JPS6385232U

JPS6385232U -

Info

Publication number: JPS6385232U
Application number: JP17956786U
Authority: JP
Priority date: 1986-11-21
Filing date: 1986-11-21
Publication date: 1988-06-03
Also published as: JPH0216750Y2

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の実施例に対応するも
ので、第１図ａは全体構成を示す説明的斜視図、
第１図ｂはａとは異なる動作に於ける要部拡大説
明的斜視図、第２図ａ，ｂ，ｃは本考案の動作を
示す説明的側面図、第３図ａ，ｂ，ｃ，ｄは係合
部材の動作を示す要部模式的側面図である。符号１……床部支持フレーム、２ａ，２ｂ……
回動杆、３ａ，３ｂ……回動腕、４……基部フレ
ーム、５……遊動支持腕、６……駆動腕、７ａ，
７ｂ……連動腕、８……伸縮駆動杆、９……連動
杆、１０……遊び、１１……係合部材、１２……
支持部材、１３……係合部、１４……係合凹部、
１５……係合杆、１６……ばね、１７……操作レ
バー、１８……下辺、１９……上辺、２０……ク
ランクハンドル、２１……支持腕。 1 to 3 correspond to an embodiment of the present invention, and FIG. 1a is an explanatory perspective view showing the overall configuration;
Fig. 1 b is an enlarged explanatory perspective view of the main part in a different operation from a, Fig. 2 a, b, c are explanatory side views showing the operation of the present invention, Fig. 3 a, b, c, d is a schematic side view of main parts showing the operation of the engaging member. Code 1... Floor support frame, 2a, 2b...
Rotating rod, 3a, 3b... Rotating arm, 4... Base frame, 5... Floating support arm, 6... Drive arm, 7a,
7b... Interlocking arm, 8... Telescopic drive rod, 9... Interlocking rod, 10... Play, 11... Engaging member, 12...
Support member, 13... Engaging portion, 14... Engaging recess,
15... Engagement rod, 16... Spring, 17... Operating lever, 18... Lower side, 19... Upper side, 20... Crank handle, 21... Support arm.

Claims

[Scope of Claim for Utility Model Registration] (1) Rotating rods are provided in the lateral direction of the floor supporting frame on the lower side corresponding to the head and foot sides of the floor supporting frame, and each of the rotating rods is With rotating arms protruding from both sides of the base frame, and with the rotating arms of each rotating rod protruding in the same direction, the rotating arm of one rotating rod can be freely rotated with respect to the base frame. At the same time, the rotating arm of the other rotating rod is rotatably fixed to a floating support arm that is rotatably fixed to the base frame, and the driving arm and the interlocking arm are attached to one of the rotating rods. At the same time, an interlocking arm is protruded from the other rotating rod, a telescopic driving rod is connected between the driving arm and the floor support frame, and an interlocking rod is connected between the interlocking arms, and the driving arm On the side of the rotating rod that does not protrude, attach the linking rod to the
A floor comprising a floor support frame provided with an engaging member that can be engaged and detached to provide play in the longitudinal direction and to engage in a proper position of the pivoting rod to prevent the pivoting rod from descending. Lifting and tilting mechanism for the support frame. (2) The engagement member is rotatably fixed to a support member provided on the floor support frame, and is provided protruding in the direction of the rotation rod to be engaged, and has a structure on the tip of the rotation rod. An engagement rod having an engagement recess that can be freely engaged and detached from the engagement portion, and a toggle that is rotatably fixed to the support portion and protrudes in a direction opposite to the engagement rod. A lifting and lowering tilting mechanism for a floor support frame according to claim 1, which is comprised of an operating lever connected to a spring for operation.