CN101172004A

CN101172004A - Casual control tilt lockout

Info

Publication number: CN101172004A
Application number: CNA200710159638XA
Authority: CN
Inventors: J·H·祖尔策
Original assignee: L&P Property Management Co
Current assignee: L&P Property Management Co
Priority date: 2006-10-13
Filing date: 2007-10-15
Publication date: 2008-05-07
Anticipated expiration: 2027-10-15
Also published as: TWI458455B; TW200840517A; KR101505409B1; KR20080033892A; CN101172004B

Abstract

An apparatus comprising a cantilever having a distal end and a proximate end, a frame portion coupled to the distal end, a base portion coupled to the proximate end, and a locking apparatus coupled to the frame portion, the base portion, or the cantilever, wherein the locking apparatus has a locked position and an unlocked position, and wherein the locking apparatus prevents the frame portion from tilting relative to the base portion when the locking apparatus is in the locked position.

Description

Casual control tilt lockout

Technical field

The locking device of relate generally to tilting chair of the present invention and constant tilt position, and relate in particular to the locking device that uses on a kind of cantilevered leaning device that is applied in usually on leisure (casual) chair and the relevant article of furniture.

Background technology

Chair can recede according to people's wish and make us expecting.Can comprise spring by using dissimilar mechanisms, axle and cylinder obtain this tilt function; Yet cantilever is that a kind of volume is little, the uncomplicated leaning device of structure.Cantilever is made by being applied to the common rigid material that can bend on it when load.One end of cantilever is attached to the top of chair, and the other end is attached to the bottom of chair, and when chair is empty or people when being sitting in above the chair, cantilever is enough hard so that the top of chair remains on the upright position.But therefore cantilever bending when the people leans to the back on top at chair allows the lower tilt of the top of chair with respect to chair.What lie fallow, see that cantilever can be applicable to the chair of any kind on the outdoor dining chair except the most continually.

Although it is desirable that chair can tilt, wish again that sometimes leaning device can be inoperative.For example, as people during at the table feeding edge, tilting chair may be just informal, distracting, and/or other is nonconforming.Like this, it is favourable that a tilt lock mechanism is arranged on chair, to such an extent as to that tilt function can be set to according to people's wish is effective or invalid.Therefore disclose a kind of reliable apparatus that is used for the leaning device on the cantilever leaning device that is used for locking, this device is used for preventing that the chair with cantilevered leaning device from receding.

Summary of the invention

On the one hand, the present invention includes a device, this device comprises the cantilever with a far-end and a near-end, one is connected to the frame part of this far-end, and one is connected to the base part of this near-end, and one is connected to frame part, the locking device of base part or cantilever, wherein this locking device has a latched position and a non-locked position, and wherein when locking device is in latched position, this locking device prevents that frame part from tilting with respect to base part.In latched position, but the far-end of this locking device supporting cantilever, and the restriction cantilever is bent downwardly.In one embodiment, locking device comprises a block (block), and this locking device not only contacts with cantilever but also contact with pedestal in latched position.

On the other hand, the present invention includes an article of furniture, this article of furniture comprises a base part, to such an extent as to being connected to this frame part of frame part of base part can tilt with respect to base part, and locking device with a latched position and a non-locked position, wherein when locking device is in latched position, this locking device is contained between (lodge) frame part and the base part, prevent that thus frame part from tilting with respect to base part, and wherein when locking device is in non-locked position frame part tilt with respect to base part.

The third aspect, the present invention includes a chair, this chair comprises a pedestal, to such an extent as to this tilter of tilter that is connected to this pedestal can be with respect to the rotation of this pedestal, a cantilever, this cantilever have a near-end and a far-end that is connected to tilter, one is connected to the framework of this far-end, this frame supported one seat, and one have latched position and non-locked position and be connected to tilter, the locking device of cantilever or framework.

Description of drawings

In order more fully to understand the present invention, and, be used as reference by accompanying drawing in order to obtain further details and advantage wherein, wherein:

Fig. 1 is the lateral elevational view of a chair, and this chair has an embodiment of the casual control tilt lockout that is in non-locked position.

