JP6296368B2 - Tiltable work chair - Google Patents

Description

  The present invention relates to a tiltable work chair, mainly by a tilt adjustment unit coupled to the bottom when tilting in the front-rear direction or the left-right direction with respect to the work chair in the form of a high leg, The present invention relates to a tiltable work chair that can maintain a precise and stable support with respect to the ground, so that a user can easily obtain a comfortable sitting feeling when tilting.

A high-legged work chair 40 that some people who have to work for a long time (for example, department store salespersons, hairdressers, etc.) can usually sit in a standing position to obtain a timely sitting break. (See FIG. 9). Such a work chair 40 includes a support column 10 that allows assembly of the pedestal 20 at the lower end, and a seat unit 30 that forms an orientation coupling with the upper end of the support column 10 and can be adjusted to a required height in a timely manner. . Such a work chair 40 can be reliably provided to a person who is standing for a long time in use so as to obtain an application of a temporary break of the thigh, but a person who uses such a work chair 40 sometimes does The work cannot be continued unless it is tilted substantially forward, and the pedestal 20 at the lower end of the work chair 40 has a single peripheral edge when it is tilted forward. In fact, it is necessary to support the inclined arrangement of the entire seat chair with the force of the above, and it is not possible to sit on the work chair 40 and take a rest. As a work chair capable of tilting, there is known a work chair having a support body at the upper end and capable of adjusting the tilted state, direction and length and having a support (published on March 7, 1980 (Patent Document 1). ), JP-A-55-32577).

  In order to further solve the problem that such a work chair is incompatible with the stable support when it is necessary to tilt forward in use, the present inventor proposed that Even if it is necessary to incline for a short period of time, or when it is necessary to incline forward or backward, or to incline to the left or right, the inclination adjustment unit coupled to the bottom can be used to ensure accurate contact with the ground. A user has proposed a work chair that can maintain a stable support and can easily obtain a comfortable seating at the time of tilting.

JP 55-32577 A

  The present invention is intended to be further improved based on the situation where it is necessary to tilt forward when using a high-leg work chair, but stable support cannot be obtained. Allows the assembly of the tilt adjustment unit, and the work chair applied by the user during normal times can be easily maintained in an appropriate elastic stable state with the ground by the tilt adjustment unit and in the front-rear direction. Even when it is necessary to incline or incline to the left and right, it is possible to maintain the azimuth stability when the work chair is inclined through an inclination adjustment unit coupled between the pedestals. Without breaking the stable arrangement between the work chair and the ground due to the tilt in the direction of the above, such a work chair can be adapted to be applied upright or to improve sitting comfort in any direction .

The main object of the present invention is to provide a stable support between the work chair of the high leg type and the ground, so as to obtain stable support between the work chair and the ground. An annular recessed area for allowing assembly of the tilt adjustment unit is recessed in a predetermined range on one side upward along the pedestal, and the tilt adjustment unit includes a pedestal, a connector, and a plurality of tough pieces. and the bearing member, is composed of a coating tool, its inside, in the corresponding portion of the base and connector, allow penetration positioning limiting unit fraction bearing member extends outwardly, said connector and the pedestal Maintaining a distance with appropriate elasticity, and connecting the downward and upper peripheral edges of the connector to a plurality of hook portions and a plurality of stop portions extending downward in a predetermined range of the covering device. Hold the azimuth so that they match, and have been reserved in advance in the middle part of the dressing Perforation allows inward retraction of a one-tough tough bushing step joined to the downward portion of the longitudinal support column of the work chair, and the hole in the intermediate portion of the connector is retracted into the support column. Maintains appropriate elastic connection with the bushing step of the above-mentioned section, and maintains an appropriate elastic stable state with the ground by an inclination adjustment unit coupled to one side of the pedestal as a work chair applied during normal times Even when it is necessary to incline forward and backward, or to incline left and right, it is possible to maintain azimuth stability when the work chair is inclined via an inclination adjustment unit coupled between the pedestals. Without disturbing the stable placement between the work chair and the ground due to artificial tilting in any direction, the work chair can either stand upright or tilt in any direction in application. Even a comfortable seating can be obtained Employing the door, it is to provide a tiltable work chair.

