JPS6319700U

JPS6319700U -

Info

Publication number: JPS6319700U
Application number: JP11138386U
Authority: JP
Priority date: 1986-07-22
Filing date: 1986-07-22
Publication date: 1988-02-09

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示し、第１図は一部の
縦断面図、第２図は折畳状態の縦断面図、第３図
は展開使用状態の側面図、第４図はその正面図で
ある。１_１，１_１…支杆、２，２_１…枢着点、３…横
杆、４…ステツプ、５…取付金具、６…把手部、
７…上蓋、８…下蓋、９…リンク、１０…ハツチ
、１１…係支片、１２…ハンドル部、１３…取付
舌片、１４，１５…蓋ヒンジ部。 The drawings show an embodiment of the present invention, in which Fig. 1 is a partial vertical sectional view, Fig. 2 is a vertical sectional view in a folded state, Fig. 3 is a side view in an unfolded state of use, and Fig. 4 is a front view thereof. It is a diagram. 1 ₁ , 1 ₁ ... support rod, 2, 2 ₁ ... pivot point, 3 ... side rod, 4 ... step, 5 ... mounting bracket, 6 ... handle part,
7... Upper lid, 8... Lower lid, 9... Link, 10... Hatch, 11... Engagement piece, 12... Handle part, 13... Mounting tongue piece, 14, 15... Lid hinge part.

Claims

[Claims for Utility Model Registration] (1) A pair of support rods 1, 1 are assembled in a cross shape at the central pivot point 2, and the corresponding end pivot points of each support rod 1, 1 are connected to the horizontal rod 3.
In the folding ladder, in which the support rods are pivotally connected with the step 4 and extended and extended in a pantograph manner, and the support rods are attached to the mounting bracket 5, each of the support rods 1, 1 at the upper end of the ladder
An evacuation ladder device characterized in that a handle portion 6 is provided through extendable support rods 1 ₁ , 1 ₁ . (2) The handle portion 6 has a pair of support rods 1 ₁ , 1 ₁ assembled in a cross shape at the central pivot point 2 ₁ , and each support rod 1 1 , _{1 1} .
1 Consists of a horizontal rod attached and connected to the corresponding pivot part of ₁ ,
A ladder device according to claim 1, which has a pantograph-type extendable structure. (3) The handle portion 6 is composed of a plurality of horizontal rods provided at intervals, and includes a plurality of consecutive pairs of support rods 1 ₁ , 1 ₁ that extend and contract vertically _.
_1. The ladder device according to claim 2 of the utility model registration claim, which is mounted on a ladder device. (4) Utility model registration claim 2, wherein the mounting bracket 5 is installed in a hatch 10 connected by a link 9 so that the upper cover 7 and lower cover 8 in the opening can be opened and closed simultaneously. Ladder device according to paragraph 3 or paragraph 3. (5) The handle part 6 is housed in a hatch 10 having an upper lid 7 and a lower lid 8 that can be opened and closed, and has an interlocking mechanism that is extended to the extended position by opening the upper and lower lids 7 and 8. A ladder device according to any one of claims 2 to 4 of the utility model registration claims. (6) The handle portion 6 is housed in a hatch 10 with a top lid 7 that can be opened and closed, and is detachably supported by a locking piece 11 provided on the top lid 7. A ladder device according to any one of claims 2 to 5 of a certain utility model registration claim.