CA1316729C - Device for opening the insertion slot of a slide frame - Google Patents
Device for opening the insertion slot of a slide frameInfo
- Publication number
- CA1316729C CA1316729C CA 602897 CA602897A CA1316729C CA 1316729 C CA1316729 C CA 1316729C CA 602897 CA602897 CA 602897 CA 602897 A CA602897 A CA 602897A CA 1316729 C CA1316729 C CA 1316729C
- Authority
- CA
- Canada
- Prior art keywords
- flap
- ramp
- film
- passage
- border
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D15/00—Apparatus for treating processed material
- G03D15/10—Mounting, e.g. of processed material in a frame
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A device for opening a film opening insertion slot formed by a border strip and by a flat of a slide frame. It comprises a film guiding member having an elongated passage for transversally guiding the film and an insertion-slot opening portion located forwardly of the passage. The device also comprises a slot-opening combination on the slot-opening portion, which combination includes a downwardly inclined border-strip ramp leading toward the bottom of the film passage and an upwardly inclined flap ramp leading toward the top of the film passage) the border-strip ramp being located forwardly of the flap ramp with respect to the passage. As a slide frame is displaced linearly edgewise with respect to the film-guiding member and in the direction of the film passage, its border strip is bent down as it slides along the border ramp and its flap is bent up as it slides along the flap ramp so as to open the insertion slot of the slide frame.
A device for opening a film opening insertion slot formed by a border strip and by a flat of a slide frame. It comprises a film guiding member having an elongated passage for transversally guiding the film and an insertion-slot opening portion located forwardly of the passage. The device also comprises a slot-opening combination on the slot-opening portion, which combination includes a downwardly inclined border-strip ramp leading toward the bottom of the film passage and an upwardly inclined flap ramp leading toward the top of the film passage) the border-strip ramp being located forwardly of the flap ramp with respect to the passage. As a slide frame is displaced linearly edgewise with respect to the film-guiding member and in the direction of the film passage, its border strip is bent down as it slides along the border ramp and its flap is bent up as it slides along the flap ramp so as to open the insertion slot of the slide frame.
Description
131~729 BACKGROUND OF THE INVENTION
Field of the invention The present invention relates to a device for opening the filmrinsertion slot of a slide frame.
~escription of the prior art The slide frame for which the opening device of the invention is intended is o e the type particularly described in Applicants' Canadian patent No. 1,245,891 issued 6 December 1988 and its U.S. counterpart No. 4,607,442 issued 26 August 1986. It is a three-layered frame, constructed like an envelope, having a through aperture at the center for allowing viewing of a film picture and being formed with the grooves along three sides of the aperture into which three corresponding edges of the film are slid. The fourth side of the top layer of the frame and portions of the two sides adjacent the fourth side form a U-shaped insertion slot. This slot thus defines, in the top layer of the frame, a border strip along the fourth side and a flap parallel to and located inwardly of the border strip. Opening of the slot of the envelope is obtained by lifting the flap and this is done by means of a~ially retractable pins extendable through holes formed on either side of the central viewing aperture across the other two layers of the frame. Such retractable pins mechanism is provided however only on the more expensive slide-frame making machines intended for large scale production. The slide frame described above is not suited, for that reason, for slot opening thereof by smaller machines such as those identified by the trademarks PAKON AM501 and AM301 and NURITSU MO~-l which do not have such an expensive retractable pin mechanism.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an improved slot opening device, as a replacement part on the above mentioned machines or like machines not provided with a slidable pin mechanism, which device is particularly adapted for opening the insertion slot of the slide frame described in Applicant's prior patents mentioned above.
~k 1 3 ~
More specifically, the object of the present invention lies in the provision of such a device which comprises:
- a film-guiding member having an elongated passage for transversally guiding a film and an insertion-slot opening portion located forwardly of the passage, and - a slot-opening combination, on the slot-opening portion, including a downwardly inclined border-strip ramp leading toward the bottom of the film passage and an upwardly inclined flap ramp leading toward the top of the film passage, the border-strip ramp being located forwardly of the flap ramp with respect to the passage;
- the device being so constructed that, as a slide frame is displaced linearly edgewi æ with respect to said film-guiding member and in the direction of the film passage, its border strip is bent down as it slides along said border-strip ramp and its flap is bent up as it slides along said flap ramp thereby opening the insertion slot of the slide frame.
