JP3538012B2 - Opening / closing cover opening / closing support device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is applied to a facsimile machine, a copying machine, a scanner unit, and the like, and is used for opening and closing a cover, such as a unit body, which can be opened and closed with respect to an apparatus body. It relates to a support device.

[0002]

2. Description of the Related Art FIG. 7 is an external view of an example of a conventional facsimile machine, FIG. 8 is a schematic configuration diagram for explaining the configuration of an upper unit case 5 in FIG. 7, and FIG. FIG. 1 is an enlarged view of a main body of the apparatus, in which a cassette 2 for accommodating recording paper is detachably installed at a lower portion, and a known image forming section 3 for forming an image on the recording paper is built in a central portion. A document reading unit 4 having an automatic document feeding unit is provided at an upper part thereof. A main part of the document reading unit 4 is provided rotatably with the left side as a fulcrum relative to the upper part of the apparatus main body 1. It is housed in the upper unit case 5.

Reference numeral 10 denotes a document setting table, 11 denotes a pickup roller for feeding a document set on the document setting table 10, 12 denotes a feed roller, and 13 denotes a paper feed roller whose end is pressed against the feed roller 12. A rubber separation pad for preventing double feeding of a fed document, a contact image sensor 14 for reading an image of the fed document, and a white roller 15 for pressing the document against the contact image sensor 14 , 16 and 17 are contact image sensors 1
4, a pair of transport rollers for transporting a document at a predetermined timing, reference numerals 18 and 19 denote a pair of upper and lower guide plates forming a document transport path 20, and reference numeral 21 a document placed near the pickup roller 11. Tip detection sensor,
Reference numeral 22 denotes a main motor that drives each part of the constituent members.

The upper unit body case 5 includes a separation pad 1.
3. Upper roller 16 in transport roller pair 16, 17
a, 17 a, a white roller 15, and the like.
For example, the rear side (the right side in the figure) of the apparatus main body 1 around the support shaft 23 of the upper roller 17a in the pair of transport rollers 17 on the downstream side of the document transport path 20 can cope with troubles such as jams and paper jams. Open the document feed path 2
0 is openable to the outside.

[0005]

However, in the prior art, it is necessary to rotate the upper unit case 5 to open the document conveying path 20, but the general operator cannot know the direction of the rotation operation. In addition, there is a problem that the pivot 23 such as the pivot 23 may be damaged when the support shaft 23 is forcibly lifted to open the upper unit case 5.

[0006] The above problem also occurs in an electronic device or the like in which an opening / closing cover is provided so that a part of the device main body can be opened and closed.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned conventional problems and to provide an opening / closing support device for an opening / closing cover which can smoothly open and close an opening / closing cover, such as an upper unit case, with respect to the apparatus main body, and is excellent in operability. Is to provide.

[0008]

In order to achieve the above object, the present invention relates to an opening and closing support device for supporting an opening and closing cover provided to open and close a part of an apparatus body. By holding the opening / closing cover with respect to the apparatus main body, and installing the holding members capable of releasing the holding at two opposing positions, and operating each holding member, from any of the two directions, It is possible to open and close the openable cover, by this configuration,
The opening / closing cover can be opened / closed from both front and rear sides, thereby avoiding a trouble in opening and closing the conventional opening / closing cover.

Further, the present invention is arranged such that when the holding of the opening / closing cover by the two holding members is released, the opening / closing cover can be moved in the holding member installation direction.
The opening / closing cover is provided with a guide member. With this configuration, handling of the opening / closing cover after the holding by the holding member is released is easy and easy, and the opening of the portion covered by the opening / closing cover is smoothly performed. Can be done.

[0010] The present invention is also arranged such that the opening / closing cover can be moved in a direction substantially orthogonal to the holding member installation direction when the holding of the opening / closing cover by the two holding members is released. The guide member is provided on the opening / closing cover, and by this configuration, the handling of the opening / closing cover after the holding by the holding member is released is easy and easy, and the opening of the portion covered by the opening / closing cover is smoothly performed. It can be carried out.

