OKAMURA CORPORATION Patent applications |
Patent application number | Title | Published |
20160100691 | CHAIR - A chair includes: a leg body; a backrest supporting body supported by the leg body; a backrest rear supporting member supported by the backrest supporting body; and a backrest that is supported by the backrest rear supporting member and supports the back of a user. The backrest has: a flexible upholstering material configured to receive the back of the user and is displaceable depending on the back; and a pair of vertical frame sections that are mounted on the upholstering material, have lower ends connected to the back rest rear section support section, and are separated in a width direction in which twisting deformation is allowed depending on a force applied from the upholstering material. | 04-14-2016 |
20150265058 | CHAIR - A chair includes: a leg body; a backrest supporting body supported by the leg body; and a backrest supporting body supported by the backrest supporting body and configured to support the back of a user. The backrest supporting body has: a backrest which has a flexible upholstering material member that receives the back of the user and enables displacement depending on the back and a pair of vertical frame sections on which the upholstering material member is mounted and which are separated in a width direction in which the vertical frame sections are elastically deformable by a force applied from the upholstering material member; and a backrest rear section supporting member configured to connect the vertical frame sections—in an upward/downward direction. | 09-24-2015 |
20150250301 | DESK DEVICE - An outer surface of a crosspiece portion of a leg body in a width direction is formed with a concave stepped portion that is recessed toward the inside of the crosspiece portion in the width direction. The concave stepped portion is formed over the entire length of the crosspiece portion. The concave stepped portion is provided with an attachment seat which an optional member is connected to. The concave stepped portion is blocked by a detachable cover member, so that it is possible to provide a desk device that enables the optional member to be added to the outer surface of the leg body if necessary without causing deterioration in the quality of external appearance. | 09-10-2015 |
20150130250 | HEIGHT ADJUSTMENT DEVICE IN FIXTURE, AND ARMREST DEVICE FOR CHAIR PROVIDED WITH HEIGHT ADJUSTMENT DEVICE - An armrest device for a chair includes a lower support rod that rises at a side of a chair seat and has a tubular upper end portion; and an upper support cylinder that has an armrest provided in an upper end thereof, is externally fitted to the lower support rod so as to be slidable in an up-down direction, and has a plurality of engaging portions therein. The armrest is made height-adjustable with respect to the lower support rod by disposing the locking member and a biasing member at an upper end portion of the lower support rod and providing the rotating rod inside the lower support rod. | 05-14-2015 |
20140077574 | BACKREST MECHANISM FOR CHAIR - A backrest mechanism for a chair includes a pair of left and right side rods, each having a folded portion in a laid-V shape in a side view at a portion for supporting a sitting person around his or her lumbar, and a back plate that connects opposing surfaces of the side rods. An upper portion of the back plate above the folded portions serves as a flexible portion that is elastically deformable in a backward direction and that has smaller rigidity than the left and right side rods, and a lower portion of the back plate below the flexible portion serves as an inflexible portion that has greater rigidity than the flexible portion. | 03-20-2014 |
20130334219 | WIRING BOX AND METHOD OF MOUNTING THE SAME - A wiring box includes: a top plate having an opening; a lid body which opens and closes the opening of the top plate; and a rotating arm, one end of the rotating arm being rotatably supported inside the opening of the top plate and another end of the rotating arm rotatably supporting the lid body, wherein the lid body is elevated while being held in a substantially vertical state inside the opening of the top plate by rotation of the rotating arm, and the opening of the top plate is closed by rotation of the lid body at a surface of the opening of the top plate so that a surface of the top plate and a surface of the lid body form a uniform surface. | 12-19-2013 |
20130313884 | CHAIR BACKREST DEVICE - The invention is capable of maintaining the planar view curve profile of the elastic membranous member of the back-contacting surface while enabling the maintenance of a stable and comfortable seated posture. The side frame members ( | 11-28-2013 |
20130307311 | STRETCHING STRUCTURE OF A TENSION MEMBER FOR A CHAIR - An engagement protrusion ( | 11-21-2013 |
20130284076 | FOLDING TABLE - Provided is a folding table for which a work of installing leg units on a tabletop is simplified, and squeaking and rattling are prevented even when the tabletop is used for a long period of time, so that the tabletop can be rotated smoothly. A protruding portion that protrudes in a horizontal direction is integrally formed on a bracket. By providing, on an upper portion of the leg units, a fitting hole into which the protruding portion fits and fitting the protruding portion into the fitting hole while crimping a distal end of the protruding portion in the horizontal direction, the bracket is connected to the leg units , and the tabletop is rotated using the protruding portion as a rotating shaft. | 10-31-2013 |
20130207427 | CHAIR WITH ARMREST - A chair with armrest includes a support base supported by a leg, a seat that is pivotally fixed to the support base using an axle extending in a left and right direction, the rear part of the seat being rotatable upward and downward, an impelling unit that is provided at the support base and impels the seat at the rear of the axle upward, and an armrest provided to the support base. When the rear part of the seat rotates upward or downward, the height of the armrest does not change, and therefore arms or the like are not squeezed between the top plate of a desk and the armrest. | 08-15-2013 |
20130169017 | CHAIR - Provided is a chair in which the rear section of the seat can be raised with good lateral balance, in which the seat is stable, and that has a simple structure and a good appearance. The disclosed chair includes a seat ( | 07-04-2013 |
20130088065 | FURNITURE CLOTH AND CHAIR - Plural weft fascia portions wider than wefts are arranged in a ground texture formed in a lattice shape by warps and the wefts so as to be spaced from each other from one end of the clothing fabric toward the other end thereof in the vertical direction, and the arrangement intervals between the weft fascia portions adjacent to each other in the vertical direction are gradually decreased from one end of the clothing fabric toward the other end in the vertical direction, and then are gradually increased from the minimum portion. | 04-11-2013 |
