CN218287237U - Book and periodical cover gauge adjusting device - Google Patents
Book and periodical cover gauge adjusting device Download PDFInfo
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- CN218287237U CN218287237U CN202223330387.6U CN202223330387U CN218287237U CN 218287237 U CN218287237 U CN 218287237U CN 202223330387 U CN202223330387 U CN 202223330387U CN 218287237 U CN218287237 U CN 218287237U
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Abstract
The utility model discloses a books and periodicals front cover rule adjusting device relates to books and periodicals production technical field. The utility model discloses a locating rack, brace table and slider, brace table one end joint are fixed with carding frame, and carding frame one side slip joint has second adjust cylinder, and carding frame opposite side slip joint has the slider, and the slider upside rotates the joint and has the elasticity depression bar, and brace table one side joint is fixed with the locating rack, and locating rack one side bottom joint is fixed with the electro-magnet, and electro-magnet upper end elastic connection has the adsorption plate, and locating rack opposite side slip joint has first adjust cylinder. The utility model discloses a locating rack, brace table and slider have solved current books and periodicals front cover regulation device and have needed manually to be fixed in the device surface with the front cover, and degree of automation is not high, and because the front cover is the single paper, it probably has the bending after fixing on the device, reduces the problem of binding efficiency.
Description
Technical Field
The utility model belongs to the technical field of the production of books and periodicals, especially, relate to a books and periodicals front cover regulation device.
Background
Books and periodicals refer to books and publications, and in the production process of the books and periodicals, printed paper is generally bound, and in order to improve the aesthetic measure of the books and periodicals and protect book blocks and facilitate the search of the books and periodicals, covers and covers are generally bound on the outer sides of the books and periodicals, and the covers refer to one layer outside the books and periodicals. Sometimes refer in particular to the first face printed with the title of a book, a writer or an editor, a publisher name, etc., when the book block and the cover are bound, in order to ensure the accuracy of the binding position between the book block and the cover, the position of the cover of the book and the periodical is usually required to be adjusted, and the cover of the book and the periodical is adjusted by the regulation device, so that the binding efficiency of the book and the periodical can be greatly improved, the labor intensity of workers is reduced, but the following disadvantages still exist in the practical use:
1. the utility model discloses a utility model with publication number CN215041554U discloses a front cover quick positioning adjustment device of a paperback adhesive binding machine, an upper sealing mechanism is composed of an upper wall plate and a lower wall plate, the upper wall plate and the lower wall plate are set in parallel, aligned holes are arranged on the upper wall plate and the lower wall plate, the upper wall plate and the lower wall plate are fixedly connected in the holes through slide rail guide shafts, a moving block is connected on the slide rail guide shafts in a sliding manner, a rack guide shaft is fixedly connected between the upper wall plate and the lower wall plate, the existing adjustment device can automatically position and adjust the front cover, the efficiency of book binding is improved, but in the actual use process, a worker manually fixes the front cover on the upper side of the device, the operation is complicated, and the automation degree of the device is not enough;
2. the existing book cover is easy to bend and fold because the cover is only one piece of paper before being bound and regulated by the regulation, when the cover is fixed on the upper side of the regulation regulating device, the cover is stably attached to the surface of the regulation regulating device and is difficult to be fixed, and the cover is possibly bent to a certain extent, so that the cover and a book block are unsmooth after being bound, and the binding efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a books and periodicals cover regulation adjusting device, through locating rack, brace table and slider, solved current books and periodicals cover regulation adjusting device and need manually be fixed in the device surface with the front cover, degree of automation is not high, and because the front cover is the sheet-fed, it probably has the bending after fixing on the device, reduces the problem of binding efficiency.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a books and periodicals front cover rule square adjusting device, including locating rack, brace table and slider, brace table one end joint is fixed with carding frame, carding frame one side slip joint has the second adjust the cylinder, can drive through the second adjust the cylinder the utility model discloses with be fixed in the front cover back-and-forth movement of upside carries out rule square adjustment to the front cover, carding frame opposite side slip joint has the slider, the slider upside rotates the joint and has the elasticity depression bar, is fixed in front cover one end the utility model discloses on the side back, drive the elasticity depression bar through the slider and rotate in vertical direction, make the elasticity depression bar laminating in the front cover upside to drive the elasticity depression bar through the slider and remove along carding frame, can comb the front cover, make the front cover laminating in the brace table upside to extrude the front cover opposite side, avoid because the front cover is thinner to have certain bending after fixing, guarantee to bind the effect, brace table one side joint is fixed with the locating rack, locating rack one side bottom joint is fixed with the electro-magnet, electro-magnet upper end elastic connection has the adsorption plate, the locating rack opposite side has the clamp to have first adjust the front cover, and to the front cover is fixed on the side, the electro-magnet and is fixed the electro-magnet and is to carry out the utility model discloses a quick adjustment degree of moving is carried out the electro-magnet is carried out the adjustment to the utility model.