  The second object of the present invention is that even if the limiting portion where the support member, which is limited between the pedestal provided in the tilt adjustment unit and the connection tool, extends outward is a spiral saddle portion of one node. Well, it can be easily penetrated through the corresponding holes of the lower pedestal and the upper connection tool, and each support tool between the connection tool and the pedestal in accordance with the direction twist tightening of the packing and the screwing element. It is intended to provide a tiltable work chair that is capable of maintaining an appropriate elastic support in response to precise checks.

  The third object of the present invention is to provide a plurality of covering tools extending downward in order to properly hold the connecting tools connected at intervals between the bases provided in the tilt adjustment unit in the vertical direction. The hook portion and the plurality of restraining portions of the present invention provide a tiltable work chair that exhibits a crossing direction distribution and can easily maintain a balanced orientation limitation with respect to the upper and lower peripheral edges of the coupler.

  A fourth object of the present invention is to allow a substantially reduced diameter indentation on the outer periphery and a slightly protruding form on the upper and lower ends in the intermediate portion of the support device that is limited between the pedestal provided in the tilt adjustment unit and the connection tool. The tilt adjustment unit coupled to the pedestal can be tilted in an arbitrary direction, can easily maintain a suitable toughness deformation, and can be tilted without being excessively hindered. Is to provide a chair.

  A fifth object of the present invention is to provide an integrally molded, non-toughness restricting portion in the restricting portion in which a support member, which is limited between a pedestal provided in the tilt adjusting unit and the connecting tool, extends outward. It is an object of the present invention to provide a tiltable work chair that allows the tough support to be embedded in a predetermined site.

  A sixth object of the present invention is to allow a plurality of recesses to be provided on one side located below the pedestal provided in the tilt adjustment unit, and to provide ribs at predetermined intervals with anti-slip pads. It is an object of the present invention to provide a tiltable work chair in which a plurality of adapter tube steps for facilitating tight clamping of one end are formed.

It is a bottom exploded view showing the base and related members of the work chair of the present invention. It is a bottom perspective view showing completion of assembly of the base of the work chair of the present invention and related members. It is a whole external view which shows the state which couple | bonded the inclination adjustment unit with the bottom part of the work chair of this invention. It is the plane schematic which shows the state which couple | bonded the inclination adjustment unit with the bottom part of the work chair of this invention. It is a cross-sectional detail drawing of the AA site | part of FIG. FIG. 6 is an enlarged detail view of a tilt adjustment unit at the bottom of FIG. 5. It is a figure which shows the state which the inclination adjustment unit couple | bonded with the bottom part of the work chair of this invention received right-and-left inclination. FIG. 7 is an enlarged detail view showing a state where the tilt adjusting unit at the bottom of FIG. It is a cross-sectional detail drawing of the BB site | part of FIG. It is a figure which shows the state which the inclination adjustment unit couple | bonded with the bottom part of the work chair of this invention received the front-back inclination. It is a front schematic diagram of a conventional work chair.

  The tiltable work chair (see FIG. 3) of the design of the present invention includes a work chair 8 in the form of a high leg, a support column 1, a pedestal 2 coupled to a lower end of the support column 1, and the support column 1. It is composed of a seat 3 assembled at the upper end, in which the assembly method of the members mentioned above is not the means that this application intends to claim, but for the implementation technique that this application applies here, When the work chair 8 is used, the base 2 of the work chair 8 is used to maintain stable support with the ground when it is tilted back and forth or tilted left and right (see FIG. 1). An annular recessed area 21 for allowing assembly of the tilt adjustment unit 7 is recessed in a predetermined range on one side upward along the line (see FIG. 5). The tilt adjustment unit 7 includes the base 2, the coupling tool, and the like. 4, multiple tough bearing members 5, and covering device 6 It is made.

Among them, the corresponding portion of the coupling 4 and base 2, permitting penetration positioning limiting unit component 51 bearing tool 5 extend outwardly, the coupling 4 and the base 2, suitable elastic (See FIG. 5A), and a plurality of hook portions 61 and a plurality of hook portions 61 that extend downward in a predetermined range of the covering tool 6 at the lower peripheral edge and the top peripheral edge of the connector 4 The azimuth is clamped so as to match the restraining portion 62 of the book (see FIGS. 1 and 5-1), and the vertical column of the work chair 8 is inserted in the punched hole 63 reserved in advance in the intermediate portion of the covering 6. Allowing the inward retraction of the one-node toughness bushing step 11 coupled to the downward portion of the portion 1, the hole 41 in the intermediate portion of the connector 4 is inserted into the bushing step 11 of the node of the strut portion 1 that is retracted. And maintain an appropriate tension connection.

