JP7206703B2 - Showcase - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a showcase, and more particularly, to a showcase in which a plurality of shelves for displaying merchandise are vertically installed inside a case body.

This type of showcase has a plurality of shelves vertically installed inside the case body, and includes a bracket member, a slide mechanism, and a shelf board. The shelf board is assembled to the bracket member via the slide mechanism. configured (also referred to as a shelf assembly). The bracket member is in the form of a substantially right-angled triangle, the base of which is positioned rearward and faces the vertical direction, while the oblique side is positioned downward, and the side connecting the tip of the oblique side and the right-angled portion of the base is horizontal and faces forward. a pair of left and right shelves arranged in the same manner as above and provided with a plurality of locking pieces vertically dispersed and protruding rearward from the bottom (rear end) of the case body, the locking pieces being arranged on the back side inside the case main body. It is a pair of left and right pillars which are locked by engaging with locking holes drilled in the front surface of the column at regular intervals in the vertical direction. The shelf board is in the form of a rectangular flat plate whose upper surface constitutes a placement surface for placing products, and is attached to each bracket member via a slide mechanism so that the shelf board straddles between these bracket members. erected. Such a shelf plate is movable back and forth in the front-rear direction with respect to a bracket member locked to a pair of left and right shelf supports by a slide mechanism (see, for example, Patent Document 1).

Here, in the shelf assembly, the locking pieces provided at the rear ends of the pair of left and right bracket members are engaged with arbitrary locking holes of the locking holes formed in the pair of left and right shelf posts at predetermined intervals in the vertical direction. Thus, the installation position can be arbitrarily set (adjusted). The work of installing the shelf assembly at the desired vertical shelf mounting position inside the case body, that is, the desired locking of the locking pieces provided at the rear ends of the bracket members drilled in the pair of left and right shelf supports. In order to engage the holes, the locking pieces provided at the rear ends of the bracket members are visually engaged while supporting the shelf assembly by hand into arbitrary locking holes drilled in the pair of left and right shelf supports. performed by In this case, the pitch between the plurality of locking pieces dispersedly provided at the rear ends of the pair of left and right bracket members is the pitch of the locking holes drilled vertically at predetermined intervals in the pair of left and right shelf supports. (n is a positive number), and one of the plurality of locking pieces (for example, the uppermost locking piece) is engaged with the locking hole drilled in the shelf support When the uppermost locking piece is engaged, the remaining locking pieces are configured to engage with the locking hole located below the locking hole engaged by the uppermost locking piece.

JP-A-8-66278

By the way, at the rear end of the rectangular plate-like shelf board on which the products are placed, a fall-preventing wall is formed so as to stand up from the surface of the rectangular plate to prevent the products from rolling down. When the shelf board of the shelf assembly is retracted, the fall prevention wall of the shelf board is located in the vicinity of the rear end of the bracket member. The plurality of locking pieces provided at the rear end of the bracket member obstructs the view of the uppermost locking piece among the plurality of locking pieces provided at the rear end, and is visually observed from the upper side of the shelf assembly. must be groped in order to engage with arbitrary locking holes drilled in a pair of left and right shelf supports. In this case, when the shelf assembly can be viewed from the front lower side, the lowest locking piece of the plurality of locking pieces provided at the rear end of the bracket member is drilled into the shelf support. The remaining locking pieces can also be engaged with locking holes located above the locking hole engaged by the lowest locking piece by engaging with any locking hole. The range in which the operator can look into from the front and lower side is limited, and the operator is forced to take an unreasonable posture.

When the shelf board of the shelf assembly is advanced, the fall prevention wall of the shelf board is separated from the rear end of the bracket member. It is possible to engage the locking pieces with desired locking holes drilled in the pair of left and right shelf supports. However, since the width of the shelf assembly in the front-rear direction increases when the shelf board is extended, the locking pieces of the pair of left and right bracket members are engaged with the locking holes drilled in the pair of left and right shelf supports. As the visual distance becomes longer, the shelf assembly must be supported while maintaining a balance so that the locking pieces of the pair of left and right bracket members face the locking holes drilled in the pair of left and right shelf supports. is bad.

In order to solve this problem, it is conceivable to configure the uppermost locking piece of the plurality of locking pieces provided at the rear end of the bracket member so as to be positioned above the fall prevention wall of the shelf board. . However, in this case, in order to form the uppermost locking piece, an arm-like connecting portion that rises upward must be provided at the rear portion of the side that connects the tip of the oblique side of the substantially right-angled triangular bracket member and the right-angled portion of the base. Otherwise, the display space inside the case body is reduced by the width (length in the front-rear direction) of the connecting portion, and the design of the bracket member itself must be changed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to solve the above problems and to provide a showcase in which product shelves can be easily installed inside the case body.

In order to achieve the above object, the invention according to claim 1 provides a pair of left and right bracket members arranged inside a case body having an opening on the front surface, and a bracket member arranged in a manner straddling between these bracket members. a shelf plate having a fall prevention wall formed at the rear end thereof to prevent products from rolling down; fixed side rail members are fixed to the pair of left and right bracket members; Composed of an assembly of slide rails to which rail members are fixed, the slide rail allows the shelf member to slide between a retracted position and an advanced position with respect to the bracket member, and the product placement is movable forward and backward. A shelf is provided, and the product placement shelf has a plurality of locking pieces protruding rearward from the rear end portions of the pair of left and right bracket members and formed vertically dispersedly along the back plate inside the case body. A showcase configured to be erected at a desired shelf mounting position by inserting into locking holes drilled vertically at regular pitches along the front surface of a pair of left and right shelf supports, wherein A locking member attached to a fixed side member of a product placement shelf, and a locking member mounted to a movable side member of the product placement shelf and capable of being engaged with and disengaged from the locking member so that the shelf board is moved to a retracted position. and a stopper mechanism comprising an engaging member that engages with the locking member to temporarily fix the shelf board at the intermediate position during sliding movement from the shelf toward the advanced position , wherein the locking member of the stopper mechanism It has a convex first locking portion having a sliding slope portion that rises and falls in the sliding movement direction of the shelf plate, and the engaging member abuts on the sliding slope portion of the first locking portion of the locking member. It is made of an elastic member that is elastically deformed by force and has a fitting portion that is fitted to the first locking portion, and the shelf plate is attached in a state where the fitting portion is fitted to the first locking portion of the locking member. It is characterized by being temporarily fixed .