Fig. 2 is the side view of a chair, and this chair has an embodiment of the casual control tilt lockout that is in latched position.

Fig. 3 is the top plan of an embodiment that is in the casual control tilt lockout of non-locked position.

Fig. 4 is the side view of an embodiment that is in the casual control tilt lockout of non-locked position.

Fig. 5 is the top overlooking surface front view of an embodiment that is in the casual control tilt lockout of latched position.

Fig. 6 is the lateral elevational view of an embodiment that is in the casual control tilt lockout of latched position.

Fig. 7 is the back upper place perspective view of an embodiment that is in the casual control tilt lockout of non-locked position.

Fig. 8 is the side upper perspective figure of an embodiment that is in the casual control tilt lockout of non-locked position.

Fig. 9 is the back upper place perspective view of an embodiment that is in the casual control tilt lockout of latched position.

Figure 10 is the top angle perspective view of an embodiment that is in the casual control tilt lockout of latched position.

Figure 11 is the top plan of an embodiment of the locking device on the casual control tilt lockout.

Figure 12 is side and the partial sectional view along Figure 11 center line 12-12 of an embodiment of the locking device on the casual control tilt lockout.

Figure 13 is the top plan of an embodiment of the support on the casual control tilt lockout.

Figure 14 is the cutaway view along Figure 13 center line 14-14 of an embodiment of the support on the casual control tilt lockout.

Figure 15 is the cutaway view along Figure 13 center line 15-15 of an embodiment of the support on the casual control tilt lockout.

Figure 16 is the top plan of another alternative embodiment that is in the casual control tilt lockout of non-locked position.

Figure 17 is the lateral elevational view of another alternative embodiment that is in the casual control tilt lockout of non-locked position.

Figure 18 is the top plan of another alternative embodiment that is in the casual control tilt lockout of latched position.

Figure 19 is the lateral elevational view of another alternative embodiment that is in the casual control tilt lockout of latched position.

Figure 20 is the top plan of another alternative embodiment of the locking device on the casual control tilt lockout.

Figure 21 is the cutaway view along Figure 20 center line 21-21 of another alternative embodiment of the locking device on the casual control tilt lockout.

Figure 22 is the rear elevation view of another alternative embodiment of the locking device on the casual control tilt lockout.

The specific embodiment

As shown in Fig. 1-6, comprise that the chair 100 of casual control tilt lockout (Casual ControlTilt Lockout) generally comprises four parts: a frame part 110, one base parts 120, one or more cantilevers 130, and a locking device 140.In Fig. 1, frame part 110 is made up of seat 112 and framework 114.Seat 112 usually is lined with mat, and for the people who is seated in the chair 100 provides support, but this is optional.Framework 114 provides structural support for seat 112, and seat 112 is connected with one or more cantilevers 130.These one or more cantilevers 130 allow frame part 110 to recede with respect to base part 120.

In Fig. 1, base part 120 is made up of pedestal 122 and tilter 124.Pedestal 122 be supported on chair 100 on the floor and the bottom of pedestal also wideer than the wideest part of chair 100 usually.This disposing helps prevent that chair 100 from being toppled over by the people who sits on the chair 100, therefore improved the stability of chair 100.In Fig. 1, tilter 124 comprises axle 125, tilter main body 126, and head 127.Axle 125 is normally from the tilter main body 126 downward cylinders that extend and shown in broken lines among Fig. 1 and 2.In Fig. 1, axle 125 is inserted in the hole on pedestal 122 tops and can rotates in pedestal 122, and tilter 124 like this, cantilever 130, and frame part 110 can be spent with 360 with respect to pedestal 122 and rotated.In Fig. 1, tilter main body 126 not only flatly but also vertically to the direction extension away from axle 125.Like this, in Fig. 1, tilter main body 126 provides an angled or oblique support, rises and extends to the direction away from (forward) pedestal 122.The level of this tilter main body 126 and vertical orientations allow framework 114 to be placed on the tilter main body 126, have the space that is suitable for putting into block 148 between framework 114 and tilter main body 126.More detailed below this feature of argumentation.Head 127 is connected tilter 124 with at least one cantilever 130 in Fig. 1.Suppose that chair 100 is equipped with a plurality of cantilevers 130, head 127 can extend to produce enough spacings (being that locking device 140 provides the space) between a plurality of cantilevers 130, as shown in Figure 3 away from tilter main body 126 outside (side direction) in horizontal plane.Two examples of tilter 124 were applied on February 11st, 1999, Suhl pool (Sul zer) number be D422,814 be entitled as the United States Patent (USP) of " leisure chair control (Casual Chair Control) " and application on July 1st, 2004, Suhl pool (Sulzer) number be D520,780, be entitled as the United States Patent (USP) of " leisure tilter (Casual Tilter) ", above-mentioned both are incorporated herein by reference fully at this.

