JP3093621U - Entrance folding chair - Google Patents

Abstract

(57) [Abstract] [Problem] To provide a folding chair for entrance which is convenient for an apartment house having a low entrance frame (upward frame). A fixed frame (M) attached to and fixed to a wall surface (W) of an entrance, and a turning operation by about 90 degrees (α) about a horizontal axis (XX) to a halfway height position thereof. Seat (S) pivotally attached to the ground, and a grounding stand (H) for covering the sheet (S) in a substantially horizontal deployed use state.
And a link arm (A) for pivotally connecting the mid-height position of the ground stand (H) and the lower position of the fixed frame (M) to form an overall parallel link motion mechanism in a side view. It is a folding chair.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a convenient folding chair for an entrance.

[0002]

[Prior art]

  Generally, the entrance fence (upper Is different from that of a detached house, and is very barrier-free. Since it is often said, it is not possible to sit in a comfortable position on the entrance sash.

[0003]

[Problems to be solved by the device]

  Therefore, you can tie shoelaces or take off long boots and socks at the entrance. Or, in the case of shoe polishing work, an unnatural forward bending posture is required. This is especially inconvenient for the elderly.

[0004]

[Means for Solving the Problems]

  The present invention intends to solve such a problem, and a folding door for that purpose is provided. As a chair, first for a seat with a constant depth only in the upper part of the frame divided by the frame edge A fixed frame that collapses as a folding storage recess and is attached and fixed to the wall of the entrance Frame and

[0005]   To the vicinity of the lower end in the folding storage recess of the fixed frame, Is rotatably pivoted about 90 degrees via a horizontal fulcrum pin, and A sheet in which the folding storage recess for the grounding stand of a certain depth is depressed on the back side of the

[0006]   Attach the ground stand fulcrum pin parallel to the seat fulcrum pin to the back of the sheet. Via the grounding stand, which is also pivotally mounted so that it can be undulated about 90 degrees.

[0007]   The position below the seat fulcrum pin in the fixed frame and the ground contact Place the seat fulcrum pins parallel to each other, facing each other at the mid-height position of the stand. From the link arm pivotally connected by the first and second fulcrum pins for the link arm, Shaped as an overall parallel link motion mechanism,

[0008]   When the above seat is pulled down around the horizontal axis of the fulcrum pin for that seat Is the ground stand that will be suspended from the back of the seat. Support the seat in a substantially horizontal state by grounding it vertically to the floor with Meanwhile,

[0009]   Similarly, folding the seat upright around the horizontal axis of the seat fulcrum pin. Sometimes the seat is in the seat folding storage recess of the fixed frame, In addition, the above ground stand is placed in the folding storage recess for the ground stand of the seat. In addition to being folded and stored, the above-mentioned link arm is attached to the grounding stand's link arm. Into the escape groove for the frame and the escape groove for the link arm of the fixed frame. It is characterized by being put in and related to keep the overall almost flush state,

[0010]   Secondly, it is a foldable seat for seats with a certain depth that is notched and cut into the entrance wall. With a recess

[0011]   Through the horizontal fulcrum pin for the seat to the vicinity of the lower end in the folding storage recess , A grounding star with a certain depth on the back side, which is pivotally mounted so that it can be rotated about 90 degrees. Seat for folding storage recess

[0012]   Attach the ground stand fulcrum pin parallel to the seat fulcrum pin to the back of the sheet. Via the grounding stand, which is also pivotally mounted so that it can be undulated about 90 degrees.

[0013]   On the wall surface, below the seat folding storage recess, Align the seat with the mid-height position in parallel with the seat fulcrum pin. From the link arm pivotally connected by the first and second fulcrum pins for the link arm, Shaped as an overall parallel link motion mechanism,

[0014]   When the above seat is pulled down around the horizontal axis of the fulcrum pin for that seat Is the ground stand that will be suspended from the back of the seat. Support the seat in a substantially horizontal state by grounding it vertically to the floor with Meanwhile,

[0015]   Similarly, folding the seat upright around the horizontal axis of the seat fulcrum pin. Occasionally, the seat will fall into the seat's folding storage recess on the wall, or the ground. Fold the stand into its folding storage recess for the grounding stand. In addition to being stored, the above-mentioned link arm escapes for the link arm of the grounding stand. It is released into the groove and the escape arm for the link arm on the wall surface. It is characterized in that the relationship is set so as to keep the same condition.