Further, the invention according to claim 2 is the showcase according to claim 1 , wherein the locking member includes a sliding slope portion that rises from the front side toward the rear side and a sliding slope portion that extends vertically from the vertex of the sliding slope portion. The engaging member has an operating portion operated to elastically deform the engaging member at its front end, and the shelf member retracts. It has a stopper piece that engages with the engaging portion of the second engaging portion in a state of being retracted to the position, and the stopper piece is engaged with the second engaging portion when the shelf member is slid from the advanced position or the intermediate position toward the retracted position. When the stopper piece comes into contact with the sliding portion of the locking portion, it is elastically deformed so as to move up the sliding portion. It is characterized in that, while engaging, the stopper piece is elastically deformed by the operation of the operating portion to release the engagement state of the second locking portion of the stopper piece with the locking portion.

Further, the invention according to claim 3 is the showcase according to claim 1, wherein the locking member of the stopper mechanism moves the convex first locking portion to an upward projecting position and a downward retracting position. so that when the product placement shelf is installed at a desired shelf mounting position, the convex first locking portion of the locking member moves downward to the retracted position. It is characterized by comprising a stopper restricting means for permitting and automatically invalidating the operation of the stopper mechanism.

According to a fourth aspect of the present invention, there is provided the showcase according to the third aspect, wherein the stopper restricting means is configured such that locking pieces formed at the rear end portions of the pair of left and right bracket members are drilled into the pair of left and right shelf supports. When the product mounting shelf is erected at the shelf mounting position by inserting it into the locking hole formed in the product mounting bracket, the convex first locking portion of the locking member is allowed to move downward to the retracted position. The operation mechanism is characterized in that, when the shelf is removed from a desired shelf mounting position, the convex first locking portion of the locking member is moved to an upward projecting position and held in that state. do.

Further, the invention according to claim 5 is the showcase according to claim 4 , wherein the operation mechanism is rotatably pivotally supported on the rear part of the fixed side member of the product placement shelf, and the product is placed by biasing means. A pair of left and right shelf supports are urged to rotate so as to protrude rearward from the rear end of the fixed side member of the shelf, and locking pieces formed at the rear ends of the pair of bracket members are perforated. A cam that rotates in such a manner that it abuts against the back plate and retreats to the rear end portion of the fixed side member of the product placement shelf when the product placement shelf is installed at the shelf mounting position by being inserted into the locking hole, and the cam is engaged with the cam. The operating mechanism comprises a link member that connects the stop member and the operating mechanism, and when the cam rotates in such a manner that the cam retreats to the rear end of the fixed side member of the product placement shelf while the product placement shelf is installed at the shelf mounting position. A state in which the locking member is allowed to swing in such a manner that the convex first locking portion of the locking member moves downward via the link member, and the commodity shelf is removed from the shelf mounting position. Then, when the cam is rotated by the urging means so as to protrude rearward from the rear end of the fixed side member of the product shelf, the convex first locking portion of the locking member is pushed upward through the link member. It is characterized in that the locking member is held in a swinging state in such a manner that the locking member moves to the

According to the showcase according to claim 1 of the present invention, a pair of left and right bracket members disposed inside a case body having an opening on the front surface, and a pair of left and right bracket members disposed in a manner straddling between the bracket members A shelf plate having a fall-prevention wall formed at the rear end thereof to prevent products from rolling down; fixed-side rail members are fixed to the pair of left and right bracket members; Composed of a slide rail assembly to which a member is fixed, the shelf plate is movable back and forth in a forward and rearward direction in a mode in which the shelf plate slides with respect to the bracket member between a retracted position and an advanced position by the slide rail. and the product placement shelf has a plurality of locking pieces protruding rearward from the rear ends of the pair of left and right bracket members and formed vertically dispersedly along the back plate inside the case body. A showcase configured to be erected at a desired shelf mounting position by inserting into locking holes drilled vertically at regular pitches along the front surface of a pair of left and right shelf supports, wherein a locking member attached to a fixed side member of the placing shelf; and a locking member attached to a movable side member of the product placing shelf, capable of being engaged with and disengaged from the locking member, and capable of moving the shelf board from the retracted position. and a stopper mechanism including an engaging member that engages with the locking member to temporarily fix the shelf board at the intermediate position during sliding movement toward the advanced position, wherein the locking member of the stopper mechanism It has a convex first engaging portion having a sliding slope portion that rises and falls in the sliding movement direction of the plate, and the engaging member abuts on the sliding slope portion of the first engaging portion of the locking member. It is made of an elastic member that can be elastically deformed and has a fitting portion that fits into the first locking portion, and the shelf board is temporarily held in a state in which the fitting portion is fitted to the first locking portion of the locking member. By fixing the shelf board, it becomes possible to temporarily fix the shelf board in the middle of sliding movement from the retracted position toward the advanced position. If it is temporarily fixed in place, the fall prevention wall formed at the rear end of the shelf moves forward from the retracted position, and the uppermost engagement piece among the plurality of locking pieces provided at the rear ends of the pair of left and right bracket members is engaged. Since the locking pieces can be easily seen, the locking pieces of the pair of left and right bracket members are engaged with the locking holes drilled in the pair of left and right shelf supports to attach the product shelf to the case body. There is an effect that it is possible to improve the workability of erecting inside the. Moreover, since it is only necessary to additionally equip the locking member and the engaging member, there is an effect that there is no need to change the design of the component parts of the product placement shelf.

Further, according to the showcase according to claim 1 of the present invention, in the showcase according to claim 1, the locking member is a convex shape having a sliding slope portion that goes up and down in the sliding movement direction of the shelf board. It has a first locking portion, and the engaging member is made of an elastic member that is elastically deformed by coming into contact with the sliding slope portion of the first locking portion of the locking member, and is fitted to the first locking portion. By configuring the shelf board to be temporarily fixed in a state in which the fitting portion is fitted to the first locking portion of the locking member, the locking member of the engaging member Since the engagement and disengagement can be performed by elastic deformation of the engagement member, there is an effect that it can be realized only by sliding the shelf board in the front-rear direction.

