US3592140A - Conveyors - Google Patents

Conveyors Download PDF

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Publication number
US3592140A
US3592140A US796101A US3592140DA US3592140A US 3592140 A US3592140 A US 3592140A US 796101 A US796101 A US 796101A US 3592140D A US3592140D A US 3592140DA US 3592140 A US3592140 A US 3592140A
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Prior art keywords
conveyor
elements
zone
high speed
carrying surface
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Expired - Lifetime
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US796101A
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English (en)
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Paul Zuppiger
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/10—Moving walkways
    • B66B21/12—Moving walkways of variable speed type

Definitions

  • Keen Attorney-Stevens, Davis, Miller and Mosher ABSTRACT Conveyor having low speed and high speed zones, and a connection zone therebetween, comprising a series of load-carrying platforms slidable one against the next to effect acceleration in the connection zone, wherein retractable means, for example a continuous deformable layer of fingers mounted at the side edge of the conveyor provides a lateral extension of the load-carrying surface of the platforms in the connection zone of which the following is a specification.
  • the invention relates to a safety device for an endless conveyor with variable speed, the conveyor providing at least two zones of loading/unloading in which it moves at a minimum speed and between which there are at least two transport zones connected to the zones of loading/unloading which are adjacent, by means of connection sections, and being formed of a series of oblong rectangular vehicles given successively transverse side-by-side movement in the areas of loading/unloading, a movement composed of a transverse movement and a longitudinal sliding one against the other in each connection section, then a longitudinal end to-end movement in the transport zones, these vehicles maintaining a constant orientation at least duringtheir passage through the connection sections and the transport zones, and the ratio between the minimum speed and the maximum speed being equal to the ratio between the width and the length of the vehicles.
  • FIG. 4 shows a view from above of a detail of a variant of certain of the means shown in FIG. 1;
  • FIG. 7 shows the two ends of one of the conveyor platforms shown in FIG. 6, in a side view in the plane containing the platform;
  • FIG. 8 shows a view from above, of the two ends of the platform of FIG. 7;
  • FIG. 11 shows the two ends of one of the conveyor platforms of FIG. 10, in a view similar to that of FIG. 7;
  • FIG. 17 shows a section taken on the line XVII-XVII in FIG. 10;
  • FIG. 18 shows a view, similar to that of FIG. 1, of part of a further conveyor according to the invention.
  • FIG. 19 shows a section on the line XIX-XIX in FIG. 18;
  • FIG. 20 shows the mutual arrangement of one of the platforms of the transporter shown in FIG. 18 with one of its side elements.
  • FIGS. 1 and 3 a conveyor for providing a continuously moving load-carrying surface is shown comprising a series of conveyor elements in the form of vehicles each one constituted by an oblong rectangular platform 1 which is provided with vertical bars 1 onto which the users of the conveyor can hold.
  • the part of the circuit followed by the conveyor, shown in FIG. 1 comprises a first low speed zone providing an loading station 4, connected to high speed transport zones 5,6 respectively by connection sections or zones 8, 7.
  • connection sections the platforms I slide against each other, transversely, and longitudinally, end-to-end.
  • Drive and support means (not shown) is provided for the platforms.
  • the device forming the object of the invention comprises retractable side elements constituted by a series of articulated fingers (12) arranged side-by-side so as to provide a continuous supporting surface, each finger comprising a train of finger elements 121 linked head to tail in caterpillar form, at the same level as the platforms 1. They preferably lie in the horizontal plane containing the platforms, and at 45 relatively to the sides of these platforms as shown in FIG. 1.
  • the juxtaposition of these articulated fingers 12 produces a belt, the edge of which permanently engages the contour 13 of variable shape of the platform.
  • Each train of finger elements 121 is located in and evolves from a guide tube 122 in which a force is exerted on it, urging it in the direction of arrow 123, and tending to maintain the first finger element 126 permanently against the variable contour 13 of the platforms 1.
  • the said force is provided by resilient means comprising a piston 124 acted upon by pneumatic pressure.
  • the guide 122 has an incurved extremity 125 (FIG. 2).
  • the extremities of the fingers can be rounded as shown in FIG. 4, or forked as shown in FIG. 5.
  • the inclination at 45 of the fingers relative to the sides of the platforms 1 has been chosen, in preference over any other inclination because it is the one that makes it possible to effect the best lateral force component produced by the platform during their sliding on the assembly of fingers. This component is shown by a pressure which is exerted on the first finger element 126 of each finger 12 and involves retraction of this in the opposite direction to the one indicated by arrow 123.
  • FIGS. 6, 7, 8 and 9 Another embodiment of the invention is shown in FIGS. 6, 7, 8 and 9 in which a conveyor otherwise similar to that of FIG. 1 comprises platforms 14 provided in the region of each end with a generally triangularly-shaped sector 141, or 142 respectively to vary the configuration of the platform.
