SE1050234A1 - Display means with removable cassette - Google Patents

Description

25 30 2 presented in US 6, 571, 496. For end users it is easier to operate the cassette and therefore to make use of a replacement system.

A further advantage in this context is achieved if the fastening means is in the form of holders arranged essentially perpendicular in relation to the Iengthwise direction of the aperture, and the cassette when inserted into the holding means, and if the holding means also comprises lock tabs adapted to cooperate with the holders in fastening the cassette in the holding means.

Furthermore, it is an advantage in this context if the holders at least in part have a shape complementary to the shape of a part of the cassette.

A further advantage in this context is achieved if the cassette has a cylindrical shape.

Furthermore, it is an advantage in this context if each of the holders at a first end is secured to the holding means via a hinge means, and at a second end cooperates with the lock tabs in fastening the cassette in the holding means.

A further advantage in this context is achieved if each display means comprises two holders.

Furthermore, it is an advantage in this context if each display means also comprises two end caps arranged perpendicular in relation to the length of the holding means, and each covering an end side of the holding means.

A further advantage in this context is achieved if at least one of the end caps functions as the fastening means in that it is a removable end cap adapted to partly cover the cassette inserted into the holding means, when the end cap is arranged on the end page.

Furthermore, it is an advantage in this context if the removable end cap is arranged on, and removed from the end side by means of snapjoint means arranged on the holding means.

According to another embodiment it is an advantage if the removable end cap is arranged on, and removed from the end side by means of bayonet joint means arranged on the holding means.

According to yet another embodiment it is an advantage if each fastening means is in the form of a band adapted to strap the cassette into the holding meanS. 20 25 30 3 A further advantage in this context is achieved if the band is fastened to the holding means by means of a turning knob.

According to another embodiment it is an advantage if the band is fastened to the holding means by means of Ve | cro® tape.

Furthermore, it is an advantage in this context if the cassette also comprises two end caps arranged perpendicular in relation to the Iengthwise direction of the cassette, and each covering an end side of the cassette.

A further advantage in this context is achieved if the fastening means is in the form of a lock plunger means provided on at least one of the end caps, and an actuator means operable to actuate the lock plunger means between a first, inactive state, wherein the lock plunger means is in line with the end cap, and a second, active state, where the lock plunger means protrudes from the end cap, and fits in a recess provided in the end cap.

According to another embodiment it is an advantage if the fastening means is in the form of a lock plunger means provided on at least one end cap, and an actuator means operable to actuate the lock plunger means between a first, inactive state, where the lock plunger means is in line with the end cap, and a second, active state, where the lock plunger means protrudes from the end cap, and fits in a recess provided in the end cap of the cassette.

According to yet another embodiment it is an advantage if the fastening means is in the form of an L shaped slot provided on at least one of the end caps of the cassette, and a protrusion means provided on the end cap, and facing towards the aperture in the holding means, where the protrusion means fits in the L shaped slot.

According to another embodiment it is an advantage if the fastening means is in the form of an L shaped slot provided on at least one of the end caps, and facing towards the aperture in the holding means, and a protrusion means provided on at least one of the end caps of the cassette, where the protrusion means fits in the L shaped slot.

According to yet another embodiment it is an advantage if the fastening means is in the form of a spring biased lock plunger means provided on the end cap, and facing towards the aperture in the holding means, and recess provided in the end cap of the cassette , where the spring biased lock plunger means is operable to fit in the recess when the lock plunger means being released. 20 25 30 4 According to another embodiment it is an advantage if the fastening means is in the form of a spring biased lock plunger means provided on the end cap of the cassette, and a recess provided in the end cap, and facing towards the aperture in the holding means, where the spring biased lock plunger means is operabie to fit in the recess when the lock plunger means being released. lt will be noted that the term “comprises / comprising” as used in this description is intended to denote the presence of a given characteristic, step, or component, without excluding the presence of one or more other characteristic, features, integers, steps, components or groups thereof.

