US3909965A - Display apparatus - Google Patents

Display apparatus Download PDF

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Publication number
US3909965A
US3909965A US450192A US45019274A US3909965A US 3909965 A US3909965 A US 3909965A US 450192 A US450192 A US 450192A US 45019274 A US45019274 A US 45019274A US 3909965 A US3909965 A US 3909965A
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US
United States
Prior art keywords
sheet
feed roller
conveyor
roller
return
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US450192A
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English (en)
Inventor
Peter Johan Torsten Tornqvist
Gustaf Shiro Gadelius
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
X PANDING PRODUCTS AB
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X PANDING PRODUCTS AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by X PANDING PRODUCTS AB filed Critical X PANDING PRODUCTS AB
Application granted granted Critical
Publication of US3909965A publication Critical patent/US3909965A/en
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Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/12—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like

Definitions

  • ABSTRACT A display apparatus for a number of flexible sheets or the like such as posters, advertisement sheets, film sheets or textiles, which are intended to be shown one after the other in a hanging position with the upper edge of each sheet attached to a moveable holder.
  • the holders are carried in a driven endless conveyor with a forward upwardly moving portion and a rear downwardly moving portion.
  • a return roller is rotatably mounted at the upper reversing point of the conveyor so that the holders with sheets can pass over this roller.
  • the driving of the conveyor is synchronized with the driving of a mechanism for raising and lowering at least one feed roller or roll situated above the return roller.
  • the feed roller is arranged to be driven at a substantially higher peripheral speed than the speed of the conveyor, and the feed roller is arranged to go into engagement with the respective sheet when the upper end of the sheet is at the upper reversing position so that the downwardly hanging portion of the sheet at the front portion of the conveyor is rapidly fed up between the feed roller and return roller and is transferred to a downwardly hanging position at the rear of the conveyor.
  • the present invention relates to a display apparatus having room for a plurality of flexible sheets or the like such as posters, advertising sheets, films with information or advertisement, textiles or the like, the apparatus being provided with a number of moveable holders in which the upper ends of the sheets are attachable, and which are arranged to move in such a way that the sheets are fed one after the other to a viewing position on the front of the apparatus.
  • the object of the invention is, with simple means, to provide such an apparatus which functions reliably and makes possible quick exchange of sheets in the viewing position with the least possible risk .of the sheets being damaged or worn to an unadmissible degree during changes. This is achieved by the apparatus which, according to the invention, has the distinguishing features disclosed in the claims which are to follow.
  • the holders are moved along an endless conveying path having a portion moving vertically upwards and a portion moving vertically downwards between two reversing points.
  • the holders move over a rotatable return roller.
  • a raisable and lowerable rotating feeding roller which, synchronously with the conveying movement, is brought to move between a neutral position and a working position, where the roller presses the upper portion of the sheet against the return roller, thereby accomplishing rapid conveyance of the sheet in the display position.
  • This sheet is thus fed quickly over to the rear portion of the conveying path, where the sheet is bent over the holder and assumes a position hanging downward from it.
  • the underlying sheet is thereby freed and takes up its display position.
  • FIG. 1 is a schematic broken perspective view of the apparatus according to the invention mounted in a housing having a display opening in the front side of the housing.
  • FIG. 2 is a side view of certain essential details in the apparatus, during operation of the apparatus
  • FIG. 3 is a schematic perspective view of a detail which is a part of the holders hanging up the sheet and which is connected to chains forming the endless coveyor,
  • FIG. 4 is a detail view of the conveyor chain drive
  • FIG. 5 is a view seen from the front of the apparatus in FIG. 1 without the housing and with a driving mechanism which is modified in relation to the one shown in FIG. 1,
  • FIG. 6 shows a detail view, partly in section, of the feed rollers and their mounting
  • FIG. 7 is an end view of the arrangement in FIG. 6,
  • FIG. 8 is a view seen from the front of the housing itself as in FIG. 1, and
  • FIG. 9 is a section through the housing along line 9-9 in FIG. 8.
  • the apparatus shown consists of a separate unit which is removcably placed in the housing in FIG. 1.