  • Sector 141 is pivoted around an axis 141A of platform 14 and can evolve by rotation around this axis in a housing 143, between two extreme positions-shown in full lines for the first one, and the second one is dotted lines on FIG. 8corresponding to two configurations of the platform or conveyor element.
  • the triangular sector 141 is joined to the axis 141A by means of an arm 144.
  • the platforms 14 evolve (FIG.
  • the device according to this second form comprises retractable fingers 23, located between the contour 22 of variable configuration of the side edges of the platforms l4 and the fixed contours l5 and 16 of the side edges of the conveyor.
  • the fingers are each in the form of a pair of arms 231, 233, angularly inclined with respect to each other and connected together by an articulated joint for relative angular movement in a plane at right angles to the loadcarrying surface of the conveyor.
  • the extremity of arm 231 bears on to the contour 15 or the contour 16 respectively and can pivot on this contour.
  • the extremity of the other arm 233 is mounted on a roller 234 and permanently exerts pressure on the contour 22 in the direction of arrow 24.
  • These angle pieces in the shape of a compass 23 which are juxtaposed, in the connection zone 17 on either side of the platforms 14 are arranged in parallel planes perpendicular to the mean direction of displacement of the platforms in the connection zone, indicated by arrow A.
  • the angle pieces 23 which are thus juxtaposed form on either side of the vehicles two controlled surfaces, which are defonnable in proportion to the advance of the platform 14, and constituting two safety covers which bridge the space between contours 15 or 16 respective ly and the changing contour 22 of the edges of the platforms a form which allows the platforms of the vehicles, advancing in the direction of arrow A, to exert a force on the arm 233 of the angle pieces 23, the active component of which in the plane of the angle piece, is on average higher than if the said sectors did not exist.
  • These sectors also have the aim of avoiding constriction between two consecutive vehicles when these pass (Point A) from the transverse sliding to longitudinal sliding. The sectors retract progressively until they disappear completely when the vehicles are travelling in the transport zone 19.
  • the truncations 21A and 22A make it possible when the vehicles are at the start of the connection zone 17 to ensure continuity of the contour 22 between the edge of sector 141 and the large adjacent side 146 of the platform.
  • a third form of production of the safety device which is the object of the invention is put into action on the conveyor, a part ofthe circuit of which is shown in FIG. 10.
  • This conveyor is made up of a series of platforms 25 comprising a rectangular part 26 terminated at each one of its ends, by means of an upper rounded part 27 and by a lower part 28 which sheers off from this rounded part and ends in a truncation 29, as is shown in FIG. 13.
  • an arm 30 is pivoted around an axis 31 situated in the center of this rounded part 27.
  • This arm carries a rubber wiper 32 at its extremity which forms an orientable extension of the part 27 of the platform to vary the configuration thereof.
  • the angular path a of the arm 30 is limited by the angular dimension of the opening 33 in the part 27 in which this arm is housed.
  • the wiper 32 in the state of rest has an incurved profile 34. It forms one of the means of this third method of producing the safety device according to the invention.
  • the other means connected to the support on which the transporter is displaced are formed by substantially rigid arms 36 (see FIG. 17) each mounted at a side edge of the conveyor for angular and bodily movement in a generally transverse direction with respect to the mean direction of movement of the platforms in the respective portion of the connection zone of the conveyor, and sliding on two support ramps 37 and 38. Their upper parts remain permanently inside the hollow walls 39 and 40 respectively, at the side edges of the conveyor.
  • pneumatic means such as hoses 41, 42 respectively maintained under air pressure are arranged between the support 43 ofthe transporter, the arms 36 and the interior of the hollow walls 39 or 40 respectively. They exert a force permanently on these arms 36, a recoil force directed along arrow 410 or 420 respectively.
  • the base of each arm 36 is mounted on rollers 360 or on any other means which allows them to move on the support 43.
  • the operation of the safety device of FIGS. 10 to 17 is as follows.
  • the rubber wipers 32 of this platform bear against the long edge of the adjacent platform in such a way that the transporter has an undulated contour without any sharp angle, and on which the base of each arm 36 is permanently applied.
  • the rubber wipers 32, 32' of successive platforms progressing in the direction of the arrow X, bear against each other deforming progressively as shown in FIGS. 14, 15 and 16.
  • the rubber wipers 32 deform, pivoting slightly around the axis 31 of their respective platform in order finally to be like those of vehicles ofY and 2 (FIG. 10).
  • These wipers 32 not only have the role of rounding the transporter contour to provide a continuous and smooth contour for the lower extremities of the arms 36, but'also, when the vehicles go beyond the position W it makes it possible to join two successive platforms in such a way that it may be possible to pass from one to the other during their movement.
  • these rubber wipers 32 make it possible for the platforms 25 when leaving the loading station 35 to be perfectly grouted and to give the appearance ofa band having parallel edges.
