JPH0364989U

JPH0364989U -

Info

Publication number: JPH0364989U
Application number: JP12583389U
Authority: JP
Priority date: 1989-10-27
Filing date: 1989-10-27
Publication date: 1991-06-25

Description

[Brief explanation of the drawing]

第１図はこの考案の第１実施例における昇降装
置を示す縦断面図、第２図は同第２実施例におけ
る昇降装置を示す縦断面図、第３図及び第４図は
第２図の昇降装置の使用例を示す縦断面図、第５
図及び第６図は第２図の昇降装置の他の使用例を
示す正面図、第７図は第５図の架台の要部を示す
斜視図である。１……基幹シリンダ、１ａ……エアー供給口、
２……第１のストツパーロツド、３，３Ｙ……中
間シリンダ、３ａ，３ｂ，５ａ……通気孔、４…
…第２のストツパーロツド、４Ｙ……第３のスト
ツパーロツド、５……先端シリンダ、６，７，７
Ｙ……通気スキマ。 FIG. 1 is a vertical cross-sectional view showing the lifting device in the first embodiment of this invention, FIG. 2 is a vertical cross-sectional view showing the lifting device in the second embodiment, and FIGS. 3 and 4 are the same as in FIG. Vertical sectional view showing an example of use of the lifting device, No. 5
6 and 6 are front views showing other usage examples of the elevating device shown in FIG. 2, and FIG. 7 is a perspective view showing essential parts of the pedestal shown in FIG. 5. 1...Main cylinder, 1a...Air supply port,
2...First stopper rod, 3,3Y...Intermediate cylinder, 3a, 3b, 5a...Vent hole, 4...
...Second stopper rod, 4Y...Third stopper rod, 5...Tip cylinder, 6, 7, 7
Y...Ventilation gap.

Claims

[Claims for Utility Model Registration] (1) A bottomed cylindrical main cylinder having an air supply port for supplying air inside and having a first stopper protruding from the bottom; A bottomed cylindrical intermediate cylinder provided with air holes is assembled so as to be able to rise at the upper limit position until the upper end of the first stopper and the hole edge of the through hole provided at the bottom of the intermediate cylinder are engaged, and A second stopper is provided protruding from the bottom of the cylinder, and the intermediate cylinder has a bottomed cylindrical tip cylinder with a ventilation hole at the bottom, and at the upper limit position, the second stopper is connected to the upper end of the second stopper and the bottom of the tip cylinder. An elevating device characterized in that the elevating device is assembled so as to be able to rise freely until it engages with the edge of a provided through-hole, and that a ventilation gap is provided between the peripheral walls of a main cylinder, an intermediate cylinder, and a tip cylinder. (2) The lifting device according to claim (1), comprising a plurality of intermediate cylinders assembled between the main cylinder and the tip cylinder.