In another preferred embodiment, the device further conprises a flap bead on the film-guiding member, the flap bead having a bottom surface formed with a channel defining the film-guiding passage, the flap bead further having a top surface parallel with the film passage, the top surface merging, at one end, with the top end of the flap ramp.
This slot-opening combination may comprise a pin projecting from the lower end of the flap ramp in a direction parallel to and away from the passage, the pin having a bevelled edge at the free end thereof defining the border-strip ramp and having a bottom face parallel to the filmrguiding passage.
The slot-opening combination may further comprise a wedge member having an upwardly inclined surface definig the flap ramp and a lower surface parallel with the film passage.
A better understanding of the invention will be afforded from the non restrictive description that follows of two preferred embodiments, having reference to the appended drawings.
BRIEF DESCRIPTION OF T~E DRAWINGS
Fig. 1 is a perspective view of a NU~ITSU slide-making machine;
13~6729 ~ Fig. 2 is a perspective view of the insertion-slot opening portion of the machine shown in Fig. l;
Figs. 3 and 4 are, respectively, a side and a front elevation view of an insertion-slot opening device according to a first e~bodiment of the invention, for use in the machine shown in Figs. 1 and 2;
Fig. 5 is a rear elevation view of the device of Figs. 3 and 4 shown secured of a slide-frame feeding table;
Figs. 6, 7, 8 and 9 are perspective views of the device of Figs. 3 to 5, showing it in four successive steps of a slot opening operation;
Fig. lO is a cross-sectional view in a plane along lines X-X
of Fig. 9;
Fig. ll is a side elevation view of an insertion-slot opening device according to a second embodiment of the invention, a tablesupport of a PAKON machine being shown in broken lines;
Fig. 12 is a front elevation view of the device of Fig. 11;
Figs. 13, 14, 15 and 16 are perspective views of the device of Figs. 11 or 12J showing it in four successive steps of a slot-opening operation; and Fig. 17 is a cross-sectional view along line XVII-XVII of Fig. 16.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In machines of the NURITSU type, as shown in Figs. 1 and 2~
the slide fra~es 1 are stacked along an arbor 3 extending through the frame apertures 5 or viewing windows. The stack rests on a table 7 and the frames are pushed by a reciprocating lever 8 successively over a square hole 9 (Fig. 2) through the table, the hole having the same dimensions as those of the apertures 5 of the frames. Once in position over the hole 9, a band 11 of films is m~ved through a film passage 13 across a plate 15, fixed to the table 7, until one film 17 is 13~7~
partially inserted into the frame 1. This film 17 is then cut off from the band 11 by a pivoting knife 19 and thereafter drawn fully into the frame 1 by grippers of a not-shown device acting through the table aperture 9. After complete insertion of the film, the slide is pushed into an attending receptacle 21.
The plate 15 is removable and is that part of the machine which is to be replaced by a filmrinsertion slot-opening device made according to the teaching of the present invention.
Referring to Figs. 3 through 9, the slide frame 1 for which the insertion slot-opening device of the invention is adapted is of the type disclosed in Applicants' Canadian and U.S. patents mentioned above. As said beforeS it is a three-layered plastic frame constructed sonewhat like an enveiope having a through central viewing window or aperture 5 and being formed with grooves along three sides into which the edges of the film 17 are slid. The fourth side of the top layer only and portions of the two sides adjacent to it form a U-shaped insertion slot 23, as clearly shown. This slot thus defines, in the top layer of the frame, a border strip 25 along the fourth side and a flat 27, parallel to and located to inwardly of the border strip. The outer edge 2~ of the flap 27 stands inwardly of the outer edge 31 of the border strip 25 a predetermined distance a to which reference is made hereinafter.