  • the parts of the apparatus are carried in a U-shaped frame plate 10 having a rear wall 11 and end walls 12,13.
  • the housing has side walls 14,15, a rear wall 16 and a front 17. In the front a display opening 18 has been taken up. On the inside of the side walls 14,15 there are devices, not shown in detail, carrying the frame plate 10 of the apparatus in such a way that the frame plate 10 can easily be hooked off and lifted out of the opening 18.
  • an upper shaft 19 is mounted between the end walls 12,13.
  • a bushing 22 is further attached for a shaft 23 described below.
  • a pair of upper chain wheels 24 and 25 are attached on intermediate shaft 20 in the vicinity of end walls 12,13. Below these chain wheels a pair of lower chain wheels 26,27 are rotatably mounted on the lower shaft 21. Two endless conveying chains 28,29 are taken round said chain wheels. Together, these conveying chains form the endless conveyor for the apparatus and are driven in the direction indicated by the arrow 31, ie so that the forward part of the chains moves up wards while the rear part moves downwards.
  • An electric motor 32 attached to rear wall 11 is provided for driving the parts of the apparatus.
  • An endless toothed belt 33 is placed around a pinion on the driving shaft of motor 32 and around a pinion 34 rotatably mounted on the upper shaft 19 and having a smaller pinion 35 attached on one side.
  • the smaller pinion 35 drives two endless toothed belts 36,37.
  • a holder consisting of two arms 38a, 38]) carrying a shaft 39 rotatable relative to arms 38a,38b and carrying a number of feeding rollers 40 made from rubber or similar resilient material is pivotably mounted on the upper shaft 19.
  • a pinion 41 around which the toothed belt 36 is arranged so that the feeding rollers 40 obtain comparatively quick rotation from the electric motor 32, is also attached to the shaft 39.
  • a pinion 42 is attached which is driven by the belt 37.
  • the shaft 23 is provided with an excenter device 43 connected with a linkage arm 44 so that this executes a reciprocating movement when the shaft 23 rotates.
  • the linkage arm 44 is adjustably connected with a radial arm 45 which, via a free wheel or a one-way coupling 46 is connected with the intermediate shaft 20 so that the reciprocating angular movement of the arm 45 causes step-wise turning of intermediate shaft 20 and thereby step-wise forward feed of conveyor chains 28,29.
  • the end of the linkage arm can be connected to arm 45 in different notches on the latter to achieve different feeding movements and thereby speed setting for chains 28,29.
  • the chains 28,29 are provided with a plurality of inwardly directed bushings 47 lying evenly distributed along the chains and in such a way that they lie opposite each other on either chain so that associated pairs of bushings 47 will lie on a line at'right angles to the chains.
  • Associated pairs of bushings each carry a U-shaped stirrup 48 consisting of a light shaft extending between the chains and forming the middle portion of the stirrup which is bent up at the ends to form the shanks of the stirrup in the shape of radial cranks 49 bent in their turn at their ends to form journals 50 inserted in bushings 47.
  • This stirrup forms a holder for a strip 51, or straight edge, consisting of a U-rail hung on the middle portion of the stirrup 48.
  • the strip 51 has a certain width which is utilized in a way seen below.
  • the electric motor 32 works continuously and thereby moves the conveying chains 28,29 with a relatively low speed so that the holders or strips 51 with sheets 52 move round the conveying path with a speed allowing advertising text or the like on the sheets to be viewed for the desired period of time when the sheet is in the display position in the opening 18. This period is determined by the connection of linkage arm 44 to the arm 45, i.e. the feeding speed which has been set.
  • a return roller 53 is freely rotatably mounted on the intermediate axle 39.
  • An operational stage slightly beyond that now described is shown in FIG. 2.
  • FIG. 2 should be referred to for the structural features now described.
  • the strip 51 ofa sheet has reached roller 53, as shown in FIG. 2, the strip 51 will at a certain moment be lying on the return roller 53 in an area forming the contact area for the feeding rollers, when these are swung down to their lower working position.
  • the feed ing rollers 40 are shown in their working position in FIG. 2 but can be swung up from this position to a neutral position.
  • the shaft 19, on which arms 38a,38b are attached is provided with an arm 54 carrying a cam follower 55.
  • This cam follower coacts with a cam 56 attached to the intermediate shaft 39 and the cam is designed to coact with the cam follower 55 in such a way that the feeding rollers 40 periodically carry out an upward and downward movement, remaining in their working position to carry out quick feeding of a sheet 52 as described below.
  • the strip 51 passing between rollers 40 and roller 53 will perform a swinging movement about journals 50 while arms 49 swing, and thereafter it will assume the position shown in FIG. 2. If special means were not arranged, an approaching strip 51 would lie on the return roller 53 and could cause the roller to rub against the strip. In practice this could cause a squeaking sound which is not desirable.
