JPH0318013U

JPH0318013U -

Info

Publication number: JPH0318013U
Application number: JP7996889U
Authority: JP
Priority date: 1989-07-05
Filing date: 1989-07-05
Publication date: 1991-02-22

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す正面図、第２図
は同上の移動用車輪部分を拡大して示した切欠正
面図、第３図は同上の一部切欠平面図、第４図は
移動用車輪の上昇時の状態を示した正面図、第５
図は第１図の操作軸部分の拡大平面図である。１……固定ハウジング、４……可動ハウジング
、６……移動用車輪、７……トグルジヨイント機
構、８，９……リンク、１０……結合ピン、１１
……リンク当接用部材、１２……操作軸、１４…
…レバー、１５……クランク機構（円盤）、１８
……連杆、１９……二股部材、２０……ロツド部
材、２１……連結具、Ａ……物品の下部構成部材
（台枠）。 Fig. 1 is a front view showing an embodiment of the present invention, Fig. 2 is an enlarged cutaway front view of the moving wheel portion of the same, Fig. 3 is a partially cutaway plan view of the same, and Fig. 4 is a partially cutaway plan view of the same. Front view showing the state when the transportation wheels are raised, No. 5
The figure is an enlarged plan view of the operating shaft portion of FIG. 1. DESCRIPTION OF SYMBOLS 1... Fixed housing, 4... Movable housing, 6... Moving wheels, 7... Toggle joint mechanism, 8, 9... Link, 10... Connection pin, 11
... Link contacting member, 12 ... Operation shaft, 14 ...
... Lever, 15 ... Crank mechanism (disk), 18
... Connecting rod, 19 ... Bifurcated member, 20 ... Rod member, 21 ... Connector, A ... Lower component member (underframe) of article.

Claims

[Scope of claim for utility model registration] A fixed housing disposed at the four lower corners of articles such as various devices, a movable housing fitted into each fixed housing so as to be movable up and down, and a movable housing fitted within each movable housing. A moving wheel and two links are connected at one end to each other by a pin, and the other end of one link is pivotally connected to the fixed housing and the other end of the other link is pivotally connected to the movable housing, and the two links are aligned in a straight line. When the movable housing is actuated so as to be moved downward, its moving wheels are projected below the bottom surface of the article, and conversely, both links are actuated so as to be bent about their connecting pins. When the movable housing is moved upward, the toggle joint mechanism is configured such that the moving wheels are stored above the bottom surface of the article, and both links of the toggle joint mechanism operate so that they become straight from the bent state. a link abutting member provided at the bottom of the article so that when both links are bent slightly to the opposite side after being bent, the links in the bent state come into contact with each other; and a fixed casing on both sides. an operating shaft mounted at the bottom of the article so as to be in the same direction as the axial direction of the connecting pins of both links of the toggle joint mechanism; a lever whose base end is inserted into the operating shaft; An article lifting and moving device comprising: a coupling pin of both links of the toggle joint mechanism; and a toggle joint mechanism operating link whose other end is connected to a crank mechanism provided on the operating shaft.