[0016]

[Embodiment of device]

  Hereinafter, a specific configuration of the present invention will be described in detail with reference to the drawings. As a first embodiment of the plan, a foldable post-installed on the existing wall (W) at the entrance Shows a chair.

[0017]   This folding chair for the entrance has a fixed frame (M) that also serves as a backrest, It can be rotated to its mid-height position by about 90 degrees (α) around the horizontal axis (XX). Seat (S) that is pivotally attached as shown in FIG. The ground stand (H) and the link stand that keeps the ground stand (H) in a stable upright state. Form a general parallel link motion mechanism in side view from The fixed frame (M) is attached and fixed to the wall surface (W) of the entrance.

[0018]   That is, first of all, regarding the fixed frame (M), this is the same as in FIGS. A frame-shaped frame edge (1) made of natural wood of dirt and the back side of the frame edge (1) With integrated lauan plywood back plate (2), overall width: approx. 384 mm x high Length (length): about 685mm × depth: about 50mm is created in the rectangle, the bottom From the part, the solid grounding base (3) of natural wood is face-to-face integrated only about 100 mm. It is overhanging.

[0019]   Moreover, the inside of the frame defined by the frame edge (1) of the fixed frame (M) is below the frame. From the end (ground plane) to a height of about 265 mm, the decorative lid (4) is fitted and integrated. So to speak, it is in a makeup state that has been backfilled. In that case, the decorative lid (4 ) Is interposed between the front plate (4f) of Lauan plywood and both front and back plates (4f) (2) With a horizontal crossbar (4x) of natural wood and a total of three parallel vertical crossbars (4y) It has a flash structure.

[0020]   And, a larger area than the decorative cover (4) in the frame of the fixed frame (M). Only the upper part that remains as the frame edge (1) as a folding storage recess (G1) for the sheet It is in a state of being depressed by a certain depth of about 44.5 mm from the surface of. Its folding The storage recess (G1) opens to a rectangle with a width of about 328 mm and a height (length) of about 388 mm. Has been done.

[0021]   (5) is a fixed height (length) of about 138 mm (L) in the upper half of the decorative cover (4). 1) Notch recess for link arm, (6) Notch recess It extends from the groove (5) downwards for a certain height (length) (L2) of about 80 mm. It is a relief groove for the link arm receiving fitting that is cut out in 3 extends along the vertical longitudinal center line of the fixed frame (M). However, the escape groove (5) for the link arm is facing upward and upward of the decorative cover (4). Contrary to the opening on the other side, the escape groove (6) for the link arm bracket is made the same. The back plate (2) of the fixed frame (M) is opened to the back of the decorative cover (4). Since it is covered by, it is not visible from the outside.

[0022]   (7) is located on the vertical longitudinal center line of the fixed frame (M), It is a latch receiving groove cut out on the ceiling surface of the frame edge (1) of The later-described latch on the (S) side is pushed in and locked, and the folding storage for the seat is performed. To keep the folded and stored state of the sheet (S) in the recess (G1) locked. Become.

[0023]   Further, the frame edge (1) of the fixed frame (M) is a folding storage recess for a sheet ( G1) is folded at the midpoint of both side surfaces facing the lower end of the sheet. Receiving a pair of left and right seat fulcrum pins that open sideways into the folding storage recess (G1) A perforation hole (8) is provided.

[0024]   (9) is a plurality of attachments having openings distributed in the back plate (2) of the fixed frame (M) It is a hole, and when the sheet (S) is deployed and used, the opening is exposed to the front, Screw the plate tapping screw (10) into the wall (W) of the entrance from the mounting hole (9). By attaching the fixed frame (M) to the wall surface (W), it can be fixed. it can.

[0025]   Use the fixed frame (M) firmly and stably attached to the wall surface (W) of the entrance. As far as possible, the above-mentioned grounding base (3) overhangs against the floor surface (F) of the entrance. The formation may be omitted, and the fixed frame (M) is made of stainless steel instead of wood. It does not matter if the frame is integrated from a metal material such as steel.

[0026]   Next, the sheet (S) is made of solid natural wood base (11) as shown in FIGS. Instead, the intermediate plate (12) of lauan plywood and the urethane sheet Consisting of a home cushion film (13) and an epidermis (14) such as synthetic leather, Almost compatible with the seat folding storage recess (G1) of the fixed frame (M) As a size to match, width: about 328 mm × height (length): about 382.5 mm × thickness: It is shaped into a rectangle of about 44 mm.

