CN110871575A - Method for assembling paper feeding bracket - Google Patents

Method for assembling paper feeding bracket Download PDF

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Publication number
CN110871575A
CN110871575A CN201911181031.0A CN201911181031A CN110871575A CN 110871575 A CN110871575 A CN 110871575A CN 201911181031 A CN201911181031 A CN 201911181031A CN 110871575 A CN110871575 A CN 110871575A
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CN
China
Prior art keywords
upper cover
rack
welding lines
lower cover
cover
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911181031.0A
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Chinese (zh)
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CN110871575B (en
Inventor
莫海波
高超
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ZHUHAI YINGCHENG ELECTRONIC TECHNOLOGY Co Ltd
Original Assignee
ZHUHAI YINGCHENG ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN201911181031.0A priority Critical patent/CN110871575B/en
Publication of CN110871575A publication Critical patent/CN110871575A/en
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Publication of CN110871575B publication Critical patent/CN110871575B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes

Abstract

The invention provides an assembling method of a paper feeding bracket, wherein the paper feeding bracket comprises a gear piece, a first upper cover, a first movable baffle, a second movable baffle, a lower cover and a second upper cover; the assembling method comprises the following steps: rotatably connecting the gear piece with the first upper cover; a step of slidably connecting the first movable baffle plate with the first upper cover; a step of slidably connecting the second movable baffle plate with the first upper cover; connecting the lower cover and the first upper cover by ultrasonic waves; and connecting the second upper cover with the first upper cover and the lower cover. The invention has the advantages of convenient assembly, high efficiency and good assembly quality.