Furthermore, a first sliding groove is formed in one side of the positioning frame, a first telescopic rod is clamped at one end of the first adjusting cylinder, the other end of the first telescopic rod is clamped at the inner side of the first sliding groove in a sliding mode, and the first adjusting cylinder is located on the other side, opposite to the supporting table, of the positioning frame;
can drive the flexible of first telescopic link through first adjust cylinder, further drive the utility model discloses and the removal about the front cover, carry out the regulation to the front cover, just the utility model discloses when carrying out the back-and-forth movement, can remove along first spout, avoid fixed position's first adjust cylinder to lead to the fact the influence to removing.
Furthermore, telescopic grooves are formed in two ends of the upper side of the electromagnet, a slot is formed in one end of the upper side of the electromagnet, the slot is located between the two telescopic grooves, and the electromagnet is located between the positioning frame and the supporting table;
when fixing the front cover, with front cover one end laminating in the locating rack, one side laminating is fixed a position in the limiting plate, can make the electro-magnet adsorb the adsorption plate through switching on the electro-magnet, makes adsorption plate and electro-magnet extrude the front cover fixedly, does not need manually to fix, and can guarantee the accuracy of fixed position at every turn, improves the convenience of using.
Furthermore, limiting pipes are fixedly welded at two ends of the bottom side of the adsorption plate, the bottom end of the inner side of each limiting pipe is connected with an extrusion spring in a clamping manner, a limiting plate is fixedly welded at one end of the bottom side of the adsorption plate and positioned between the two limiting pipes, the bottom ends of the limiting plates are inserted into the inner sides of the slots, the bottom ends of the limiting pipes are inserted into the inner sides of the telescopic grooves, and the bottom ends of the extrusion springs are clamped into the inner sides of the telescopic grooves;
when the cover needs to be removed from fixation, the electromagnet is powered off, so that the adsorption effect on the adsorption plate is removed, the adsorption plate bounces under the action of the elastic force of the extrusion spring, another cover is convenient to fix, and the operation is simple and convenient.
Furthermore, a third sliding groove is formed in one side of the carding frame, a second telescopic rod is clamped at one end of a second adjusting cylinder, the other end of the second telescopic rod is clamped at the inner side of the third sliding groove in a sliding mode, and the second adjusting cylinder is located on the other side, opposite to the supporting table, of the carding frame;
can drive the flexible of second telescopic link through second adjust cylinder, further drive the utility model discloses with the back-and-forth movement of front cover, carry out the regulation of rule to the front cover, just the utility model discloses when removing about removing, can remove along the third spout, avoid fixed position's second adjust cylinder to lead to the fact the influence to removing.
Furthermore, a second sliding groove is formed in one side of the carding frame, an inserting opening is formed in the upper side of the carding frame, the inserting opening is located at the upper end of one side of the second sliding groove, the inserting opening and the inner side of the second sliding groove are communicated in a penetrating mode, a clamping groove is formed in one end of the second sliding groove, and the clamping groove is located at the other end, opposite to the inserting opening, of the second sliding groove;
the slider can move along the second spout, further drives the elasticity depression bar and removes at a supporting bench upside, extrudees the front cover and combs, makes the front cover laminate in a supporting bench, avoids having the bending to lead to binding efficiency between the front cover fixed position and descends.