[0027]   (15) is a seat fulcrum pin receiving hole (8) on the fixed frame (M) side As a pair of left and right facing each other, a middle table (11) on the seat (S) Seat fulcrum pin receiving hole formed in the lower base end of the seat (S) A fulcrum pin receiving hole (15) opened laterally from both side surfaces of the fixing frame and the fixing frame. The frame (M) side is laid horizontally across the seat fulcrum pin receiving hole (8) The seat (S) is raised by the left and right pair of horizontal seat fulcrum pins (16). The frame can be rotated up and down by about 90 degrees (α) to the frame edge (1) of the fixed frame (M). Is pivotally attached to.

[0028]   In that case, each fulcrum pin (16) in the illustrated example has a stepped dowel shape, A pre-compression coil spring (17) is provided in the fulcrum pin receiving hole (15) on the side (S). The thick shaft at one end of each fulcrum pin (16) is enclosed in the compression coil. Against the seat (S) side fulcrum pin receiving hole (15) while resisting the spring (17) Push it down until it sinks, and then attach the thin shaft at the other end to the fixed frame (M) side. By inserting the seat (S) into the fulcrum pin receiving hole (8), The frame edge (1) of the ram (M) can be instantaneously pivoted.

[0029]   According to this, the restoring elastic pressure of the compression coil spring (17) is increased by each fulcrum pin (16). As a result of urging the) to prevent it from coming off, the safety in using the seat is remarkably excellent. (1 8) is both side surfaces of the seat (S) and the frame edge (1) of the fixed frame (M) It is a washer made of synthetic resin such as nylon inserted between the Prevents rattling and rubbing.

[0030]   (19) corresponds to the latch receiving groove (7) on the fixed frame (M) side It is a latch to be placed, and in the case of the example shown in the figure, the spring receiving case (20) is prevented from coming off. It consists of a restrained steel ball, and its spring receiving case (20) has the above seat. (S) is embedded and integrated in the upper tip surface (the mouth end surface).

[0031]   Moreover, the compression coil spring (21) is enclosed in the spring receiving case (20). As a result, the latch (19) is always kept on the upper tip surface (tree) of the seat (S). The elastic force is applied in the direction of projecting from the mouth surface).

[0032]   That is, the sheet (S) is moved to the horizontal axis (XX) of the fulcrum pin (16) for the sheet. Fold it up around and fold the seat for the fixed frame (M) into the folding storage recess (G1 ) When it is folded and stored, its latch (19) is fixed frame frame as shown in Fig. 4. The seat (S) is pushed into the latch receiving groove (7) on the arm (M) side and locked. The folding and storage state of the seat is kept stable and locked, and the seat (S) is inadvertently put into use. It is designed not to be deployed.

[0033]   However, the above-mentioned steel ball is used as the latch (19) which functions in this way. Then, a wedge shape may be formed that extends horizontally from a metal plate material or a hard synthetic resin material.

[0034]   (22) is located on the longitudinal center line of the sheet (S), and is the base (11) thereof. It is a handle groove that is cut out in the state that it is opened facing down, and here the user's fingertip of one hand Will be inserted and locked. (G2) is also on the longitudinal center line of the sheet (S) The base plate (11), which is located at the bottom of the base plate, is also cut out as a face-down opening state. It is a folding storage recess for the ground stand, width: about 156 mm x height (length): about 2 96.5 mm x depth: approximately 23 mm rectangular.

[0035]   Moreover, in the vicinity of the top end of the base (11) of the sheet (S), the contact For ground stand For ground stand that opens sideways to the folding storage recess (G2) A pair of left and right fulcrum pin receiving holes (23) are provided, and the ground contact holes (to be described later) are provided here. The fulcrum pin for the stand will be inserted.

[0036]   Cut the grounding stand (H) mentioned above into the base (11) of the seat (S). Corresponds to the missing grounding stand folding storage recess (G2). As a solid natural wood, width: about 152 mm x height (length): about 294 mm x thickness : It is made into a rectangle of about 23 mm, and as shown in Fig. 8, the upper base end has a seal. Ground facing the fulcrum pin receiving hole (23) for the ground stand on the (S) side Left and right pairs of the fulcrum pin receiving holes (24) for the stand are laterally oriented from both side surfaces thereof. It is opened as a deep open state. (25) is a fulcrum on the ground stand (H) side It is a compression coil spring enclosed in a pin receiving hole (24).