  • Each arm 36 evolves in a plane which, like the one in which each component 23 of FIGS. 6 and 9 moves, and for the same reasons, is inclined at 45 to the direction of transverse sliding of the platforms 25.
  • FIGS. 6 and 10 only one connection zone is shown in the circuit which is followed by the conveyor.
  • the covers formed by inclinable arms 36 can also equally well be adapted for the conveyor shown in FIG. 6 in the same way as the articulated finger elements of FIG. 2 can be adapted to the conveyors shown in FIGS. 6 and 10, and the cover formed by the compass components 23 shown in FIG. 9 can be applied to the conveyors shown in FIG. 10.
  • FIG. 18 shows diagrammatically one part of a conveyor constituting another embodiment of the invention.
  • the vehicles of this conveyor are in the shape of rectangular platforms 55 which, when leaving a loading station 49 successively follow in the direction of arrows 56, a connection zone 54, a high speed zone 52 and, after having gone along the circuit which is not shown a transport zone 51 and then a connection section 52 in order to arrive at the entry ofa discharge station 50.
  • the platforms are brought from the unloading station 50 to the loading station 49 by appropriate means.
  • the platforms appear in the loading station 49 and disappear in the unloading station 50, respectively under the station platforms 491 and 501 respectively.
  • Vertical bars 59 are provided on each platform 55 in order to allow passengers to hold on to them.
  • the station platforms 491 and 501 are shown as a single unit in FIG. 18 and mask the platform 55 during their passage from the unloading station 50 to the loading station 49.
  • the walls 45, 46 can be joined to each other whereas the walls 44, 45 end at the entry respectively of the platform 501 and platform 491.
  • Retractable side elements in the form of trapezoidal plates 60 accompanying the platforms are provided in order to cover the space separating the contour of the platforms 55 from the walls 44, 45 or 46, 47 respectively.
  • the plates 60 only have the role of covering this space, yet they also have the function of enlarging the effective surface of the conveyor in the connection zone 53 and at the entry of the unloading station 50.
  • the separation of the walls 44, 45 for this purpose, near to the station 50 is made greater than that of the walls 46 and 47 in the corresponding area of the loading station 49.
  • the progressive increase of the effective surface has the advantage of offering passengers on the conveyor greater freedom of movement when they approach the unloading station and gives them a free exit which for psychological reasons increases safety when they are getting off.
  • the platforms 55 appear on leaving the loading station 49 extended on each of their small sides by plates 60.
  • the plates are arranged as shown in FIG. 18 and evolve on the support of the conveyor, like the platforms, by appropriate means which are not shown.
  • the right-hand plate 60A of a platform 55A engages and slides on the large rear side 55b of the platform 553 which precedes this platform 55A in the direction of movement of the transporter shown by the arrows 56.
  • the plates 60 can be completely disengaged from the platforms while the platforms go through the high speed zones 52 and 51.
  • a conveyor for providing a continuously moving loadcarrying surface including a low speed zone, a high speed zone, and a connection zone between the low speed and high speed zones, the conveyor comprising: a series of conveyor elements slidable one against the next between the side edges of the conveyor in said connection zone; drive means and support means for said conveyor elements; and a plurality of separate movable elements positioned at and in engagement with edges of the conveyor elements, said movable elements constructed and arranged to move relative to said conveyor elements on sliding of said conveyor elements to vary the configuration of the load-carrying surface.
  • a conveyor for providing a continuously moving loadcarrying surface including a low speed zone, a high speed zone, and a connection zone between the low speed and high speed zones, the conveyor comprising: a series of conveyor elements slidable one against the next between the side edges of the conveyor in the connection zone; drive means and support means for said conveyor elements; and a plurality of individually retractable fingers extending side-by-side in engagement with edges of said conveyor elements, said fingers arranged to extend and retract on sliding of said conveyor elements to provide a lateral extension of the load-carrying surface.
  • each finger of an articulated construction and comprising a train of finger elements linked head to tail.
  • a conveyor for providing a continuously moving loadcarrying surface including a low speed zone, a high speed zone, and a connection zone between the low speed and high speed zones, the conveyor comprising: a series of conveyor elements slidable one against the next between the side edges of the conveyor in said connection zone; drive means and support means for said conveyor elements; and a plurality of substantially rigid arms extending side-by-side laterally from each side of the conveyor, each arm having an inner end in engagement with an edge of a conveyor element, the arms mounted for simultaneous angular and lateral movement in a direction substantially transverse to a direction of movement of the conveyor elements.
  • a conveyor as claimed in claim 7 including pneumatic means in engagement with said arms and arranged to bias the arms into engagement with the' edges of the conveyor elements.
  • a conveyor as claimed in claim 10 said movable element comprising a generally triangularly shaped member, the shaped member mounted for angular movement between two positions in a plane parallel to the surface of the conveyor.

