JPS60207611A - Base plate support leg - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The object of the present invention is to adjust the height and inclination angle of a base plate of a desk, drafting table, guide plate, etc. in a single touch by rotating the operating handle L forward or backward. . The sketch in Figure 1 shows the rear telescoping stand S1 and the front telescoping stand S.
It is in a more extended state than 2. When you pull the operating handle L toward you as shown in the sectional view in Figure 2 to extend the front S2, the camshaft C is rotated so that the notch C1 changes from downward to sideways, and the large diameter of the camshaft lowers the push rod 31 downward to stop it. Lower body 3. If the base plate frame D is raised while maintaining this state and the operating handle L is returned to its original position, the base plate frame will stop at that height. It goes without saying that the method of fixing the telescopic tubular body may be any other suitable method in addition to the embodiments of the present invention.

[Brief explanation of the drawing]

FIG. 1 is a sketch showing an embodiment of the present invention. FIG. 2 is a sectional view showing an embodiment of the present invention. The names of each part are as follows. 1 is the lower tube body. 2 is the upper body. 3 is a stopper body. 31
It's a pushover. A is the leg. B is the horizontal rod. C is camshaft. D is the frame for the top plate. C1 is a notch. L is the operating pattern. M is a push spring. S1 and S2 are torii-shaped telescopic stands. 2a has a tapered edge. Applicant Shoichi Yamaura

Claims (1)

[Claims] 1. A horizontal rod B is installed on the upper part of two parallel telescopic tubes, each of which is fitted with an appropriate telescopic fixing device on the upper tube that is slidably fitted into the lower tube. A camshaft C passing through B and passing through the upper ends of the two upper tubes is rotatably attached, and an operating handle L is attached to both sides or one side of the camshaft C to encourage the rotation of the camshaft C. A pair of torii-shaped telescopic stands S1 and S2, which are capable of simultaneously operating the telescopic fixing devices of the two telescoping tube bodies, are set up in parallel in front and behind an appropriately shaped leg A, and one stand S1 is It is fixed at an appropriate angle, and the other stand S2 can be pivoted back and forth and pivoted forward, and the torii-shaped telescopic stand S1,
The torii-shaped telescoping stands S1 and S2 can be extended and contracted independently by being pivoted parallel to the front and rear of the lower part of the base plate frame D, with the camshaft C as the axis near the upper end of S2. The base plate support leg is characterized by adjusting the height and inclination angle of the base plate frame D. 2. A guiding tapered edge 2a is provided at the lower end of the upper tube body 2 as a telescopic fixing device for the expandable tube body, and the tapered edge 2a is provided at the lower end of the upper tube body 2.
The stopper body 3, which has a horizontally cylindrical, spherical, or round spherical shape, is moved laterally through the lower tube 1 and pressed against the inner wall surface of the lower tube 1 and the lower end of the upper tube 2.
Claim 1 is characterized in that the footper body 3 is vertically and vertically mounted in the lower pipe body 1 so as to be located near the lower end of the camshaft C, and that the vertical movement of the footper body 3 is controlled by rotation of the camshaft C. Base plate support legs.