[0037]   And, the fulcrum pin receiving hole (23) for the ground stand on the sheet (S) side, , Between the fulcrum pin receiving holes (24) on the ground stand (H) side as well. The left and right pairs of fulcrum pins (26) for the grounding stand that are placed horizontally The ground stand (H) can rotate about 90 degrees (β) by itself relative to the (S). It is pivotally attached to The fulcrum pin (26) for the ground stand is the support for the seat. It goes without saying that it is in parallel with the point pin (16).

[0038]   Further speaking, the seat (S) is attached to the horizontal axis of the seat fulcrum pin (16) ( XX) If you raise it around it, it will be accompanied by this and it will float from the floor (F). The hand (H) falls down toward the back of the seat (S), and finally Folding storage into the folding storage recess (G2) for the ground stand of the seat (S). Meanwhile, the seat (S) is also attached to the horizontal axis (X- If you pull down around X) and deploy, the grounding stand (H) will be on the back of the seat (S). From the fixed frame frame (M). In the upright state, the floor (F) is stably grounded.

[0039]   The fulcrum pin (26) for the grounding stand and the grounding stand (H) should be The method for pivotally attaching the seat to the seat (S) is as follows. This is the same as the method of pivotally attaching the toe (S) to the fixed frame (M), and therefore its description , But the fulcrum pin (26) for the ground stand is also urged to prevent it from coming off. Ground stand on both sides of the ground stand (H) and seat (S) Between the folding storage recess (G2) and the plastic washer (1 8) is inserted.

[0040]   (27) is located on the vertical center line of the grounding stand (H) and Notched by a fixed height (length) (L3) of about 163 mm from the lower end (ground plane) It is a relief groove for the link arm, and as shown in FIGS. A relationship that correctly faces the escape groove (5) for the link arm on the ram (M) side As a state, the ground stand (H) is opened to the back side. (28) is the connection Midway height in the escape groove (27) for the link arm on the ground stand (H) side It is a cushion pillow for link arms that is fixed by being attached to a table, and is made of elastic material such as rubber. Consists of.

[0041]   The link arm (A) mentioned above has a fixed length (L4) of about 286 mm. Made of metal pipe material that faces the decorative cover (4) of the fixed frame (M). To the lower end in the escape groove (5) for the link arm that opens as The relationship is plugged in.

[0042]   (29) is a first receiving metal fitting for the base end of the link arm (A), Figure into the relief groove (6) for the link arm bracket of the fixed frame (M) As shown in FIGS. 6 and 9, the mounting seat (29a) is in the makeup lid plate when it is released. It is fixed to the back surface of (4) by a plurality of dish tapping screws (30).

[0043]   Moreover, from the upper end of the mounting seat (29a) in the first receiving fitting (29) Face each other in the escape groove (5) for the link arm of the decorative cover (4). A pair of receiving pieces (29b) are bent outward and both receiving pieces (29b) are bent. With the horizontal first fulcrum pin (31) for the link arm extending horizontally through the A base end portion of the link arm (A) is pivotally mounted so as to be undulating and rotatable.

[0044]   On the other hand, the tip of the link arm (A) is also facing down from the ground stand (H). Also, insert it into the upper end of the escape groove (27) for the link arm that opens as It is in an embedded relationship.

[0045]   (32) is a second bracket for the tip of the link arm (A) As is clear from FIGS. 7 to 10, the link arm relief on the ground stand (H) side is provided. A receiving frame (32a) fitted into the insertion groove (27), and a pair to be juxtaposed from now on. The mounting seat (32b) is bent to form a hat-shaped overall plan view, Both of the mounting seats (32b) are attached to the back surface of the ground stand (H) by a plurality of dish tappings. It is fixed by a grub screw (33).

[0046]   (32c) is a direction in which the receiving frame (32a) of the second receiving fitting (32) is cut out. A pair of slide guide elongated holes that mate with each other, which are in the longitudinal direction of the ground stand (H) ( (Longitudinal direction) and extends through both slide guide slots (32c). The horizontal second fulcrum pin (34) for the link arm to hang allows The front end of the frame (A) is also pivotally mounted so as to be undulating and rotatable.

[0047]   The second fulcrum pin (34) is received in the slide guide elongated hole (32c). If it is engaged, it can be connected to the connecting part between the ground stand (H) and the link arm (A). And the possibility of inadvertent pulling due to its undulating turning action is prevented. There is an advantage that can be stopped.