  Subsequently to the above, the limiting portion 51 in which the support 5 that is limited between the base 2 and the connector 4 provided in the tilt adjustment unit 7 extends outward is implemented as a one-section spiral saddle. The holes 22 and 42 in the corresponding portions of the lower pedestal 2 and the upper connection tool 4 can be easily penetrated, and in accordance with the azimuthal twist tightening of the packing 52 and the screwing element 53 (FIG. 1). And FIG. 5A), an appropriate elastic support can be maintained between the connector 4 and the pedestal 2 by receiving appropriate checks by the support members 5. A plurality of hook portions extending downward along a covering tool 6 for appropriately holding the connecting tool 4 coupled at intervals between the bases 2 provided in the inclination adjusting unit 7 in the vertical direction. 61 and the plurality of restraining portions 62 exhibit a crossing direction distribution, and can easily maintain a balanced orientation limitation with respect to the upper and lower peripheral edges of the connector 4.

  The intermediate portion of the support 5 that is limited between the pedestal 2 and the connector 4 provided in the tilt adjustment unit 7 is allowed to have a substantially reduced diameter indentation on the outer periphery and a slightly protruding form on the upper and lower ends (FIG. 1, 5-1), the tilt adjustment unit 7 coupled to the pedestal 2 can easily maintain an appropriate toughness deformation by receiving an inclination of an arbitrary orientation, and receive excessive inhibition. There is no (see FIGS. 6 and 8). Further, the restriction portion 51 in which the support 5 limited between the base 2 and the connection tool 4 provided in the tilt adjustment unit 7 mentioned above extends outwardly is integrally molded to limit non-toughness. The portion 51 allows the tough support 5 to be embedded in a predetermined portion, and at the same time allows a plurality of recesses 23 to be provided on one side of the base 2 provided in the tilt adjustment unit 7 ( 1), and a plurality of adapter tube steps 25 for facilitating the retraction of one end of the non-slip pad 26 are formed on the rib portions 24 at predetermined intervals (see FIGS. 2 and 6-1). .

  Regarding the use of the tilt adjustment unit 7 assembled in a lower part of the work chair 8 (see FIG. 3), the work chair 8 applied in normal time is provided by the tilt adjustment unit 7 coupled to one side of the base 2. An appropriate elastic stable state can be maintained between the ground and the ground (see FIGS. 5 and 7), and can be tilted forward and backward (see FIG. 8) or horizontally (see FIG. 6). Reference) Even if necessary, the tough support device 5 having a corresponding range of toughness via the inclination adjustment unit 7 coupled to one side of the pedestal 2 is pressed under an external force to receive the recessed region 21 of the pedestal 2. (See FIG. 6A), and at this time, the lower part of the vertical column 1 of the work chair 8 is restricted by the intermediate part of the connector 4 coupled to one end of the support 5. The tilt of the work chair 8 is maintained within the safe tilt range. Such a work chair 8 can be made upright in application or without breaking the stable arrangement between the work chair 8 and the ground by artificially tilting in any direction. It is improved so as to obtain a comfortable seating regardless of the inclination state in any direction.

(Conventional technology)
DESCRIPTION OF SYMBOLS 10 Supporting part 20 Base 30 Seat 40 Work chair (present invention)
DESCRIPTION OF SYMBOLS 1 Support | pillar part 11 Bush step 2 Base 21 Recessed area 22,41,42 Hole 23 Recess 24 Rib part 25 Adapter pipe step 26 Non-slip pad 3 Seat part 4 Connecting tool 5 Supporting tool 51 Restriction part 52 Packing 53 Screwing element 6 Covering Tool 61 Hook part 62 Restraint part 63 Hole 7 Inclination adjustment unit 8 Work chair

Claims (5)

