JPS6152099U

JPS6152099U -

Info

Publication number: JPS6152099U
Application number: JP13654384U
Authority: JP
Priority date: 1984-09-08
Filing date: 1984-09-08
Publication date: 1986-04-08
Also published as: JPH0240720Y2

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す要部断面側面図
、第２図は使用姿勢の全体側面図、第３図は同正
面図、第４図は同要部拡大図、第５図は第１図
−線断面図、第６図は折畳姿勢の全体側面図、
第７図は従来例を示す側面図、第８図は同折畳姿
勢の側面図である。１０……踏台、１１……前支柱、１２……後支
柱、１３……踏ざん、２１……リンク支柱、２７
……ガイド溝部、３２……連動操作アーム、３７
……摺動体。 Fig. 1 is a sectional side view of the main parts showing an embodiment of the present invention, Fig. 2 is an overall side view of the usage position, Fig. 3 is a front view of the same, Fig. 4 is an enlarged view of the main parts, and Fig. 5 is a side view of the main parts. Fig. 1 - Line sectional view, Fig. 6 is an overall side view in the folded position,
FIG. 7 is a side view showing a conventional example, and FIG. 8 is a side view of the same in the folded position. 10...Step stool, 11...Front support, 12...Rear support, 13...Stepper, 21...Link support, 27
...Guide groove section, 32 ...Interlocking operation arm, 37
...Sliding body.

Claims

[Scope of utility model registration request]

It is equipped with a pair of left and right front columns 1 on which a plurality of steps 13 are installed, and a pair of left and right rear columns 12 connected to the upper part of each front column 11, respectively, and the lower sides of the front columns 11 and rear columns 12 can expand and contract with each other. In the foldable step stool 10 that is freely operable, each rear column 12 is pivotally connected to the outer side of each front column 11 at the upper part so as to be in an overlapping folded position, and the front side of each front column 11 is In order to form a parallel link mechanism with the link struts 21, front struts 11, and each treadle 13 arranged in parallel, both rear sides of each treadle 13 are pivotally connected to each front strut 11, and each treadle is pivotally connected to each front strut 11. The middle portions of both sides of the treadle 13 are pivotally connected to each link support 21 , and each treadle 13 is in a usage position in which it protrudes forward at the lower contact position of the link support 21 with respect to the front support 11 . At the upper contact position, each treadle 13 is in a folded position stored between each front support 11 and ring support 21, and the rear support 12 is moved in conjunction with the usage and folded positions of each treadle 13. In order to perform scaling operations,
The front end of the interlocking operation arm 32 is pivotally connected to the link strut 21, and the intermediate portion is pivotally connected to the front strut 11, and a sliding body 37 provided at the rear end extends longitudinally on each side of the rear strut 12. A folding type step stool that is relatively slidably engaged with a guide groove 27 provided along the side.