According to the showcase according to claim 2 of the present invention, in the showcase according to claim 1 , the locking member includes an upward sliding slope portion from the front side toward the rear side and the sliding slope portion. The engaging member has an operating portion operated to elastically deform the engaging member at the front end thereof. and has a stopper piece that engages with the locking portion of the second locking portion when the shelf member is retracted to the retracted position, and when the shelf member is slid from the advanced position or the intermediate position toward the retracted position. When the stopper piece comes into contact with the sliding portion of the second locking portion, it is elastically deformed so as to move up the sliding portion. While engaging with the engaging portion of the second engaging portion of the stopper piece, the second engaging portion of the stopper piece is elastically deformed by the operation of the operation portion to release the engaging state of the second engaging portion with the engaging portion. The stopping member and the engaging member may be provided with a function of temporarily fixing the shelf board at a position in the middle of sliding movement from the retracted position toward the advanced position and a function of locking and fixing the shelf board at the retracted position. It has the effect of being able to

According to the showcase according to claim 3 of the present invention, in the showcase according to claim 1, the locking member of the stopper mechanism is configured such that the convex first locking portion thereof is positioned at an upward projecting position. It is pivotally supported so that it can be moved to a lower retracted position, and when the product placement shelf is installed at a desired shelf mounting position, the convex first locking portion of the locking member moves downward. By providing a stopper restricting means for automatically disabling the operation of the stopper mechanism by permitting movement to the retracted position, the action of the stopper mechanism is inhibited when the product shelf is erected at the shelf mounting position of the shelf support. When the shelf board is slid toward the advanced position, the shelf board bounces due to the impact of engagement and disengagement of the engaging member with the locking member, which occurs when the action of the stopper mechanism is not limited. There is an effect that the shelves can be moved smoothly without fear that the products will fall or the products will be out of order.

According to the showcase according to claim 4 of the present invention, in the showcase according to claim 3 , the stopper restricting means includes a pair of left and right locking pieces formed at the rear end portions of the left and right bracket members. When the article mounting shelf is erected at the shelf mounting position by inserting it into the locking hole drilled in the shelf post, the convex first locking portion of the locking member moves downward to the retracted position. On the other hand, in a state in which the product placement shelf is removed from the desired shelf mounting position, the convex first locking portion of the locking member is moved to an upward projecting position and held in that state. In the state in which the product placement shelf is removed from the inside of the case body, the shelf is engaged with the locking member of the engaging member and is positioned in the middle of sliding movement of the shelf board from the retracted position toward the advanced position. While it can be temporarily fixed, there is an effect that the engagement and disengagement of the engaging member with the locking member can be automatically invalidated in a state in which the product shelf is installed inside the case body.

According to the showcase of claim 5 of the present invention, in the showcase of claim 4 , the operating mechanism is rotatably pivotally supported on the rear portion of the fixed side member of the product placement shelf. A pair of left and right bracket members are biased by the biasing means to rotate so as to protrude rearward from the rear end of the fixed side member of the product placement shelf. When the article mounting shelf is installed at the shelf mounting position by inserting it into the locking hole drilled in the shelf post, it abuts against the back plate and rotates in a manner to retreat to the rear end portion of the fixed side member of the article mounting shelf. The operating mechanism consists of a cam and a link member that connects the cam and the engaging member. The operation mechanism is such that the cam moves the rear end of the fixed side member of the product placement shelf when the product placement shelf is installed at the shelf mounting position. When the locking member is rotated in a retracted manner, the convex first locking portion of the locking member moves downward via the link member. When the cam is rotated by the urging means so as to protrude rearward from the rear end portion of the fixed side member of the article placing shelf in the state of being removed from the shelf mounting position, the convex shape of the locking member is pushed through the link member. By holding the locking member in a state in which the locking member is rocked while the first locking portion moves upward, the operating mechanism can be operated by a simple configuration of a cam, biasing means for biasing the cam, and a link member. It has the effect that it can be realized.

BRIEF DESCRIPTION OF THE DRAWINGS It is a cross-sectional side view which shows the showcase which is Embodiment 1 of this invention. FIG. 10 is a perspective view of the product placement shelf according to the first embodiment, shown with a pair of right and left shelf supports, and showing a state in which the shelf plate of the product placement shelf is slid from the retracted position to the intermediate position toward the advanced position, as viewed obliquely from the upper right; is. FIG. 3 shows the product placement shelf of FIG. 2 together with a pair of left and right shelf supports, (a) is a perspective view seen from the obliquely lower right side, and (b) is an enlarged perspective view showing an enlarged main part of (a). . FIG. 3 is an exploded perspective view of one product placement shelf shown in FIG. 2; The shelf board shown in FIG. 2 is shown, (a) is the exploded view, (b) is the assembly drawing of the shelf board seen from the diagonal lower right. It is a perspective view of a locking member. It is a perspective view of an engaging member. FIG. 2 shows a state in which the shelf plate of the product placement shelf in FIG. It is a perspective view of the principal part which shows the relationship between a board and a stopper mechanism. FIG. 2 shows a state in which the shelf plate of the product placement shelf is stopped at an intermediate position, (a) is a side view of the structural members including the bracket member on the left side thereof, and (b) is a bracket member and the shelf. It is a perspective view of the principal part which shows the relationship between a board and a stopper mechanism. FIG. 2 shows a state in which the shelf plate of the product placement shelf of FIG. 2 has been advanced to the advanced position, (a) is a side view of the structural members including the bracket member on the left side thereof, and (b) is a bracket member and the shelf. It is a perspective view of the principal part which shows the relationship between a board and a stopper mechanism. FIG. 11 is a side view of a product shelf in a showcase according to a second embodiment of the present invention, and is a side view of constituent members including a left bracket member in a state in which the shelf board of the product shelf is retracted to a retracted position, as viewed from the inside. is. 12 shows the stopper restricting means shown in FIG. 11, (a) is a perspective view thereof, and (b) is an exploded view of (a). FIG. FIG. 12 is a side view seen from the inside of constituent members including the left bracket member in a state where the shelf board of the product placement shelf shown in FIG. 11 is stopped at an intermediate position; FIG. 14 is a side view seen from the inside of constituent members including the left bracket member in a state where the product placement shelf shown in FIG. 13 is attached to the shelf support; FIG. 15 is a side view seen from the inside of components including the left bracket member in a state where the shelf board of the product placement shelf shown in FIG. 14 is retracted to a retracted position;

A preferred embodiment of a showcase according to the present invention will be described in detail below with reference to the accompanying drawings.

<Embodiment 1>
FIG. 1 is a cross-sectional side view showing a showcase that is Embodiment 1 of the present invention. The showcase exemplified here is one in which commodities to be sold at a store such as a convenience store are stored inside the case main body 1 . Embodiment 1 particularly exemplifies a refrigerating showcase for storing products requiring refrigeration.

As shown in FIG. 1, in this showcase, a back plate 2 is provided inside a case body 1 to form a ventilation duct 3 between the back plate 2 and the rear wall 1a of the case body 1. A storage room 4 is configured in front of the housing. An evaporator 5 and a blower fan 6 are arranged inside the ventilation duct 3 . The evaporator 5 constitutes a refrigerating cycle together with a condensing unit (not shown) arranged in the lower part of the case body 1, and exchanges heat with air passing therethrough. In this showcase, when a condensing unit (not shown) and a blower fan 6 are driven, the air passing through the evaporator 5 is circulated and supplied to the storage room 4 through the ventilation duct 3, and the storage room 4 reaches a desired refrigeration temperature. will be maintained.

