JP3014464U - Paper feed cassettes for fax machines, etc. - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a compatible paper feed cassette paper holding claw that can be used as either the left or right paper holding claw. [Structure] The front and left corners P of the paper P set in a paper cassette that is detachably attached to a facsimile machine or the like
A paper pressing claw 13 for pressing a and Pb, which has a claw body 13a attached to the paper feed cassette, and a left side for pressing a left edge corner Pa of the paper at the tip of the claw body 13a. The pressing piece 13b and the right side pressing piece 13c for pressing the tip right side corner portion Pb are integrally formed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a paper pressing claw for pressing the left and right corners of the front end of a paper set in a paper feed cassette detachably mounted in a facsimile machine or a copying machine.

[0002]

[Prior art]

 Conventionally, there is a sheet feeding cassette of this type shown in FIG. This is a rectangular saucer-shaped cassette main body 1, and guide walls 2a and 2b that are provided on the bottom surface of the cassette main body 1 so as to project from the left and right in parallel and support the paper P set in the cassette main body 1 from the left and right, It has a pair of left and right paper pressing pawls 3a, 3b arranged at the tip end portions of the respective guide wall portions 2a, 2b, and the paper pressing pawls 3a, 3b are pivotally supported by the respective guide wall portions 2a, 2b. Substantially L-shaped claw bodies 5a and 5b pivotally supported by bolts 4 and 4 within a certain angle range, and papers bent at right angles from the tip portions of the claw bodies 5a and 5b. As shown in FIG. 6, after the paper P is set in the cassette main body 1, the cassette main body 1 is set to a facsimile machine or a copying machine. The top of the top paper P on the cassette body 1 When the paper feed roller 7 comes into contact with the upper surface and then the start button is pressed, the paper feed roller 7 is rotated and the uppermost paper P is pushed forward. Both left and right corners Pa and Pb of the tip are detached from the pressing pieces 6a and 6b and sent out to a facsimile device or a copying machine.

[0003]

[Problems to be solved by the device]

 In the above conventional configuration, since the left paper pressing claw 3a and the right paper pressing claw 3b have different bending directions of the pressing pieces 6a and 6b, there is no compatibility, and therefore the left paper pressing claw 3a and the right paper pressing claw 3a are not compatible. Since it is necessary to separately form 3b, the manufacturing cost is high, and the left side paper pressing pawl 3a and the right side paper pressing pawl 3b are attached to the left and right at the time of assembling the paper feeding cassette, which may cause an assembly error. There is also this.

In view of the above-mentioned conventional drawbacks, the present invention has an object to provide a paper feed cassette paper presser pawl for a facsimile machine or the like having compatibility so that it can be used as either the left or right paper presser pawl. .

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 is a paper pressing claw for pressing the left and right corners of the front end of a paper set in a paper feed cassette detachably mounted in a facsimile machine or the like. , A claw body attached to the paper feed cassette, and a tip of the claw body has a left side pressing piece for pressing the left side corner of the paper and a right side pressing piece for pressing the right side corner of the paper. It is characterized by being integrally formed.

According to a second aspect of the invention, in the device according to the first aspect, the left-side pressing piece and the right-side pressing piece are protruded in directions opposite to each other from an upper edge portion of the tip of the pawl body toward the side. It is characterized by that.

According to a third aspect of the present invention, in the first aspect of the invention, the left-side pressing piece and the right-side pressing piece are the same from the top upper edge portion and the tip lower edge portion of the nail body toward the side. The feature is that it is projected in the direction.

[0008]

[Action]

 The invention according to claim 1, wherein the left and right corners of the paper are engaged with the pressing pieces of the left and right paper pressing claws provided in the paper feeding cassette, the paper is set in the paper feeding cassette, and then the paper feeding cassette is set. When mounted on a facsimile machine or copier, the paper feed roller contacts the top surface of the topmost paper in the paper feed cassette, and then the start button is pressed to rotate the paper feed roller. Then, the topmost paper is pushed forward, and the left and right corners of the tip of the topmost paper are disengaged from the pressing pieces of the paper pressing claws and sent to a facsimile machine or a copying machine.

In this case, the left and right presser pieces are provided on both the paper presser pawls, and the shapes thereof are the same and interchangeable, and the left paper presser pawl and the right paper presser pawl are separately provided. Since there is no need to manufacture it, it is only necessary to manufacture one type of paper presser pawl, the manufacturing cost is low, and there is no mistake in attaching the paper presser pawl when assembling the paper feed cassette. The assembly work can be performed.

According to the second aspect of the present invention, since the left-side pressing piece and the right-side pressing piece are projected laterally from the upper edge portion of the front end of the claw body in the opposite directions, By simply attaching each paper holding claw to the predetermined position of the cassette, it is possible to securely press the left and right corners of the leading edge of the paper set in the paper feeding cassette by either one of the holding pieces.

According to the third aspect of the present invention, the right-side pressing piece and the left-side pressing piece are protruded in the same direction laterally from the tip upper edge portion and the tip lower edge portion of the claw body. Therefore, simply attach both paper pressing pawls to the paper feed cassette at the specified positions so that the presser feet of both paper pressing pawls face each other, and the paper is fed by the presser pieces located above the paper pressing pawls. The left and right corners of the leading edge of the paper set in the cassette can be pressed securely.