As e~plained in Applicants' prior patents mentioneed above, opening of the insertion slot 23 is obtained by lifting the flap 27 and this is done by means of axially retractable pins extendable through holes (not shown) formed across the bottom and central layers of the frame 1 and located on either side of the central viewing aperture 5. For use on a smaller and less expansive slide-making ~achines, the invention proposes an insertion-slot opening device 33 shown in Figs. 3, 4 and 5.
131~
Device 33 comprises a film-guiding plate 35 having an elongated film passage 37 and an insertion-slot opening portion 39 located forwardly of the passage. Plate 35 is fixed to the table 7 of the machine by bolts 36. The device 33 further comprises, on its plate portion 39, a slot-op~ning combination made up of a downwardly inclined border-strip ramp 41 leading toward the bottom of the film passage 27 and an upwardly inclined flap ramp 23 leading toward the top of the film passage; the ramp 41 being located forwardly of the ramp 43 with respect to the passage.
As will be described in greater detail hereinafter, when a slide frame 1 is displaced linearly edgewise with respect to the plate 35 and in the direction of the film pssage, its border strip 25 is first bent down as it slides along the ramp 41 and then its flap 27 is bent up as it slides along the ramp 43 thus allowing the insertion slot 23 to open, as a study of Figs. 6 to 9 renewals.
In this embodiment, the plate 35 has a thick upper section 45 and a thin lower section 47, the two being separated, in the plate portion 39, by an inclined shoulder which acts as the ramp 41. The flap ramp 43 is constituted, on the other hand, by a straight tongue which projects outwardly perpendicular of the thick upper section 41.
As clearly illustrated in Fig. 3, the ramps 41, 43 cut across the longitudinal axis 49 of the film passage 37 and the ramp 43 terrninates short of the ramp 41.
To guide the border strip 25 and flap 27 during opening operations of the insertion slot 23 and to keep the latter open, the plate 35 is provided with a straight elongated bead 51 projecting outwardly perpendicularly of the plate upper section 45 along the top edge of the film passage 37 and merging with the upper end of the flap ramp 43. Another similar elongated bead 53 extends along the lower edge of the passage 43, merging with the strip ramp 41.
Referring now to Figs. 5 to 10, the slide frame l is slid flatly over the table 7 of which tne top surface 59 is slightly lower than the longitudinal axis 49 of the film passage 37 (Figs. 5 and 10).
It slopes down, at 55, toward the plate section 47 to terminate, away S from the lower bead 53, a distance at least equal to the thickness of the slide frame 1. The other end of the table turns up and back over itself to form groove 57 for guiding the slide frame during its displacement.
Pushed by the lever 8 (Fig. 2), the slide frame 1 first hits the ramp 41 at about mid-height (Figs. 3 and 6). From then on, the border strip 25 bents down toward the slope 55 (Figs. 5 and 7) while the flap 27 remains horizontal until it reaches the ramp 43 at which time, because the ramp 43 reaches pst the longitudinal axis 49 (Fig.
3), the ramp 43 forces the flap up as shown in Fig. 8. Further leftward movement of the slide frame causes the border strip 25 and the flap 27 to ride on the beads 43, 51, respectively (Fig. 9).
~eferring to Figs. 5 and 10, the beads project from their respective plate section 43, 45 distances that are selected in relation to the aforesaid distance a (Fig. 6). Distances are such as to ensure that the border strip 25 and flap 27 rest safety on them to hold te insertion slot 23 open to allow insertion of a film into the slide frame. After the frame has moved away from the film passage 37, the border strip 25 and flap 27 spring back to their original coplanar positions under the resiliency of the plastic material of which the frame is made.
During the opening operation, the frame is held flat on the table 7 due to the insertion of its rightward edge in the groove 57 (Figs. 5 and 10).
In a second embodiment shown Figs. 11 to 16, the filmrguiding member, to be mounted on a PAKON type machine, has the general shape of a elongated square block 61 having a lengthwise groove 63 along îts lower edge; the groove defining a bead 65 formed with a channel 67 on its bottom face and with a top surface 69 131~2~
parallel with the channel 67, surface 69 merging with a border-strip ramp 71, at one end. The filmrguiding member 61 is adapted to cooperate with a table support 73, of the known machine, intended to hold the table 7 (which is the same as in the first embodiment) along one of its lateral edges, the other edge of the table being held by a channel member 75 fixed to it by bolts 77 and having an upper flange 79 defining a groove receiving the said other table edge, as shown in Fig. 17. The table support 73 is formed with an upper bead 81 and a lower bead 83 between which the table 7 is held.