The case body 1 has a box-like shape with an opening in the front (hereinafter also referred to as a front opening), and the storage chamber 4 is provided with a plurality of shelves 10 for placing articles. Since the product placement shelves 10 on each stage of the storage room 4 have the same configuration, one product placement shelf 10 will be described below.

FIGS. 2 and 3 each show one product placement shelf 10 shown in FIG. 1 together with a pair of left and right shelf supports 7. FIG. 2 is a perspective view seen obliquely from above on the right side, and FIG. 3 is a perspective view seen obliquely from below on the right side, and FIG. 3(b) is an enlarged perspective view showing the essential part of FIG. 3(a). As shown in FIGS. 2 and 3, the product placement shelf 10 comprises a pair of left and right bracket members 11, 11, slide rails 12, 12 and a shelf board 13 (referred to as a shelf assembly). is held at the retracted position and at an intermediate position during the sliding movement from the retracted position to the advanced position. The pair of left and right bracket members 11, 11, the slide rails 12, 12, and the stopper mechanism 18 consisting of the locking members 16, 16 and the engaging members 17, 17 are bilaterally symmetrical. The constituent members on the left side will be explained, and the explanation on the constituent members on the right side will be omitted.

The bracket members 11 are arranged so as to protrude forward from the shelf supports 7 attached to the left and right sides of the back plate 2 . That is, the left and right bracket members 11 are a pair of right and left bracket members that are arranged in the storage chamber 4 inside the case body 1 so as to be separated from each other and facing forward. For the sake of convenience, the direction in which the pair of left and right bracket members 11 approach each other will be referred to as the inner side, and the direction in which they are separated from each other will be referred to as the outer side. Locking holes 7a are formed in the front surface of the shelf support 7 at regular intervals in the vertical direction.

As shown in FIG. 4, the bracket member 11 is in the form of a substantially right-angled triangle, the base of which is positioned rearward and faces the vertical direction, while the oblique side is positioned downward, forming a right-angled portion between the tip of the oblique side and the base. are arranged in such a manner that the side connecting the is horizontal and faces forward. The bracket member 11 is formed with a plurality of locking pieces 11a that protrude rearward from the rear end portion serving as the bottom side of the bracket member 11, and are dispersed in the vertical direction. These locking pieces 11a can be arbitrarily inserted into locking holes 7a provided on the front surface of the shelf support 7, and the pitches between the plurality of locking pieces 11a dispersed in the vertical direction are locked. It is formed so as to match n times the pitch of the holes 7a (where n is a positive number). Therefore, when one of the plurality of locking pieces 11a (for example, the uppermost locking piece 11a) is engaged with one of the locking holes 7a drilled in the shelf support 7, the rest of the locking pieces are engaged. 11a is also configured to engage with the locking hole 7a located below the locking hole 7a with which the uppermost locking piece 11a is engaged. When the locking piece 11a is inserted into the locking hole 7a of the shelf support 7, the rear end portion of the bracket member 11 comes into contact with the front surface of the shelf support 7, and the bracket member 11 is attached to the shelf support 7 at an arbitrary position. can be supported in a substantially horizontal cantilevered state at a height of

A fixed piece 11b facing inward is formed on the upper side of the rear end side of the bracket member 11, respectively. Both ends of a connecting plate 14 connecting the pair of left and right bracket members 11, 11 are fixed to the fixing pieces 11b, 11b. The connection plate 14 is configured to maintain a constant distance between the pair of left and right bracket members 11 , 11 .

The slide rail 12 has a substantially C-shaped cross section, and has a longitudinally elongated fixed-side rail member 121 having upper and lower curved portions as guide grooves for balls (steel balls). A movable rail member 122 formed in a manner similar to that of the rail member 121 and arranged opposite to the fixed rail member 121; Also, the movable-side rail member 122 slides while holding a plurality of balls facing the guide grooves of the fixed-side rail member 121 and the movable-side rail member 122 , and the movable-side rail member 122 slides relative to the fixed-side rail member 121 . is well known with a sliding member (not shown) that allows

The slide rail 12 is covered and protected by a protective frame 15 . The protection frame 15 is made of a sheet metal elongated in the front-rear direction and has a substantially U-shaped cross section, and is one size larger than the slide rail 12 . The protective frame 15 is integrated with the bracket member 11 by fixing one (outer) leg portion 151 to the bracket member 11 . The fixed-side rail member 121 of the slide rail 12 is fixed to the bracket member 11 in such a manner that it is arranged inside the leg portion 151 of the protective frame 15 integrally fixed to the bracket member 11, and the slide rail 12 is It is configured to be integrated with the bracket member 11 . A shelf plate 13 is attached to the movable rail member 122 of the slide rail 12, which will be described later. The rear end side of the other (inner) leg portion 152 of the protective frame 15 is notched in order to prevent interference with the fixed piece 11b of the bracket member 11. As shown in FIG.

As shown in FIG. 5, the shelf board 13 is formed in a rectangular flat plate shape having a size extending over the pair of left and right bracket members 11, 11, and the flat plate surface constitutes a mounting surface on which merchandise to be sold is mounted. are doing. Left and right side walls 131, 131 of the shelf board 13 are located outside the pair of left and right bracket members 11, 11. As shown in FIG. At the rear end of the product placement surface of the shelf board 13, a fall prevention wall 132 for preventing the product from rolling down is formed in a manner that rises from the placement surface. The front end of the mounting surface of the shelf board 13 is formed as a front wall 133 extending downward, and a decorative frame (not shown) is attached to the front wall 133 .

Rail connecting members 134, 134 elongated in the front-rear direction are provided on the lower surface of the shelf board 13 and inside the left and right side walls 131, 131. As shown in FIG. The rail connecting member 134 is made of sheet metal and consists of an upper wall portion 1341 and an inner side wall portion 1342 . The rail connecting member 134 is assembled integrally with the shelf board 13 by fixing the upper wall portion 1341 to the lower surface of the shelf board 13 . In this case, the inner side wall portion 1342 of the rail connecting member 134 is positioned inside the protective frame 15 and positioned inside the movable side rail member 122 of the slide rail 12 , and the upper side wall portion 1341 is fixed to the lower surface of the shelf plate 13 . be done. By connecting the inner side wall portion 1342 of the rail connecting member 134 to the movable rail member 122 of the slide rail 12, the shelf 13 can be slidably moved relative to the bracket member 11 via the slide rail 12. .

A reinforcing member 135 having a dish-shaped cross section and elongated in the left-right direction is fixed to the lower surface of the shelf plate 13 at an approximately intermediate position in the front-rear direction. A length of light fixture 136 is affixed. An illumination unit containing an LED is attached to the illumination lamp fixture 136, but the illustration of the illumination unit is omitted.