[0048]   The base end of the link arm (A) is attached to the decorative cover (4) of the fixed frame (M). ) Side, the first fulcrum pin (31) and the tip of the link arm (A) The second fulcrum pin (34) that pivotally attaches the ground to the ground stand (H) side is Parallel with seat fulcrum pin (16) and ground stand fulcrum pin (26) It is in a horizontal installation state.

[0049]   Moreover, when the folding chair is unfolded and used from the side, as shown in FIG. As described above, the seat (S) and the link arm (A) are vertically aligned with each other. While it is parallel to the horizontal position, it is fixed on the front wall (W) and fixed. The arm (M) and the grounding stand (H) of the seat (S) are substantially vertically aligned. And forms the overall parallel link motion mechanism.

[0050]   Furthermore, (35) is a U-shaped plan view made of one metal wire, It is a vine spring wound around a horizontal second fulcrum pin (34) for an arm. As is apparent from 9 and 10, the folded back one end is the circumferential surface of the link arm (A). And the other end of the second receiving metal fitting (32) is also cut off. It is received by the receiving frame (32a).

[0051]   Then, the sheet (S) is attached to the horizontal axis (X- of the fulcrum pin (16) for the sheet. (X) Fold it up around the fixed frame frame (M) seat folding storage recess ( G1) When it is folded and stored, the grounding stand (H) that follows it is The vine spring (35) presses and urges the rear surface of the sheet (S) to contact the ground contact surface. The stand (H) is from the folding storage recess (G2) for the grounding stand of the seat (S). Being able to keep almost flush with the back surface of the sheet (S) without accidentally overhanging It has become.

[0052]   The folding storage recess for the ground stand that is lifted up following the seat (S) Link arm on the ground stand (H) side folded and stored in the place (G2). As shown in FIGS. 1 to 3, the insertion groove (27) is provided on the fixed frame (M) side. Align and communicate with the escape recess groove (5) for the link arm in a vertical position , The link arm (A) will be released inside.

[0053]   Since the folding chair according to the first embodiment of the present invention has the above configuration, The back plate (2) of the fixed frame (M) to the existing wall (W) at the entrance is shown in FIGS. As shown, can be retrofitted with multiple countersunk tapping screws (10) It

[0054]   By the skirting board (36) as shown in FIG. 11 protruding from the existing wall surface (W) If the fixed frame (M) cannot be closely integrated with the wall surface (W), Attach a plurality of spacers (37) to the wall surface (W) with double-sided adhesive tape (38), etc. After attaching it, screw the long plate tapping screw (10) into the wall surface (W) and fix it good.

[0055]   1 to 4 show the folded and stored state of the above-mentioned chair. When using, insert the fingertip of one hand into the handle groove (22) of the sheet (S) and lock it. Then, the sheet (S) is strongly pulled out and operated.

[0056]   Then, when viewed from the side, the fixed frame (M) of the folding chair The seat (S), its ground stand (H) and link arm (A) Fulcrum pin (16), fulcrum pin for ground stand (26) and link arm Through the first and second fulcrum pins (31) (34), the entire parallel link motion mechanism is formed. Since it is made, the sheet (S) is In the process of pulling down around the horizontal axis (XX) of the seat fulcrum pin (16) And the ground stand (H) hangs from the back side of the seat (S). In connection with this, the link arm (A) also has its first and second fulcrum pins (31) (34). Of the seat (S), and move to the ground stand. (H) is grounded to the floor surface (F) in a stable standing state.

[0057]   As a result, the sheet (S) kept in a substantially horizontal unfolding condition as shown in FIGS. By sitting comfortably, for example, shoe polishing work at the entrance, fastening shoelaces, long You can conveniently take off and put on boots. The ground of the sheet (S) The height is lower than that of a normal chair, and in the example shown in the figure, it is set to about 317.5 mm.

[0058]   On the contrary, when folding the chair from such a deployed use state, the seat While inserting and locking the fingertip of one hand into the handle groove (22) of (S), the sheet (S) Raise the seat fulcrum pin (16) around the horizontal axis (XX) and attach it to it. The latch (19) belonging to the fixed frame (M) is received in the latch receiving groove ( It is enough to push it firmly into 7) and lock it.

