CN103402398B

CN103402398B - Furniture leveling apparatus

Info

Publication number: CN103402398B
Application number: CN201280010468.8A
Authority: CN
Inventors: 凯斯·吉尔德
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-18
Filing date: 2012-02-16
Publication date: 2015-09-16
Anticipated expiration: 2032-02-16
Also published as: EP2675322A4; BR112013021031A2; US20140001320A1; AU2012219281A1; CA2827667C; EP2675322A1; CN103402398A; CA2827667A1; CL2013002375A1; WO2012112996A1

Abstract

The invention provides a kind of for regulating the device of table leg effective length.This device comprises upper and lower element (10,12,14), its cooperation that can rotate relative to one another, and is separated by the bias voltage of spring assembly (20).Upper element (14) comprises the first slope (22) pointed to downwards, and it is separated by wall and the second ratchet slope (24) of coordinating with lower element (12).Upper element (10) comprises one or more ratchet for advancing in the passage between slope (22,24), and ratchet comprises when table leg is added when device is adjusted to the effective length of expectation for the structure with ratchet engagement.

Description

Furniture leveling apparatus

Technical field

The present invention relates to a kind of for regulating the device of many legs table, the especially effective length of the table leg of the table of four legs or more leg.But it is also applicable to other article of furniture of such as bed, chair and analog.

Background technology

The one or more table legs caused due to the out-of-flatness on floor lose the contact with floor, this can cause desk, especially at the restaurant in the desk tendency of rocking or swinging, this is troublesome and poverty-stricken source.Any trial being overcome this problem by mobile desk is all unsuccessful usually; folding spitball, wedge and analog are usually placed on below one of leg not contacting floor by a lot of diner; this method is sometimes effective; but usually can cause over time; paper and wedge are lost on floor, and same trouble occurs once more.

Cam mechanism was once suggested for addressing this problem, and it can activate along with pin, therefore raised or reduced table leg, but it will be made to lose perfect position due to the slight movement of desk or similar means.

Much utilize Retractive leg to be suggested to the trial overcoming this problem, such as Japan Patent 58206333, but they are very complicated, are difficult to successfully use, and are aesthetically difficult to pleasant.

In US6920834, each leg is telescopic, and inner tube has keyway and latch lock unit in the bottom of each pipe.Arrange by pressing the double pointed nail discharged, when length is correct, double pointed nail also snaps in hole by slip exterior tube.

In US6186453, the leveller of adjustable foot has the bolt of the end of upwards inserting leg.Bottom it, be formed with pin, with dish on pin, dish can rotate to promote or reduce bolt by pin, the regulating effect of generation device thereupon.

Importantly, this governor motion is locked on the position of expectation on one's own initiative.Also it is important, if when desk is moved, adjusting device can easy manipulation.But, known to the applicant, even setting the most complicated up to now, be also unsuccessful in the persistence regulated.

A kind of device is described in US729074, it has the upper and lower element connected for relatively rotating, and each element has rightabout slope, thus, rotation can make slope move towards each other, because upper and lower element is expanded and retraction accordingly, table leg is raised or reduces.Friction between slope is conducive to keeping certain durability, but it also could not provide durability provided by the present invention.The ease of handling that it does not provide the present invention to have yet and simple structure.

The improvement of invention afterwards there are provided hydraulic pressure between the element of upper and lower to be installed or pneumatic means.Thus, automatic adjustment is to a certain extent possible, but the easy change because being applied to the pressure on desk and deeply influenced of hydraulic pressure and pneumatic means.

Summary of the invention

A kind ofly comprise upper and lower element for regulating the device of the effective length of the leg of table leg or other article of furniture according to of the present invention, it can rotate relative to one another, and is separated by the bias voltage of spring assembly.Upper element matches with the first slope (or multiple slope), this slope point to down to form one or more wall, this wall and the second ratchet slope (or multiple slope) of matching with lower element spaced apart.Upper element comprises one or more ratchet for advancing in the passage between described slope.Ratchet comprises when table leg is added when device is adjusted to the effective length of expectation for the structure with ratchet engagement.

Ratchet can comprise for providing the first level and smooth or bending area between the first slope with minimized friction, and for the region of the band point with ratchet engagement.Ratchet can be positioned at inside upper element, and can be form with the die casting of upper element one.