Embodiments of the invention will now be described with a reference to the accompanying drawings, in which: Brief description of the drawings Fig. 1 illustrates assembly sequences A-G, applicable to a known display means; Fig. 2 is a side view of a display means 1 according to the present invention; Fig. 3 is a perspective view of a display means 1 according to the present invention; Fig. 4 is a perspective view of some parts of a display means 1 according to the present invention; Fig. 5 is a perspective view of a first embodiment of the display means 1 according to the present invention; Fig. 6 is a perspective view of the first embodiment disclosed in Fig. 5; Fig. 7 is a side view of a second embodiment of the display means 1 according to the present invention; Fig. 8 is a side view of a third embodiment of the display means 1 according to the present invention; Fig. 9 discloses two side views of a fourth embodiment of the display means 1 according to the present invention; Fig. 10 is a side view of a fifth embodiment of the display means 1 according to the present invention; Fig. 11 is a perspective view of a sixth embodiment of the display means 1 according to the present invention; Fig. 12 is a perspective view of a seventh embodiment of the display means according to the present invention; Fig. 13 is a side view of an eighth embodiment of the display means 1 according to the present invention; Fig. 14 is a side view of a ninth embodiment of the display means 1 according to the present invention; Fig. 15 is a perspective view of a tenth embodiment of the display means 1 according to the present invention; Fig. 16 is a perspective view of an eleventh embodiment of the display means 1 according to the present invention; and Fig. 17 is a side view illustrating both a twelfth and a thirteenth embodiment of the display means 1 according to the present invention.

Detailed description of preferred embodiments ln Fig. 1 there is disclosed a more or less complete assembly sequence with the aid of individual assembly steps referenced AG of a display means 1, this assembly sequence or erection sequence also being applicable to the display means 1 according to the present invention.

According to step A, the display means 1 comprises a stand 10, which in a fully erected state (steps F, G) firmly supports a screen 20, where the stand 10 comprises a first side 111 which supports against an underlying supportive surface U ( step D), and further includes a foldable part 12 which, when the stand 10 is erected, extends upwardly from the first side 111.

One upwardly extending end part 12a of the second part 12 (step E) has a first coupling element 31 included in a two-part coupling arrangement 30, wherewith the other coupling element 32 of the coupling arrangement is joined to the screen 20 either directly or indirectly, and oriented in connection with the upper edge part 20a of the screen 20.

The screen 20 can be wound onto and unwound from a bobbin 40 enclosed in a cavity (not shown) located in the first part 11, where the bobbin 40 can be actuated by a spring arrangement 52 that includes an associated spring unit.

The spring arrangement 52 is designed to act on the screen 20 with a decreasing force during a screen wind-up phase (the steps from F to E) with the 20 25 30 6 aid of a spring unit consisting of helically twisted or wound metal wire , wherewith the screen 20 is acted upon at an increasing force during an unwinding phase (the steps from E to F).

The spring arrangement 52 is also adapted to act on the screen 20 with a chosen initial power when the screen 20 has been fully wound around the bobbin 40 (in accordance with step D).

The first part 11 includes a slot 11e through which the screen 20 passes as to be unwound from or wound onto the bobbin 40 present in the cavity. In Fig. 2 there is disclosed a side view of a display means 1 according to the present invention. The display means 1 comprises a stand 10 adapted to display a screen 20. The stand 10 comprises a holding means 11 with a first side 111 adapted to support against an underlying supportive surface (u). The display means 1 also comprises a cassette 50 comprising a bobbin 40 (not disclosed in Fig. 2) enclosed in a cavity in the cassette 50. The screen 20 can be wound onto and withdrawn from the bobbin 40. Furthermore, the display means 1 also comprises a pole means 12 operable to secure the screen 20 when it is at least partly withdrawn from the bobbin 40. ln Fig. 3 there is disclosed a perspective view of the display means 1 according to the present invention. The same elements in both Fig. 2 and 3 are designated with the same reference signs and will not be described again. As is apparent in Fig. 3 the holding means 11 has two end sides 112. In Fig. 4 there is disclosed a perspective view of some parts of the display means 1 according to the present invention. ln this figure the screen 20 has been withdrawn from the bobbin 40 (not disclosed) in the cassette 50. As is apparent in Fig. 4 the cassette 50 also comprises two end caps 54 arranged perpendicular in relation to the lengthwise direction of the cassette 50 , and each covering an end side 501 of the cassette 50. ln Fig. 5 there is disclosed a perspective view of a first embodiment of the display means 1 according to the present invention. Here the display means 1 is disclosed with the holding means 11 upside down, ie ready to change the cassette 50. lt is also possible to see the aperture 13 in the first page 111 of the holding means 11. As is indicated with the arrow B in Fig. 5, the cassette 50 is to be inserted into the holding means 11 via the aperture 13. ln this particular embodiment, the fastening means 14, there are disclosed two, are in the form of 20 25 30 7 holders 141 arranged essentially perpendicular in relation to the Iengthwise direction of the aperture 13, and lock tabs 241 arranged at the holding means 11.

