JP6514431B2 - Paper transport path - Google Patents

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a paper sheet conveyance path which enables conveyance of paper sheets such as banknotes along a conveyance space formed between a frame and a cover member.

  The paper sheet conveyance path applied to conveyance of paper sheets such as bills includes a frame provided with a conveyance traveling body of a conveyance mechanism such as a conveyance chain and a conveyance belt, and a cover member removably attached to the frame There is provided a space between which a transport space is formed, and the transport space is opened by removing the cover member from the frame to facilitate maintenance and inspection work.

  For example, in the paper sheet conveyance path used when conveying a bill along the horizontal direction, elastic engagement pieces having claws are provided on the upper and lower sides of the cover member. The elastic engagement piece can be elastically deformed so as to switch between a state in which the claw portion is engaged with the frame and a state in which the engagement is released when an external force is applied through the operation portion. .

  In the paper conveyance path of this type, the cover member is detachably attached to the frame by elastically deforming the elastic engagement piece through the operation portion and engaging the frame through the claw portion. Since a conveyance space is formed between the cover member, a member for attaching the cover member to the frame, such as a mounting screw, is not required. Therefore, it is not only advantageous in terms of cost, but because it is not necessary to use a tool, it is possible to facilitate the operation when attaching and detaching the cover member to the frame (for example, Patent Document 1 and Patent Document) 2).

JP, 2009-56063, A JP 2007-39191 A

  However, in the above-described paper sheet conveyance path, when the operation portion of the elastic claw piece is touched, the cover member is inadvertently fallen off with respect to the frame, and conveyance of the paper sheet becomes difficult or the cover member is damaged. There is a risk of In particular, in the case of a paper leaf transport path for transporting bills on a gaming island where a plurality of gaming machines are juxtaposed, the installation location is on the back side of the gaming machine, and a supply for supplying a large number of wires and gaming media to the surroundings. Equipment is arranged. For this reason, when checking these wiring and supply facilities, the opportunity for a worker to touch the operation part of an elastic engagement piece accidentally also increases, and the above-mentioned problem becomes remarkable.

  An object of the present invention is to provide a paper sheet conveyance path capable of easily performing maintenance and inspection work of the conveyance space without causing a case where the cover member is accidentally dropped.

  In order to achieve the above object, the paper sheet conveyance path according to the present invention has a frame provided with a conveyance mechanism, and a resilient engagement piece detachably engaged with the frame, and the resilient engagement piece And a cover member that constitutes a transport space between the frame and the frame, and the paper can be transported along the transport space when the transport mechanism is driven. A leaf transport path, wherein the resilient engagement piece is provided so as to project toward the frame from the front surface of the cover member facing the frame, and the resilient engagement is performed in a region extending from the rear surface to the front surface of the cover member It is characterized by having provided the operation notch which enables release of the engagement state of the piece and the said frame.

  Further, according to the present invention, in the above-described paper sheet conveyance path, the resilient engagement piece is curved so that a tip end is separated from the frame after projecting from the front surface of the cover member toward the frame. It is located inside the notch, and has a claw portion engaged with the frame on the outer surface of the portion exposed from the curved portion to the tip and exposed to the outside of the operation notch. It features.

  Further, according to the present invention, in the above-described paper sheet conveyance path, the frame and the cover member constitute the conveyance space so as to convey the paper sheet along the horizontal direction, and the elastic engagement of the cover member The joint piece is characterized in that it is provided to be paired with the upper edge and the lower edge of the cover member.

  Further, according to the present invention, in the above-described paper sheet conveyance path, the resilient engagement pieces provided on the upper edge portion and the lower edge portion of the cover member engage with the frame in the portions inward of each other. It is characterized in that when it is elastically deformed in a direction away from each other through the operation notch, the engagement with the frame is released.

  Further, according to the present invention, in the above-described paper sheet conveyance path, when the resilient engagement piece is engaged with the frame, the cover member abuts against the frame, thereby the resilient engagement piece and the resilient engagement piece A stopper piece is provided to prevent relative movement between the frame and the cover member in a direction in which engagement with the frame can be released.

  According to the present invention, the elastic engagement piece is provided to project toward the frame from the front surface of the cover member facing the frame, and the engagement between the elastic engagement piece and the frame is released through the operation notch. As it is possible, there is no risk of accidentally touching the resilient engagement piece. Therefore, the maintenance inspection operation of the transfer space can be easily performed without causing the cover member to be accidentally dropped.