Furthermore, one end of the elastic pressure rod is rotatably clamped with a rotating rod, one end of the rotating rod is clamped with a rotating motor, a rotating groove is formed in the upper side of the sliding block, the rotating rod is rotatably clamped inside the rotating groove, the rotating motor is clamped inside the sliding block, the sliding block is slidably clamped inside the second sliding groove, the elastic pressure rod is rotatably inserted inside the socket, and the outer peripheral surface of the elastic pressure rod is attached to the upper side of the supporting table;
when the front cover is placed on the supporting table upside, the rotating motor drives the elastic pressing rod to rotate upwards, the influence on the placement of the front cover is avoided, the electromagnet and the adsorption plate are used for fixing one end of the front cover, the elastic pressing rod rotates downwards to extrude the upper side of the front cover, and the slider is moved to extrude the other end of the upper side of the front cover, so that the operation is simple, and the convenience in use is greatly improved.
Furthermore, one end of the sliding block is connected with a telescopic pipe in a clamping mode, the other end of the telescopic pipe is connected with a carding cylinder in a clamping mode, the telescopic pipe is located in the second sliding groove in a clamping mode, and the carding cylinder is connected to the inner side of the clamping groove in a clamping mode;
the carding cylinder drives the flexible pipe flexible, further can drive the slider and slide along the second spout, makes the elasticity depression bar rotate and remove at the front cover upside, makes the front cover laminate in a supporting bench upside, guarantees to bind the effect.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the locating rack, brace table and slider, it can carry out the automatic positioning adjustment to the front cover to have solved current adjusting device, the efficiency of books and periodicals binding is improved, but in the in-service use process, the staff is fixed in the device upside with the front cover through needing manually, the operation is comparatively loaded down with trivial details, the not enough problem of degree of automation of device, place in brace table upside back at the front cover, make it adsorb the adsorption plate through switching on to the electro-magnet, can make electro-magnet and adsorption plate press from both sides tight fixed to front cover one end, rotate downwards and laminate in the front cover upside through the elasticity depression bar, and through the removal of combing the cylinder and driving the elasticity depression bar, it extrudees the front cover other end to make the elasticity depression bar, when carrying out taking of front cover, can remove the extrusion of front cover fixed through cutting off the power supply to the electro-magnet, can remove the extrusion to the front cover other end through the secondary movement of elasticity depression bar, the front cover of being convenient for use is taken fast, the convenience improves.
2. The utility model discloses a set up brace table and slider, solved current books and periodicals cover and before binding and the regulation, because the cover only has a paper usually, crooked and the rugose condition appears easily, when being fixed in the cover regulation device upside, the device is the stable laminating of cover in its surface when being difficult to usually, the cover probably has certain bending, lead to comparatively unevenness of cover and book block after binding, reduce the problem of binding efficiency, when fixing, it can drive the slider and remove along the second spout to comb the cylinder, further drive the elasticity depression bar and roll and remove at the cover upside, make the elasticity depression bar comb the cover, make the cover laminate in the brace table upside, avoid because there is comparatively unevenness after the bending angle leads to binding between the fixed point of cover and device, guarantee binding efficiency.