The present invention further comprises a moving means for moving the guide member from the holding position toward the moving passage when the holding of the open / close cover by the two holding members is released. After the holding by the holding member is released, the guide member is automatically moved to the moving passage by the moving means, so that the handling of the opening / closing cover becomes further simpler and easier.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In the following description, members corresponding to the members described with reference to FIGS. 7 to 9 are denoted by the same reference numerals, and detailed description is omitted.

FIG. 1 is a configuration diagram of a reference example for explaining an embodiment of the present invention, and shows a configuration of a main part in a facsimile apparatus shown in FIG. Locking shafts 32, 33 are locking shafts 30, 31
Engagement claw bodies removably fitted with respect to
Is an operating rod which is connected to the engaging claw bodies 32 and 33 by the support shafts 36 and 37 and whose upper part protrudes outside from the upper unit body case 5.

The holding members 38 and 39 for holding the upper unit case 5 as an opening / closing cover to the apparatus main body 1 are formed by the locking shafts 30 and 31, the engagement claws 32 and 33, and the operating rods 34 and 35. Normally, the upper unit case 5 is located between the upstream and downstream
It is held by the apparatus main body 1 at the location.

Here, when a jam or the like occurs in the document conveyance path 20 and it becomes necessary to open the document to the outside, the operator selects and operates one of the operation levers 34 and 35. For example, as shown in FIG. 2, when operating the operating rod 35 on the rear side of the upper unit body case 5, when the operating rod 35 is pulled forward (to the left in the figure), the engaging claw 33 is supported. Pivots counterclockwise about axis 37,
The fitted state with the locking shaft 31 is released.

In this state, as shown in FIG. 3, when the rear upper unit body case 5 is lifted, the front locking shaft 30 and the engagement claw body 32 are in the fitted state. The unit case 5 rotates counterclockwise about the locking shaft 30, so that the document feed path 20 is opened from the rear side of the upper unit case 5.

When operating the front operating rod 34 in the upper unit body case 5, the operating rod 34 is pushed backward (to the right in the figure), and the engaging claw 32 is moved
6 and rotates in a clockwise direction, and the fitted state with the locking shaft 30 is released.

In this state, the upper unit body case 5 on the front side
When the upper unit body case 5 is lifted, the rear locking shaft 31 and the engagement claw body 33 are in the fitted state.
Is rotated clockwise about the locking shaft 31, so that the document conveying path 20 is opened from the front side of the upper unit case 5.

As described above, in this embodiment, the document conveying path 20 covered by the upper unit case 5 is opened by operating any of the holding members 38 and 39 provided before and after the upper unit case 5. It is possible to prevent occurrence of trouble due to erroneous operation by the operator.

In the holding members 38 and 39, a lock mechanism or the like is provided for securing the engagement between the locking shafts 30 and 31 and the engagement claws 32 and 33, or the locking shafts 30 and 31 It is also conceivable to provide a mechanism or the like for facilitating the release of the fitting between the base member 31 and the engagement claw bodies 32 and 33.

FIG. 4 is a block diagram showing a main part for explaining a first embodiment of the present invention. In the first embodiment,
Although not shown, the holding members 38 and 3 in the reference example described above are used.
9 are provided, and these holding members 38, 3
When the holding of the upper unit body case 5 with respect to the apparatus body 1 by the device 9 is released, the upper unit body case 5 can move in the front-rear direction.

In FIG. 4, reference numerals 40 and 41 denote a right guide member and a left guide member which are provided at a distance from each other so as to hang down from a lower portion of the upper unit body case 5. 41, rollers 42 and 43 are provided at the lower end, respectively.
When the upper unit case 5 is held at the home position (fixed position during normal operation), the concave portions 46, 4 provided in a part of the guide rails 44, 45 are provided.
7 respectively. Further, in the recesses 46 and 47, biasing springs 48 and 49 for biasing the rollers 42 and 43 upward are provided.

The guide rails 44 and 45 are provided at the upper portion of the apparatus main body 1 for guiding the right guide member 40, and are provided at the lower portion for guiding the left guide member 41. 44 has a stopper portion 44a on the left side that contacts the right guide member 40, and a lower guide rail 45 has a stopper portion 45a that contacts the left guide member 41. Is regulated.

