JPH0396755U

JPH0396755U -

Info

Publication number: JPH0396755U
Application number: JP492390U
Authority: JP
Priority date: 1990-01-22
Filing date: 1990-01-22
Publication date: 1991-10-03
Anticipated expiration: 2004-08-24
Also published as: JPH0631969Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例に係る起伏装置を適
用したソフアーベツドの枠体構造を示す縦断側面
図、第２図は同ソフアーベツドのベツド形態にお
ける起伏装置の側面図、第３図は同じく第１ソフ
アー形態における同装置の側面図、第４図は同じ
く第２ソフアー形態における同装置の側面図、第
５図は同装置の平面図、第６図は本考案を適用す
る他のソフアーベツドを示す正面図、第７図は従
来のソフアーベツドの側面図である。１……床枠部、１ａ……本体枠、１ｂ……起伏
主枠、１ｃ……起伏副枠、３……第１ブラケツト
、４……第２ブラケツト、５……第３ブラケツト
、８……係止ピン、９……姿勢変換レバー、９ａ
〜９ｃ……係合部、１１ａ〜１１ｅ……係止ピン
、１２……コイルスプリング（ばね部材）、１３
……連結リンク。 FIG. 1 is a longitudinal side view showing the frame structure of a sofa bed to which a lifting device according to an embodiment of the present invention is applied, FIG. 2 is a side view of the lifting device in the bed form of the same sofa bed, and FIG. FIG. 4 is a side view of the device in a second sofa configuration, FIG. 5 is a plan view of the device, and FIG. 6 shows another sofa bed to which the present invention is applied. The front view and FIG. 7 are side views of a conventional sofa bed. DESCRIPTION OF SYMBOLS 1...Floor frame part, 1a...Main frame, 1b...Elevating main frame, 1c...Elevating sub frame, 3...First bracket, 4...Second bracket, 5...Third bracket, 8... ... Locking pin, 9 ... Posture change lever, 9a
~9c...Engaging portion, 11a-11e...Lock pin, 12...Coil spring (spring member), 13
...Connection link.

Claims

[Scope of utility model registration request]

The floor frame portion in the bed form is divided into a main body frame, an undulating main frame, and an undulating sub-frame located between these, and a first bracket equipped with a locking pin is fixed to one of the main body frame and the undulating main frame. and a second bracket is fixed to the other side, and a third bracket fixed to the undulating subframe is attached to one end side of the posture changing lever, which has a plurality of stages of engagement portions along the longitudinal direction that engage with the locking pin. brackets are pivotally connected at one end, and the third bracket is pivotally connected to the second bracket at the other end and to the first bracket at an intermediate portion higher than the first end; A connecting link having one end pivoted at a lower position than the third bracket connecting part of the first bracket and the other end pivoting at a higher position than the third bracket connecting part of the second bracket, and the above-mentioned attitude changing lever. 1. A raising and lowering device for a soft bed, comprising a spring member biased toward engagement with a locking pin.