Drawings
FIG. 1 is a structural effect diagram of the present invention;
FIG. 2 is a structural diagram of the positioning frame of the present invention;
fig. 3 is a side view of the positioning frame of the present invention;
FIG. 4 is a structural diagram of the supporting table of the present invention;
fig. 5 is a rear view of the support platform of the present invention;
fig. 6 is a structural diagram of the slide block of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a positioning frame; 101. an adsorption plate; 102. a first adjusting cylinder; 103. a limiting plate; 104. a limiting pipe; 105. a compression spring; 106. a telescopic groove; 107. an electromagnet; 108. a slot; 109. a first telescopic rod; 110. a first chute; 2. a support table; 201. a carding frame; 202. a second adjusting cylinder; 203. a second chute; 204. a socket; 205. a card slot; 206. a second telescopic rod; 207. a third chute; 3. a slider; 301. an elastic compression bar; 302. a rotating groove; 303. a telescopic pipe; 304. a carding cylinder; 305. rotating the rod; 306. the motor is rotated.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Please refer to fig. 1-6, the utility model relates to a books and periodicals cover regulation device, including locating rack 1, brace table 2 and slider 3, 2 one end joints of brace table are fixed with carding frame 201, carding frame 201 one side slip joint has second adjust cylinder 202, second adjust cylinder 202 drives the utility model discloses with being fixed in the utility model discloses the front cover of upside is along the first spout 110 back-and-forth movement, carry out the regulation of regulation to the front cover, carding frame 201 opposite side slip joint has slider 3, slider 3 upside rotates the elastic pressure pole 301 of joint, be fixed in front cover one end the utility model discloses on the side, rotate motor 306 and drive elastic pressure pole 301 and rotate at vertical direction for the axle center along rotating groove 302, make elastic pressure pole 301 laminate in the front cover upside, carding cylinder 304 drives slider 3 and elastic pressure pole 301 and removes along carding frame 201, comb the front cover, make the front cover laminate in brace table 2 upside, and extrude the front cover opposite side, brace table 2 one side joint is fixed with locating rack 1, locating rack 1 one side bottom joint is fixed with electromagnet 107, electromagnet 107 upper end elastic connection has adsorption plate 101, first adjust the first side slip joint and carry out the electro-magnet through the electro-magnet and carry out the electro-magnet to the fixed cylinder 102, carry out the electricity to the fixed cylinder 102 and carry out the fixed cylinder on the fixed side and carry out the fixed cylinder on the fixed cylinder 102 and the fixed cylinder on the fixed side and the fixed electromagnet and carry out the fixed electromagnet on the fixed electromagnet and the fixed slide cylinder on the fixed with the fixed slide cylinder 102.
As shown in fig. 1-3, a first chute 110 is formed in one side of the positioning frame 1, a first telescopic rod 109 is clamped at one end of a first adjusting cylinder 102, the other end of the first telescopic rod 109 is slidably clamped inside the first chute 110, the first adjusting cylinder 102 is located on the other side of the positioning frame 1 relative to the support table 2, telescopic grooves 106 are formed in two ends of the upper side of an electromagnet 107, a slot 108 is formed in one end of the upper side of the electromagnet 107, the slot 108 is located between the two telescopic grooves 106, the electromagnet 107 is located between the positioning frame 1 and the support table 2, limiting pipes 104 are welded and fixed at two ends of the bottom side of the adsorption plate 101, an extrusion spring 105 is clamped at the bottom end of the inner side of the limiting pipe 104, a limiting plate 103 is welded and fixed at one end of the bottom side of the adsorption plate 101, the limiting plate 103 is located between the two limiting pipes 104, the bottom end of the limiting plate 103 is inserted inside the slot 108, the bottom end of the limiting pipe 104 is inserted inside the telescopic grooves 106, and the bottom end of the extrusion spring 105 is clamped inside the telescopic grooves 106;
when fixing the front cover, with front cover one end laminating in locating rack 1, one side laminating is fixed a position in limiting plate 103, through make electro-magnet 107 circular telegram to electro-magnet 107 adsorb adsorption plate 101, make adsorption plate 101 move down and extrude fixedly with electro-magnet 107 to the front cover, when carrying out the regulation, drive the flexible of first telescopic link 109 through first adjust cylinder 102, further drive the utility model discloses and the front cover removes about third spout 207, carries out the regulation to the front cover, when needs are relieved fixedly to the front cover, through cutting off the power supply to electro-magnet 107, makes it relieve the adsorption to adsorption plate 101, adsorption plate 101 bounces under the effect of extrusion spring 105 elasticity, relieves the extrusion to front cover one end.