  • the wire supports have an upper end 59 so arranged that the strip 51 in FIG. 2 will fall against this support and be kept free from the return roller 53.
  • the supports 58 extend downwards and have end portions 60 preventing strips from coming in the wrong position between the chains.
  • the modified apparatus shown in FIG. 5 differs from the one described above only in as far as the electric motor 61 has two drive take-offs 62 and 63 on either side of the motor.
  • the takeoff 63 is connected to a reduction gear 64 to reduce driving speed of a chain wheel 65 which is connected by chain 66 to a chain wheel 67 on the intermediate shaft 39 for the upper chain wheels 12,24 for conveying chains 28,29.
  • the conveyor speed can only be altered by exchanging chain wheels 65,67 for other chain wheels to obtain a different speed.
  • the apparatus in FIG. 5 corresponds to the apparatus in FIG. 1.
  • Display apparatus for a number of flexible sheets intended to be displayed sequentially and with the sheets vertically suspended, comprising:
  • each sheet being attached to a respective holder
  • a vertically oriented endless conveyor means having a forward facing, upwardly moving side, and a rearward facing downwardly moving side; an upper return portion near the top of said conveyor means, over which said upper return portion the sheets and their said holders pass; a lower return portion near the bottom of said conveyor means; means for moving said conveyor means, and hence said sheet at a first rate;
  • each said holder extending across and being supported on said conveyor means and said holders being spaced apart around said conveyor means;
  • sheet feed roller means means supporting said sheet feed roller means in opposed relationship to said upper return portion and outside the pathway of said conveyor means for sequential engagement .with each said sheet;
  • shifting means providing intermittent contact between said sheet feed roller means and said upper return portion, when shifted toward said upper return portion, said feed roller being shaped, adapted and positioned to trap a sheet between said feed roller and said upper return portion;
  • said upper return portion comprises a return roller; said return roller being journaled to said apparatus to roll as said return roller is engaged by a sheet moving past it; said return roller being separately rotatably journaled at the top of said conveyor means and being rotatable when said conveyor means is stationary.
  • Apparatus according to claim 2 further comprising sheet holder guide supports next to said upper return roller and extending, with respect to said conveyor means, rearwardly of and slightly upwardly of said upper return roller and being located rearwardly of the engagement between said sheet feed roller means and said upper return roller, thereby to glidingly support said sheet holders when they have passed over said upper return roller and have moved downwardly toward said lower return portion of said conveyor means.
  • said conveyor means is comprised of two endless chains which are separated from each other sidewise and are coaxial; two upper chain wheels and two lower chain wheels; each said chain is arranged to pass about a respective upper chain wheel, and a respective spaced away lower chain wheel, arranged vertically below the respective said upper chain wheel.
  • said feed roller shifting means comprises: said upper chain wheels being carried on and rotatable with an upper chain wheel support shaft; a cam attached to said upper chain wheel support shaft to be rotatable therewith; a cam follower attached to said feed roller and being in engagement with said cam to shift said feed roller due to the profile of said cam; said cam being profiled to cause shifting of said feed roller in the described said synchronism with motion of the strips and of said conveyor.
  • said upper return portion comprises a return roller; said return roller being journaled to said apparatus to roll as said return roller is engaged by a sheet moving past it; said return roller being separately and independently rotatably journaled mounted coaxially with said upper chain wheel support shaft at the top of said conveyor means and being journaled to be rotatable when said conveyor means is stationary.
  • each said sheet holder comprises a strip holding the upper edge of its respective sheet; each end of each said strip is supported by a shaft extending away therefrom, which said shaft is shaped in the form of a crank, with said cranks of each said strip being alignable and the ends of those said cranks extending outwardly of the sheet; a plurality of aligned pairs of crank end journals, one each of each said crank end journal pair being on a respective said conveyor chain and said crank ends being journaled for support and for pivoting about the respective said crank end journal.
  • said conveyor moving means comprises a crank; a one-way rotational motion coupling connecting said crank to one of said chain wheels, such that two-directional reciprocating motion of said crank becomes uni-directional stepwise motion of said chain wheels and said conveyor means;

