JPH0186826U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 shows the stand structure of a folding structure according to an embodiment of this invention, a is a front view showing the unfolded state, b is a side view of the same, c is a front view showing the limit where the caster is stationary, Fig. 2 is a schematic diagram showing the tilting state of the pillar during the folding and unfolding process, where a shows the state when unfolding, b shows the middle of folding (or unfolding), and c shows the time when folding is completed. 4 is a side view of the main part showing the telescopic structure of the stand used in the embodiment of this invention.
The figure is a front sectional view of the same main part, and FIG. 5 is a partial sectional view showing the shoe part of the stand. 21, 22... Pillar, 40... Caster, 50
... Stand, 51 ... Outer tube section, 52 ... Inner tube section, 60 ... Operating rod-shaped member, 61 ... Sliding hole.

Claims (1)

[Claims for Utility Model Registration] A top plate that is divided into two parts at the center and pivoted so that they can be folded; and the upper end of each divided piece of the top plate is pivoted at a position where the lower surface of each divided piece faces each other, and the lower end A pedestal having an outer cylinder part provided with a caster on the ground side through an extending pipe part extending outward, and an inner pipe part for a stand that is fitted into the outer cylinder part and is slidable in the vertical direction. , a telescopic hanging pipe with a double pipe structure hanging from the central pivot position of the top plate, a lower end of which is pivoted to the inner tube of the telescopic hanging pipe, and an upper end that rises up while gradually tilting outward and is pivoted to the top plate side. a pair of left and right stay members, and a pair of left and right link members, the inner ends of which are pivotally connected to the outer pipe of the telescoping vertical tube, and the outer ends of which are pivotally connected to the midway part of the pillar; A foldable structure comprising: an operating rod-like member having an upper end pivotally attached to a midway portion of the link member and a lower end pivotally attaching to the inner pipe portion; A folding folding device characterized by having an elongated sliding hole provided in the outer cylinder part below the pivot position of the stay member so as to lift or push down the inner pipe part in the vertical direction when unfolding the tatami mat. expression struct.