As shown in fig. 1, 4, and 5, a third chute 207 is formed on one side of the carding frame 201, a second telescopic rod 206 is fastened to one end of a second adjusting cylinder 202, the other end of the second telescopic rod 206 is slidably fastened to the inner side of the third chute 207, the second adjusting cylinder 202 is located on the other side of the carding frame 201 opposite to the support table 2, a second chute 203 is formed on one side of the carding frame 201, an insertion opening 204 is formed on the upper side of the carding frame 201, the insertion opening 204 is located at the upper end of one side of the second chute 203, the insertion opening 204 is communicated with the inner side of the second chute 203 in a penetrating manner, a clamping groove 205 is formed at one end of the second chute 203, and the clamping groove 205 is located at the other end of the second chute 203 opposite to the insertion opening 204;
drive the flexible of second telescopic link 206 through second adjust cylinder 202, further drive the utility model discloses and front cover along first spout 110 back-and-forth movement, carry out the regulation to the front cover.
As shown in fig. 1 and 6, one end of the elastic pressing rod 301 is rotatably clamped with a rotating rod 305, one end of the rotating rod 305 is clamped with a rotating motor 306, the upper side of the slider 3 is provided with a rotating groove 302, the rotating rod 305 is rotatably clamped inside the rotating groove 302, the rotating motor 306 is clamped inside the slider 3, the slider 3 is slidably clamped inside the second sliding groove 203, the elastic pressing rod 301 is rotatably inserted inside the socket 204, the outer peripheral surface of the elastic pressing rod 301 is attached to the upper side of the supporting platform 2, one end of the slider 3 is clamped with an extension tube 303, the other end of the extension tube 303 is clamped with a combing cylinder 304, the extension tube 303 is positioned inside the second sliding groove 203, and the combing cylinder 304 is clamped inside the clamping groove 205;
after a cover is placed on the upper side of the support platform 2 and one end of the cover is fixed through the electromagnet 107 and the adsorption plate 101, the rotating motor 306 drives the elastic pressure rod 301 to rotate downwards by taking the rotating groove 302 as an axis, the combing cylinder 304 drives the telescopic tube 303 to contract, the sliding block 3 drives the elastic pressure rod 301 to move along the second sliding groove 203, the cover is combed through the rotating elastic pressure rod 301, the cover stops moving and is extruded at a proper position when moving, when the cover needs to be detached, the combing cylinder 304 drives the telescopic tube 303 to contract again, the elastic pressure rod 301 is separated from the upper side of the cover to relieve the extrusion of the cover, and after the cover is taken, the combing cylinder 304 drives the telescopic tube 303 to stretch so that the sliding block 3 resets, and the rotating motor 306 drives the elastic pressure rod 301 to rotate upwards and is inserted into the socket 204.
One specific application of this embodiment is: the worker places the cover on the upper side of the support table 2, attaches one end of the cover to the positioning frame 1, attaches one side of the cover to the limiting plate 103 for positioning, enables the electromagnet 107 to adsorb the adsorption plate 101 by electrifying the electromagnet 107, enables the adsorption plate 101 to move downwards and extrude and fix the cover with the electromagnet 107, drives the elastic pressure rod 301 to rotate downwards by taking the rotating groove 302 as an axis through the rotating motor 306, drives the telescopic pipe 303 to contract by the carding cylinder 304, enables the sliding block 3 to drive the elastic pressure rod 301 to move along the second sliding groove 203, combs the cover through the rotating elastic pressure rod 301, stops moving after moving at a proper position and extrudes the other end of the cover, first adjust cylinder 102 drives the utility model discloses and the front cover is removed the removal, second adjust cylinder 202 drives the utility model discloses and the front cover back-and-forth movement, carry out the regulation of rule to the front cover, when the front cover is taken off to needs, through cutting off the power supply to electro-magnet 107, make it remove the adsorption of adsorption plate 101, adsorption plate 101 bounces under the effect of extrusion spring 105 elasticity, remove the extrusion to front cover one end, comb cylinder 304 and drive the shrink of flexible pipe 303 once more, make elasticity depression bar 301 break away from the front cover upside and remove the extrusion to the front cover, and after the front cover of taking, comb cylinder 304 and drive the tensile messenger slider 3 that flexible pipe 303 resets, and drive elasticity depression bar 301 through rotating motor 306 and upwards rotate and insert in socket 204 inboardly.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a books and periodicals cover rule adjusting device, includes locating rack (1), brace table (2) and slider (3), its characterized in that: supporting bench (2) one end joint is fixed with combs frame (201), comb frame (201) one side slide clamping joint has second adjust cylinder (202), comb frame (201) opposite side slide clamping joint has slider (3), slider (3) upside rotates the joint and has elasticity depression bar (301), supporting bench (2) one side joint is fixed with locating rack (1), locating rack (1) one side bottom joint is fixed with electro-magnet (107), electro-magnet (107) upper end elastic connection has adsorption plate (101), locating rack (1) opposite side slide clamping joint has first adjust cylinder (102).