As is apparent in Fig. 5, each of the holders 141 is at a first end secured to the holding means 11 via a hinge means 341, meaning that the holders 141 can be arranged in a first, open state, as indicated in Fig. 5, where it is possible to change the cassette 50. ln Fig. 6 there is disclosed a perspective view of the first embodiment disclosed in Fig. 5. Here the cassette 50 has been changed and inserted into the holding means 11. Furthermore, the holders 141 have been arranged in a second, locked state, where the holders 141 have been pivoted, indicated with the arrows in Fig. 6, and locked by the lock tabs 241. As also is apparent in Fig. 5, and 6, the holders 141 have at least in part a shape complementary to the shape of a part of the cassette 50. ln this particular embodiment the cassette 50 has a cylindrical shape. Furthermore, the display means 1 also comprises two end caps 16, each covering an end side 112 (see Fig. 7) of the holding means 11. ln Fig. 7 there is disclosed a side view ofa second embodiment of the display means 1 according to the present invention. Here the display means 1 is disclosed with the holding means 11 upside down, i.e. the first page 111 of the holding means 11 is disclosed. As is apparent in Fig. 7, the cassette 50 is inserted into the holding means 11. ln this particular embodiment, at least one of the end caps 16 (see Fig. 5, and 6) functions as the fastening means 14 in that it is a removable end cap 142 adapted to partly cover the cassette 50 inserted into the holding means 11, when the end cap 142 is arranged on the end side 112 of the holding means 11. The arrow disclosed in Fig. 7 indicates how the end cap 142 is removed when the cassette 50 is to be changed. In Fig. 8 there is disclosed a side view of a third embodiment of the display means 1 according to the present invention. ln this particular embodiment, the fastening means 14 is a removable end cap 142. The end cap 142 is arranged on, and removed from the end side 112 of the holding means 11 by means of snap joint means 242, 500. As is apparent in Fig. 8, the snap joint means 242, 500 comprises a snap joint means 242 of female type arranged on the holding means 11, and a snap joint means 500 of male type arranged on the end cap 142. As is apparent in Fig. 8 , the two snap joint means 242, 500 are mating each other, and the end cap 142 is adapted to partly cover the cassette 50 inserted into the holding 20 25 30 8 means 11, when the end cap 142 is arranged on the end side 112 of the holding means 11. ln Fig. 9 there are disclosed two side views of a fourth embodiment of the display means 1 according to the present invention. ln this particular embodiment, the fastening means 14 is a removable end cap 142. The end cap 142 is arranged on, and removed from the end side 112 of the holding means 11 by means of bayonet joint means 342, 502. As is apparent in Fig. 9, is one part 342 of the bayonet joint means 342, 502 arranged on the holding means 11, and the other part 502 of the bayonet joint means 342, 502 is arranged on the end cap 142. As indicated in Fig. 9 , is the locking of the cassette 50 with the end cap 142 an operation with two steps. First, the end cap 142 is placed on the holding means 11, see the left side of Fig. 9. Thereafter, the end cap 142 is turned, see the right side of Fig. 9 and the arrow, so that the bayonet joint means 342, 502 are locking each other. In Fig. 10 there is disclosed a side view of a fifth embodiment of the display means 1 according to the present invention. Here the display means 1 is disclosed with the holding means 11 upside down, i.e. the first page 111 of the holding means 11 is disclosed. As is apparent in Fig. 10, the cassette 50 is inserted into the holding means 11. ln this particular embodiment, the fastening means 14 is in the form of a band 143 adapted to strap the cassette 50 in the holding means 11.Although it is only disclosed one band 143 in Fig. 10, it is pointed out that it is possible to have several bands 143. ln Fig. 11 there is disclosed a perspective view of a sixth embodiment of the display means 1 according to the present invention. ln