Landscapes

  • Escalators And Moving Walkways (AREA)
  • Chain Conveyers (AREA)
  • Intermediate Stations On Conveyors (AREA)
US796101A 1968-02-02 1969-02-03 Conveyors Expired - Lifetime US3592140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH162968A CH494661A (fr) 1968-02-02 1968-02-02 Dispositif de sécurité pour transporteur sans fin à vitesse variable

Publications (1)

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US3592140A true US3592140A (en) 1971-07-13

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US796101A Expired - Lifetime US3592140A (en) 1968-02-02 1969-02-03 Conveyors

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US (1) US3592140A (ja)
JP (1) JPS4921948B1 (ja)
CH (1) CH494661A (ja)
DE (1) DE1905175A1 (ja)
ES (1) ES363210A1 (ja)
FR (1) FR2001260A1 (ja)
GB (1) GB1260749A (ja)
NL (1) NL6901622A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799060A (en) * 1971-06-04 1974-03-26 Goodyear Tire & Rubber High speed passenger conveyor
US3844219A (en) * 1972-09-26 1974-10-29 Dunlop Ltd Platform conveyors
US3899067A (en) * 1973-03-23 1975-08-12 Mitsubishi Heavy Ind Ltd Handrails for conveyors
WO2016141058A1 (en) * 2015-03-02 2016-09-09 Yuksel Edip System of hexagonal building units and escalators or moving walkways used therein
US20180000284A1 (en) * 2016-06-29 2018-01-04 Prince Castle LLC Continuous conveyor belt for food heating device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213322C2 (de) * 1982-04-06 1987-02-26 O & K Orenstein & Koppel Ag, 1000 Berlin Rollsteig
CN107399552B (zh) * 2017-08-13 2019-03-12 河北环球科技股份有限公司 一种矿山运输带多功能转接带

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001636A (en) * 1959-01-15 1961-09-26 Delta Engineering Corp Apparatus for channeling articles
US3187152A (en) * 1962-03-19 1965-06-01 Itoya Kuaio Heating conveyor delt
US3238893A (en) * 1962-11-29 1966-03-08 Battelle Development Corp Varying speed transport apparatus, transport members and couplings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001636A (en) * 1959-01-15 1961-09-26 Delta Engineering Corp Apparatus for channeling articles
US3187152A (en) * 1962-03-19 1965-06-01 Itoya Kuaio Heating conveyor delt
US3238893A (en) * 1962-11-29 1966-03-08 Battelle Development Corp Varying speed transport apparatus, transport members and couplings

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799060A (en) * 1971-06-04 1974-03-26 Goodyear Tire & Rubber High speed passenger conveyor
US3844219A (en) * 1972-09-26 1974-10-29 Dunlop Ltd Platform conveyors
US3899067A (en) * 1973-03-23 1975-08-12 Mitsubishi Heavy Ind Ltd Handrails for conveyors
WO2016141058A1 (en) * 2015-03-02 2016-09-09 Yuksel Edip System of hexagonal building units and escalators or moving walkways used therein
US10059568B2 (en) 2015-03-02 2018-08-28 Edip Yuksel System of hexagonal building units and escalators or moving walkways used therein
US20180000284A1 (en) * 2016-06-29 2018-01-04 Prince Castle LLC Continuous conveyor belt for food heating device

Also Published As

Publication number Publication date
GB1260749A (en) 1972-01-19
FR2001260A1 (fr) 1969-09-26
JPS4921948B1 (ja) 1974-06-05
CH494661A (fr) 1970-08-15
NL6901622A (ja) 1969-08-05
DE1905175A1 (de) 1969-11-20
ES363210A1 (es) 1970-12-16

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