2. The book and periodical cover gauge adjusting device according to claim 1, wherein: first spout (110) have been seted up to locating rack (1) one side, first adjustment cylinder (102) one end joint has first telescopic link (109), first telescopic link (109) other end slip joint is inboard in first spout (110), first adjustment cylinder (102) are located locating rack (1) for a supporting bench (2) opposite side.
3. The book and periodical cover gauge adjusting device according to claim 1, wherein: flexible groove (106) have been seted up at electro-magnet (107) upside both ends, slot (108) have been seted up to electro-magnet (107) upside one end, slot (108) are located between two flexible grooves (106), electro-magnet (107) are located between locating rack (1) and brace table (2).
4. The book-cover gauge adjusting device of claim 3, wherein: the adsorption plate is characterized in that limiting pipes (104) are fixedly welded at two ends of the bottom side of the adsorption plate (101), an extrusion spring (105) is clamped at the bottom end of the inner side of each limiting pipe (104), a limiting plate (103) is fixedly welded at one end of the bottom side of the adsorption plate (101), the limiting plate (103) is located between the two limiting pipes (104), the bottom ends of the limiting plates (103) are inserted into the inner sides of the slots (108), the bottom ends of the limiting pipes (104) are inserted into the inner sides of the telescopic grooves (106), and the bottom ends of the extrusion springs (105) are clamped into the inner sides of the telescopic grooves (106).
5. The book and periodical cover gauge adjusting device according to claim 1, wherein: a third sliding groove (207) is formed in one side of the carding frame (201), a second telescopic rod (206) is clamped at one end of a second adjusting cylinder (202), the other end of the second telescopic rod (206) is clamped on the inner side of the third sliding groove (207) in a sliding mode, and the second adjusting cylinder (202) is located on the other side, opposite to the supporting table (2), of the carding frame (201).
6. The book-cover gauge adjusting device of claim 1, wherein: second spout (203) have been seted up to carding frame (201) one side, jack (204) have been seted up to carding frame (201) upside, jack (204) are located second spout (203) one side upper end, jack (204) and second spout (203) inboard run through the intercommunication, draw-in groove (205) have been seted up to second spout (203) one end, draw-in groove (205) are located second spout (203) for the jack (204) other end.
7. The book and periodical cover gauge adjusting device according to claim 6, wherein: elastic pressure pole (301) one end rotation joint has dwang (305), dwang (305) one end joint has rotation motor (306), rotation groove (302) have been seted up to slider (3) upside, dwang (305) rotation joint is inboard in rotation groove (302), it is inboard in slider (3) to rotate motor (306) joint, slider (3) slip joint is inboard in second spout (203), elastic pressure pole (301) rotate and peg graft in socket (204) inboard, elastic pressure pole (301) periphery laminating is in a supporting bench (2) upside.
8. The book-cover gauge adjusting device of claim 6, wherein: slider (3) one end joint has flexible pipe (303), flexible pipe (303) other end joint has carding cylinder (304), flexible pipe (303) are located second spout (203) and survey, carding cylinder (304) joint is inboard in draw-in groove (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223330387.6U CN218287237U (en) | 2022-12-13 | 2022-12-13 | Book and periodical cover gauge adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223330387.6U CN218287237U (en) | 2022-12-13 | 2022-12-13 | Book and periodical cover gauge adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218287237U true CN218287237U (en) | 2023-01-13 |
Family
ID=84810166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223330387.6U Active CN218287237U (en) | 2022-12-13 | 2022-12-13 | Book and periodical cover gauge adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218287237U (en) |
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2022
- 2022-12-13 CN CN202223330387.6U patent/CN218287237U/en active Active
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