JPH03106957U - - Google Patents

Description

[Brief explanation of drawings]

1 to 6 show a chair according to an embodiment of the present invention, and FIG. 1 is an exploded perspective view of the bearing part;
Fig. 2 is a perspective view of the used state, Fig. 3 is a front view of the used state, Fig. 4 is a longitudinal sectional view of the bearing section, and Fig. 5 is a longitudinal sectional view of the bearing part.
The figure shows a sectional view explaining the operation of the bearing portion, and FIG. 6 shows a side view in a stacking state. 8a, 11a...pin hole, 10...rotor, 1
1...Ring part, 12...Protrusion for stopper, 2
0... Housing, 21... Bearing pin, 23...
space.

Claims (1)

[Scope of Claim for Utility Model Registration] The columnar front legs on both sides tilting backwards and the columnar rear legs on both sides tilting forward are shifted laterally so as to be stacked in order along the floor surface and fixed at an intersecting position, A rotor having a ring provided with a pin hole and two stopper protrusions projecting symmetrically in the radial direction on the outer periphery of this ring is fixed on both sides of the rear end of the seat part toward the front. , A bearing pin inserted into the pin hole is provided in the extension part of the front leg and the rear leg extending from the crossing position to the back rest position, and the bearing pin is inserted into the pin hole so as to be located at the widthwise center of the extension part. forming a housing having a correspondingly shaped space around a bearing pin into which the rotor is rotatably inserted; the seating portion is horizontally positioned on one radial side of the space portion for each projection; the protrusion is formed in a position that restrains the protrusion,
The chair is characterized in that the other radial side surface is formed in a relief position that allows rotation of the seating portion to the extent that stacking is possible.