JPS62189012A - Foltable metal jig especially for bed chair and safe chair - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates in particular to folding fittings for chaise longues and easy chairs.

The folding fitting according to the invention is used in cushioned furniture when changing from a sitting function to a relaxing position to a lying function and vice versa. This effect of action is achieved through the folding principle of the body structure.

<Prior art> The folding principle of mutual displacement between the sitting position and the lying position, which is realized by the pivotal connection of the three cushion parts (seat part, tip part, and back tension part), is internationally known and has been used in various ways. It is realized by the way the metal fittings are used.

The disadvantages of the known technology are that the hardware is expensive (often heavy and complex metal bases), that it has to be pushed away from the wall, and that in the case of wood it is necessary to lower the tip. They do not utilize significant weight absorption, so a strong force is required for displacement; the fittings must be covered with expensive cushions or covers; and many displacement methods do not utilize the ceiling or space around the bed box frame. , the position where you can relax when you move is the position you want to be in.

<Problems to be Solved by the Invention> The purpose of this invention is to develop a mechanism for sitting furniture that can be displaced in principle by folding. In other words, the furniture can be configured in an open manner so that the bottom of the decorative tension pan does not touch the floor, creating a relaxing position that allows access to the inside of the bed box frame when displaced from the sitting position.
The metal fittings offset the weight of the support part and the support tension part during displacement, and the metal fittings have the function of supporting the main body and maintaining the height of the cushion part when moving to the lying position, and move away from the vaginal wall when changing to the lying position. There is no need for the user to stand up to move the cushion to the lying or sitting position or to the relaxed position, and there is no need for additional gripping parts for folding or removing the cushion part, or for adjusting the shoulder body, etc. It is a mechanism that does not.

Means for Solving the Problems The present invention achieves the above-mentioned problems by means of a mechanism consisting of three groups of components working together, starting from a known construction. Together, these components form the body of the extender with a separately acting hinge pivot and a stop (attached to the body) from the point of rotation of the tip tension.

The rotational bearing point is fixed in such a way that during a rotation through 90 degrees, the tip tension part is guided upwardly away from the wall, but the cushion part does not have to be moved away from the wall. The extension tool is composed of two levers of different lengths, one tension spring, and a mounting piece provided at the rotational support point of the tip of the extension tool. These components act in such a way that, upon lowering of the tip and shank tensioners, the tensioner opens and the tension spring is tensioned accordingly. In this way, at the moment of the longest movement, the load of the descending part is absorbed by the cushion. This tension spring assists in displacement and force dissipation when acting in the opposite direction. The load is transferred onto the lower body during the lying function through the resting piece at the rotational bearing point of the tip of the extender, ensuring that each cushion portion is flattened.

The stop member made of iron plate ensures a relaxed position by stopping the rear roller, and in this position a passage e4 is secured from the side to the bed box frame. This fitting can be used both for easy chairs and for two-seater and three-seater sofas.

Embodiment In the sitting position, the upper frame 1 is on the lower frame or cover 2, and the front piece 3 of the seat frame is locked onto the lower frame 2, thus preventing accidental displacement.

The course of movement from the sitting position to the 2x position to the lying position is the advancement of the upper frame 1 having the seat 5 as a unit, the accompanying descent of the tip 6, and the tensioning of the support via the rotational support point 8t. This is due to the rotation of part 70. The cushion parts are interconnected by known hinges. With such a movement process, the rear roll of the upper frame 1 stops at the stop plate 40 in the first phase, so that it is in the relaxed position,
Safety is guaranteed when there is a side path to the housing 2.

The stop plate 4 is fastened to the normal plane at the front leg of the lower frame 2. An extension tool having a tension spring 10t is arranged as a metal fitting element between the tip part 6 and the canopy tension part 7.

This metal element must fulfill the following three functions.

That is, when the t-cushion portion descends, the tensioner 10 opens and at the same time the tension spring tensions. In this way, the load on the tip 6 and the rotational support point 8 that descend at the moment when the spring reaches its maximum elongation
The load of the tip tension section 7 which rotates 90 degrees above is offset.

2. When the spring of the tensioner 10 reverses direction during the displacement process, ie from the lying position to the sitting position, it assists in displacement and force consumption. 5. The extension tool 10 maintains a functionally necessary height balance in the lying position, and the rotating support point at the tip of the extension tool is placed on the lower frame 2 in the lying position.

[Brief explanation of drawings]

FIG. 1 is a side view in the sitting position, FIG. 2 is a side view in the relaxed position, and FIG. 3 is a side view in the lying position. Reference numeral 1 in the figure... Upper frame 2... Lower frame 3... Seat frame front piece 4... Stop plate 5... Seat part 6... Tip part 7... Tension part 8...・Rotation support point 9... Hinge 10... Extension tool with tension spring 11... Extension tool rotation support point

Claims (4)

[Claims] (1) Particularly in folding fittings for chaise longues and easy chairs, in the sitting position, the upper frame (1), which can roll forward, is placed on a rigid lower frame or box (2), and the front part of the seat arm is (3) is moored in the lower frame (2), and the rest part (6) is moored to the seat part (
5) and the tensioning part (7) mutually by means of a hinge (9), but the tensioning part (7) is almost by itself together with the lower frame or ceiling box (2) via the rotational bearing (8) in the lower part. It is characterized by being arranged so that it can rotate and rotate relative to each other.
Folding hardware. (2) In the sitting position, the extension device having a parallelogram-shaped tension spring (10) between the rest part (6) and the tension part (7) is rigid itself, but It is movably fixed, and the extension device is extended at an obtuse angle in the recumbent position.
Particularly a chaise longue according to claim 1, wherein the extender rotational bearing point (11) is located on the lower frame or on the housing and ensures the functionally necessary height balance of the lying surface. and folding hardware for easy chairs. (3) A patent claim in which, when the upper frame (1) is pulled forward, the rear roller is stopped at the stop plate (4), resulting in a relaxed state, and at the same time, a passage leading to the cover (2) is secured. The folding fitting according to range (1) or (2). (4) The tension spring of the extension device (10) completely absorbs the load at the moment of maximum transfer during the lowering of the leaning part (6) and tension part (7), and also consumes force during the reverse displacement. The folding fitting according to any one of claims (1) to (3), which serves as an aid or a displacement aid.