As in the former NURITSU machine, a space is provided between the upper bead 81 and the lower end of the table slope 55 (Fig. 17) for the slidable guiding and holding of the down-bent border strip 25.
The upper bead 81 is formed with a top channel 85 facing and fully registering with the channel 67 so that the two define together a filmrguiding passage 87.
Solid with the flap bead 65, at its forward end, is a wedge-shaped member 93 of which the inclined upper face defines the ramp 71 for the flap 27. Projecting forwardly away from the lower end of the ramp 71 is a pin 95 having a bevelled edge at its free end which defines a border-strip ramp 97; the latter with the ramp 71 constituting a slot-opening combination. The pin 95 has a lower face 97 which is coplanar and which merges with the lower face 99 of the support bead 81. On the other hand, the lower face 101 of the wedge 93 stands slightly above the face 99 of the pin 95. This is to ensure that the tip of the wedge does not butt against the edge 103 of the border strip 25 when the slide frame 1 moves toward the pin 95.
As can be seen from Figs. 14 to 16, the slot-openin~
combination 97-71 works in the same manner as the like combination 41-43 of the first embodiment of Figs. 3 to 9. The border strip 25 is first drawn down by the pin ramp 97 and the flap 27 thereafter drawn 131~729 wedge ramp 71; the two thereafter riding on their respective bead 81, 6g. It is also of course necessary, as best appreciated from Fig. 17, that the horizontal distance between the tips of the beads 65 and 81 be at least large as the distance a between the outer edges 29, 31, of the flap 27 and border 25 in order that the latter rest safely against their respective beads.
Referring again to Fig. 17, the block 7 is fixed to one end of a lever arm 105 by bolts 107, the other other end being mounted on a mechanism (not shown) on the PAKON ~achine which is adapted to lift or lower it and in turn lift and lower it and in turn lift and lower the block 61 so that the size of the slot 87 may be adjusted and the wedge 93 and pin 95 properly located with respect to the slide frame 1.
Field of the invention The present invention relates to a device for opening the filmrinsertion slot of a slide frame.
~escription of the prior art The slide frame for which the opening device of the invention is intended is o e the type particularly described in Applicants' Canadian patent No. 1,245,891 issued 6 December 1988 and its U.S. counterpart No. 4,607,442 issued 26 August 1986. It is a three-layered frame, constructed like an envelope, having a through aperture at the center for allowing viewing of a film picture and being formed with the grooves along three sides of the aperture into which three corresponding edges of the film are slid. The fourth side of the top layer of the frame and portions of the two sides adjacent the fourth side form a U-shaped insertion slot. This slot thus defines, in the top layer of the frame, a border strip along the fourth side and a flap parallel to and located inwardly of the border strip. Opening of the slot of the envelope is obtained by lifting the flap and this is done by means of a~ially retractable pins extendable through holes formed on either side of the central viewing aperture across the other two layers of the frame. Such retractable pins mechanism is provided however only on the more expensive slide-frame making machines intended for large scale production. The slide frame described above is not suited, for that reason, for slot opening thereof by smaller machines such as those identified by the trademarks PAKON AM501 and AM301 and NURITSU MO~-l which do not have such an expensive retractable pin mechanism.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an improved slot opening device, as a replacement part on the above mentioned machines or like machines not provided with a slidable pin mechanism, which device is particularly adapted for opening the insertion slot of the slide frame described in Applicant's prior patents mentioned above.
~k 1 3 ~
More specifically, the object of the present invention lies in the provision of such a device which comprises:
- a film-guiding member having an elongated passage for transversally guiding a film and an insertion-slot opening portion located forwardly of the passage, and - a slot-opening combination, on the slot-opening portion, including a downwardly inclined border-strip ramp leading toward the bottom of the film passage and an upwardly inclined flap ramp leading toward the top of the film passage, the border-strip ramp being located forwardly of the flap ramp with respect to the passage;
- the device being so constructed that, as a slide frame is displaced linearly edgewi æ with respect to said film-guiding member and in the direction of the film passage, its border strip is bent down as it slides along said border-strip ramp and its flap is bent up as it slides along said flap ramp thereby opening the insertion slot of the slide frame.