In the first embodiment having the above-described structure, the two holding members 3 are similar to those already described in the description of the reference example.
When the upper unit body case 5 is released from the apparatus main body 1 by operating the operating rods 34 and 35 of 8, 39 to release the front and rear of the upper unit body case 5, the urging spring 48 The rollers 42 and 43 receiving the urging forces of the rollers 49 and 49 rise, and move from the bottoms of the concave portions 46 and 47 to positions where they can ride on the guide rails 44 and 45.

Therefore, the operator can move the upper unit body case 5 in the front-rear direction by the guides of the rollers 42, 43 rolling on the guide rails 44, 45, so that an arbitrary portion of the document conveying path 20 can be moved. The upper unit body case 5 can be moved back and forth so as to be opened.

FIG. 5 is a structural view showing a main part for explaining a second embodiment of the present invention. In this second embodiment, too, although not shown, the holding member 3 in the reference example is used.
8 and 39 are provided.
When the holding of the upper unit body case 5 with respect to the apparatus main body 1 by 8 and 39 is released, the upper unit body case 5 can be moved in the left-right direction (the paper surface direction in the drawing).

In FIG. 5, reference numerals 50 and 51 denote a right guide member and a left guide member which are provided at a distance from each other so as to hang down from the lower portion of the upper unit body case 5. 51 are provided with rollers 52 and 53 at the lower end, respectively.
When the upper unit body case 5 is held at the home position, the recesses 56 and 57 are provided in part of the guide rails 54 and 55 extending in the left-right direction on the upper surface of the apparatus main body 1. Mating. Further, each recess 5
6 and 57 are provided with biasing springs 58 and 59 for biasing the rollers 52 and 53 upward, respectively. Although not shown, the guide rails 54 and 55 are provided with stoppers for restricting the movement range of the upper unit case 5.

In the second embodiment having the above-described structure, the two holding members 3 are similar to those already described in the description of the reference example.
When the upper unit body case 5 is released from the apparatus body 1 by operating the operating rods 34 and 35 of the upper and lower units 8 and 39 to release the front and rear of the upper unit body case 5, the urging spring 58 The rollers 52 and 53 receiving the urging forces of the guide rails 54 and 55 move up from the bottoms of the recesses 56 and 57 to positions where they can ride on the guide rails 54 and 55.

Therefore, the operator can move the upper unit case 5 in the left-right direction by the guides of the rollers 52, 53 which roll on the guide rails 54, 55, so that any part of the document conveying path 20 can be moved. The upper unit body case 5 can be moved right and left so as to be opened.

FIG. 6 is a structural view showing a main part for explaining a third embodiment of the present invention. Also in this third embodiment, although not shown, the holding member 3 in the above-mentioned reference example is used.
8 and 39 are provided.
When the holding of the upper unit body case 5 with respect to the apparatus main body 1 by 8, 39 is released, the upper unit body case 5 can be freely moved in the front-rear direction and the left-right direction (the paper surface direction in the drawing). I have.

In FIG. 6, reference numerals 60 and 61 denote a right guide member and a left guide member which are provided at a distance from each other so as to hang down from a lower portion of the upper unit body case 5. Rolling spheres (may be hemispherical) 62, 63 are provided at the lower end of the rolling element 61, respectively. The upper unit body case 5 of each of the rolling spheres 62, 63 is held at the home position. When
A concave portion 66 provided in a part of the guide flat portions 64, 65;
67 respectively. Further, each recess 66, 67
Are provided with biasing springs 68, 69 for biasing the rolling spheres 62, 63 upward, respectively.

The guide flat portions 64 and 65 are provided at the upper portion of the apparatus main body 1 for guiding the right guide member 60 and at the lower portion for guiding the left guide member 61. The flat portion 64 is provided on the left with a stopper portion 64a that contacts the right guide member 60, and the lower guide flat portion 65 is provided with a stopper portion 65a that contacts the left guide member 61. Regulates the range of movement. Although not shown, a stopper is also provided in the left-right direction for restricting the movement range of the upper unit case 5.

In the third embodiment having the above-mentioned structure, both holding members 3 are provided in the same manner as described in the description of the reference example.
When the upper unit body case 5 is released from the apparatus main body 1 by operating the operating rods 34 and 35 of 8, 39 to release the front and rear of the upper unit body case 5, the urging spring 68 The rolling spheres 62 and 63 receiving the urging forces of the first and second members 69 and 69 rise and move from the bottoms of the concave portions 66 and 67 to positions where they can ride on the guide flat portions 64 and 65.