FIG. 1 is a perspective view showing the appearance of a paper sheet conveyance path according to an embodiment of the present invention. FIG. 2 is a perspective view of the sheet conveyance path shown in FIG. 1 with the conveyance cover removed. FIG. 3 is a partially broken view of an enlarged end face of the paper sheet conveyance path shown in FIG. FIG. 4 is an enlarged end view of the sheet conveyance path shown in FIG. 1 with the conveyance cover removed. FIG. 5 is an enlarged perspective view of an essential part of the conveyance cover of the paper sheet conveyance path shown in FIG. 1 as viewed from the rear surface. FIG. 6 is an enlarged perspective view of an essential part of the conveyance cover of the paper sheet conveyance path shown in FIG. 1 as viewed from the front. FIG. 7 is an enlarged perspective view of an essential part of the conveyance cover of the paper conveyance path shown in FIG. FIG. 8 is a front view showing a state in which the conveyance covers of the paper conveyance path shown in FIG. 1 are connected to each other by joint members. FIG. 9 is an exploded view of the conveyance cover and coupling member of the paper conveyance path shown in FIG. 1 as viewed from the front. 10A and 10B show cross sections of the transport cover and the joint member shown in FIG. 8, wherein FIG. 10A is a cross-sectional view taken along the line XX and FIG. 10B is a cross-sectional view taken along the line YY. FIG. 11 is a plan view schematically showing a game island to which the paper sheet conveyance path shown in FIG. 1 is applied.

  Hereinafter, preferred embodiments of a paper sheet conveyance path according to the present invention will be described in detail with reference to the attached drawings.

  FIG. 1 and FIG. 2 show a paper sheet conveyance path according to an embodiment of the present invention. As illustrated in FIG. 11, the paper sheet conveyance path 1 illustrated here is intended to convey a bill inserted into the gaming medium lending machine 101 on the game island 100, and extends this bill to the bill storage 102 at the end of the game island. It is used for a bill conveying device which conveys along a horizontal direction. In particular, in the present embodiment, in the gaming island 100 in which two gaming machine arrays in which a plurality of gaming machines 103 and gaming media lending machines 101 are juxtaposed are arranged back to back, the gaming media of one gaming machine array A transport space M for transporting the bill in the landscape orientation standing in the horizontal direction and a transport space M for transporting the banknote in the landscape upright position inserted in the gaming medium lending machine 101 of the other row of gaming machines are arranged side by side The illustrated sheet conveyance path 1 is illustrated.

  As shown in FIG. 3 and FIG. 4, the paper sheet conveyance path 1 is provided with a frame serving as a reference when configuring the conveyance space M. The frame 10 is an extruded material formed of a metal such as aluminum, and is configured to have a uniform cross-sectional area over the entire length.

  The frame 10 of the present embodiment has the connecting plates 12 at the upper and lower sides of the thin plate-like partition plate 11, and the guide rails 13 at the left and right sides of the individual connecting plates 12. have. The connection plate portion 12 is in the form of a thin plate extending in a direction orthogonal to the partition plate portion 11. Each connecting plate portion 12 has a width of about 1⁄2 of the dividing plate portion 11, and is connected to the dividing plate portion 11 in a state where the protruding lengths from the dividing plate portion 11 to both sides are equal. ing. The guide rail portion 13 is a thin plate-like member provided on each end edge of the connection plate portion 12 so as to be parallel to the partition plate portion 11. Each guide rail portion 13 has a width equal to that of the connecting plate portion 12 and is connected to the connecting plate portion 12 in a state of projecting from the connecting plate portion 12 on both sides. The protruding length of the guide rail portion 13 from the connecting plate portion 12 is such that the protruding length in the direction away from each other is about twice as long as the protruding length in the direction facing the partition plate portion 11 It is biased.