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Advancing Webs (AREA)
US450192A 1973-03-14 1974-03-11 Display apparatus Expired - Lifetime US3909965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7303560A SE386755B (sv) 1973-03-14 1973-03-14 Visningsapparat med frammatningsanordning for ett flertal ark eller blad

Publications (1)

Publication Number Publication Date
US3909965A true US3909965A (en) 1975-10-07

Family

ID=20316908

Family Applications (1)

Application Number Title Priority Date Filing Date
US450192A Expired - Lifetime US3909965A (en) 1973-03-14 1974-03-11 Display apparatus

Country Status (11)

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US (1) US3909965A (sv)
JP (1) JPS49128699A (sv)
AU (1) AU6651374A (sv)
BE (1) BE812263A (sv)
CH (1) CH564241A5 (sv)
DE (1) DE2411331A1 (sv)
FR (1) FR2221774B3 (sv)
GB (1) GB1452401A (sv)
IT (1) IT1009703B (sv)
NL (1) NL7403463A (sv)
SE (1) SE386755B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011142A1 (en) * 1988-05-13 1989-11-16 Eytan Schnapp Display apparatus

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165075B (en) * 1984-09-06 1988-05-18 Allander Construction Limited Information display unit
US4928413A (en) * 1988-06-09 1990-05-29 Rapid Mounting & Finishing Company Display device
JPH0223390A (ja) * 1988-07-12 1990-01-25 Tokyo Tatsuno Co Ltd 広告装置
JP2609469B2 (ja) * 1988-12-31 1997-05-14 協同組合ファーストテクノ岐阜 ポスター循環掲示装置
JP2809310B2 (ja) * 1988-12-31 1998-10-08 協同組合 ファーストテクノ岐阜 ポスター循環掲示装置
FR2674359A1 (fr) * 1991-03-21 1992-09-25 Pisoni Jean Pierre Systeme d'affichage reconstitue, tendu et ses moyens de mise en óoeuvre.
JPH0760296B2 (ja) * 1991-06-28 1995-06-28 東海理研株式会社 連続掲示装置
JPH0594143A (ja) * 1991-06-28 1993-04-16 Tokai Riken Kk 連続掲示装置
SE505013C2 (sv) * 1996-02-27 1997-06-09 Toernqvist Peter J T Anordning för att växla affischer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1045221A (en) * 1911-01-11 1912-11-26 William M Turner Advertising device.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1045221A (en) * 1911-01-11 1912-11-26 William M Turner Advertising device.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011142A1 (en) * 1988-05-13 1989-11-16 Eytan Schnapp Display apparatus
GR890100319A (el) * 1988-05-13 1990-03-12 Eytan Schnapp Συσκευη επιδειξεως διαφημιστικων αφισσων.

Also Published As

Publication number Publication date
JPS49128699A (sv) 1974-12-10
IT1009703B (it) 1976-12-20
FR2221774A1 (sv) 1974-10-11
FR2221774B3 (sv) 1976-12-24
DE2411331A1 (de) 1974-09-19
AU6651374A (en) 1975-09-11
CH564241A5 (sv) 1975-07-15
NL7403463A (sv) 1974-09-17
GB1452401A (en) 1976-10-13
SE386755B (sv) 1976-08-16
BE812263A (fr) 1974-07-01

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