Description

Method for assembling paper feeding bracket
Technical Field
The invention relates to the technical field of paper feeders, in particular to an assembling method of a paper feeding bracket.
Background
The existing office instruments such as document scanners, copiers, fax machines and printers are all provided with paper feeding brackets, and before paper feeding, a user needs to adjust the width between two paper limiting baffles according to the width of a document to be scanned, printed or copied, and then the document is placed between the two paper limiting baffles, so that automatic paper feeding can be realized. The paper feeding bracket comprises an upper cover, a lower cover, a gear piece and a paper limiting baffle, wherein the gear piece is positioned between the upper cover and the lower cover, the upper cover and the lower cover are adhered by glue in the traditional assembling method, glue adhesion is used for gluing, baking and other steps are needed, the process is complex and difficult to operate, uniform gluing cannot be guaranteed in the gluing process, and therefore a sufficient amount of glue cannot be applied to some local parts, and the fixed connection of the upper cover and the lower cover is affected.
Disclosure of Invention
The invention aims to provide an assembling method of a paper feeding bracket, which is convenient and simple to assemble and has high reliability.
In order to achieve the first object, the present invention provides an assembly method of a paper feeding tray, wherein the paper feeding tray includes a gear member, a first upper cover, a first movable baffle, a second movable baffle, a lower cover and a second upper cover; the assembling method comprises the following steps: rotatably connecting the gear piece with the first upper cover; a step of slidably connecting the first movable baffle plate with the first upper cover; a step of slidably connecting the second movable baffle plate with the first upper cover; connecting the lower cover and the first upper cover by ultrasonic waves; and connecting the second upper cover with the first upper cover and the lower cover.
According to the scheme, the lower cover and the first upper cover are quickly and firmly bonded through ultrasonic connection of the lower cover and the first upper cover, and the production efficiency and the product quality are improved; moreover, the assembly method provided by the invention can enable the installation of the paper feeding bracket to be simpler and more convenient, and is more convenient for workers to assemble the paper feeding bracket.
In a further scheme, an arc-shaped piece and a clamping hook are arranged on the first side of the first upper cover, a notch is formed in the arc-shaped piece, and the clamping hook is located in the notch; the gear piece is provided with a central hole; the step of rotationally connecting the gear member with the first upper cover includes: the gear piece is sleeved on the arc-shaped piece, and the clamping hook is abutted to the end face of the gear piece.
In a further scheme, a first mounting groove penetrates through the first upper cover and is arranged along the sliding direction of the first movable baffle; the first movable baffle comprises a first shifting piece, a first rack and a first clamping part, the first shifting piece and the first rack are respectively positioned on two planes with different heights, and the first clamping part is positioned on the bottom wall of the first shifting piece; the step of slidably coupling the first flapper to the first cover includes: pass first mounting groove with first rack from the second side of first upper cover for first rack is connected with the meshing of the first side of gear spare, and makes first joint portion and first mounting groove joint.
In a further scheme, a second mounting groove penetrates through the first upper cover and is arranged along the sliding direction of the second movable baffle; the second movable baffle comprises a second shifting piece, a second rack and a second clamping part, the second shifting piece and the second rack are respectively positioned on two planes with different heights, and the second clamping part is positioned on the bottom wall of the second shifting piece; the step of slidably coupling the second flapper to the first cover includes: and the second rack passes through the second mounting groove from the second side of the first upper cover, so that the second rack is meshed with the second side of the gear piece and is connected with the second side of the gear piece, and the second clamping part is clamped with the second mounting groove.
In a further scheme, a first group of welding lines, a second group of welding lines and a third group of welding lines are arranged on the first side of the first upper cover, the first group of welding lines are arranged along the first direction, the second group of welding lines and the third group of welding lines are arranged in parallel along the second direction, and the first direction is perpendicular to the second direction; the lower cover is provided with a column body, a first bulge and a second bulge, and the first bulge and the second bulge are positioned on two sides of the column body; the step of fixedly connecting the lower cover and the first upper cover by the ultrasonic equipment comprises: arranging the first upper cover and the lower cover in a superposed manner, inserting the column body into the central hole of the gear piece, abutting the first rack with the first bulge, abutting the second rack with the second bulge, and abutting the first group of welding lines, the second group of welding lines and the third group of welding lines with the surface of the lower cover; and starting the ultrasonic equipment to melt the first group of welding lines, the second group of welding lines and the third group of welding lines so as to bond the lower cover and the first upper cover.
In a further scheme, four groups of first connecting seats are arranged on the first upper cover and arranged along a first direction; four groups of second connecting seats are arranged on the lower cover, and the second connecting seats are arranged opposite to the first connecting seats and form clamping ports; four groups of connecting shafts are arranged on the second upper cover coaxially; the step of coupling the second upper cover with the first upper cover and the lower cover includes: the connecting shaft is inserted in the clamping opening, so that the connecting shaft can rotate along the axial direction of the connecting shaft.