  Further, in the frame 10, engaging groove portions 14 are provided at mutually separated end edges of the respective guide rail portions 13. The engagement groove portion 14 has a base wall portion 14 a extending parallel to the connection plate portion 12 from the end edge of each guide rail portion 13, and an end edge of the base wall portion 14 a on the side close to the partition plate portion 11. And an opposing wall 14b extending parallel to the guide rail 13, and a pressing wall 14c extending parallel to the base wall 14a from the extending end of the opposing wall 14b. In addition, the space between the extension end of the base wall portion 14a and the extension end of the pressing wall portion 14c is an open rectangular tube. At the extension end of the base wall portion 14a, an engagement convex portion 14d is provided in the direction approaching the pressing wall portion 14c. The protruding length of the base wall portion 14 a from the guide rail portion 13 is such that the protruding length in the direction away from each other is about 5 times the protruding length in the direction facing the connecting plate portion 12. It is biased. On the other hand, the protruding length of the pressing wall 14c from the facing wall 14b is equal to the protruding length in the direction facing the connecting plate 12 and the protruding length in the direction facing the base wall 14a. And, it is set to secure a gap between adjacent pressing wall portions 14c.

  In the frame 10 configured as described above, as indicated by the alternate long and two short dashes lines in FIGS. 3 and 4, the transport chains, transport belts, etc. are transported to the storage spaces S located on both sides across the partition plate portion 11. A transport carriage 20 of the mechanism is provided. The portion 13 a of the guide rail portion 13 which protrudes in the direction opposite to the partition plate portion 11 serves as a guide and travels along the extending direction of the frame 10. It will be. In addition, as shown in FIG. 11, in the banknote conveyance apparatus of this embodiment, endless conveyance conveyance body 20 is wound around a pair of pulleys 21 and 22, and one accommodation space S is conveyance conveyance body. The transport travel body 20 is disposed on the frame 10 so that the forward path 20 is made and the other accommodation space S is the return path of the transport travel body 20.

  Furthermore, as shown in FIGS. 1 to 4, a transport cover (cover member) 30 molded of a synthetic resin material is attached to the above-described frame 10 at the portions that are on the left and right sides of the partition plate portion 11. . The conveyance cover 30 has a rectangular outer shape, and includes the guide rail portion 13, the conveyance travel body 20 and the guide rail portion 13 from one engagement groove portion 14 of the frame 10, and the space to the other engagement groove portion 14 The cover main body 31 has a size capable of covering the In the present embodiment, the sheet conveyance path 1 is configured together with the frame 10 by arranging a plurality of conveyance covers 30 each having a unit length along the longitudinal direction of the frame 10.

  The cover main body 31 is formed to have a substantially uniform thickness, and has a plurality of guide ribs 31 a on the front surface facing the frame 10. The guide ribs 31a are protrusions extending along the longitudinal direction of the frame 10, and are formed to have the same height.

  As shown in FIGS. 1 and 2, the cover body 31 has operation holes (notches for operation) 32 and elastic engagement pieces at a plurality of locations on the upper and lower end edges facing the engagement grooves 14 of the frame 10, respectively. 33 are provided. As shown in FIGS. 5 and 7, the operation holes 32 are openings penetrating from the front surface facing the frame 10 to the rear surface on the opposite side in the cover main body 31, and are provided in pairs on the upper and lower sides of the cover main body 31. It is The resilient engagement piece 33 protrudes toward the frame 10 from the opening peripheral edge on the front edge side of the cover main body 31 than the individual operation holes 32 on the front surface of the cover main body 31, as shown in FIGS. After that, the respective tip portions are disposed inside the operation hole 32 by curving approximately 180 degrees in the direction approaching the operation hole 32. The portion of the elastic engagement piece 33 that protrudes from the front surface of the cover main body 31 has a dimension that can be inserted between the engagement convex portion 14d of the base wall portion 14a and the presser wall portion 14c in the engagement groove portion 14 of the frame 10. It has been formed. Each resilient engagement piece 33 is provided with a claw 34 and a reinforcing rib 35. In the following, for convenience, as shown in FIG. 7, the portion from the cover main body 31 to the curved portion of the elastic engaging piece 33 is referred to as the base end 33A of the elastic engaging piece 33, and the portion from the curved portion to the tip is elastic. A description will be given by referring to the tip 33B of the engagement piece 33.