A locking member 16 constituting a stopper mechanism 18 for holding the shelf plate 13 in the retracted position and in the middle of sliding movement from the retracted position to the advanced position is, as shown in FIG. It is made of a steel plate, and has screw insertion holes 16a, 16a at its front and rear ends. Of the front and rear screw insertion holes 16a, 16a, the rear screw insertion hole 16a is formed as an arc-shaped elongated hole with the front screw insertion hole 16a as a fulcrum so that vertical position adjustment is possible. A convex first engaging portion 162 having sliding slope portions 161, 161 that rise and fall in the sliding movement direction of the shelf plate 13 is formed on the upper edge of the rear end side of the engaging member 16. As shown in FIG. Further, on the upper edge of the front end side of the locking member 16, a sliding slope portion 163 rising from the front side to the rear side and a locking portion 164 extending vertically from the vertex of the sliding slope portion 163 are provided. A sawtooth-shaped second locking portion 165 is formed.

The locking member 16 is screwed to the other (inner) leg portion 152 of the protective frame 15 as a fixed side member of the product shelf. In this case, the locking member 16 is screwed to the leg portion 152 such that the first locking portion 162 and the second locking portion 165 protrude upward from the upper edge of the leg portion 152 .

The engaging member 17 constituting a stopper mechanism 18 for holding the shelf board 13 in the retracted position and in the middle of the sliding movement from the retracted position to the advanced position is, as shown in FIG. A plurality of screw insertion holes 17a are perforated in the band-like intermediate portion within a range that does not impair the elastic deformation on both front and rear ends. A fitting portion 171 is formed on the rear end side of the engaging member 17 so as to protrude outward and undulate in the vertical direction so as to be fitted to the first engaging portion 162 of the engaging member 16 . Further, the front end of the engaging member 17 is provided with an operating portion 172 formed by bending downward. Further, a stopper piece 173 projecting outward is formed on the rear side of the operating portion 172 of the engaging member 17 .

The engaging member 17 is screwed to a reinforcing member 135 fixed to the lower surface of the shelf 13 and moves forward and backward as the shelf 13 slides. The fitting portion 171 and the stopper piece 173 of the engaging member 17 are arranged so as to cross the first engaging portion 162 and the second engaging portion 165 of the engaging member 16 when the engaging member 17 slides in the front-rear direction. It is arranged in.

Product placement shelf 10 comprising a pair of left and right bracket members 11, 11, slide rails 12, 12, and shelf board 13 (shelf assembly) is provided inside bracket member 11 and on one side (outside) of protective frame 15. The fixed side rail member 121 of the slide rail 12 is fixed via the leg portion 151 of the bracket member 11, and the shelf plate 13 is attached to the movable side rail member 122 of the slide rail 12 which is fixed to the bracket member 11 via the fixed side rail member 121. The rail connecting member 134 provided on the side is fixed, the locking member 16 is fixed to the other (inner) leg portion 152 of the protective frame 15 covering the slide rail 12, and the reinforcing member 135 provided on the lower surface of the shelf board 13 The engaging member 17 is fixed.

In the product placement shelf (shelf assembly) 10 having such a configuration, the shelf plate 13 is slidable between a retracted position and an advanced position with respect to the bracket member 11 by means of the slide rail 12. The bracket member 11 and the shelf plate 13. The relationship between the locking member 16 and the stopper mechanism 18 consisting of the engaging member 17 will be described with reference to FIGS. 8 to 10. FIG. FIG. 8 shows a state in which the shelf plate 13 of the product placement shelf 10 has been retracted to the retracted position, (a) is a side view of components including the left bracket member as seen from the inside, and (b) is a bracket member 11. 9 is a perspective view of the main part showing the relationship between the shelf plate 13 and the stopper mechanism 18, FIG. 9 shows a state in which the shelf plate 13 is stopped at an intermediate position from the shelf assembly 10, and (a) shows the configuration including the left bracket member. (b) is a perspective view of the main part showing the relationship between the bracket member 11, the shelf board 13 and the stopper mechanism 18, and FIG. 10 is the shelf board 13 advanced from the shelf assembly to the advanced position. (a) is a side view seen from the inside of the components including the bracket member on the left side in front view, and (b) is a perspective view of the main part showing the relationship between the bracket member 11, the shelf board 13 and the stopper mechanism. is. 8 to 10B show only the rail connecting member 134 provided on the lower surface of the shelf plate 13 in order to make the stopper mechanism easier to see.

As shown in FIG. 8 , when the shelf plate 13 is retracted to the retracted position with respect to the bracket member 11 , the stopper piece 173 of the engaging member 17 is engaged with the locking portion of the second locking portion 165 of the locking member 16 . 164 to hold the shelf 13 in the retracted position. When the shelf board 13 is to be moved from the retracted position to the advanced position, the lower end of the operating portion 172 formed at the front end of the engaging member 17 is lifted upward with a finger to elastically deform the engaging member. 17 of the stopper piece 173 is separated from the locking portion 164 of the second locking portion 165 of the locking member 16 . When the shelf plate 13 is moved toward the advanced position in a state where the stopper piece 173 of the engaging member 17 is disengaged from the locking portion 164 of the second locking portion 165 of the locking member 16 , the shelf relative to the bracket member 11 is removed. The plate 13 moves toward the advanced position. While the shelf plate 13 is slid from the retracted position to the advanced position, the lower edge of the front side of the vertically undulating fitting portion 171 provided on the rear end side of the engaging member 17 so as to protrude outward. When the convex first locking portion 162 provided on the rear end side of the locking member 16 abuts against the sliding slope portion 161 on the rear side, the engaging member 17 is elastically deformed upward and forward of the fitting portion 171 . When the lower edge of the side gets over the sliding slope portion 161 on the rear side of the convex first locking portion 162 provided on the rear end side of the locking member 16, the engaging member 17 is restored and the fitting portion 171 is engaged. The locking member 16 is engaged with the convex first engaging portion 162 provided on the rear end side of the stopper member 16 (see FIG. 9). When the movement of the shelf plate 13 is stopped, the shelf board 13 is temporarily held at a midway position during sliding movement from the retracted position to the advanced position.

The engaging portion 171 of the engaging member 17 is disengaged from the first engaging portion 162 of the engaging member 16 . When a force is applied to the shelf plate 13 so as to get over the sliding slope portion 161 on the rear side of the first locking portion 162, the engaging member 17 is elastically deformed upward and temporarily hold is released. After that, when the shelf board 13 is moved toward the advanced position, it advances to the advanced position by the function of the slide rail 12 (see FIG. 10). When the shelf plate 13 advanced to the advanced position is moved to the retracted position, the fitting portion 171 of the engaging member 17 is elastically deformed so that the first engaging portion 171 of the engaging member 16 is moved. The stopper piece 173 of the engaging member 17 climbs over the sliding slope portion 161 of the portion 162 and engages with the locking portion 164 by climbing over the sliding slope portion 163 of the second locking portion 165 of the locking member 16 .

