JPH01164848U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is an explanatory front view of a chair that employs the operating device according to the present invention, Fig. 2 is an explanatory rear plan view of the seat support, and Fig. 3 is a front view of Fig. 2, which shows the remote control means involved. The attached front view of FIG. 2 and FIG. 4 are explanatory diagrams showing another embodiment of the pressing means. 1: Seat, 2: Backrest, 3: Seat support, 4:
Leg tube, 5: Backrest support, 6: Lifting means, 7: Pressing means, 8: Remote control means, 8a: Operation handle, 9: Operation protrusion, 10: Annular pedestal, 11: Outer frame, 12 : Rib, 13: Pressing rod, 14: Pivot rod,
15: Operation rod, 16: Annular wall, 17: Accommodation groove, 1
8: Butterfly plate, 19: Screw, 20: Bent part, 21:
Partition wall, 22: Guide tube, 23: Wire, 24:
Substrate, 25: Notch, 26: Overhang, 27: Main body, 28: Stopper piece, 29: Handle protrusion, 30: Partition, 31: Protrusion, 32 to 34: Pivot pin, 35: Spring, 36: Receiving part.

Claims (1)

[Claims for Utility Model Registration] (1) It is housed in a leg cylinder and supports a seat support part at its upper end, and an operating protrusion is located within the seat support part and can be raised and lowered by operating the operating protrusion. a lifting means such as a gas cylinder, an oil cylinder, etc.; the base end of a pressing rod, one end of which is located on the operating protrusion of the lifting means, is bent and extended at right angles to form a pivot rod; the tip of the pivot rod is bent; a pressing means for the operating protrusion, which is extended to serve as an operating rod and whose pivot rod portion is rotatably attached to the seat support; one end of a wire is fixed to the operating rod of the pressing means, and the other end of the wire is fixed to the operating rod; A remote control means fixed to a handle provided at an appropriate position on a chair, and an operating device for a chair lifting means. (2) An annular pedestal part supported by the tip of the elevating means is provided in the center of the rear part of the seat support part, and the tip of the elevating means is inserted into the pedestal part and supported at the upper part, and the operating protrusion is attached to the annular pedestal. A groove is formed in the upper part of the annular wall located in the penetrating portion and inside the pedestal and is open upward and can accommodate the pressing rod of the pressing means, and the tip of the pressing rod of the pressing means is raised and lowered into the housing groove. The means is positioned and accommodated on the insertion protrusion of the means, the pivot rod is pivoted to the upper end of the inner surface of the annular wall with a hinge plate so as to be rotatable, and the end of the pivot rod is positioned on the inner surface of the side end of the seat support section. 2. An operating device for a chair elevating means according to claim 1, which is a registered utility model, and has an operating rod hanging downward and associated with a remote controlling means. (3) A pivot rod is provided horizontally at a right angle from the base end of the pressing rod, which is set approximately horizontally, and a bent part is extended from the end of the pivot rod in the opposite direction to the pressing rod, and the tip is hung downward to form an operating rod. An operating device for a chair elevating means according to claim 1, wherein a pivot lever of the pressing means is rotatably attached to a seat support portion using a pressing means provided therein.