JPH0412523U - - Google Patents

Description

[Brief explanation of drawings]

Figure 1 is a perspective view of the present invention, Figures 2 and 3 are a plan view and front view of the husband locking groove plate, Figures 4 and 5 are perspective views of the main parts of the upper clamping body, respectively. Figure 6 is an operational diagram showing the state in which the upper clamping body is fixed to the upper support, Figures 7, 8, and 9 are a plan view, front view, and side view of the connecting rod holder frame, respectively, and Figure 10 is a diagram showing the state in which the upper clamping body is fixed to the upper support. FIG. 11 is a vertical sectional view of the upper part of the present invention, and FIG. 12 is a perspective view of the display plate receiving frame, and FIG. 12 shows the locking groove of the locking groove plate and the locking protrusion of the connecting rod receiving frame. FIG. 13 is a sectional view showing the engaged state, and a perspective view showing the present invention in use. 3... Upper strut, 4... Lower strut, 9... Recessed groove for locking, 10... Locking groove plate, 13... Locking plate, 14... Main column body, 26... Upper clamping body, 31... Lower clamping body, 32 …
Adjustment nut, 33... Connecting rod receiving frame, 35... Bolt shaft, 36... Shaft insertion hole, 38... Locking protrusion,
39... Upper wall part, 40... Lower wall part, 42... Connecting rod, 4
3... Leg insertion hole, 44... Leg holding fitting, 45... Display plate receiving frame, 47... Screw hole, 48... Nut body, 50... Washer.

Claims (1)

[Scope of utility model registration request] A threaded rod-shaped lower support 4 is connected to the lower end of the vertically long cylindrical upper support 3 so as to form the same axis X-X, and a disk-shaped bolt shaft 35 is suspended from the center of the upper end of the upper support 3. The locking plate 13 is provided with V-shaped locking grooves 9, 9... radially extending at equal angles (α°) from the center toward the outer periphery, so that the center is on the axis XX. The main column body 14 is fixed horizontally so as to be positioned; the upper clamping body 26 is fitted to the upper column 3 and can be adjusted up and down; A bolt is attached to the center of the bottom wall portion 34 using a lower clamping body 31 that can be positioned at any height using an adjusting nut 32 that is screwed together, and a channel material that is slightly longer than the diameter of the locking groove plate 10 of the locking plate 13. It has a shaft insertion hole 36, and when the bolt shaft portion 35 is inserted into the through hole 36, the four corners on both sides of the bottom wall portion 34 correspond to the locking grooves 9, 9, . . . of the locking groove plate 10. The connecting rod holder frame 33 has locking protrusions 38, 38... projecting from the lower surface of the bottom wall 34, and the upper and lower walls are rectangular cylinders of appropriate length that can be inserted into the holder frame 33. Opposed bolt shaft insertion holes 41, 41', 41, 41 spaced apart at appropriate intervals P, P... on the longitudinal center line of the parts 39, 40.
A display board receiving frame body 45 in which cylindrical pillar holding metal fittings 44, 44 are fixed to both ends of a connecting rod 42 having a hole therein with the pillar part insertion holes 43, 43 in the vertical direction, and a bolt shaft part 35. A display board mounting tool for a construction site, comprising a cylindrical nut body 48 having a screw hole 47 to be screwed into the body and a washer 50.