In the showcase having the structure described above, when the product mounting shelf (shelf assembly) 10 is installed at the desired shelf mounting position of the shelf supports 7, 7 provided inside the case body 1, the shelf plate 13 is installed. After sliding movement from the retracted position toward the advanced position, the convex first engaging members 171, 171 of the left and right engaging members 17, 17 are provided on the rear end sides of the left and right locking members 16, 16. It is temporarily held at an intermediate position during the sliding movement from the retracted position to the advanced position by engaging the engaging portions 162, 162 (see FIG. 9). In this way, when the shelf board 13 stops in the middle position, the fall prevention wall 132 provided at the rear end of the shelf board 13 is positioned forwardly from the rear ends of the pair of left and right bracket members 11, 11, so that the fall prevention wall is in position. The uppermost locking piece 11a of the plurality of locking pieces 11a provided at the rear ends of the pair of left and right bracket members 11 can be seen without being obstructed by 132. FIG. Therefore, it is possible to easily perform the operation of engaging the uppermost locking piece 11a provided at the rear end of the bracket members 11, 11 with the locking holes 7a, 7a drilled in the shelf supports 7, 7. When the uppermost locking piece 11a is engaged with the locking holes 7a, 7a drilled in the shelf supports 7, 7, the remaining locking pieces 11a are also engaged with the locking holes 11a engaged with the uppermost locking piece 11a. Since it engages with locking holes 7a, 7a located below 7a, 7a, the article placing shelf 10 can be easily erected at desired shelf mounting positions of the shelf supports 7, 7 provided inside the case body 1. be able to. In this case, the width in the front-rear direction of the product placement shelf 10 with the shelf 13 pulled out to the halfway position is wider than when the shelf 13 is in the retracted position, but the shelf 13 is pulled out to the extended position. Therefore, the locking pieces 11a, 11a of the pair of left and right bracket members 11, 11 are engaged with the locking holes 7a, 7a drilled in the pair of left and right shelf supports 7, 7. The visual distance for fitting can be shortened, and the locking pieces 11a, 11a of the pair of left and right bracket members 11, 11 face the locking holes 7a, 7a drilled in the pair of left and right shelf supports 7, 7. It is possible to maintain the balance of the product placement shelf 10 so as to allow the product to be placed.

As described above, according to the showcase according to the first embodiment of the present invention, the pair of left and right bracket members 11, 11 disposed inside the case body 1 having an opening on the front surface, and these bracket members A shelf plate 13 arranged in a manner straddling between 11 and 11 and having a fall prevention wall 132 formed at the rear end thereof to prevent products from rolling down, and the pair of left and right bracket members 11 and 11 are fixed sides respectively. Rail members 121, 121 are fixed, and movable side rail members 122, 122 are fixed to the left and right ends of the shelf plate 13, respectively. 13 is provided with a product placement shelf (shelf assembly) 10 that can move back and forth in the front-rear direction in such a manner that 13 slides between the retracted position and the advanced position relative to the bracket members 11, 11; The assembly 10 has locking pieces 11a projecting rearward from the rear ends of the left and right bracket members 11, 11 and formed vertically dispersedly along the rear plate 2 inside the case body 1. It is configured to be erected at a desired shelf mounting position by inserting into locking holes 7a, 7a drilled vertically at regular pitch intervals along the front surface of a pair of left and right shelf supports 7, 7. In the showcase, locking members 16, 16 attached to fixed side members (for example, protective frames 15, 15) of the product placement shelf (shelf assembly) 10, and the product placement shelf (shelf assembly) 10 It is attached to a movable side member (eg, shelf member 13) and can be engaged with and disengaged from the locking members 16, 16, and is in the middle of sliding movement of the shelf plate 13 from the retracted position toward the advanced position. A stopper mechanism 18 comprising engaging members 17, 17 that engage with the locking members 16, 16 to temporarily fix the shelf plate 13 at the intermediate position is provided, and the locking members 16, 16 of the stopper mechanism 18 are It has a convex first engaging portion 162 having a sliding slope portion that rises and falls in the sliding movement direction of the shelf plate 13, and the engaging members 17, 17 are the first engaging members of the engaging members 16, 16. It has a fitting portion 171 that is made of an elastic member that is elastically deformed by coming into contact with the sliding slope portion 163 of the portion 162 and that fits into the first locking portion 162. The fitting portion 171 is the locking member 16, By temporarily fixing the shelf board 13 in a state where it is fitted to the first locking portion 162 of 16, it is possible to temporarily fix the shelf board 13 at an intermediate position in the middle of sliding movement from the retracted position toward the advanced position. next to the quotient When the product placement shelf (shelf assembly) 10 is erected inside the case body 1, if the shelf plate 13 is temporarily fixed at a midway position, the fall prevention wall 132 formed at the rear end of the shelf plate 13 will move forward from the retracted position. Since it is possible to easily see the uppermost locking pieces 11a among the plurality of locking pieces 11a provided at the rear ends of the pair of left and right bracket members 11, 11 by moving, The latching pieces 11a, 11a of the pair of bracket members 11, 11 are engaged with the latching holes 7a, 7a drilled in the pair of left and right shelf supports 7, 7, and the product placement shelf (shelf assembly) 10 is assembled into the case. It is possible to improve the workability of installing it inside the main body 1 . In addition, since the locking members 16, 16 and the engaging members 17, 17 may be additionally provided, there is an advantage that there is no need to change the design of the component parts of the product placement shelf (shelf assembly) 10. FIG.
<Embodiment 2>
FIG. 11 shows a product placement shelf (shelf assembly) 10A of a showcase according to Embodiment 2 of the present invention, and shows the left side of the front view in a state where the shelf board 13 is retracted from the product placement shelf 10A to the retracted position. FIG. 4 is a side view from the inside of the component including the bracket member; The same reference numerals are assigned to the same constituent elements as those of the product placement shelf (shelf assembly) 10 of the first embodiment described above, and the description thereof will be omitted.