  The claw portion 34 is a protrusion provided on the outer peripheral surface of a portion of the distal end portion 33B of the resilient engagement piece 33 exposed to the outside of the operation hole 32. Each claw 34 has an inclined guide surface 34 a and an engagement surface 34 b. The inclined guide surface 34 a is a flat surface inclined so as to gradually project outward from the outer peripheral surface as it goes to the tip end portion 33 B of the resilient engagement piece 33. The engagement surface 34 b is a flat surface provided so as to be substantially perpendicular to the outer peripheral surface of the resilient engagement piece 33 from the projecting edge of the inclined guide surface 34 a. The engaging surface 34b has a distance from the outer peripheral end of the curved portion of the elastic engaging piece 33 shorter than the distance from the opposing wall 14b to the engaging convex 14d in the engaging groove 14 of the frame 10. It is provided at the position. The reinforcing rib 35 is a projection provided on the entire length of the inner surface of the proximal end 33A of the resilient engagement piece 33. The reinforcing rib 35 functions to prevent the elastic deformation of the proximal end 33A of the elastic engagement piece 33 when an external force is applied to the distal end 33B of the elastic engagement piece 33.

  Further, as shown in FIG. 6, a stopper piece 37 is provided on the cover main body 31 of the conveyance cover 30. The stopper pieces 37 are small pieces provided so as to project toward the frame 10 from a plurality of locations on the upper and lower end edges facing the engagement grooves 14 of the frame 10 on the front surface of the cover main body 31. As shown in the lower part of FIG. 3, the stopper piece 37 causes the resilient engagement piece 33 to be inserted between the engagement convex portion 14 d of the base wall portion 14 a and the pressing wall portion 14 c in the engagement groove portion 14 of the frame 10. In this case, it is formed in such a dimension as to be able to abut on the projecting end face of the engagement convex portion 14d.

  On the other hand, on the left and right end surfaces of the cover main body 31, as shown in FIG. 8 and FIG. 9, four connecting grooves 38 along the longitudinal direction of the frame 10 are provided. The connection groove 38 is a linear concave groove formed on the front surface of the cover main body 31, and is open at the end surface of the cover main body 31. As shown in FIG. 3, the two central connection grooves 38 are provided at positions facing the partition plate portion 11 of the frame 10, and the two outer connection grooves 38 are opposed to the guide rail portion 13. Provided at the As shown in FIGS. 8 and 9, coupling members 40 for coupling the adjacent conveyance covers 30 to each other are attached to the coupling grooves 38.

  The joint member 40 is provided with four connecting projections 42 on both sides of the joint main body 41. The joint main body 41 has the same length as the vertical height of the cover main body 31, and has substantially the same plate thickness as the cover main body 31, as shown in FIG. 10 (b). An operation hole 32 and an elastic engagement piece 33 are provided in a portion of the joint main body 41 opposite to the engagement groove portion 14 of the frame 10. The operation hole 32 and the elastic engagement piece 33 both have the same configuration as those provided on the conveyance cover 30, and therefore, the same reference numerals are given and the detailed description thereof will be omitted. The connection projection 42 is a projection formed at a portion corresponding to the connection groove 38 of the cover main body 31. When the connection projections 42 are arranged in the corresponding connection grooves 38 of the cover main body 31 as shown in FIG. 10A, the front surface facing the frame 10 has the same height as the front surface of the cover main body 31. Are configured to be

  As shown on the left side of FIG. 4, the transport cover 30 configured as described above is individually pressed on the frame 10 as it is with the elastic engagement piece 33 facing the engagement groove portion 14 of the frame 10. The claw portion 34 of the elastic engagement piece 33 is engaged with the engagement convex portion 14d, and as shown on the right side of FIG. The road 1 is constructed.

  That is, when the elastic engagement piece 33 of the conveyance cover 30 is inserted into the engagement groove 14 of the frame 10, the inclined guide surface 34a of the claw 34 abuts on the engagement convex 14d, and the tip 33B gradually becomes base By elastically deforming so as to be close to the end portion 33A, it is possible to enter the depth of the engagement groove portion 14. Thereafter, when the inclined guide surface 34a passes through the engagement convex portion 14d, the elastic engagement piece 33 returns to the original state, and the engagement surface 34b of the claw portion 34 forms the engagement convex portion 14d of the engagement groove portion 14 It will be in the opposite state. As a result, the engagement surface 34 b provided on the claw portion 34 of the elastic engagement piece 33 and the engagement convex portion 14 d provided on the engagement groove portion 14 of the frame 10 abut each other, thereby conveying the frame 10. The movement of the cover 30 in the falling direction is blocked. Also in the joint member 40 provided between the conveyance covers 30, the engagement surface 34 b provided on the claw portion 34 of the elastic engagement piece 33 and the engagement convex portion 14 d provided on the engagement groove portion 14 of the frame 10 By being in contact with each other, movement in the direction of falling off with respect to the frame 10 is blocked.