In another preferred embodiment, the device further conprises a flap bead on the film-guiding member, the flap bead having a bottom surface formed with a channel defining the film-guiding passage, the flap bead further having a top surface parallel with the film passage, the top surface merging, at one end, with the top end of the flap ramp.
This slot-opening combination may comprise a pin projecting from the lower end of the flap ramp in a direction parallel to and away from the passage, the pin having a bevelled edge at the free end thereof defining the border-strip ramp and having a bottom face parallel to the filmrguiding passage.
The slot-opening combination may further comprise a wedge member having an upwardly inclined surface definig the flap ramp and a lower surface parallel with the film passage.
A better understanding of the invention will be afforded from the non restrictive description that follows of two preferred embodiments, having reference to the appended drawings.
BRIEF DESCRIPTION OF T~E DRAWINGS
Fig. 1 is a perspective view of a NU~ITSU slide-making machine;
13~6729 ~ Fig. 2 is a perspective view of the insertion-slot opening portion of the machine shown in Fig. l;
Figs. 3 and 4 are, respectively, a side and a front elevation view of an insertion-slot opening device according to a first e~bodiment of the invention, for use in the machine shown in Figs. 1 and 2;
Fig. 5 is a rear elevation view of the device of Figs. 3 and 4 shown secured of a slide-frame feeding table;
Figs. 6, 7, 8 and 9 are perspective views of the device of Figs. 3 to 5, showing it in four successive steps of a slot opening operation;
Fig. lO is a cross-sectional view in a plane along lines X-X
of Fig. 9;
Fig. ll is a side elevation view of an insertion-slot opening device according to a second embodiment of the invention, a tablesupport of a PAKON machine being shown in broken lines;
Fig. 12 is a front elevation view of the device of Fig. 11;
Figs. 13, 14, 15 and 16 are perspective views of the device of Figs. 11 or 12J showing it in four successive steps of a slot-opening operation; and Fig. 17 is a cross-sectional view along line XVII-XVII of Fig. 16.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In machines of the NURITSU type, as shown in Figs. 1 and 2~
the slide fra~es 1 are stacked along an arbor 3 extending through the frame apertures 5 or viewing windows. The stack rests on a table 7 and the frames are pushed by a reciprocating lever 8 successively over a square hole 9 (Fig. 2) through the table, the hole having the same dimensions as those of the apertures 5 of the frames. Once in position over the hole 9, a band 11 of films is m~ved through a film passage 13 across a plate 15, fixed to the table 7, until one film 17 is 13~7~
partially inserted into the frame 1. This film 17 is then cut off from the band 11 by a pivoting knife 19 and thereafter drawn fully into the frame 1 by grippers of a not-shown device acting through the table aperture 9. After complete insertion of the film, the slide is pushed into an attending receptacle 21.
The plate 15 is removable and is that part of the machine which is to be replaced by a filmrinsertion slot-opening device made according to the teaching of the present invention.
Referring to Figs. 3 through 9, the slide frame 1 for which the insertion slot-opening device of the invention is adapted is of the type disclosed in Applicants' Canadian and U.S. patents mentioned above. As said beforeS it is a three-layered plastic frame constructed sonewhat like an enveiope having a through central viewing window or aperture 5 and being formed with grooves along three sides into which the edges of the film 17 are slid. The fourth side of the top layer only and portions of the two sides adjacent to it form a U-shaped insertion slot 23, as clearly shown. This slot thus defines, in the top layer of the frame, a border strip 25 along the fourth side and a flat 27, parallel to and located to inwardly of the border strip. The outer edge 2~ of the flap 27 stands inwardly of the outer edge 31 of the border strip 25 a predetermined distance a to which reference is made hereinafter.