The product placement shelf (shelf assembly) 10A of the showcase according to the second embodiment differs from the product placement shelf 10 according to the first embodiment in that the product placement shelf 10A is installed at a desired shelf mounting position. The only difference is that a stopper restricting means 22 is additionally provided for automatically disabling the operation of the stopper mechanism 18 in a state where the stopper mechanism 18 is closed. In the second embodiment, the locking member 16 constituting the stopper mechanism 18 has a rear screw insertion hole 16a which is formed as a rear arcuate long hole with the front screw insertion hole 16a as a fulcrum. , and the screw (stepped screw) S2 contacts the upper edge of the screw insertion hole 16a on the rear side when no external force is applied. It is configured to be positioned at a retracted position lowered by its own weight. Here, the protruding position of the locking member 16 means that the convex first locking portion 162 provided on the rear end side of the locking member 16 protrudes upward from the protective frame 15 and the fitting portion 171 of the engaging member 17 is reached. , and the retracted position of the locking member 16 means that the first locking portion 162 of the locking member 16 is positioned below the upper edge of the protective frame 15 and the engaging member 17 means a state of non-contact with the fitting portion 171 of the .

In the showcase according to the second embodiment, the protective frame 15, which is a fixed side member of the shelf plate 13 of the product shelf 10A, is rotatably supported by the leg portion 152 on one side (inner side) and is pivotally supported in one direction. A stopper restricting means 22 is constituted by an operating mechanism 21 comprising a cam 19 biased to rotate upwardly and a link member 20 connecting the cam 19 and the locking member 16 .

As shown in FIG. 12, the cam 19 has a substantially half-moon shape and is rotatably supported on the rear portion of one (inner) leg portion 152 of the protective frame 15 as a fixed side member of the product placement shelf 10A. None. The mounting position of the rotating shaft 191 of the cam 19 on the leg piece 152 of the protective frame 15 is such that the half-moon-shaped portion can protrude rearward from the rear end of the leg piece 152 of the protective frame 15, while the protective It is positioned so that it can be retracted into the area of the legs 152 of the frame 15 .

As shown in FIG. 12, the link member 20 includes a connecting plate portion 201 extending in the front-rear direction, a reinforcing portion 202 formed by bending an upper edge of the connecting plate portion 201 into an eave shape, and the reinforcing portion 202. It consists of an operating piece 203 located at the front end and formed by bending obliquely forward. The connecting plate portion 201 of the link member 20 has two long holes 20a, 20a drilled in the front-rear direction. It is attached to the leg piece 152 of the front and back so as to be slidable in the front-rear direction. A rear end of the connecting plate portion 201 is connected to the cam 19 via a screw S3. Therefore, the link member 20 slides in the front-rear direction as the cam 19 rotates.

A coil spring 23 is stretched around the link member 20 (indicated by a dashed line in FIG. 11). One end of the coil spring 23 is engaged with a screw S1 inserted through the front long hole 20a of the two long holes 20a provided in the connecting plate portion 201 in the front-rear direction, and the other end is engaged with the connecting plate portion. It is locked in a locking hole 20b drilled in 201. As shown in FIG. The coil spring 23 biases the link member 20 forward, and via the link member 20 biases the cam 19 counterclockwise in the state shown in FIGS. compose the power means.

The relationship between the stopper restricting means 22 and the locking member 16 which is arranged to be able to swing between the protruded position and the retracted position is such that the cam 19 of the operating mechanism 21 is half-loaded by the coil spring 23 when no load is applied. When biased in the clockwise direction, the half-moon portion of the cam 19 protrudes rearward from the rear end of the leg portion 152 of the protective frame 15, and in this case, the link member 20 slides forward to open the operation piece. The locking member 16 is configured to swing to an upward protruding position in a manner in which the locking member 203 slips under the locking member 16 . When an external force is applied to the half-moon-shaped portion of the cam 19 protruding rearward from the rear end of the leg portion 152 of the protective frame 15 so that the cam 9 rotates clockwise, the half-moon of the cam 19 The shaped portion rotates so as to recede to the rear end portion of the leg portion 152 of the protective frame 15 , and the link member 20 slides rearward along with this, and the operation piece 203 is operated from below the locking member 16 . break away. Detachment of the locking member 16 from below by the operation piece 203 means that the locking member 16 is allowed to move downward due to its own weight. As a result, the locking member 16 swings downward from the projecting position by its own weight and moves to the retracted position.

The installation of the product shelf 10A having the stopper restricting means 22 as described above at desired shelf mounting positions of the shelf supports 7, 7 will be described with reference to FIGS. 13 to 15. FIG. FIG. 13 is a side view of components including the left bracket member 11 in a state where the shelf plate 13 of the product placement shelf 10A is stopped at an intermediate position, and FIG. FIG. 15 shows the left bracket member 11 with the shelf plate 13 of the product placement shelf 10A retracted to the retracted position. It is the side view seen from the inside of the component. 13 to 15, the coil spring 23 is omitted in order to clarify the state of the long holes 20a, 20a of the link member 20. As shown in FIG.

Now, when the product placement shelf (shelf assembly) 10A is installed at a desired shelf mounting position of the shelf supports 7, 7 provided inside the case body 1, the shelf plate 13 is slid from the retracted position toward the advanced position. Then, the fitting portions 171, 171 of the left and right engaging members 17, 17 are fitted into the convex first engaging portions 162, 162 provided on the rear end sides of the left and right engaging members 16, 16. is temporarily held in the middle of the sliding movement from the retracted position to the advanced position (see FIG. 13). In this way, when the shelf board 13 stops in the middle position, the fall prevention wall 132 provided at the rear end of the shelf board 13 is positioned forwardly from the rear ends of the pair of left and right bracket members 11, 11, so that the fall prevention wall is in position. The uppermost locking piece 11a of the plurality of locking pieces 11a provided at the rear ends of the pair of left and right bracket members 11 can be seen without being obstructed by 132. FIG. Therefore, it is possible to easily perform the operation of engaging the uppermost locking piece 11a provided at the rear end of the bracket members 11, 11 with the locking holes 7a, 7a drilled in the shelf supports 7, 7. When the uppermost locking piece 11a is engaged with the locking holes 7a, 7a drilled in the shelf supports 7, 7, the remaining locking pieces 11a are also engaged with the locking holes 11a engaged with the uppermost locking piece 11a. Since it engages with locking holes 7a, 7a located below 7a, 7a, the product placement shelf 10A can be easily erected at desired shelf mounting positions of shelf supports 7, 7 provided inside the case body 1. be able to. This point is the same as the case of the showcase of the first embodiment.

