JPH0190428U

JPH0190428U -

Info

Publication number: JPH0190428U
Application number: JP18823387U
Authority: JP
Priority date: 1987-12-10
Filing date: 1987-12-10
Publication date: 1989-06-14

Description

[Brief explanation of the drawing]

第１図は本考案装置の一実施例の要部を示す平
面図、第２図はその概略平面図、第３図は同じく
その概略正面図、第４図はその概略側面図、第５
図はその要部を一部取り出して示す正面図、第６
図はその側面図、第７図は他の実施例の要部を示
す平面図、第８図は本考案に係る製図台の概略斜
面図である。１……基台、２……固定支柱、３……昇降支柱
、４……図板架台、５……流体圧シリンダー、６
……角部、７……案内辺部、１０……ローラ、１
１……凹状走行面、１２……凸状走行面、１３…
…ガイド、１４……支軸。 FIG. 1 is a plan view showing essential parts of an embodiment of the device of the present invention, FIG. 2 is a schematic plan view thereof, FIG. 3 is a schematic front view thereof, FIG. 4 is a schematic side view thereof, and FIG.
The figure is a front view showing some of the main parts.
The figure is a side view thereof, FIG. 7 is a plan view showing essential parts of another embodiment, and FIG. 8 is a schematic oblique view of the drafting table according to the present invention. 1...Base, 2...Fixed column, 3...Elevating column, 4...Drawing board mount, 5...Fluid pressure cylinder, 6
... Corner, 7 ... Guide side, 10 ... Roller, 1
1... Concave running surface, 12... Convex running surface, 13...
...Guide, 14...Spindle.

Claims

[Claims for Utility Model Registration] (1) In a drafting table or the like provided with a fixed support fixed to a base and an elevating support that moves up and down via rollers between the fixed support, the roller has a concave running surface. and a convex running surface, and at least the concave running surface of the roller is in contact with the corner of the one support, and at least the convex running surface of the roller is in contact with the corner of the other support, so that the elevating support is at least supported. An elevating device for drafting tables, etc., configured to guide at four corner points. (2) In the device set forth in claim (1) of the utility model registration, the lifting support has a rectangular shape, the concave running surface of the roller contacts the corner of the square, and the fixed support supports the corner of the lifting support. and has a guide side,
An elevating device for a drafting table or the like configured such that a convex running surface of a roller comes into contact with the guide side. (3) In the device set forth in claim (1) of utility model registration, the fixed support has protruding guide portions at four diagonal corners, and the concave running surface of the roller is in contact with the protruding guide portions. Lifting and lowering of a drafting table, etc., in which the lifting support has a guide side opposite to the protruding guide of the fixed support, and the convex running surface of the roller comes into contact with the guide side. Device. (4) In the device described in claims (1), (2), or (3) for utility model registration, the roller is provided with an approximately 90° V-shaped concave running surface, and both sides of the concave running surface are provided. An elevating device for a drafting table, etc., characterized in that it is equipped with a convex running surface. (5) Scope of claims for utility model registration (1), (2), (3) or
In the device described in (4), the roller lifts and lowers a drafting table, etc., characterized in that both ends of a support shaft are supported by opposing guide frames of a guide having a U-shaped or square-shaped cross section. Device.