[0059]   Then, as is clear from the motion trajectory of FIG. 12, the seat (S) is raised and raised. In the process of being lifted, the grounding stand (H) floats above the floor surface (F), While collapsing toward the back of the sheet (S), the link above The arm (A) is also attached to the seat (around the first and second fulcrum pins (31) (34). It is raised almost parallel to S) and finally the seat (S) is fixed frame frame. Folded into the seat folding storage recess (G1) of (M) as shown in FIGS. It will be stored only.

[0060]   At the same time, the ground stand (H) was also folded for the ground stand of the sheet (S). The link arm (A) can be folded and stored in the folding storage recess (G2). Also fixed frame frame (M) side of the link arm escape groove (5) As a result, the folding chair is almost equal to the depth of the fixed frame (M). Since it is flattened to a flat surface with a small size, it can be used in a limited space at the entrance. It can be used effectively and widely.

[0061]   In the folded state, the fixed frame (M) side link arm escape The concave groove (5) is exposed, but a decorative plug (not shown) is detachably inserted and used here. May be.

[0062]   Next, FIGS. 13 to 15 show a second embodiment of the present invention at the time of new construction of a house or repair. When folding, the folding chair that is used in front of the front wall (W) is used. The structure is different from the first embodiment shown in FIGS. 1 to 12 in the following points. .

[0063]   That is, the folding chair of the second embodiment is connected to the fixed frame (M). It does not have a ground base (3) and the folding storage recess (G1) for the seat is The wall (W) of the entrance is directly cut out and depressed.

[0064]   Therefore, it also faces the escape groove (27) for the link arm on the ground stand (H) side. The engaging groove (5) for the link arm on the side of the fixed frame (M) that engages, The latch receiving groove (7) is also directly cut into the entrance wall (W).

[0065]   Further, while being located near the lower end of the folding storage recess for seat (G1), A pair of left and right seat fulcrums that laterally open to the folding storage recess (G1) The pin receiving hole (8) is also directly drilled in the wall surface (W) of the entrance. Receiving and supporting fulcrum pin that opens sideways from both side surfaces of the seat (S) A pair of left and right seat fulcrum pins (16) are horizontally provided across the hole (15). It has been crossed.

[0066]   Since other configurations and operations are substantially the same as those of the first embodiment, the configuration shown in FIG. The detailed description thereof will be omitted by only entering the reference numerals in FIGS. I will omit it.

[0067]   According to the configuration of the second embodiment, the seat (S) and the ground stand ( H) and link arm (A) are embedded in the wall of the entrance (W) It can be folded and stored in an even wider space for a limited entrance space. In that case, the base (11) of the seat (S) and the grounding star can be used effectively. If you attach a wall cloth, etc. that is in harmony with the wall surface (W) of the entrance to the wall (H), that wall The overall makeup effect of the surface (W) is improved.

[0068]

[Effect of device]

  As described above, the folding chair for the entrance of the present invention has a frame edge (1) because of its structure. Folding storage recess for seats (G1) ), And a fixed frame (which is attached and fixed to the wall surface (W) of the entrance ( M),

[0069]   The lower end of the fixed frame (M) inside the folding storage recess (G1) Up and down about 90 degrees (α) via a horizontal fulcrum pin (16) for the seat Folding for grounding stand with a fixed depth on the back. A sheet (S) in which the recess (G2) is depressed,

[0070]   A grounding stand parallel to the seat fulcrum pin (16) is attached to the back surface of the seat (S). Via the fulcrum pin (26) for rotation, it is also possible to pivot about 90 degrees (β). A grounding stand (H),

[0071]   Position below the seat fulcrum pin (16) in the fixed frame (M) And the space between the ground stand (H) and the mid-height position facing each other. First and second fulcrum pins (31) (3) for link arms parallel to the fulcrum pin (16) 4) The overall parallel link motion from the link arm (A) pivotally connected by Shaped as a mechanism,

[0072]   Around the horizontal axis (XX) of the fulcrum pin (16) for the seat (S). When it is unfolded and used, it will hang from the back of the sheet (S). The grounding stand (H) that stands on the floor (F) is erected by the link arm (A). Grounded to support the seat (S) in a substantially horizontal state,

[0073]   Similarly, the seat (S) is rotated around the horizontal axis (XX) of the fulcrum pin (16) for the seat. When folded up, the seat (S) is fixed to the fixed frame (M ) Into the seat folding storage recess (G1), and the grounding stand (H) above. Fold the seat (S) into the folding storage recess (G2) for the grounding stand. In addition to being stored, the link arm (A) is linked to the ground stand (H). Relief for link arm in relief groove (27) for arm and fixed frame (M) Relieved to be inserted into the receiving groove (5) so as to maintain an almost flush condition as a whole. Since it has been set, the problems of the prior art mentioned at the beginning can be reliably solved, and It has the effect of being able to be provided as a product suitable for an apartment house with a low girder.

[0074]   That is, according to the above configuration of the present invention, the fixed frame (M) of the folding chair is ) Can be retrofitted to the existing wall (W) at the entrance, and its fixed frame If the seat (S) is pulled down from (M) and unfolded, this is the ground stand (H). The seat (S) can be used safely because it can be handled in a stable and almost horizontal condition. Sit in a comfortable position, polish your shoes at the entrance, fasten your laces, and remove long boots and socks. You can wear slippers, etc., which is extremely convenient especially for elderly people.

[0075]   If the seat (S) is raised when not in use, the seat (S) is fixed to the fixing frame. Folded and stored in the seat's folding storage recess (G1) of the frame (M) Not only the ground stand (H) but also the seat (S) for the ground stand. The link arm (A) is also folded and stored in the folding storage recess (G2). In the escape groove (27) for the link arm of the grounding stand (H) and the fixing frame It escapes into the escape groove (5) for the link arm of the ram (M), Since it is kept almost flush, there is no danger of obstructing the passage of the entrance, This has the effect of effectively using the limited space at the entrance.

[0076]   The above-mentioned effects can be achieved by the structure of claim 2 as well. In the structure of Item 2, the folding storage recess (G1) for the seat is expected to be on the wall surface (W) of the entrance. Since the notch is recessed, the seat (S) is embedded inside it. It can be folded and stored in the room, and in that sense it has a limited entrance space It can be used more and more widely, and has the advantage of improving the cosmetic effect at the entrance.

[0077]   Further, if the structure of claim 3 is adopted, the fixed frame (M) and the wall surface (W ) The seat (S) folded and stored in the folding storage recess (G1) for the sheet ), It is possible to prevent the risk of unintentional deployment, and its safety is enhanced.

[0078]   Further, if the construction of claim 4 is adopted, for the ground stand of the seat (S) The grounding stand (H) folded and stored in the folding storage recess (G2) It is possible to prevent the sheet (S) from accidentally sticking out from the back side and improve its safety. The cosmetic effect is improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a folding and storing state of a folding chair according to a first embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a sectional view taken along line 3-3 of FIG.

4 is an enlarged cross-sectional view taken along line 4-4 of FIG.

FIG. 5 is a perspective view showing a developed and used state of the chair corresponding to FIG.

FIG. 6 is a side sectional view of FIG.

7 is an enlarged cross-sectional view taken along line 7-7 of FIG.

8 is an enlarged sectional view taken along line 8-8 of FIG.

9 is an enlarged cross-sectional view taken along the line 9-9 of FIG.

10 is a sectional view taken along the line 10-10 of FIG.

11 is a side sectional view showing another state of attachment to the wall surface corresponding to FIG.

FIG. 12 is a side view showing a movement locus of the folding chair according to the present invention.

FIG. 13 is a perspective view showing a folded and stored state of a second embodiment according to the present invention.

FIG. 14 is a perspective view showing a deployed and used state corresponding to FIG.

FIG. 15 is a side sectional view of FIG.

[Explanation of symbols]

(1) ・ Frame edge (4) · Makeup cover (5) · Relief groove for link arm (6) · Relief groove for link arm bracket (7) ・ Latch receiving groove (16) · Seat fulcrum pin (17) · Compression coil spring (19) Latch (21) · Compression coil spring (22) · Handle groove (26) · Support pin for grounding stand (27) · Relief groove for link arm (29) First receiving bracket for link arm (31) First fulcrum pin for link arm (32) Second receiving bracket for link arm (34) 2nd fulcrum pin for link arm (35) ・ Vine spring (A) -Link arm (H) · Ground stand (S) / Sheet (M) -Fixed frame (F) ・ Floor surface (W) · Wall (G1) -Foldable storage recess for seats (G2) -Folding storage recess for grounding stand (XX) -Seat rotation axis

Claims (4)

[Scope of utility model registration request] 1. Fixing in which only an upper part of a frame defined by a frame edge (1) is depressed as a folding storage recess (G1) for a seat having a constant depth and is fixedly attached to a wall surface (W) of a front door. The frame frame (M) and the fixed frame frame (M) are provided with a horizontal fulcrum pin (16) for the seat, which is located at about 90 degrees (α) to the vicinity of the lower end of the folding storage recess (G1). A seat (S) that is pivotally mounted so that it can be undulated and pivoted, and that a folding storage recess (G2) for a grounding stand with a certain depth is recessed on the back surface.
And the sheet fulcrum pin (1
6) A grounding stand (H) pivotally rotatably pivoted by about 90 degrees (β) via a fulcrum pin for grounding stand (26) parallel to the above 6), and the fixed frame (M) The first position for the link arm parallel to the seat fulcrum pin (16) between the positions below the seat fulcrum pin (16) and the middle height position of the ground stand (H). From the link arm (A) pivotally connected by the two fulcrum pins (31) and (34), the sheet (S) is formed into a parallel link motion mechanism, and the seat (S) is formed by the horizontal axis (of the seat fulcrum pin (16) ( (X-X) When it is unfolded and used, the grounding stand (H), which is suspended from the back surface of the seat (S), is erected on the floor surface (F) by the link arm (A). Ground the above While the seat (S) is supported in a substantially horizontal state, when the seat (S) is folded up around the horizontal axis (XX) of the seat fulcrum pin (16), the seat (S) is The fixed frame (M) is folded and stored in the seat folding storage recess (G1), and the ground stand (H) is folded and stored in the seat (S) ground stand folding storage recess (G2). In addition, the link arm (A) is released into the link arm escape groove (27) of the ground stand (H) and into the link arm escape groove (5) of the fixed frame (M). A folding chair for the entrance, which is set so that it is kept in a substantially flush condition as a whole. 2. A folding storage recess (G1) for a seat having a certain depth, which is notched and recessed in a wall surface (W) of a front door, and a horizontal seat for the seat near the lower end of the folding storage recess (G1). A foldable storage recess (G2) for a grounding stand, which is pivotally mounted via a fulcrum pin (16) so that it can be rotatably rotated about 90 degrees (α) and has a constant depth on the back surface.
Sheet (S) on which the sheet is depressed, and the sheet fulcrum pin (1
6) A grounding stand (H) pivotally rotatably pivoted about 90 degrees (β) via a fulcrum pin for grounding stand (26) parallel to 6), and a seat on the wall surface (W). A first position for the link arm parallel to the seat fulcrum pin (16) between a position lower than the folding accommodating recess (G1) and an intermediate height position of the grounding stand (H), From the link arm (A) pivotally connected by the two fulcrum pins (31) and (34), the sheet (S) is formed into a parallel link motion mechanism, and the seat (S) is formed by the horizontal axis (of the seat fulcrum pin (16) ( (X-X) When it is unfolded and used, the grounding stand (H), which is suspended from the back surface of the seat (S), is erected on the floor surface (F) by the link arm (A). Ground the above While the seat (S) is supported in a substantially horizontal state, when the seat (S) is folded up around the horizontal axis (XX) of the seat fulcrum pin (16), the seat (S) is The wall surface (W) is folded and stored in the seat folding storage recess (G1), and the ground stand (H) is folded and stored in the seat (S) ground stand folding storage recess (G2). ,
The link arm (A) is released into the link arm escape groove (27) of the grounding stand (H) and into the link arm escape groove (5) of the wall surface (W),
A folding chair for the entrance, which is characterized in that it has been set up so that it remains almost flush. 3. A latch (1) is provided on the upper end surface of the seat (S).
9) is integrally attached as an elastically biased state in which it constantly projects from the top end surface of the upper part thereof, while the latch receiving groove (7) corresponding to the ceiling surface of the folding accommodating recess (G1) for the seat is cut out. The seat (S) folded and stored in the folding storage recess (G1) for the sheet is locked by pushing and locking the latch (19) into the latch receiving groove (7). The folding chair for a doorway according to claim 1 or 2, which is maintained. 4. A folding storage recess (G2) for a grounding stand of the seat (S) when the seat (S) is folded.
It is characterized in that a vine winding spring (35) for pressing and biasing the ground stand (H) therein is wound around a fulcrum pin (34) for connecting the link arm (A) to the ground stand (H). The folding chair for an entrance according to claim 1 or 2.