While the shelf board 13 is temporarily held at the intermediate position, a plurality of locking pieces 11a are provided at the rear ends of the bracket members 11, 11. 7a, as shown in FIG. 14, the half-moon-shaped portion of the cam 19 projecting rearward from the rear end portion of the leg portion 152 of the protective frame 15 comes into contact with the front surfaces of the shelf supports 7, 7, The cam 19 rotates clockwise so that its half-moon portion retreats to the rear end portion of the leg portion 152 of the protective frame 15 . As the cam 19 rotates clockwise, the link member 20 slides rearward, and the operation piece 203 is released from below the locking member 16, allowing the locking member 16 to move downward due to its own weight. do. As a result, the locking member 16 swings downward from the protruded position by its own weight to move to the retracted position, thereby nullifying the action of the stopper mechanism 18 (see FIG. 15). In this way, when the action of the stopper mechanism 18 is disabled by the stopper restricting means 22, when the shelf board 13 is moved from the product placement shelf 10A installed on the shelf supports 7, 7 toward the advanced position, the embodiment can In showcase 1, the shelf plate is moved toward the advanced position by the action of the stopper mechanism 18 (the action in which the fitting portion 171 of the engaging member 17 fits into the first locking portion 162 of the locking member 16). Since the impact is applied to the shelves 13, there is a risk that the products placed on the shelves 13 may topple over or the products may be out of alignment. There is an effect that the plate 13 can be smoothly moved to the advanced position.

As described above, in the showcase according to the second embodiment provided with the stopper restricting means 22, the product placement shelf (shelf assembly) 10A is moved by the stopper mechanism 18 to the case main body 1 as in the case of the showcase according to the first embodiment. The shelf supports 7, 7 provided inside the case body 1 can be installed easily at the desired shelf mounting positions. It has the effect of nullifying the action of the stopper mechanism 18 and realizing smooth movement of the shelf board 13 in the state of being constructed on the posts 7,7.

In the second embodiment, the stopper restricting means 22 is configured by the operation mechanism 21 consisting of the cam 19 and the link member 20. It can also be configured to appear and disappear from the rear end, and is not limited to the configuration of the embodiment.

DESCRIPTION OF SYMBOLS 1... Case main body 2... Rear board 7... Shelf support 10, 10A... Product placement shelf (shelf assembly) 11... Bracket member 12... Slide rail 121... Fixed side rail member 122... Movable side rail Member 13... Shelf board 15... Protective frame (fixed member) 16... Locking member 162... First locking part 164... Locking part 165... Second locking part 17... Engaging member , 171... Fitting portion 172... Operation part 173... Stopper piece 18... Stopper mechanism 19... Cam 20... Link member 203... Operation piece 21... Operation mechanism 22... Stopper limiting means.

Claims (5)

A pair of left and right bracket members arranged inside a case body having an opening on the front surface, and a fall prevention wall arranged in a manner straddling between these bracket members and preventing products from rolling down to the rear end. and a slide rail assembly in which fixed side rail members are fixed to the pair of left and right bracket members, respectively, and movable side rail members are fixed to the left and right ends of the shelf board, respectively, A product placement shelf is provided which is movable back and forth in a manner such that the shelf member slides between a retracted position and an advanced position with respect to the bracket member by a slide rail, and the product placement shelf comprises the pair of left and right product placement shelves. A plurality of locking pieces protruding rearward from the rear end of the bracket member and formed in a vertically dispersed manner are attached vertically along the front surface of a pair of left and right shelf supports erected along the rear plate inside the case body. A locking member attached to a fixed side member of the commodity shelf in a showcase configured to be installed at a desired shelf mounting position by inserting into locking holes drilled at regular pitch intervals in a direction. and the locking member, which is attached to the movable side member of the product placement shelf, is engageable with and disengageable from the locking member, and slides during the sliding movement of the shelf board from the retracted position toward the advanced position. and an engaging member for temporarily fixing the shelf plate at the intermediate position by engaging with the stopper mechanism, and the locking member of the stopper mechanism has a sliding slope portion that ascends and descends in the sliding movement direction of the shelf plate. The engaging member has a convex first engaging portion, and the engaging member is made of an elastic member that is elastically deformed in contact with the sliding slope portion of the first engaging portion of the engaging member, and the first engaging portion. A showcase characterized by comprising a fitting portion that fits into the first locking portion of the locking member and temporarily fixing the shelf board in a state in which the fitting portion is fitted to the first locking portion of the locking member . 2. The showcase according to claim 1, wherein the locking member comprises a sawtooth that is composed of a sliding slope portion that rises from the front side toward the rear side and a locking portion that extends vertically from the vertex of the sliding slope portion. The engaging member has an operating portion at its front end which is operated to elastically deform the engaging member, and the second engaging portion is provided when the shelf member is retracted to the retracted position. When the shelf member is slid from the advanced position or the middle position toward the retracted position, the stopper piece abuts the sliding part of the second locking part. When the stopper piece is released from the sliding portion of the second locking portion, it is restored and engaged with the locking portion of the second locking portion, while the operating portion is operated. and the second engaging portion of the stopper piece is disengaged from the engaging portion . 2. The showcase according to claim 1 , wherein the locking member of the stopper mechanism is pivotally supported in such a manner that the convex first locking portion thereof is moved to an upward projecting position and a downward retracted position. Thus, when the product placement shelf is installed at a desired shelf mounting position, the convex first locking portion of the locking member is allowed to move to the lower retracted position, thereby automatically activating the stopper mechanism. A showcase, characterized by comprising a stopper restricting means that effectively disables the stopper . 4. The showcase according to claim 3 , wherein the stopper restricting means includes locking pieces formed at the rear ends of the pair of left and right bracket members that are inserted into locking holes drilled in the pair of left and right shelf supports to place the product. When the shelf is installed at the shelf mounting position, the convex first locking portion of the locking member is allowed to move downward to the retracted position, while the product mounting shelf is removed from the desired shelf mounting position. an operation mechanism for moving the convex first engaging portion of the engaging member to an upward projecting position and maintaining the state in the state where the first engaging member is projected . 5. The showcase according to claim 4, wherein the operating mechanism is rotatably pivoted to the rear portion of the fixed side member of the product placement shelf, and is pushed downward from the rear end portion of the fixed side member of the product placement shelf by biasing means. Engagement pieces formed at the rear ends of the pair of bracket members are inserted into engagement holes drilled in a pair of left and right shelf supports to provide a product placement shelf. is installed at the shelf mounting position, the cam rotates in such a manner that it abuts against the back plate and retreats to the rear end of the fixed side member of the product placement shelf, and the link member that connects the cam and the locking member. When the cam rotates toward the rear end of the fixed side member of the product placement shelf in a state where the product placement shelf is installed at the shelf mounting position, the operating mechanism engages the locking member via the link member. The locking member is allowed to swing in such a manner that the convex first locking portion moves downward. When the stationary side member of the placing shelf rotates so as to protrude rearward, the locking member swings in such a manner that the convex first locking portion of the locking member moves upward via the link member. A showcase characterized by holding it in a moved state .

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