  In a state where the transport cover 30 and the joint member 40 are attached to the frame 10, a transport space M is formed between the frame 10 provided with the transport traveling body 20 and the cover main body 31 of the transport cover 30 and the joint member 40. . Thereby, when the conveyance traveling body 20 travels, it becomes possible to convey a bill along the conveyance space M between the conveyance traveling body 20 and the cover main body 31 and the joint main body 41.

  Here, in a state where the transport cover 30 and the joint member 40 are attached to the frame 10, as shown in FIG. 3, a portion of the elastic engagement piece 33 that protrudes from the front face of the cover main body 31 and the front face of the joint member 40 The protruding portions are respectively inserted into the engaging groove portions 14 of the frame 10, and the distal end portions 33B of the resilient engaging pieces 33 are disposed inside the operation holes 32. Therefore, according to the paper sheet conveyance path 1, there is no possibility that the situation where the elastic engagement piece 33 is touched by mistake from the outside occurs, and the conveyance cover 30 and the joint member 40 may be inadvertently dropped. Absent.

  Moreover, when the conveyance cover 30 is attached to the frame 10, the stopper piece 37 provided on the cover main body 31 is in a state of being in contact with the engagement convex portion 14d of the frame 10. Therefore, even when an external force is applied to the cover main body 31, the external force is transmitted to the frame 10 through the stopper piece 37, and the elastic engagement piece 33 is not deformed. There is no risk of the cover 30 falling off.

  On the other hand, when carrying out maintenance or inspection on the conveyance space M of the paper sheet conveyance path 1, as shown in the upper left of FIG. It may be pressed so as to be close to the proximal end 33A. In other words, the distal end portions 33B of the pair of resilient engagement pieces 33 provided on the upper and lower sides of the cover main body 31 and the joint main body 41 may be elastically deformed by pressing in directions away from each other. When the distal end portion 33B of the elastic engagement piece 33 elastically deforms toward the proximal end portion 33A, the engagement surface 34b of each of the claws 34 moves out of the opposing area of the engagement convex portion 14d. On the other hand, when the transport cover 30 and the joint main body 41 are pulled apart, the transport cover 30 and the joint main body 41 can be removed from the frame 10 to open the transport space M.

  In this case, according to the paper sheet conveyance path 1 of the present embodiment, since the plurality of conveyance covers 30 having a unit length are arranged in parallel along the longitudinal direction of the frame 10, maintenance inspection is necessary. Since it is possible to open the transfer space M at only a certain place and it is not necessary to handle the large transfer cover 30, it is possible to carry out the work easily and efficiently. Moreover, in the above-described paper sheet conveyance path 1, the joint member 40 having the connection projection 42 disposed in the connection groove 38 of the cover main body 31 is disposed between the adjacent conveyance covers 30. As a result, there is no risk of problems related to transport reliability, such as banknotes being caught and jammed at the connecting portions of the transport covers 30 with each other.

  That is, in the connection portion between the transport cover 30 and the joint member 40, the end face of the cover main body 31 orthogonal to the longitudinal direction of the frame 10 and the end face of the joint member 40 become discontinuous and the end surface becomes discontinuous. Since the banknotes are arranged at mutually shifted positions along the banknote transport direction, there is no possibility that the tip end of the transported banknotes will be caught and clogged on these end surfaces. Further, since the transport cover 30 and the joint member 40 are in a state of being engaged with each other by the connecting projection 42, the connection strength between the transport cover 30 and the joint member 40 can be improved.

  Reference numeral 50 in FIG. 9 denotes a spacer member applied when adjusting the length of the conveyance cover 30 with respect to the frame 10. The spacer member 50 includes a spacer main body 51 configured to be wider than the joint main body 41 of the joint member 40, four connecting notches 52 provided on one side of the spacer main body 51, and the other side of the spacer main body 51. And four projecting connecting projections 53. The spacer main body 51 has the same length as the vertical height of the cover main body 31 and has substantially the same plate thickness as the cover main body 31. In the spacer main body 51, an operation hole 32 and an elastic engagement piece 33 are provided in a portion facing the engagement groove portion 14 of the frame 10. The operation hole 32 and the elastic engagement piece 33 both have the same configuration as those provided on the conveyance cover 30, and therefore, the same reference numerals are given and the detailed description thereof will be omitted. The connection notch 52 is an opening provided corresponding to the connection projection 42 of the joint main body 41. The connection projection 53 is a projection formed at a portion corresponding to the connection groove 38 of the cover main body 31. When the connection projections 53 are disposed in the corresponding connection groove 38 of the cover main body 31 or the connection cutout 52 of another spacer member 50, the front surface facing the frame 10 is the front surface of the cover main body 31 or another And the same height as the front surface of the spacer member 50 of FIG.