In a further scheme, two groups of first abutting parts are further arranged on the lower cover and are positioned on the outer sides of all the second connecting seats; the second upper cover is also provided with two groups of second abutting parts which are elastically abutted with the first abutting parts.
Drawings
Fig. 1 is an exploded view of a paper feeding tray manufactured by applying an embodiment of the assembly method of the present invention.
Fig. 2 is a first view structural diagram of a first upper cover and two movable baffles of a paper feeding tray manufactured by applying an embodiment of the assembly method of the invention.
Fig. 3 is an enlarged view at B in fig. 2.
Fig. 4 is a structural view of a first flap and a second flap of a paper feeding tray manufactured by applying an embodiment of the assembly method of the present invention.
Fig. 5 is a second view structural diagram of the first upper cover and two movable baffles of the paper feeding tray manufactured by applying the embodiment of the assembly method of the invention.
Fig. 6 is a first view structural diagram of a first upper cover and a first lower cover of a paper feeding tray manufactured by applying an embodiment of the assembly method of the invention.
Fig. 7 is a structural diagram of a first upper cover of a paper feeding tray manufactured by applying an embodiment of an assembly method of the present invention.
Fig. 8 is an enlarged view at a in fig. 1.
Fig. 9 is a second view structural diagram of the first upper cover and the lower cover of the paper feeding tray manufactured by applying the embodiment of the assembling method of the invention.
Fig. 10 is an enlarged view at C in fig. 9.
Fig. 11 is a structural view of a second upper cover of a paper feeding tray manufactured by applying an embodiment of an assembling method of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1 to 11, the paper feed tray includes a gear member 1, a first upper cover 2, a first shutter 3, a second shutter 4, a lower cover 5, and a second upper cover 6. The first upper cover 2 and the lower cover 5 are arranged in an up-and-down overlapping manner, and the gear member 1 is located between the first upper cover 2 and the lower cover 5. The first end of the first movable baffle 3 is positioned between the first upper cover 2 and the lower cover 5 and is connected with the gear piece 1, and the second end of the first movable baffle 3 is positioned above the first upper cover 2 and can move left and right. The first end of the second movable baffle 4 is positioned between the first upper cover 2 and the lower cover 5 and is connected with the gear piece 1, and the second end of the second movable baffle 4 is positioned above the first upper cover 2 and can move left and right. For convenience of description, the moving direction of the first flapper 3 and the second flapper 4 is set as a first direction, a direction perpendicular to the first direction in the same horizontal plane is set as a second direction, and a direction perpendicular to both the first direction and the second direction is set as a third direction. The second upper cover 6 is hinged between the first upper cover 2 and the lower cover 5 in the second direction.
Referring to fig. 2 and 3, the first upper cover 2 is provided with an arc member 21, a hook 22, a first mounting groove 23 and a second mounting groove 24. The arc-shaped part 21 and the hook 22 are both located on the first side of the first upper cover 2, a notch is formed in the arc-shaped part 21 along the axial direction of the arc-shaped part, the hook 22 is located in the notch, a preset distance is reserved between the two sides of the hook 22 and the arc-shaped part 21, and the hook part of the hook 22 is higher than the top surface of the arc-shaped part 21 in the axial direction of the arc-shaped part 21. The first mounting groove 23 and the second mounting groove 24 both penetrate through the first upper cover 2 along the third direction, and the first mounting groove 23 and the second mounting groove 24 both extend along the first direction and are positioned on the same straight line. The first and second mounting grooves 23 and 24 are located on both sides of the arc member 21.
Referring to fig. 4, the first flapper 3 includes a first toggle member 31, a first link head 32, a first rack 33 and a first snap-in portion 34, and the first toggle member 31 and the first rack 33 are located on two planes with different heights along the third direction. The first link head 32 is arranged in an "L" shape, two ends of the first link head 32 are respectively connected with the first toggle piece 31 and the first rack 33, and the connection position of the first toggle piece 31 and the first link head 32 and the connection position of the first rack 33 and the first link head 32 are arranged in a staggered manner in the first direction. The first clamping portion 34 includes two first clamping buckles, and the two first clamping buckles are arranged oppositely along the second direction and are in the same straight line with the first rack 33.
The second flap 4 includes a second toggle member 41, a second connecting head 42, a second rack 43 and a second clamping portion 44, and the second toggle member 41 and the second rack 43 are located on two planes with different heights along the third direction. The second connector 42 is disposed in an "L" shape, and two ends of the second connector 42 are respectively connected to the second toggle member 41 and the second rack 43. The second clamping portion 44 includes two second clamping hooks, which are arranged oppositely along the second direction and are in the same straight line with the second rack 43.
Referring to fig. 6 and 7, a first set of welding lines including a plurality of first welding lines 251 and a plurality of second welding lines 252, a second set of welding lines 26, and a third set of welding lines 27 are provided on the first side of the first upper cover 2. The first welding lines 251 are arranged in a first direction, and a plurality of the first welding lines 251 are respectively provided on both sides of the arc member 21 in a second direction; the second welding lines 252 are arranged along the second direction, a plurality of second welding lines 252 are respectively arranged on both sides of the first direction of the arc-shaped member 21, and the first welding lines 251 and the second welding lines 252 constitute a rectangle in which the arc-shaped member 21 is located.