this particular embodiment, the fastening means 14 is in the form of a band 143, and the band 143 is fastened to the holding means 11 by means of a turning knob 243 arranged on the first side 111 of the holding means 11. Furthermore, each band 143 is provided with a slot 504 arranged to fit the turning knob 243. ln Fig. 12 there is disclosed a perspective view of a seventh embodiment of the display means 1 according to the present invention. In this particular embodiment, the fastening means 14 is in the form of a band 143, and the band 143 is fastened to the holding means 11 by means of tape 343 or so called Velcro® type. As is apparent in Fig. 12, the tape 343 is arranged at the first side 11 of the holding means 11, and at the band 143. 20 25 30 9 ln Fig. 13 there is disclosed a side view of an eighth embodiment of the display means 1 according to the present invention. ln this particular embodiment, each fastening means 14 is in the form ofa lock plunger means 145 provided on the end cap 54 of the cassette 50, and an actuator means 245. The actuator means 245 is operable to actuate the lock plunger means 145 between a first, inactive state (not disclosed in Fig. 13), where the lock plunger means 145 is in line with the end cap 54, and a second, active state (disclosed in Fig. 13), where the lock plunger means 145 protrudes from the end cap 54, and fits in a recess 345 provided in the end cap 16. ln Fig. 14 there is disclosed a side view of a ninth embodiment of the display means 1 according to the present invention. ln this particular embodiment, each fastening means 14 is in the form of a lock plunger means 146 provide on the end cap 16, and an actuator means 246. The actuator means 246 is operable to actuate the lock plunger means 146 between a first, inactive state (not disclosed in Fig. 14), where the lock plunger means 146 is in line with the end cap 16, and a second, active state (disclosed in Fig. 14), where the lock plunger means 146 protrudes from the end cap 16, and fits in a recess 346 provided in the end cap 54 of the cassette 50. ln Fig. 15 there is disclosed a perspective view of a tenth embodiment of the display means 1 according to the present invention. ln this particular embodiment, the fastening means 14 is in the form of an L shaped slot 147 provided on the end cap 54 of the cassette 50, and a protrusion means 247 provided on the end cap 16, and facing towards the aperture 13 in the holding means 11. The protrusion means 247 fits in the L shaped slot 147, and the cassette 50 being turned and moved so that the protrusion means 247 stops at the end of the L shaped slot 147. ln Fig. 16 there is disclosed a perspective view of an eleventh embodiment of the display means 1 according to the present invention. ln this particular embodiment, the fastening means 14 is in the form of an L shaped slot 148 provided on the end cap 16, and facing towards the aperture 13 in the holding means 11, and a protrusion means 248 provided on the end cap 54 of the cassette 50. The protrusion means 248 fits in the L shaped slot 148, and the cassette 50 being turned and moved so that the protrusion means 248 stops at the end of the L shaped slot 148. 10 ln Fig. 17 there is disclosed a side view illustrating both a twelfth and a thirteenth embodiment of the display means 1 according to the present invention. ln the twelfth embodiment, the fastening means 14 is in the form of a spring biased lock plunger means 149 provided on the end cap 16, and facing towards the aperture 13 in the holding means 11, and a recess 249 provided in the end cap 54 of the cassette 50. When the spring biased lock plunger means 149 being released, it is operable to fit in the recess 249, locking the cassette 50 in place. In the thirteenth embodiment, the fastening means 14 is in the form of a spring biased lock plunger means 150 provided on the end cap 54 of the cassette 50, and a recess 250 provided in the end cap 16, and facing towards the aperture 13 in the holding means 11. When the spring biased lock plunger means 150 being released, it is operable to fit in the recess 250, locking the cassette 50 in place.

