JPH0311436U

JPH0311436U -

Info

Publication number: JPH0311436U
Application number: JP7029789U
Authority: JP
Priority date: 1989-06-15
Filing date: 1989-06-15
Publication date: 1991-02-05

Description

[Brief explanation of the drawing]

第１図ないし第５図は本考案の一実施例を示す
各説明図、特に第３図および第４図は右側壁部の
内部構造を示す各説明図、第６図ないし第８図は
本考案の他の実施例を示す各説明図、特に第７図
は正面から見た場合の中間ボツクスの内部構造を
示す説明図、第９図および第１０図は中間ボツク
スのの内部構造を示す他の実施例各説明図である
。１，１Ａ……天板、Ｘ，Ｘ１……実習台、２，２
Ａ，３，３Ａ……側壁部、４，４Ａ，４Ｂ……駆
動軸、５，５Ａ……操作ハンドル、６……従動軸
、７，８，４５……ギヤ、９，１１，２３，２４
，２７，２８……ベベルギヤ、１０，２５，２６
，４３……垂直螺杆、１２，１２Ａ，１３Ａ……
伸縮台、１４，２９，３０，５３……ナツト、２
０，２０Ａ……中間ボツクス、２１，２１Ａ……
中間伸縮台、４４……伝動用ギヤ、１９，４６，
４７，５４……軸受、４９，５０……スライドシ
ヤフト、５１，５２……連結アーム。 Figures 1 to 5 are explanatory views showing an embodiment of the present invention, particularly Figures 3 and 4 are explanatory views showing the internal structure of the right side wall, and Figures 6 to 8 are explanatory views of the present invention. Each explanatory drawing showing other embodiments of the invention, especially Fig. 7 is an explanatory drawing showing the internal structure of the intermediate box when viewed from the front, and Figs. 9 and 10 are explanatory drawings showing the internal structure of the intermediate box. FIG. 3 is an explanatory diagram of each example. 1,1A...Top plate, X,X1...Practice table, 2,2
A, 3, 3A... Side wall part, 4, 4A, 4B... Drive shaft, 5, 5A... Operating handle, 6... Driven shaft, 7, 8, 45... Gear, 9, 11, 23, 24
, 27, 28...bevel gear, 10, 25, 26
, 43... Vertical screw rod, 12, 12A, 13A...
Telescopic table, 14, 29, 30, 53...Natsuto, 2
0, 20A...middle box, 21, 21A...
Intermediate telescopic table, 44... Transmission gear, 19, 46,
47, 54... Bearing, 49, 50... Slide shaft, 51, 52... Connection arm.

Claims

[Scope of Claim for Utility Model Registration] 1. A top plate, left and right case-shaped side walls installed opposite to each other on the back side of the top plate, and rotation by the drive of a drive shaft mounted horizontally on the case-shaped side walls. A training table for teaching materials comprising left and right case-like extensible tables installed in the side wall portions that extend and contract via vertical screw rods. 2. A top plate, left and right case-like side walls placed opposite to each other on the back of the top plate, an intermediate box provided on the back of the top plate between these side walls, and a box that penetrates the middle box. A drive shaft mounted horizontally on the left and right side walls, left and right case-like telescoping stands built into the side walls that expand and contract via vertical screws rotated by the drive of the drive shaft, and the drive shaft as well. A training stand for teaching materials comprising a case-like intermediate extensible stand housed in the intermediate box which extends and retracts via a vertical screw which is rotated by the drive of the intermediate box.