Therefore, the operator can move the upper unit body case 5 back and forth and right and left by the rolling spheres 62 and 63 which roll on the guide flat portions 64 and 65, so that the upper unit body case 5 can be moved arbitrarily in the document conveying path 20. The part can be opened.

[0035]

As described above, according to the opening / closing cover opening / closing support device of the present invention, it is possible to open / close the opening / closing cover from both front and rear sides, and it is possible to open / close the conventional opening / closing cover. Can be avoided, the usability is good, and the operability of opening and closing can be improved.
The practical effect is great.

Further, after the holding is released, the opening / closing cover can be moved back and forth / left / right, so that the handling is simple and easy, and any part covered by the opening / closing cover can be smoothly opened. It can be carried out.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a main part of a facsimile apparatus that is a reference example for describing an embodiment of the present invention.

FIG. 2 is a configuration diagram for explaining an operation process (at the time of holding and opening the upper unit body case) in the present reference example.

FIG. 3 is a configuration diagram for explaining an operation process (when the upper unit case is rotated) in the present reference example;

FIG. 4 is a configuration diagram showing a main part for describing a first embodiment of the present invention;

FIG. 5 is a configuration diagram showing a main part for describing a second embodiment of the present invention.

FIG. 6 is a configuration diagram showing a main part for describing a third embodiment of the present invention.

FIG. 7 is an external view of an example of a conventional facsimile machine.

FIG. 8 is a schematic configuration diagram for explaining the configuration of an upper unit case part of FIG. 7;

FIG. 9 is an enlarged view of a main part of FIG. 8;

[Explanation of symbols]

1 Device body 5 Upper unit case 20 Document transport path 30, 31 Locking shaft 32,33 engaging claw body 34, 35 Operating rod 36,37 Support shaft 38, 39 holding member 40, 41, 50, 51, 60, 61 Guide member 42, 43, 52, 53 rollers 44, 45, 54, 55 Guide rail 44a, 45a, 64a, 65a Stopper part 46, 47, 56, 57, 66, 67 recess 48, 49, 58, 59, 68, 69 biasing spring 62,63 rolling sphere 64, 65 Guide flat part

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04N 1/00 H04N 1/04-1/207

Claims (4)

(57) [Claims] An opening / closing support device for supporting an opening / closing cover provided so as to be able to open and close a part of an apparatus main body, wherein the opening / closing cover is held with respect to the apparatus main body, and the holding of the holding is performed. released installed in two places to the opposite holding member is possible, by operating one of the holding member, the cover about the other holding member
Rotatable, and the opening and closing cover by the two holding members
The holding member installation direction
So that the opening and closing cover can be moved to
An opening and closing support device for the opening and closing cover, wherein a guide member is provided on the opening and closing cover. 2. A part of the apparatus body is opened and closed.
Opening / closing support that supports the opening / closing cover provided to allow
In the device, the opening / closing cover is held with respect to the device main body.
Holding members that can be released
In two places to operate one of the holding members
Therefore, the opening / closing cover is centered on the other holding member.
When the rotatable and was holding release to said cover by said two holding members, the holding member installation direction
Wherein such cover is capable of moving, closing support device Open Closed cover you characterized by providing a guide member on the cover in a direction substantially perpendicular to the. 3. A part of the apparatus body is opened and closed.
Opening / closing support that supports the opening / closing cover provided to allow
In the device, the opening / closing cover is held with respect to the device main body.
Holding members that can be released
In two places to operate one of the holding members
Therefore, the opening / closing cover is centered on the other holding member.
When the rotatable and was holding release to said cover by said two holding members, the holding member installation direction
And so that the open-close cover in a direction substantially perpendicular to the holding member installation direction can be moved, closing the support device of the open-closed cover you characterized by providing a guide member on the cover. Wherein said When performing the holding release to said cover by both holding members, said guide claim 1 member from the holding position, characterized in that it comprises a moving means for moving the travel path direction, 2 Or the opening and closing support device of the opening and closing cover according to 3.