  When only one spacer member 50 is interposed between the transport cover 30 and the joint member 40, the length of the transport cover 30 is the distance from the end surface of the connection notch 52 to the end surface of the connection projection 53. Can be extended and adjusted. Similarly, when two spacer members 50 are interposed between the conveyance cover 30 and the joint member 40, the conveyance cover is twice as large as the distance from the end face of the connection notch 52 to the end face of the connection protrusion 53. The length of 30 can be extended and adjusted. Moreover, since the connection notch 52 is provided on one side of the spacer main body 51 and the connection projection 53 is provided on the other side of the spacer main body 51, the portion provided with the spacer member 50 as in the above. There is no risk of problems related to transport reliability, such as jamming and jamming of banknotes.

  In the above-described embodiment, the paper sheet conveyance path for conveying the bill is illustrated, but it is of course possible to apply to other paper sheet conveyance. Further, although the paper sheet is conveyed along the horizontal direction in the landscape orientation, the conveyance posture and conveyance direction of the paper sheet are not necessarily limited to these. Furthermore, although the conveyance cover is attached to the both sides of the frame and two conveyance spaces are configured, the conveyance cover may be provided only on one side of the frame.

  In the above-described embodiment, the engagement between the elastic engagement piece and the frame is released through the operation hole provided in the cover member, but the hole does not necessarily have to be provided. Alternatively, the engagement between the resilient engagement piece and the frame may be released through the notched portion. Furthermore, although an example in which the tip end portion having the claw portion and the base end portion are curved by 180 ° is illustrated as an elastic engagement piece, if the engagement state with the frame can be released through the operation notch, The shape of the elastic engagement piece is not limited to the one bent 180 degrees, and for example, the elastic engagement piece may be provided so as to extend linearly. Further, although the claws are provided on opposite sides of the elastic engagement pieces provided at the upper and lower sides, the positions where the claws are provided may be on the opposite side.

  In the embodiment described above, since the transport cover is vertically symmetrical with respect to a plane which bisects horizontally, the transport cover can be mounted upside down and mounted on the frame. Since the right and left sides are symmetrical with respect to the equally dividing surface, it is possible to attach it also to the opposite surface of the frame, so that it is possible to prevent erroneous assembly of parts and to share parts. However, it is not necessarily limited to this.

1 sheet conveyance path 10 frame 20 conveyance traveling body 30 conveyance cover 32 operation hole 33 elastic engagement piece 34 claw portion 37 stopper piece M conveyance space

Claims (2)

It has a frame provided with a transport mechanism, and a resilient engagement piece detachably engaged with the frame, and is transported between the frame when attached to the frame via the resilient engagement piece And a cover member for forming a space, wherein the sheet conveyance path is capable of conveying a sheet along the conveyance space when the conveyance mechanism is driven,
The frame and the cover member constitute the conveyance space so as to convey the sheet along the horizontal direction in the horizontal upright standing posture, and the elastic engagement piece of the cover member is the upper edge of the cover member It is provided to be paired with the part and the lower edge,
The elastic engagement piece is provided so as to protrude toward the frame only from the front surface of the cover member facing the frame, and elastic forms a pair provided at the upper edge and the lower edge of the cover member. The engagement piece has claws engaged with the frame at portions that are inward of each other,
It said cover member is in together when from the rear in direction is elastically deformed away from each other the elastic engagement pieces to sites across the front provided a notch for operating the engagement state becomes releasable with the frame, front Stories A paper sheet conveying path characterized in that a stopper piece is provided which engages with and contacts the frame when the cover member is attached to the frame, thereby preventing relative movement along the upper and lower sides with the frame. .   The elastic engagement piece is protruded from the front surface of the cover member toward the frame, and is then curved so that its tip is separated from the frame and positioned inside the operation notch, and the curved portion 2. The paper sheet conveyance path according to claim 1, further comprising a claw portion engaged with the frame on an outer surface of a portion exposed to the outside of the operation notch between the tip end and the tip.

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