In a preferred embodiment of the present invention, this device comprises intermediary element, and it comprises described first slope or multiple slope, and this Slope Facies is non-rotatable to lower element.

Preferably, each element is provided with two or more corresponding slopes.In a specific embodiment, as will be explained in more detail it, each element will be provided with the identical and slope be connected to of continuous print three below, if when tiling launches, it is zigzag structure.Being arranged so that of gap or guide passage allows ratchet to enter in series of passages at assembly process.

Accompanying drawing explanation

To be described in detail by referring to following accompanying drawing to embodiments of the invention, wherein:

Fig. 1 is the three-dimensional exploded view according to device of the present invention,

Fig. 2 is the angled top view of the device after sections fit,

Fig. 3 is the angled side view of Fig. 2,

Fig. 4 is the side view cutaway drawing of device, and

Fig. 5 is the simulation tiled view of the series of passages between slope.

Detailed description of the invention

The device of the present embodiment comprises upper element 10, lower element 12 and intermediary element 14.

The internal diameter of upper element is greater than intermediary element and lower element, and can rotate by embossing (knurl) 16.

Intermediary element has hollow endless belt 18, and it is for receiving the bottom being contained in the spring 20 in upper element as shown in Figure 4.A series of slope 22 is from intermediary element to downward-extension, and this respect can refer to Fig. 5.

Lower element also has the slope 24 of a series of band ratchet, and it is with reference to also shown in Figure 5.

Ratchet 25(only have in figure 3 one visible, have in the diagram two visible) extend through the opening 26 of intermediary element, thus in passage ratchet being located in be limited between the slope 22 of upper element and lower element 24.

The device assembled is fixed in the structure 28 matched with table leg by bolt element 30, these elements are linked together by the mode (not shown) of screw and nut or other connected modes.It should be noted that an only leg of four leg tables or other furniture needs to be conditioned.And should be noted, similar analogue means can be mixed to realize effect attractive in appearance for other three legs.

When operating when the desk shakiness caused due to floor out-of-flatness, the weight that desk is applied by structure 24 can make ratchet rising deviate from outside ratchet, and advance along the slope 22 of upper element, until during the contact floor, bottom of bottom, now ratchet will fall in corresponding ratchet.If run into floor have protruding irregular situation, ratchet will be deviate from from ratchet, and move to the Support Position of device along slope 22.Substitute as one or in addition additionally, also upper element can be rotated and be fixed on same position.

With reference to Fig. 5, wherein in order to the object described, slope tiling is launched.If rotation upper element, first the ratchet illustrated will move to 32 from position 30, and falls into the extreme lower position of next passage 34 from here.

Claims

1. for regulating the device of the effective length of the leg of table leg or other article of furniture, described device comprises upper element and lower element, its cooperation that can rotate relative to one another, and is separated by the bias voltage of spring assembly,

It is characterized in that,

Described device also comprises intermediary element, and described intermediary element comprises at least one first slope pointed to downwards, and described first slope is pointed to down to form one or more wall,

Described lower element has the second ratchet slope,

Described first slope is separated by described wall and described second ratchet slope, thus forms passage, and the relatively described lower element of described intermediary element is non-rotatable,

Described upper element comprises at least one ratchet for advancing in the described passage between described first slope and the second ratchet slope, and described ratchet comprises when table leg is added when device is adjusted to the effective length of expectation for the structure with ratchet engagement.

2. device according to claim 1, is characterized in that, described ratchet comprises for providing the first level and smooth or bending area between the first slope with minimized friction, and for the region of the band point with ratchet engagement.

3. device according to claim 1, is characterized in that, described ratchet is positioned at the inner side of described upper element.

4. device according to claim 2, is characterized in that, described ratchet is positioned at the inner side of described upper element.

5. device according to claim 3, is characterized in that, described ratchet and the die casting of described upper element one form.

6. device according to claim 4, is characterized in that, described ratchet and the die casting of described upper element one form.

7., according to the arbitrary described device in claim 1 to 6, it is characterized in that, described upper element comprises two ratchets.

8., according to the arbitrary described device in claim 1 to 6, it is characterized in that, the quantity on described first slope and the second ratchet slope is two or more.

9. device according to claim 8, is characterized in that, described first slope and the second ratchet slope are the identical and slope be connected to of continuous print three, if when tiling launches, it is zigzag structure.