The invention is not limited to the described embodiments. lt will be evident for those skilled in the art that many different modifications are feasible within the scope of the following Claims.

Claims (20)

10 20 25 30 11 CLAIMS 1. A display means (1) comprising a stand (10) adapted to display a screen (20), wherein said stand (10) comprises a holding means (11) with a first side (11 1) adapted to support against an underlying supportive surface (u), wherein said display means (1) also comprises a cassette (50) comprising a bobbin (40) enclosed in a cavity in said cassette (50), wherein said screen (20) can be wound onto and withdrawn from said bobbin (40), characterized in that said cassette (50) being adapted to be inserted into and removed from said holding means (11) via an aperture (13) in said first side (111), and in that said holding means ( 11) also comprises at least one fastening means (14) adapted to fasten said cassette (50) in said holding means (11) when inserted into said holding means (11). 2. A display means (1) according to Claim 1, characterized in that said fastening means (14) is in the form of holders (141) arranged essentially perpendicular in relation to the lengthwise direction of said aperture (13), and said cassette (50) when inserted into said holding means (11), and in that said holding means (11) also comprises lock tabs (241) adapted to cooperate with said holders (141) in fastening said cassette (50) in said holding means ( 11). 3. A display means (1) according to Claim 2, characterized in that said holders (141) at least in part have a shape complementary to the shape of a part of said cassette (50). 4. A display means (1) according to Claim 3, characterized in that said cassette (50) has a cylindrical shape. 5. A display means (1) according to any one of Claims 2-4, characterized in that each of said holders (141) at a first end is secured to said holding means (11) via a hinge means (341), and at a second end cooperate with said lock tabs (241) in fastening said cassette (50) in said holding means (11). 6. A display means (1) according to any one of Claims 2-5, characterized in that each display means (1) comprises two holders (141). 20 25 30 12 7. A display means (1) according to any one of Claims 1-6, characterized in that each display means (1) also comprises two end caps (16) arranged perpendicular in relation to the lengthwise direction of said holding means (11) , and each covering an end side (1 12) of said holding means (11). 8. A display means (1) according to Claim 7, characterized in that at least one of said end caps (16) functions as said fastening means (14) in that it is a removable end cap (142) adapted to partly cover said cassette (50) inserted into said holding means (11), when said end cap (142) is arranged on said end side (112). 9. A display means (1) according to Claim 8, characterized in that said removable end cap (142) is arranged on, and removed from said end side (112) by means of snap joint means (242) arranged on said holding means (11). 10. removable end cap (142) is arranged on, and removed from said end side (112) by A display means (1) according to Claim 8, characterized in that said means of bayonetjoint means (342) arranged on said holding means ( 11). 11. fastening means (14) is in the form of a band (143) adapted to strap said cassette A display means (1) according to Claim 1, characterized in that each (50) into said holding means (11). 12. band (143) is fastened to said holding means (11) by means ofa turning knob (243). A display means (1) according to Claim 11, characterized in that said 13. band (143) is fastened to said holding means (11) by means of Velcro® tape (343). A display means (1) according to Claim 11, characterized in that said 14. A display means (1) according to any one of Claims 1-13, characterized in that said cassette (50) also comprises two end caps (54) arranged 20 25 30 13 perpendicular in relation to the lengthwise direction of said cassette ( 50), and each covering an end side (501) of said cassette (50). 15. fastening means (14) is in the form of a lock plunger means (145) provided on at A display means (1) according to Claim 14, characterized in that said at least one of said end caps (54), and an actuator means (245) operable to actuate said lock plunger means (145) between a first, inactive state, wherein said lock plunger means (145) is in line with said end cap (54), and a second, active state, where said lock plunger means (145) protrudes from said end cap (54), and fits in a recess (345) provided in said end cap (16). 16. fastening means (14) is in the form of a lock plunger means (146) provided on at A display means (1) according to Claim 14, characterized in that said at least one end cap (16), and an actuator means ( 246) operable to actuate said lock plunger means (146) between a first, inactive state, wherein said lock plunger means (146) is in line with said end cap (16), and a second, active state, where said lock plunger means (146) protrudes from said end cap (16), and fits in a recess (346) provided in said end cap (54) of said cassette (50). 17. fastening means (14) is in the form of an L shaped slot (147) provided on at least A display means (1) according to Claim 14, characterized in that said one of said end caps (54) of said cassette ( 50), and a protrusion means (247) provided on said end cap (16), and facing towards said aperture (13) in said holding means (11), wherein said protrusion means (247) fits in said L shaped slot (147 ). 18. fastening means (14) is in the form of an L shaped slot (148) provided on at least A display means (1) according to Claim 14, characterized in that said one of said end caps (16), and facing towards said aperture (13) in said holding means (11), and a protrusion means (248) provided on at least one of said end caps (54) of said cassette (50), where said protrusion means (248) fits in said L shaped slot (148). 14 19. A display means (1) according to Claim 14, characterized in that said fastening means (14) is in the form of a spring biased lock plunger means (149) provided on said end cap (16), and facing towards said aperture (13) in said holding means (11), and a recess (249) provided in said end cap (54) of said cassette (50), wherein said spring biased lock plunger means (149) is operable to fit in said recess ( 249) when said lock plunger means (149) being released. 20. A display means (1) according to Claim 14, characterized in that said fastening means (14) is in the form of a spring biased lock plunger means (150) provided on said end cap (54) of said cassette (50) , and a recess (250) provided in said end cap (16), and facing towards said aperture (13) in said holding means (11), wherein said spring biased lock plunger means (150) is operable to fit in said recess ( 250) when said lock plunger means (150) being released.