As e~plained in Applicants' prior patents mentioneed above, opening of the insertion slot 23 is obtained by lifting the flap 27 and this is done by means of axially retractable pins extendable through holes (not shown) formed across the bottom and central layers of the frame 1 and located on either side of the central viewing aperture 5. For use on a smaller and less expansive slide-making ~achines, the invention proposes an insertion-slot opening device 33 shown in Figs. 3, 4 and 5.
131~
Device 33 comprises a film-guiding plate 35 having an elongated film passage 37 and an insertion-slot opening portion 39 located forwardly of the passage. Plate 35 is fixed to the table 7 of the machine by bolts 36. The device 33 further comprises, on its plate portion 39, a slot-op~ning combination made up of a downwardly inclined border-strip ramp 41 leading toward the bottom of the film passage 27 and an upwardly inclined flap ramp 23 leading toward the top of the film passage; the ramp 41 being located forwardly of the ramp 43 with respect to the passage.
As will be described in greater detail hereinafter, when a slide frame 1 is displaced linearly edgewise with respect to the plate 35 and in the direction of the film pssage, its border strip 25 is first bent down as it slides along the ramp 41 and then its flap 27 is bent up as it slides along the ramp 43 thus allowing the insertion slot 23 to open, as a study of Figs. 6 to 9 renewals.
In this embodiment, the plate 35 has a thick upper section 45 and a thin lower section 47, the two being separated, in the plate portion 39, by an inclined shoulder which acts as the ramp 41. The flap ramp 43 is constituted, on the other hand, by a straight tongue which projects outwardly perpendicular of the thick upper section 41.
As clearly illustrated in Fig. 3, the ramps 41, 43 cut across the longitudinal axis 49 of the film passage 37 and the ramp 43 terrninates short of the ramp 41.
To guide the border strip 25 and flap 27 during opening operations of the insertion slot 23 and to keep the latter open, the plate 35 is provided with a straight elongated bead 51 projecting outwardly perpendicularly of the plate upper section 45 along the top edge of the film passage 37 and merging with the upper end of the flap ramp 43. Another similar elongated bead 53 extends along the lower edge of the passage 43, merging with the strip ramp 41.
Referring now to Figs. 5 to 10, the slide frame l is slid flatly over the table 7 of which tne top surface 59 is slightly lower than the longitudinal axis 49 of the film passage 37 (Figs. 5 and 10).
It slopes down, at 55, toward the plate section 47 to terminate, away S from the lower bead 53, a distance at least equal to the thickness of the slide frame 1. The other end of the table turns up and back over itself to form groove 57 for guiding the slide frame during its displacement.
Pushed by the lever 8 (Fig. 2), the slide frame 1 first hits the ramp 41 at about mid-height (Figs. 3 and 6). From then on, the border strip 25 bents down toward the slope 55 (Figs. 5 and 7) while the flap 27 remains horizontal until it reaches the ramp 43 at which time, because the ramp 43 reaches pst the longitudinal axis 49 (Fig.
3), the ramp 43 forces the flap up as shown in Fig. 8. Further leftward movement of the slide frame causes the border strip 25 and the flap 27 to ride on the beads 43, 51, respectively (Fig. 9).
~eferring to Figs. 5 and 10, the beads project from their respective plate section 43, 45 distances that are selected in relation to the aforesaid distance a (Fig. 6). Distances are such as to ensure that the border strip 25 and flap 27 rest safety on them to hold te insertion slot 23 open to allow insertion of a film into the slide frame. After the frame has moved away from the film passage 37, the border strip 25 and flap 27 spring back to their original coplanar positions under the resiliency of the plastic material of which the frame is made.
During the opening operation, the frame is held flat on the table 7 due to the insertion of its rightward edge in the groove 57 (Figs. 5 and 10).
