2010129924A2 (en) * 2009-05-07 2010-11-11 Emigh S Grant Linear roller bearing assembly and sub-assembly and reciprocating machinery incorporating the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812410A (en) * 1930-04-11 1931-06-30 Cutler Hammer Inc Electric switch
US1935498A (en) * 1930-12-20 1933-11-14 Arrow Hart & Hegeman Electric Lever operated snap switch
US3167962A (en) * 1961-12-06 1965-02-02 Bosch Arma Corp Doubly integrating accelerometer
US3452175A (en) * 1967-05-29 1969-06-24 Atomic Energy Commission Roller-band devices
US3488098A (en) * 1968-03-26 1970-01-06 Teletype Corp Motion translating device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765454A (en) * 1952-04-17 1956-10-02 Gen Motors Corp Clip terminals
US3384850A (en) * 1966-11-14 1968-05-21 Honeywell Inc Partially rolling, partially sliding contactor for electrical slidewires
US3548138A (en) * 1968-07-18 1970-12-15 Bell Telephone Labor Inc Rolamite pushbutton switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812410A (en) * 1930-04-11 1931-06-30 Cutler Hammer Inc Electric switch
US1935498A (en) * 1930-12-20 1933-11-14 Arrow Hart & Hegeman Electric Lever operated snap switch
US3167962A (en) * 1961-12-06 1965-02-02 Bosch Arma Corp Doubly integrating accelerometer
US3452175A (en) * 1967-05-29 1969-06-24 Atomic Energy Commission Roller-band devices
US3488098A (en) * 1968-03-26 1970-01-06 Teletype Corp Motion translating device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Wilkes (I); Adamite: A New Mechanical Design Concept; Research Report SC RR 67 656A, Dec., 1967; publication of AEC; pp. 71, 89, 168, 172, 173, 194 & 195 included. *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859488A (en) * 1973-07-13 1975-01-07 W Dale Jones Point contact roller band switch
US4856172A (en) * 1988-03-18 1989-08-15 Hughes Aircraft Company Method for the strain-free mounting of optical components
US4985604A (en) * 1989-10-10 1991-01-15 Trw Technar Inc. Rolamite sensor
US5178264A (en) * 1991-06-20 1993-01-12 Trw Technar Inc. Rolamite sensor
US5462363A (en) * 1994-07-21 1995-10-31 Brinkman; Erik J. Scroller roller band device
US20120255295A1 (en) * 2009-05-07 2012-10-11 Emigh S Grant Linear roller bearing assembly and sub-assembly and reciprocating machinery incorporating the same
US8881520B2 (en) * 2009-05-07 2014-11-11 S. Grant Emigh Linear roller bearing assembly and sub-assembly and reciprocating machinery incorporating the same

Also Published As

Publication number Publication date
GB1347564A (en) 1974-02-27
DE2106373A1 (de) 1971-09-30
US3643049A (en) 1972-02-15
FR2078284A5 (enrdf_load_stackoverflow) 1971-11-05

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