The first upper cover 2 is provided with two wing portions 28, and the two wing portions 28 are respectively provided on both sides of the arc-shaped member 21 in the first direction and extend in the second direction. A second set of weld lines 26 is circumferentially disposed along the edge of one of the wing portions 28 and a third set of weld lines 27 is circumferentially disposed along the edge of the other wing portion 28.
A first mounting opening 29 is formed between the two wing portions 28, and four sets of first coupling seats 291 are provided in the first mounting opening 29, the four sets of first coupling seats 291 being arranged in the first direction and each protruding toward the first side of the first upper cover 2.
Referring to fig. 1, 9 and 10, the lower cover 5 includes a cross arm 51 and two longitudinal arms 52, the two longitudinal arms 52 are connected to two ends of the cross arm 51, a column 53, a first protrusion 54 and a second protrusion 55 are arranged on the cross arm 51, the first protrusion 54 and the second protrusion 55 are arranged on two sides of the arc-shaped member 21, and the first protrusion 54 and the second protrusion 55 are in the same plane in the third direction.
A second mounting opening 56 is provided between the two trailing arms 52, four sets of second connecting seats 561 and two sets of first abutting portions 562 are provided in the second mounting opening 56, the four sets of second connecting seats 561 are arranged along the first direction, and the second connecting seats 561 and the first connecting seats 291 are oppositely arranged in the third direction and form a clamping opening. The first abutment 562 is arranged at an edge of the second mounting opening 56 in the first direction. First butt portion 562 establishes to be the strip plate structure, and first butt portion 562 extends to the opening direction of second installing port 56, and lower cover 5 adopts the plastic to mould plastics and forms for first butt portion 562 self has certain elasticity.
Referring to fig. 11, the second upper cover 6 is provided with four sets of connecting shafts 61 and two second abutting portions 62, the four sets of connecting shafts 61 being coaxially arranged in the first direction. The second abutting portion 62 is disposed opposite to and elastically abutted against the first abutting portion 562 in the third direction. The second abutting portion 62 is provided with an arc surface, so that when the second upper cover 6 swings upwards by a predetermined angle, the arc surface abuts against the first abutting portion 562 and slightly pushes away the first abutting portion 562, automatic limitation is realized under the elastic action of the first abutting portion 562, and the second upper cover 6 is prevented from accidentally rotating to the original position.
The assembling method of the paper feeding bracket comprises the following steps:
the step of rotationally connecting the gear piece 1 with the first upper cover 2 is as follows:
referring to fig. 3, the central hole of the gear 1 is aligned with and sleeved on the arc 21, so that the hook 22 is located in the central hole, the central hole is in clearance fit with the arc 21 and the hook 22, the hook 22 is adjacent to the end face of the gear 1, and the gear 1 can rotate around its own axis.
The step of slidably coupling the first shutter 3 to the first upper cover 2:
referring to fig. 2, the first rack 33 passes through the first mounting groove 23 from the second side of the first upper cover 2 and moves a preset distance along the second direction, so that the first connecting head 32 is inserted into the first mounting groove 23, the first toggle member 31 and the first rack 33 are respectively disposed on two sides of the first upper cover 2, the first clamping portion 34 is clamped with the first mounting groove 23, and the first rack 33 is engaged with the gear member 1. Then, the first toggle member 31 is pushed in the first direction, the sliding condition of the first flapper 3 and the engagement condition of the first rack 33 and the gear member 1 are tested, and if the back and forth movement is smooth, the next step is performed.
The step of slidably connecting the second shutter 4 to the first upper cover 2:
referring to fig. 2, the second rack 43 passes through the second mounting groove 24 from the second side of the first upper cover 2 and moves a predetermined distance along the second direction, so that the second connector 42 is inserted into the second mounting groove 24, the second toggle part 41 and the second rack 43 are respectively disposed on two sides of the first upper cover 2, the second clamping portion 44 is clamped with the second mounting groove 24, and the second rack 43 is engaged with the gear member 1. Then, the second toggle piece 41 is pushed in the first direction, the sliding condition of the second flap 4 and the engagement condition of the second rack 43 and the gear piece 1 are tested, and if the back and forth movement is smooth, the next step is performed.
The step of ultrasonically connecting the lower cover 5 with the first upper cover 2:
referring to fig. 6 to 8, the first upper cover 2 and the lower cover 5 are arranged to be stackable in the third direction such that the post 53 is inserted into the central hole of the gear member 1 and into the center of the arc member 21, the first rack 33 is adjacent to the first projection 54, the second rack 43 is adjacent to the second projection 55, the first set of weld lines is adjacent to the surface of the cross arm 51, and the second set of weld lines 26 and the third set of weld lines 27 are adjacent to the surface of the longitudinal arm 52, respectively.
The ultrasonic device is activated to melt the first, second and third sets of weld lines 26, 27 so that the first upper cover 2 is bonded to the lower cover 5.
The step of connecting the second upper cover 6 with the first upper cover 2 and the lower cover 5:
referring to fig. 9 and 10, the connecting shaft 61 of the second upper cover 6 is inserted into the corresponding holding port in the second direction, so that the second abutting portion 62 elastically abuts against the first abutting portion 562. And then manually swinging the second upper cover 6 up and down to test the connection condition of the second upper cover 6.