In a second embodiment shown Figs. 11 to 16, the filmrguiding member, to be mounted on a PAKON type machine, has the general shape of a elongated square block 61 having a lengthwise groove 63 along îts lower edge; the groove defining a bead 65 formed with a channel 67 on its bottom face and with a top surface 69 131~2~
parallel with the channel 67, surface 69 merging with a border-strip ramp 71, at one end. The filmrguiding member 61 is adapted to cooperate with a table support 73, of the known machine, intended to hold the table 7 (which is the same as in the first embodiment) along one of its lateral edges, the other edge of the table being held by a channel member 75 fixed to it by bolts 77 and having an upper flange 79 defining a groove receiving the said other table edge, as shown in Fig. 17. The table support 73 is formed with an upper bead 81 and a lower bead 83 between which the table 7 is held.
As in the former NURITSU machine, a space is provided between the upper bead 81 and the lower end of the table slope 55 (Fig. 17) for the slidable guiding and holding of the down-bent border strip 25.
The upper bead 81 is formed with a top channel 85 facing and fully registering with the channel 67 so that the two define together a filmrguiding passage 87.
Solid with the flap bead 65, at its forward end, is a wedge-shaped member 93 of which the inclined upper face defines the ramp 71 for the flap 27. Projecting forwardly away from the lower end of the ramp 71 is a pin 95 having a bevelled edge at its free end which defines a border-strip ramp 97; the latter with the ramp 71 constituting a slot-opening combination. The pin 95 has a lower face 97 which is coplanar and which merges with the lower face 99 of the support bead 81. On the other hand, the lower face 101 of the wedge 93 stands slightly above the face 99 of the pin 95. This is to ensure that the tip of the wedge does not butt against the edge 103 of the border strip 25 when the slide frame 1 moves toward the pin 95.
As can be seen from Figs. 14 to 16, the slot-openin~
combination 97-71 works in the same manner as the like combination 41-43 of the first embodiment of Figs. 3 to 9. The border strip 25 is first drawn down by the pin ramp 97 and the flap 27 thereafter drawn 131~729 wedge ramp 71; the two thereafter riding on their respective bead 81, 6g. It is also of course necessary, as best appreciated from Fig. 17, that the horizontal distance between the tips of the beads 65 and 81 be at least large as the distance a between the outer edges 29, 31, of the flap 27 and border 25 in order that the latter rest safely against their respective beads.
Referring again to Fig. 17, the block 7 is fixed to one end of a lever arm 105 by bolts 107, the other other end being mounted on a mechanism (not shown) on the PAKON ~achine which is adapted to lift or lower it and in turn lift and lower it and in turn lift and lower the block 61 so that the size of the slot 87 may be adjusted and the wedge 93 and pin 95 properly located with respect to the slide frame 1.
Claims (14)
1. A device for opening a film insertion slot formed by a border strip and by a flap of a slide frame, said device comprising:
- a film/guiding member having an elongated transversal film guiding passage and an insertion-slot opening portion located forwardly of said passage, and - a slot-opening combination, on said slot-opening portion, including a downwardly inclined border-strip ramp leading toward the bottom of said film passage and an upwardly inclined flap ramp leading toward the top of said film passage, said border-strip ramp being located forwardly of said flap ramp with respect to said passage;
wherein said device is so constructed that, as a slide frame is displaced linearly edgewise with respect to said film-guiding member and in the direction of said film passage, its border strip is bent down as it slides along said border-strip ramp and its flap is bent up as it slides along said flap ramp thereby opening the insertion slot of the slide frame.
- a film/guiding member having an elongated transversal film guiding passage and an insertion-slot opening portion located forwardly of said passage, and - a slot-opening combination, on said slot-opening portion, including a downwardly inclined border-strip ramp leading toward the bottom of said film passage and an upwardly inclined flap ramp leading toward the top of said film passage, said border-strip ramp being located forwardly of said flap ramp with respect to said passage;
wherein said device is so constructed that, as a slide frame is displaced linearly edgewise with respect to said film-guiding member and in the direction of said film passage, its border strip is bent down as it slides along said border-strip ramp and its flap is bent up as it slides along said flap ramp thereby opening the insertion slot of the slide frame.
2. A device as claimed in claim 1, wherein:
- said member is a plate having an upper section and a lower section;
- said border-strip ramp is defined by a straight shoulder normal to and separating said sections, and - said flap ramp is formed by a straight tongue projecting outwardly perpendicularly of said upper section.