20120313419 | STRETCHING STRUCTURE OF CHAIR UPHOLSTERY MATERIAL - Disclosed is a stretching structure of a chair upholstery material, in which an upholstery material can be easily installed in a frame body, enough deflection allowance of the upholstery material can be ensured, and further the material cost and production cost can be reduced without decreasing the strength. Hence, the stretching structure of the chair upholstery material, in which an upholstery material ( | 12-13-2012 |
20120227642 | FURNITURE WITH TOP PLATE - A piece of furniture with a top plate configured to be change a height thereof, the piece of furniture includes: a top plate; a pair of left and right leg bodies which supports left and right sides of the top plate. Each of the leg bodies includes a fixed leg column installed on a floor surface, a movable leg column supported by the fixed leg column to be raised and lowered, a gas spring which is extendable and retractable vertically to assist elevation of the movable leg column and fixation of a height position of the movable leg column, and a switch which switches an extendable state and a fixed state of the gas spring. An operating unit which operates the switch is provided in the top plate. A switching synchronizer is provided to simultaneously operate each of the switch when the operating unit is operated. | 09-13-2012 |
20120212027 | BACKREST FOR CHAIR - A backrest for a chair, including a bag-like upholstery material, with which a back frame is upholstered by fitting the bag-like upholstery material onto the back frame that has a pair of right and left side frames extending in an up-down direction. A high-friction member is disposed on at least one of an inner surface of both side portions of the upholstery material on a lower portion side thereof supporting the sitting person around the hip and an outer surface of the right and left side frames contacting the inner surface of the side portions of the upholstery material on a lower portion side thereof, the high-friction member being configured to increase the sliding resistance in an area of contact between the upholstery material and the side frames | 08-23-2012 |
20120205948 | CHAIR - A chair is such that concave grooves recessed rearward and forward and oriented in an upward/downward direction are formed in front and rear surfaces of left and right side portions of a backrest, and portions of mounting members installed at both sides an optional member are engaged with the concave grooves to mount the optional member on the backrest. | 08-16-2012 |
20110204694 | CHAIR BACKREST - A chair backrest in which a frame-like back frame is covered with a bag-like upholstering material having an open lower end in a state of tension, the back frame being formed by connecting a pair of left and right side portion frames, which extend in an up and down direction, together at upper ends and lower ends thereof by an upper frame and a lower frame which extend in the left and right direction, wherein intermediate portions in the left and right direction of the upper frame and the lower frame are connected to each other by an intermediate frame which is situated behind the both side portion frames and is extended in the up and down direction, thereby causing an intermediate portion of a rear surface portion of the upholstering material to project rearward. According to such a backrest, when a person sitting on the chair leans against the backrest, the reaction force of the upholstering material does not vary to an extreme extent during the leaning action, and a rearward recess amount of the upholstering material of the backrest in response to a load can be sufficiently secured, thereby obtaining a comfortable sitting sensation. | 08-25-2011 |
20100242808 | TABLE - A table has a substantially plate-like top plate, a pair of beams arranged side by side on the lower surface of the top plate and supporting and fixing the top plate, and supporting bodies arranged on the pair of beams so as to lie in the longitudinal direction of the pair of beams and supporting and fixing the pair. The supporting bodies have on the upper portion thereof a substantially horizontal pair of first placement surfaces and a pair of second placement surfaces extending from the first placement surfaces and inclined in the lateral direction of the beams. The beams each have a top plate supporting surface to which the top plate is fixed, a first bottom surface which is, at least in the area supported by the supporting bodies in the longitudinal direction, supported in a contacting manner by a first placement surface, and a second bottom surface extending from the first bottom surface, inclined, and supported in a contacting manner by a second placement surface. | 09-30-2010 |
20100237679 | BACKREST OF THE CHAIR AND ADAPTATION DEVICE FOR THE SAME - A backrest of chair in which the lower part of a back frame can be concealed neatly by a stretching material. In the backrest device of a chair where a bag like stretching material ( | 09-23-2010 |
20100024688 | DESK TOP PANEL AND A DESK WITH THE SAME - Provided is a desk top panel, which normally protects privacy in a complete shielding form, permits facing persons to converse and documents and the like to be passed and received by opening a lower space of the desk top panel as needed, and permits a wiring cover to be easily attached/removed or opened/closed. A desk having such desk top panel attached thereon is also provided. A desk top panel is attached to the rear portion of a top board of a desk to stand, for blocking the visual fields of sitting persons. The desk top panel is provided with a panel-like main body; a pair of right and left attaching sections, which vertically extend downward from the both lower end portions of the main body by having the lower end sections attached to the top board or a top board supporting body of the desk; and a closing plate, attached to the lower end of the main body to be opened/closed, so that a space formed between the main body and the upper surface of the top board of the desk can be opened/closed when both the attaching sections are attached to the desk. | 02-04-2010 |
20090195043 | CHAIR - A chair in which a backrest can be largely tilted rearward within a small rotation angle range without increasing the heights of a leg body and a seat body. The leg body ( | 08-06-2009 |
20090115198 | LATCH DEVICE OF A DOOR - A simply structured and smoothly operable latch device of a door in which a latch can be infallibly released by operating a handle from any of upper, lower, right, and left sides. The handle ( | 05-07-2009 |
20090007506 | Partition Panel and a Method of Assembling It - A partition panel for dividing a room in an office comprises a pair of decoration panels each having a plurality of engagement holes, a rectangular frame between the pair of decoration panels, and an engagement member having a plurality of hooks. The hooks engage in the engagement holes of the decoration panel. The engagement member is fixed to the frame. | 01-08-2009 |