Claims (7)

1. The method for assembling the paper feeding bracket comprises a gear piece, a first upper cover, a first movable baffle, a second movable baffle, a lower cover and a second upper cover;
the method is characterized in that:
the assembling method comprises the following steps:
rotatably connecting the gear piece with the first upper cover;
a step of slidably connecting the first shutter to the first upper cover;
a step of slidably connecting the second shutter to the first upper cover;
a step of connecting the lower cover and the first upper cover by ultrasonic waves;
a step of connecting the second upper cover with the first upper cover and the lower cover.
2. The assembly method according to claim 1, wherein:
an arc-shaped piece and a clamping hook are arranged on the first side of the first upper cover, a notch is formed in the arc-shaped piece, and the clamping hook is located in the notch;
the gear piece is provided with a central hole;
the step of rotationally coupling the gear member with the first upper cover includes: and sleeving the gear piece on the arc-shaped piece, and enabling the clamping hook to be adjacent to the end face of the gear piece.
3. The assembly method according to claim 1, wherein:
a first mounting groove penetrates through the first upper cover and is arranged along the sliding direction of the first movable baffle;
the first movable baffle comprises a first shifting piece, a first rack and a first clamping part, the first shifting piece and the first rack are respectively positioned on two planes with different heights, and the first clamping part is positioned on the bottom wall of the first shifting piece;
the step of slidably coupling the first flapper to the first cover includes: and the first rack passes through the first mounting groove from the second side of the first upper cover, so that the first rack is meshed with the first side of the gear piece and is connected with the first mounting groove in a clamping manner, and the first clamping portion is clamped with the first mounting groove.
4. The assembly method according to claim 3, wherein:
a second mounting groove penetrates through the first upper cover and is arranged along the sliding direction of the second movable baffle;
the second movable baffle comprises a second shifting piece, a second rack and a second clamping part, the second shifting piece and the second rack are respectively positioned on two planes with different heights, and the second clamping part is positioned on the bottom wall of the second shifting piece;
the step of slidably coupling the second flapper to the first cover includes: and the second rack penetrates through the second mounting groove from the second side of the first upper cover, so that the second rack is meshed with the second side of the gear piece and is connected with the second side of the gear piece, and the second clamping part is clamped with the second mounting groove.
5. The assembly method according to claim 4, wherein:
a first group of welding lines, a second group of welding lines and a third group of welding lines are arranged on the first side of the first upper cover, the first group of welding lines are arranged along a first direction, the second group of welding lines and the third group of welding lines are arranged in parallel along a second direction, and the first direction is perpendicular to the second direction;
the lower cover is provided with a column body, a first bulge and a second bulge, and the first bulge and the second bulge are positioned on two sides of the column body;
the step of ultrasonically coupling the lower cover to the first upper cover includes: arranging the first upper cover and the lower cover in a foldable manner, so that the column body is inserted into the central hole of the gear piece, the first rack is adjacent to the first bulge, the second rack is adjacent to the second bulge, and the first set of welding lines, the second set of welding lines and the third set of welding lines are all adjacent to the surface of the lower cover;
and starting an ultrasonic device to melt the first set of welding lines, the second set of welding lines and the third set of welding lines, so that the lower cover and the first upper cover are bonded.
6. The assembly method according to claim 5, wherein:
four groups of first connecting seats are arranged on the first upper cover and arranged along the first direction;
four groups of second connecting seats are arranged on the lower cover, and the second connecting seats are opposite to the first connecting seats and form clamping ports;
four groups of connecting shafts are arranged on the second upper cover and are coaxially arranged;
the step of coupling the second upper cover with the first upper cover and the lower cover includes: and inserting the connecting shaft into the clamping opening, so that the connecting shaft can rotate along the axial direction of the connecting shaft.
7. The assembly method according to claim 6, wherein:
the lower cover is also provided with two groups of first abutting parts which are positioned at the outer sides of all the second connecting seats;
the second upper cover is also provided with two groups of second abutting parts which are elastically abutted with the first abutting parts.
CN201911181031.0A 2019-11-27 2019-11-27 Method for assembling paper feeding bracket Active CN110871575B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911181031.0A CN110871575B (en) 2019-11-27 2019-11-27 Method for assembling paper feeding bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911181031.0A CN110871575B (en) 2019-11-27 2019-11-27 Method for assembling paper feeding bracket

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CN110871575A true CN110871575A (en) 2020-03-10
CN110871575B CN110871575B (en) 2021-11-23

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332209A (en) * 1993-10-27 1994-07-26 Eastman Kodak Company Adjustable feed tray assembly
US20060291944A1 (en) * 2005-06-24 2006-12-28 Teco Image Systems Co., Ltd Paper feeding mechanism
CN103420184A (en) * 2012-05-18 2013-12-04 致伸科技股份有限公司 Paper bearing plate
CN208216309U (en) * 2018-05-04 2018-12-11 厦门爱印科技有限公司 A kind of printer limit wide sliding block self-locking structure of paper
CN211868944U (en) * 2020-03-02 2020-11-06 深圳太极云软技术有限公司 Electric telescopic tray

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332209A (en) * 1993-10-27 1994-07-26 Eastman Kodak Company Adjustable feed tray assembly
US20060291944A1 (en) * 2005-06-24 2006-12-28 Teco Image Systems Co., Ltd Paper feeding mechanism
CN103420184A (en) * 2012-05-18 2013-12-04 致伸科技股份有限公司 Paper bearing plate
CN208216309U (en) * 2018-05-04 2018-12-11 厦门爱印科技有限公司 A kind of printer limit wide sliding block self-locking structure of paper
CN211868944U (en) * 2020-03-02 2020-11-06 深圳太极云软技术有限公司 Electric telescopic tray

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