[0012]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a sheet feeding cassette using a pair of paper pressing pawls 13 and 13 according to a first embodiment of the present invention, and the paper pressing pawls 13 and 13 are as shown in FIG. A pawl body 13a pivotally supported by guide bolts 2a and 2b of the cassette body 1 via pivot bolts 4 and 4 within a certain range so that the pawl body 13a faces laterally from the upper edge of the tip of the pawl body 13a. And a substantially L-shaped pressing piece 13b, 13c that protrudes in opposite directions. The left side pressing piece 13b presses the tip left side corner portion Pa of the paper P, and the right side pressing piece 13c is the paper P The right side corner Pb of the tip is pressed. In FIG. 3, reference numeral 15 denotes a paper support plate rotatably arranged at the bottom of the cassette body 1, and 16 urges the paper support plate 15 upward so that the paper P is held by both paper pressing claws 13, 13. It is a spring that is pressed against the pressing pieces 13b and 13c.

In the above structure, as shown in FIGS. 1 to 3, the left and right corners Pa and Pb of the paper P are engaged with the holding pieces 13b and 13c of the left and right paper holding claws 13 and 13 provided in the cassette body 1. After the sheets P are put together in the cassette body 1 and set in the cassette body 1, the cassette body 1 is mounted on a facsimile machine, a copying machine, or the like, so that the top surface of the topmost sheet P on the cassette body 1 is fed. When the paper roller 7 comes into contact, and then the start button is pressed, the paper feed roller 7 is rotated and the uppermost paper P is pushed forward (see the phantom line in FIG. 2). The left and right corners Pa and Pb of the paper P are detached from the pressing pieces 13b and 13c and sent to a facsimile machine or a copying machine.

In this case, the left and right paper pressing claws 13 and 13 are provided with a left side pressing piece 13b and a right side pressing piece 13c, both of which have the same shape and are compatible with each other. Since it is not necessary to manufacture the claw 13 separately, it is sufficient to manufacture one kind of paper pressing claw 13 and the manufacturing cost is low. Further, simply by attaching the paper pressing claws 13 and 13 at predetermined positions of the cassette body 1, the front end of the paper P set in the cassette body 1 by one of the pressing pieces 13b and 13c of the paper pressing claws 13 and 13 is attached. The left and right corners Pa and Pb can be reliably pressed, and unlike the conventional case, the paper pressing claws 13 and 13 can be installed correctly, and the assembly work of the paper feed cassette can be efficiently performed. it can.

FIG. 5 shows a paper pressing claw 23 according to a second embodiment of the present invention, in which a left side pressing piece 23b and a right side pressing piece 23c are provided from the upper edge and the lower edge of the tip of the nail body 23a. And are projected laterally in the same direction as each other.

In the above configuration, when a pair of paper pressing claws 23, 23 is attached to the cassette body 1 to assemble a paper feeding cassette, the pressing pieces 23b, 23c of both paper pressing claws 23, 23 are made to face each other. Then, the claw bodies 23a, 23a may be pivotally attached to the guide wall portions 2a, 2b through the pivot bolts 4, 4 in a procedure similar to that of the first embodiment.

In this case, the left and right corners Pa and Pb of the front end of the paper P set in the cassette body 1 can be reliably pressed by the pressing pieces 23b and 23c located above the both paper pressing claws 23 and 23. .

[0018]

[Effect of device]

 According to the first aspect of the invention, the left and right presser pieces are provided on both paper pressing claws, and the shapes are the same and compatible with each other, and the left and right paper pressing claws are separated. Since it is not necessary to manufacture it, it is only necessary to manufacture one type of paper presser pawl, which reduces the manufacturing cost, and does not cause an error in attaching the paper presser pawl when assembling the paper feed cassette, thus improving efficiency. Assembly work can be performed.

According to the second aspect of the present invention, since the left-side pressing piece and the right-side pressing piece are laterally projected from the upper edge portion of the front end of the pawl body in the opposite directions, By simply attaching each paper holding claw to the predetermined position of the cassette, it is possible to securely press the left and right corners of the leading edge of the paper set in the paper feeding cassette by either one of the holding pieces.

According to the third aspect of the present invention, the right-side pressing piece and the left-side pressing piece are protruded in the same direction laterally from the tip upper edge portion and the tip lower edge portion of the claw body. Therefore, simply set both paper pressing pawls to face each other, and attach both paper pressing pawls to the paper feeding cassette at the specified positions, and set them on the paper feeding cassette with the upper pressing tabs of both paper pressing pawls. The left and right corners of the scraped paper can be securely pressed.

[Brief description of drawings]

FIG. 1 is a perspective view of a paper feed cassette using a pair of paper pressing claws according to a first embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a cross-sectional view of the same.

FIG. 4 is a perspective view of the paper holding claw.

FIG. 5 is a perspective view of a paper holding claw that is a second embodiment of the present invention.

FIG. 6 is a perspective view showing a conventional example.

[Explanation of symbols]

 1 cassette body 13 paper pressing claw 13a claw body 13b left side pressing piece 13c right side pressing piece 23 paper pressing claw 23a claw body 23b left side pressing piece 23c right side pressing piece P paper Pa paper leading edge left corner Pb paper leading right corner

Claims (3)

[Scope of utility model registration request] 1. A paper pressing pawl for pressing the left and right corners of the front end of a paper set in a paper feeding cassette detachably mounted in a facsimile machine or the like, and having a pawl body attached to the paper feeding cassette. A facsimile machine characterized in that a left-side pressing piece for pressing the left-hand corner of the paper and a right-side pressing piece for pressing the right-hand corner of the tip are integrally formed at the tip of the claw body. Paper feed cassette paper retainer claws, etc. 2. The facsimile device according to claim 1, wherein the left-side pressing piece and the right-side pressing piece are protruded in opposite directions laterally from an upper edge of the tip of the nail body. Paper feed cassette paper retainer claw. 3. The left-side pressing piece and the right-side pressing piece are protruded in the same direction laterally from the tip upper edge portion and the tip lower edge portion of the claw body. Paper feed claws for paper feed cassettes such as the listed facsimile machines.