JPS622637U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view of the main part showing the hanging structure of the half-folding folding structure according to this invention, Figure 2 is a cross-sectional view of the main part showing the same hanging state, and Figure 3 is a different implementation of this invention. FIG. 4 is a perspective view of essential parts showing an example of the pedestal folding locking means, FIG. 5 is a schematic diagram showing the locking state, and FIG. FIG. 7 is a front view showing the unfolded position, FIG. 7 is a side view of the same, and FIG. 8 is a front view showing the folded position. DESCRIPTION OF SYMBOLS 1, 2... Divided top plate part, 3... Pillar inner tube, 4... Pillar outer tube, 5... Hanging tool, 6... Engagement tool, 7... Leg stand, 8...
Caster, 9... Outer pillar, 20... Half-fold type folding structure, 15... Receiving part, 51... Expandable part, 52... Locking part.

Claims (1)

[Claims for Utility Model Registration] (1) A center-folding type folding device that is folded by moving the outer end sides of a pair of split top plates divided at the center in conjunction with the folding operation of the outer pillars. When the tatami structure is folded, the opposing split top plate parts are hooked, and the base end is attached to the back of one of the split top plate parts, and the elastic part is biased in the tightening direction of the split top plate part. , which is connected to the tip of the extension part and is shaped so that when folded, the elastic member is extended so that the outer ends of the pair of opposing split top plate parts can be fitted in and removed from the outside together in the thickness direction with almost no gap. a latching device having a split top plate latching portion formed in;
A locking structure for a half-folding type folding structure, characterized in that a receiving portion is provided for restraining the tip end side of the split top plate locking portion at a fitting position. (2) The locking structure for a mid-fold type folding structure according to claim 1, wherein the locking portion of the split top plate portion is made of a substantially U-shaped rod material. (3) An engaging device formed on the back surface of the split top plate portion provided with a hook, and removably locks the tip side of the hook portion at a certain position when the split top plate portion is not latched. A hanging structure for a mid-fold type folding structure according to claim 1, which is characterized by comprising: (4) The extendable part of the hanging device is installed in a hollow longitudinal side top support frame that is fixed along the outer periphery on the back of the split top plate and extends in the longitudinal direction of the top. Scope of claim for utility model registration No. 1
The hanging structure of the mid-folding type folding structure described in 2. (5) The center-folding type folding device according to claims 1 and 2 of the utility model registration claim, characterized in that the receiving portions are formed of an open hollow part of the longitudinal side top plate support frame of the split top plate portion facing each other. Hanging structure of the structure. (6) A locking device is formed in a hollow short-side top plate support frame that is fixed along the outer periphery on the back side of the split top plate portion and extends in the short side direction of the top plate, and The locking structure for a mid-fold type folding structure according to claim 3, which is characterized by comprising a through hole that locks in a detachable manner. (7) A request for registration of a utility model characterized in that a pedestal folding locking means is provided on the back of the split top plate portion to lock the pedestal of the folding structure in the folded position when folded. A hanging structure for a mid-folding folding structure according to item 1.