- said member is a plate having an upper section and a lower section;
- said border-strip ramp is defined by a straight shoulder normal to and separating said sections, and - said flap ramp is formed by a straight tongue projecting outwardly perpendicularly of said upper section.
3. A device as claimed in claim 2, wherein said passage has a central longitudinal axis and sid ramps cross said axis.
4. A device as claimed in claim 3, wherein said film passage has a top edge and a bottom edge and said device further comprises:
- a straight elongated upper bead projecting outwardly perpendicularly of said upper section along sid top edge and merging with the upper end of said flap ramp, and - a straight elongated lower bead projecting outwardly perpendicularly of said lower section along said bottom edge and merging with the lower end of said strip ramp.
- a straight elongated upper bead projecting outwardly perpendicularly of said upper section along sid top edge and merging with the upper end of said flap ramp, and - a straight elongated lower bead projecting outwardly perpendicularly of said lower section along said bottom edge and merging with the lower end of said strip ramp.
5. A device as claimed in claim 4, wherein the lower end of said flap ramp terminates short of the lower end of said border ramp.
6. A device as claimed in claim 4, for use with a slide frame of which the outer edge of the flap stand inwardly away from the outer edge of the border strip a predetermined distance, wherein:
- said upper and lower beads project, from their respective plate section, distances selected in relation to said predetermined distances and such as to ensure resting of the border strip and flap on said beads to keep the insertion slot opened as the slide frame moves in front of said film passage.
- said upper and lower beads project, from their respective plate section, distances selected in relation to said predetermined distances and such as to ensure resting of the border strip and flap on said beads to keep the insertion slot opened as the slide frame moves in front of said film passage.
7. A device as claimed in claim 6, wherein said upper section is secured and said lower section and said sections are separated by said shoulder in said slot-opening portion.
8. A device as claimed in claim 7, wherein the lower end of said flap ramp terminates short of the lower end of said border ramp.
9. A device as claimed in claim 1, further comprising: a flap bead on said film-guiding member, said flap bead having a bottom surface formed with a channel defining said film-guiding passage, said flap bead further having a top surface parallel with said film passage, said top surface merging, at one end, with the top end of said flap ramp.
10. A device as claimed in claim 9, wherein said slot-opening combination comprises a pin projecting from the lower end of said flap ramp in a direction parallel to and away from said passage, said pin having a bevelled edge at the free end thereof defining said border-strip ramp and having a bottom face parallel to said film-guiding passage.
11 11. A device as claimed in claim 10, wherein said slot-opening combination further comprises a wedge member located forwardly of said film passage, said wedge member having an upwardly inclined surface defining said flap ramp and a lower surface parallel with said film passage.
12. A device as claimed in claim 11, in combination with a table support for slide frames, said support having an upper bead parallel to said flap bead; said support bead having a lower face coplanar and merging with said bottom face of said pin.
13. A device as claimed in claim 12, wherein said lower surface of said wedge stands slightly above said bottom face of said pin.
14. A device as claimed in claim 13, for use with a slide frame of which the outer edge of the flap stands inwardly away from the outer edge of the border strip a predetermined distance, wherein:
- said support bead and said flap bead project from said support and from said film-guiding member distances selected in relation to said predetermined distance such as to ensure resting of the border strip and flap on said beads to keep the insertrion slot opened as the slide frame moves in front of said film passage.
- said support bead and said flap bead project from said support and from said film-guiding member distances selected in relation to said predetermined distance such as to ensure resting of the border strip and flap on said beads to keep the insertrion slot opened as the slide frame moves in front of said film passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 602897 CA1316729C (en) | 1989-06-15 | 1989-06-15 | Device for opening the insertion slot of a slide frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 602897 CA1316729C (en) | 1989-06-15 | 1989-06-15 | Device for opening the insertion slot of a slide frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1316729C true CA1316729C (en) | 1993-04-27 |
Family
ID=4140214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 602897 Expired - Fee Related CA1316729C (en) | 1989-06-15 | 1989-06-15 | Device for opening the insertion slot of a slide frame |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1316729C (en) |
-
1989
- 1989-06-15 CA CA 602897 patent/CA1316729C/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |