JP6024082B2 - table - Google Patents

Description

  The present invention relates to a table that is preferably used in an office, a conference room, or the like and has a top plate configured to be able to perform a flap operation.

  Conventionally, in conference rooms, etc., in order to be able to accommodate many tables in a small space when not in use, for example, the table top in the use position is flipped up vertically to the storage position, and other tables of the same type Flap table top tables that can be stored in a small space by stacking are used. (For example, refer to Patent Document 1). The thing of the said patent document 1 can avoid effectively the pinching of the foreign material etc. in the case of the flap operation | movement of a top plate, for example.

  By the way, not only the table as described above but also various furniture is required from the viewpoint of so-called universal design, which can be operated by anyone easily and with little error. In the case of the flap top table as described above, it is considered that the lever for the user to operate when the top plate is operated for flap operation is arranged at a position convenient for the user of the table in the use position. It is done. However, the lever is arranged at a position close to the user as well as such a position. In other words, placing the lever in a position close to the user means that the user accidentally moves the lever due to the user's action when the user does not intend, or that the user does not intend to avoid such an erroneous operation. It is possible to say that you are forced to.

JP 2009-50475 A

  The present invention pays attention to the above-mentioned points, and it is easy for anyone to perform the flap operation of the top plate or the operation position to the use position, and the problem that the top plate is erroneously flapped at the use position is effective. The purpose is to provide a table that is avoided.

  In order to achieve such an object, the present invention takes the following measures.

  That is, the table top plate according to the present invention can be operated to flap between the use position and the stowed storage position, and the table top can be locked at least at the use position so that the flap operation cannot be performed. In the lower surface of the top plate, a unlocking lever that rotates in a direction approaching and separating from the top plate is provided at a position near the use end, and at a position closer to the lever than the lever at the use position. A protective protrusion protruding downward is provided.

  In such a case, since the protective convex portion is provided at a position close to the lever so as to protrude downward from the lever, the user's foot or, for example, a movable chair is provided on the lever at the use position. And the elbow of a wheelchair will contact | abut and the malfunction that a top plate will operate | move can be avoided effectively. Accordingly, the lever can be operated only when the user himself intends, and the table can be comfortably used without worrying about erroneous operation of the lever. That is, according to the present invention, it is possible to provide a table that a user can use easily and with peace of mind.

In order to make the presence of the protective convex portion less noticeable than necessary and easy to handle, the present invention uses a hand provided between the luggage receiver provided on the lower surface of the top plate and the lever. characterized by a handle forming a loop that can be applied.

  In order to make it easy for the user who uses the top plate at the use position and to operate the lever quickly, the lever should be in the vicinity of the corner where the use end and the side edge of the top plate intersect. It is desirable to provide in.

  Further, in order for the user to easily handle the lever regardless of the seating position of the user on the table in the use position, the lever is arranged in the vicinity of the corner portion where the use end of the top plate and one side edge intersect, and It is desirable to provide each in the vicinity of the corner where the use end of the top plate and the other side edge intersect.

  And as a desirable example of arrangement | positioning of the protection convex part at the time of arrange | positioning a lever to the said corner part, it is preferable to arrange | position this protection protrusion to the center of the left-right direction rather than the adjacent lever.

  In particular, in order to facilitate the operation of the lever regardless of the posture of the user, such as how to sit down, it is desirable that the lever has a shape in which the tip side is gradually curved away from the top plate.

  According to the present invention, it is possible to provide a table in which anyone can easily perform the flap operation of the top plate or the operation position to be used, and effectively avoid the inconvenience that the top plate is erroneously flap operated at the use position. Can do.

The external view which concerns on one Embodiment of this invention. The front view. The external view of the principal part. The right side view. The other right view. XX sectional drawing of the principal part concerning FIG. Operation | movement explanatory drawing which concerns on FIG. The disassembled perspective view of the principal part which concerns on the same embodiment. The right view of the principal part which concerns on the same embodiment. FIG. 10 is an operation explanatory diagram of a main part according to FIG. 9. Structure explanatory drawing of the principal part which concerns on the same embodiment. Operation | movement explanatory drawing which concerns on FIG. The YY sectional view taken on the line which concerns on FIG. FIG. The external view of the principal part which concerns on the same embodiment. Operation | movement explanatory drawing which concerns on FIG.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 to 5, the table T can flap the top plate 2 between the use position (P) and the stowed storage position (Q), and at least the use position (P The top plate 2 can be locked so that the flap operation is impossible. That is, the table T has a movable leg 1 that forms a pair of left and right and a mounting frame 21 that has an opening 211 on the leg 1 and pivots the mounting frame 21 to the use position (P) and the stowed storage position (Q ), A locking mechanism 22 provided in the mounting frame 21 of the top plate 2 for locking the top plate 2 at least in the use position (P), This is mainly composed of the handle 23 provided so as to block a part of the opening 211.

  As shown in FIG. 1, each leg 1 includes a leg base 3, a support column 4 erected at an intermediate position of the leg base 3, and a support fixed to the upper end portion 4 a of the support column 4 via screws. And a member 9. The left and right legs 1 are rigidly connected by a horizontal member S laid between the support members 9. The leg base 3 includes a base body 5, a first caster 6 attached to the use end 2a side of the base body 5, and a second caster 8 attached to the counter-use end 2b side of the base body 5. It is equipped with.

  As shown in FIGS. 1, 2, 4, 5, 9, and 10, the base body 5 has a shape in which a lower edge is cut out to form caster housing spaces 55 and 56. The caster mounting portion 51 and the caster mounting portion 52 on the counter-use end side are provided, and the first caster 6 is pivotably mounted on the caster mounting portion 51 on the use end side. The second caster 8 is pivotably attached to the caster attachment portion 52 on the use end side. More specifically, the base body 5 is mainly composed of a sheet metal material, and at least the caster mounting portions 51 and 52 are provided with resin covers 57 and 58 covering the material end surfaces. Specifically, the base body 5 is formed by forming a sheet metal material into a channel shape that opens downward, and caster mounting seats 51a and 52a having nuts 51a and 51b are welded to the caster mounting portions 51 and 52, respectively. Further, a column reinforcing plate 53 a for reinforcing the column 4 is attached to the intermediate portion 53. The top wall 54 of the base body 5 has a curved shape that bulges upward. Further, the caster accommodating space 55 on the use end side has a size that allows the operation member 7 to be operated at all times. The caster accommodating space 56 on the counter-use end side is set to a size necessary and sufficient to allow the second caster 8 to turn. The first cover 57 facing the caster housing space 55 on the use end 2a side includes a cover main body 57a that includes the material end face and covers the entire lower surface of the caster mounting portion 51 on the use end side of the base body 5, and the cover main body 57a. A tip cap 57b that is provided integrally and covers an end surface of the base body 5 on the use end 2a side is provided. The second cover 58 facing the caster housing space 56 on the counter-use end 2b side includes a cover main body 58a including the material end face and covering the entire lower surface of the caster mounting portion 52 on the counter-use end 2b side of the base body 5, and this cover. A tip cap 58b that is provided integrally with the main body 58a and covers the end surface of the base body 5 on the side opposite to the use end 2b.

  As shown in FIGS. 9 to 16, the first caster 6 has a caster main body 62 that can be swiveled with respect to the mounting shaft 61, a wheel 63 that is pivotally attached to the caster main body 62, and the operation member 7. The wheel 63 is locked to the caster body 62 when operated to the position (D), and the locked state is released when the operating member 7 is operated to the upper position (U). And a brake mechanism 64. FIG. 11 is an explanatory diagram showing the structure of the first caster 6 with one wheel 63 removed. The caster body 62 is configured to be able to turn in the horizontal direction with respect to the mounting shaft 61 mounted on the caster mounting seat 51 a of the base body 5, and includes a support shaft 62 a for supporting the wheel 63. A pair of wheels 63 are rotatably provided at both ends of the support shaft 62a. The brake mechanism 64 is supported on the caster body 62 via the horizontal shaft 75b so as to be pivotable in the vertical direction, and on the inner periphery of the rim 63a of the wheel 63 as the manipulation member 7 rotates. A pin-shaped locking member 66 that comes in contact with and separates from, an internal gear 65 provided on the inner periphery of the rim 63a to be engaged with the locking member 66, and the operating member 7 are moved to the upper position (U). Or the moderation member 67 for hold | maintaining stably in the lower position (D) is comprised. The operation member 7 includes an upper operation piece 73 and a lower operation piece 74 that are spaced apart in the vertical direction, and in the lower position (D) where the wheel 63 is locked to the caster body 62. The lower operation piece 74 is configured to come close to the floor surface in an upright posture. More specifically, the operating member 7 includes an arm portion 71 having a base end portion 75 supported by the caster main body 62 via a shaft 75b, and a plate-like intermediate portion provided at the rotating end of the arm portion 71. Part 72, an upper operation piece 73 provided on the upper side of the intermediate part 72, and a lower operation piece 74 provided on the lower side of the intermediate part 72, and formed integrally with a synthetic resin. Has been. The upper operation piece 73 is operated with the surface facing downward at the lower position (D) as the main operation surface 76, and the lower operation piece 74 is operated mainly with the surface facing upward at the upper position (U). The surface 78 is operated. The main operation surface 78 of the lower operation piece 74 is set so as to be substantially upright with respect to the floor surface at the lower position (D). The main operation surface 78 is provided with a concavo-convex portion 78a for prompting the operation and suppressing slipping during the operation. On the other hand, the upper operation piece 73 is configured to have a substantially horizontal posture at a lower position (D) where the wheel 63 is locked with respect to the caster body 62. That is, the main operation surface 76 of the upper operation piece 73 is set to face downward at the lower position (D). Further, a notation 77a indicating that the upper operation piece 73 is in a locked state is provided on a surface facing upward at the lower position (D), that is, a surface 77 on the back side with respect to the main operation surface 76. Specifically, the characters “LOCK” are described. In addition, the width dimension of the upper operation piece 73, the lower operation piece 74, and the intermediate part 72 is set to a value close to the full width dimension of the first caster 6. The locking member 66 is a pin-shaped member penetrating at a position eccentric from the shaft in the base end portion 75 of the operation member 7, and both end portions thereof face the inner periphery of the rim 63 a of both wheels 63. Yes. When the operating member 7 is operated to the lower position (D), the locking member 66 moves in the direction of the rim 63a of the wheel 63 and engages with the internal gear 65. The wheel 63 is locked with respect to the caster main body 62. On the other hand, when the operating member 7 is operated to the upper position (U), the locking member 66 moves in a direction away from the rim 63a of the wheel 63, and the locked state is released. The moderation member 67 is a leaf spring formed integrally with the caster main body 62 and elastically contacts a cam surface 75a formed on the outer periphery of the base end portion 75 of the arm portion 71 of the operation member 7 to exhibit a moderation function. It ’s what you get.

  As shown in FIGS. 1, 4, 5, and 9, the second caster 8 includes a caster main body 82 that can rotate with respect to the mounting shaft 81, and a wheel 83 that is pivotally attached to the caster main body 82. The brake mechanism 64 described above is not provided.

  As shown in FIGS. 1-8, the support | pillar 4 is the metal thing which makes a pipe shape, for example, and is attached to the ceiling wall 54 and the support | pillar reinforcement board 53a of the leg base 3 by welding etc. As shown in FIG.

  As shown in FIGS. 6, 7 and 8, the support member 9 is made of, for example, a thick sheet metal, and includes a first locking portion 91 for locking the top plate 2 to the use position (P), And a second locking portion 92 for holding the plate 2 in the storage position (Q).

  Thus, as described above, the table T according to the present embodiment is provided with the unlocking lever 223 that rotates in the direction approaching and separating from the top plate 2 at a position near the use end 2a on the lower surface of the top plate T. A handle 23 serving as a protective projection protruding downward from the lever 223 at the use position (P) is provided at a position close to the lever 223. Hereinafter, in describing the configuration of the top plate 2, the handle 23 and the lever 223, which are the protective projections, will be described in detail.

  As shown in FIGS. 1 to 8, the top plate 2 is obtained by fixing attachment frames 21 to lower surfaces of both left and right end portions of a rectangular top plate main body 20, for example.

  As shown in FIGS. 3 to 8, the mounting frame 21 includes a base wall 212 fixed to the lower surface of the top plate 2 with screws (not shown), and inner walls suspended from the left and right side edges of the base wall 212. 213 and an outer wall 214, and an opening 211 opened downward is formed between the lower edge of the inner wall 213 and the lower edge of the outer wall 214. The outer wall 214 of the mounting frame 21 is pivotally attached to the support member 9 of the leg 1 via a main shaft 215 so as to be rotatable.

  As shown in FIGS. 3 to 8, the lock mechanism 22 is selectively engaged with either the first locking portion 91 or the second locking portion 92 provided on the support member 9 of the leg 1. The combination 222, the spring 225 that urges the engagement element 222 toward the support member 9, the lever 223 for operating the engagement element 222 against the urging force of the spring 225, and the movement of the lever 223 And a transmission mechanism 224 for transmitting to the engagement element 222. The engaging element 222 is supported by the outer wall 214 of the mounting frame 21 via the shaft 221, and rotates so that the distal end portion is in contact with and away from the supporting member 9. In the present embodiment, a lock mechanism 22 is provided in each of the right mounting frame 21 and the left mounting frame 21, and an engaging element 222 in the right mounting frame 21 and an engaging element in the left mounting frame 21. 222 is coupled via an interlocking member R so as to be interlocked.

  As shown in FIGS. 3 and 6 to 8, the lever 223 is for unlocking provided at a position close to the use end 2 a on the lower surface of the top plate 2, and is in the direction of contacting and separating from the top plate 2. It is designed to rotate. Specifically, the lever 223 is provided in the vicinity of the corner portion 2c where the use end 2a and the side edge 2d of the top plate 2 intersect, and rotates on the inner wall 213 and the outer wall 214 of the mounting frame 21. The rotary shaft 227 is supported so as to be supported. The lever 223 is formed of, for example, a synthetic resin, and is provided with a curved concave portion 223a whose tip side is gradually curved away from the top plate 2 and an end portion from the side end 2d of the top plate 2 that is curved upward. And a rounded portion 223b. The curved recess 223a allows the user to rotate the lever 223 by pressing upward with the back of the hand as well as the finger. Further, when the user presses the curved concave portion 223a with the palm, the rounded portion 223b reduces the number of the top plate 2 while gripping the side edge 2d of the top plate 2, that is, the corner portion 2c on the use end 2a side, without feeling uncomfortable. The flap can be operated with force.

  The transmission mechanism 224 includes the rotating shaft 227 that rotates integrally with the lever 223, a rotating arm 228 having a base end fixed to the rotating shaft 227, one end pivotally attached to the rotating arm 228, and the other end. A link member 229 pivotally attached to an intermediate portion of the engaging element 222, and the lever 223 is rotated in a direction approaching the top plate 2 to move the rotating arm 228 to the rotating shaft. By rotating with the link member 229 and pulling the engagement element 222 by the link member 229, the engagement element 222 is rotated in a direction away from the support member 9 against the urging force of the spring 225. Yes. The transmission mechanism 224 is arranged in the left and right mounting frames 21 similarly to the engagement element 222. Correspondingly, the lever 223 also intersects the use end of the top plate 2 and one side edge 2d. It is provided in the vicinity of the corner portion 2c and in the vicinity of the corner portion 2c where the use end 2a of the top plate 2 and the other side edge 2d intersect. The opening 211 of the mounting frame 21 configured as described above is closed by the handle 23 and the cover 24.

  As shown in FIGS. 1 to 8, the handle 23 is made of a synthetic resin having a loop shape provided so as to block a part of the opening 211, that is, the front half. Specifically, the handle 23 includes a handle body 231, a closing portion 232 that is provided integrally with the handle body 231 and closes the opening 211, and extends from one side edge of the closing portion 232 along the outer surface of the inner wall 213. An extension portion 233 extending in the direction of the top plate 2, and a mounting portion 234 that is integrally provided at the tip edge of the extension portion 233 and is attached to the lower surface of the top plate 2. 234 is fixed to the top plate 2 by being fixed to the top plate 2 with screws or the like. A cover positioning portion 235 for preventing the use end of the cover 24 from being lifted is provided on the side of the handle body 231 opposite to the use end 2b. Specifically, the cover positioning portion 235 is formed of a recessed portion having a polygonal opening shape, for example. The handle 23 is provided adjacent to the lever 223 at a position close to the use end 2a of the top plate 2, and specifically, a corner portion where the use end 2a of the top plate 2 and the side edge 2d intersect. It is provided in the vicinity of 2c. That is, the handle 23 that can be put on the hand is disposed closer to the center in the left-right direction than the adjacent lever 223, and is closer to the lever 223 than the lever 223 at the use position (P). It has a dimension that protrudes downward. In other words, the handle 23 serves as a protective projection for preventing the lever 223 from being erroneously operated by a user's leg or the like. The handle 23 is provided in the vicinity of each of the left and right levers 223. Specifically, the left and right handles 23 intersect the use end 2a of the top plate 2 and one side edge 2d. It is provided in the vicinity of the corner portion 2c and in the vicinity of the corner portion 2c where the use end 2a of the top plate 2 and the other side edge 2d intersect.

  As shown in FIGS. 1 to 8, the cover 24 is made of a synthetic resin provided so as to block a part of the opening 211, that is, the latter half. Specifically, the cover 24 includes a lower closing portion 241 that closes the downward opening portion 211 in the mounting frame 21, a side closing portion 242 that extends from the inner edge of the lower closing portion 241 in the direction of the top plate 2, The side closing portion 242 is provided with an attachment portion 243 that is integrally provided on the side opposite to the use end 2b at the leading edge of the side closing portion 242, and is attached to the lower surface of the top plate 2. It is fixed to the top plate 2 by being fastened to the plate 2. The lower closing part 241 has a hollow box shape, and its outer surface is formed so as to be continuous with the outer surface of the handle 23. The end surface on the side of the use end 2a is connected to the cover positioning part 235 of the handle 23. Engaging engaging portions 244 are provided. Specifically, the engaging portion 244 is a polygonal columnar protrusion that fits into the cover positioning portion 235. The lower closing portion 241 is provided with a slit 245 for avoiding interference with the support member 9. Further, the side blocking portion 242 includes a first cutout portion 246 for avoiding interference with the horizontal member S, and a second cutout portion 247 for avoiding interference with the interlocking member R. Is provided.

  In the present embodiment, a curtain plate M is provided in the vicinity of the counter-use end 2b of the top plate 2. The curtain plate M is a flat plate, and the upper end edge M1 is pivotally supported at the tip of the bracket 26 provided on the top plate 2 and the lower end edge M2 is supported by the support column 4 via the link member 41. Since the movement of the curtain plate M is the same as that of a normal one, the description thereof is omitted. Further, a luggage receiver 25 is provided on the lower surface side of the top plate 2 by attaching a curved pipe.

  In the table T configured as described above, the operation member 7 and the lever 223 of the first caster 6 are provided with a color tone different from the color tone applied to the table T. Specifically, the color of the table T is mainly designed based on silver and gray, but the operation member 7 and the lever 223 are colored yellow.

  Here, as shown in FIGS. 1 to 8, the table T according to the present embodiment is provided with levers 223 at both corners of the top plate 2 and handles 23 serving as protective projections at positions slightly from the center of these levers 223. Therefore, the handle 23 has priority over the lever 223 for a user who uses the table T. In addition, since the lever 223 and the handle 23 are close to each other, not only the hand operating the lever 223 but also the top plate 2 can be operated to flap while holding the handle 23 with the other hand. Regardless of the arm strength of the user, a series of operations from the lever 223 operation to the flap operation of the top plate 2 can be performed without difficulty.

  With the configuration as described above, the table T according to the present embodiment is provided with the handle 23 serving as a protective projection protruding below the lever 223 at the use position (P) at a position close to the lever 223. Therefore, the user's foot or the elbow of a movable chair or wheelchair, for example, comes into contact with the lever 223 in the use position (P), and the problem that the top plate 2 operates unexpectedly effectively is effective. It can be avoided. As a result, the lever 223 can be operated only when the user himself intends. In addition, the user can comfortably use the table T without worrying about erroneous operation of the lever 223 by such a configuration. That is, the table T according to the present embodiment can be used easily and with peace of mind by the user.

  In the present embodiment, a handle provided in the vicinity of the lever 223 in order to make the table T itself easier to handle without making the presence of the protective convex portion of the present invention for protecting the lever 223 more noticeable than necessary. 23 plays a role as a protective projection of the present invention.

  In order to make the lever 223 easy to handle for the user who uses the top plate 2 in the use position (P) and to operate the lever 223 quickly, in this embodiment, the lever 223 is used at the end of use of the top plate 2. It is provided in the vicinity of the corner portion 2c where 2a and the side edge 2d intersect.

  Further, in order to make it easier for the user to handle the lever 223 regardless of the seating position of the user at the table T in the use position (P), in this embodiment, the lever 223 is connected to the use end 2a of the top plate 2 and one side. It is provided in the vicinity of the corner 2c where the edge 2d intersects and in the vicinity of the corner 2c where the use end 2a of the top plate 2 and the other side edge 2d intersect.

  In addition, the lever 223 is disposed at the corner portion 2c and the handle 23 is disposed closer to the center in the left-right direction than the adjacent lever 223, so that the handle for the user sitting on the table T at the use position (P). Since 23 is always positioned in front of the lever 223, it is possible to effectively avoid the user's chair, the elbow of the wheelchair, and the user's own leg from hitting the lever 223.

  In particular, in the present embodiment, in order to facilitate the operation of the lever 223 regardless of the user's sitting and posture, the lever 223 has a shape in which the tip side is gradually curved away from the top plate 2 so that the palm and fingers Furthermore, even if the lever 223 is touched with the back of the hand, the lever 223 is suitably fitted in the curved concave portion 223a, and an accurate operation of the lever 223 is ensured.

  Although the embodiment of the present invention has been described above, the specific configuration of each unit is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

  For example, although the aspect which provided the lever and the protection convex part in the corner part was disclosed in the said embodiment, of course, you may arrange | position the lever and the protection convex part in the intermediate position in the use end of a top plate. Further, the specific shape of the protective projection and the specific mode of the handle are not limited to those of the above-described embodiment, and various modes including the existing ones can be applied.

  In addition, the specific configuration of each part is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

  INDUSTRIAL APPLICABILITY The present invention can be used as a table that is preferably used in an office, a conference room, or the like and has a top plate configured to be able to perform a flap operation.

2 ... Top plate 2a ... Use end 2c ... Corner 2d ... Side edge 223 ... Lever 23 ... Protective protrusion (handle)
P ... Use position Q ... Storage position T ... Table

Claims (5)

In a table that allows the top plate to be flap-operated between the use position and the stowed storage position, and that the top plate can be locked so that the flap operation cannot be performed at least in the use position.
A lock release lever that rotates in a direction approaching and separating from the top plate is provided at a position near the use end on the lower surface of the top plate, and at a position close to the lever, below the lever at the use position. Protruding protective protrusions,
The table according to claim 1, wherein the protective projection is a loop-shaped handle that can be placed between a luggage receiver provided on a lower surface of the top plate and the lever. The table according to claim 1, wherein the lever is provided in the vicinity of a corner portion where a use end and a side edge of the top plate intersect. The lever is provided in the vicinity of a corner portion where the use end of the top plate and one side edge intersect, and in the vicinity of a corner portion where the use end of the top plate and the other side edge intersect, respectively. The table according to 1 or 2. The table according to claim 2 or 3, wherein the protective protrusion is disposed closer to the center in the left-right direction than the adjacent lever. The table according to claim 1, 2, 3, or 4, wherein the lever has a shape in which a distal end side is gradually curved away from the top plate.

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