A work chair (8) capable of tilting, wherein the work chair (8) is in the form of a high leg, and is coupled to a seat part (3) disposed on the top and a lower end part of the seat part (3). And a tilt adjustment unit (7) that is coupled to the lower end of the column (1) and is arranged at the bottom of the work chair (8),
The lower end of the support column (1) is covered with a cylindrical one-node toughness bush step (11),
The tilt adjustment unit (7) includes a disc-shaped base (2) disposed at the bottom, a plurality of tough supports (5) disposed at the top of the base (2), and the support (5) A connector (4) which is disposed on the upper part and connects the support column (1) and the support device (5), and a covering device (5) which covers the support device (5) and the connector (4). 6)
The connector (4) has a disk shape with a peripheral edge bent downward, and is provided with a hole (41) into which the one tough tough bush step (11) is inserted at the center, and the peripheral edge is directed downward. A downward peripheral edge extending to the top and a top peripheral edge on the same plane as the upper surface of the connector (4),
It said bearing member (5) is a cylindrical, wherein the upper and lower ends of the support member (5), said support member (5) Replacing non toughness restraint for limiting the position of (51) vignetting,
The covering tool (6) has a bowl shape that protrudes from the peripheral edge toward the center, and is provided with a punch hole (63) in which the support (1) is disposed in the center, and on the lower inner surface. A plurality of hook portions (61) connected to the downward peripheral edge are formed, and a plurality of stop portions (62) connected to the top peripheral edge are formed on the upper inner surface,
In order to maintain a stable support between the work chair (8) and the ground by tilting in the front-rear direction or the left-right direction with respect to the work chair (8), the base (2) of the work chair (8) the predetermined range of the upper portion of the through annular凹置region (21) is recessed, the corresponding portion of the base (2) and the coupling (4) is the front SL restricted portions (51) are arranged A hole is formed, the connecting tool (4) and the pedestal (2) are maintained at an elastic distance, and the downward peripheral edge and the top peripheral edge are directed downward in a predetermined range of the covering tool (6). Azimuthally clamped so as to match the plurality of hook portions (61) and the plurality of stop portions (62) extending to the center, and is previously held in the center of the covering device (6) The punch hole (63) maintains the connection between the tough bush step (11) of the first section and the hole (41).
The Te use smell work chair (8), to maintain a stable support between the ground by the inclination adjustment unit coupled to one side (7) of the base (2), and or inclined in the longitudinal direction Even when it is necessary to incline left or right, the work chair (8) maintains azimuth stability when the work chair (8) is tilted via the tilt adjustment unit (7) coupled between the pedestals (2). The work chair (8) can be either upright or tilted in any direction without destroying the stable arrangement between the work chair (8) and the ground due to artificially tilting in any direction. Adopting that stable seating can be obtained even if
In the upper part of the pedestal (2), a recess surrounded by the annular recess region (21) is provided, and the recess is formed when a downward pressing force is applied to the work chair (8). A tiltable work chair, characterized in that it is configured to accommodate a lower end portion of the strut portion (1) covered with the one-section toughness bushing step (11).   The restricting portion (51) in which the support (5), which is limited between the pedestal (2) and the connector (4), provided in the inclination adjusting unit (7) extends outwardly. A spiral ridge portion of one node, which is passed through a hole in a corresponding portion of the lower pedestal (2) and the upper connection tool (4), and includes a packing (52) and a screwing element (53) In accordance with the azimuthal twist tightening, the support (5) is restricted between the connector (4) and the pedestal (2) to maintain stable support. Item 10. The tiltable work chair according to Item 1.   A covering tool (6) that clamps in the vertical direction with respect to the connecting tool (4) coupled at intervals between the pedestals (2) included in the tilt adjusting unit (7) extends downward. The plurality of hook portions (61) and the plurality of restraining portions (62) are arranged opposite to each other with the one-tough tough bush step (11) interposed therebetween, so that The tiltable work chair according to claim 1, wherein an orientation limitation balanced with respect to a peripheral edge is maintained. The tilt adjusting unit (7) said base comprising a (2) and the coupling (4) and said bearing member being defined between (5) is protruded and Ryakuchijimi-diameter input, intermediate portion of the outer periphery The inclination adjusting unit (7), which is composed of upper and lower end portions and coupled to the pedestal (2), is capable of maintaining the deformation of the support (5) in response to a tilt in an arbitrary direction. The tiltable work chair according to claim 1, wherein the work chair is tiltable.   The restriction portion (51) extending outward from the support (5) defined between the pedestal (2) and the connector (4) provided in the tilt adjustment unit (7) The tiltable work chair according to claim 1, characterized in that it is embedded in the upper and lower ends of the support (5) by integral molding.