These one or more cantilevers 130 are the members that allow frame part 110 to tilt with respect to base part 120.Those of ordinary skills will recognize that frame part 110 can be with respect to horizontal line with arbitrarily angled inclination.In specific embodiment, the inclination angle can be 5,10,15,20,25,30,35,40,45,50,55,60 degree or other any angles.Though can use the cantilever 130 of arbitrary number in the chair 100, at Fig. 1, chair 100 disposes two cantilevers 130 in 3 and 5.In Fig. 1, by bolt, welding, or alternate manner is connected to tilter 124 with the near-end 132 of cantilever 130, and the far-end 134 of cantilever 130 is connected to framework 114.For example, these connections normally are rigidly connected, and far-end 134 moves both vertically as an integral body with framework 114 like this.In Fig. 1, cantilever 130 is flat material exercisable bending under the effect of weight of polylith rectangle normally, tilts with respect to base part 120 to allow frame part 110.By with framework 114 attached to the far-end 134 of cantilever 130 (away from the joint portion of the head 127 of cantilever 130 and tilter 124), the chair designs that (for example recedes in chair by the people who is seated) when enough weight is applied to frame part 110 is recede (rearward, to recline location).By with reference to the cantilever among the figure 1 130, near-end generally is meant the end 132 towards the chair front direction, far-end generally be meant towards the end 134 of chair posterior direction (although those of ordinary skills will recognize the concrete orientation of these terms can be arbitrarily and these terms can be used to describe any two end opposite of an assembly).Although multiple material is fit to make cantilever, preferred material is a metal concerning Fig. 1, especially, and aluminium, iron, or steel.Those of ordinary skills can select the material of the necessary specific class of tilt quantity that obtains to expect and the thickness of material, this selection includes but not limited to be sitting in the weight of the people in the chair 100 based on multiple factor, the weight of frame part 110, the tilt quantity of expection, the length of cantilever 130, and the design of chair.And, though the front of the chair of mentioning usually here 100 is as near-end, and the back side of the chair of mentioning usually 100 is as far-end, can be arbitrarily and can be used to describe any two end opposite of an assembly of chair 100 but those of ordinary skills will recognize the concrete orientation of term near-end and far-end.

Locking device 140 among Fig. 1 comprises one or more supports 150, main body 142, arm 144, handle 146, and block 148.Support 150 among Fig. 1 is clamped or is fastened on the tilter 124 and is slidingly attached on the locking device main body 142 by alternate manner, like this main body 142 can with respect to tilter 124 forward (to proximal direction) and backward (to distal direction) slide.Support 150 among Fig. 1 ensures main bodys 142 in position usually, but the frictional resistance that also selectively provides enough for moving of main body 142 is to prevent locking device 140 be not intended to slide out its latched position.Block 148 among Fig. 1 is connected to the far-end of main body 142 and (is supporting the far-end 134 of cantilever 130 because of block 148 when locking device 140 is positioned at latched position, the restriction cantilever is bent downwardly), block 148 is commonly used to stop frame part 110 to tilt with respect to base part 120.In Fig. 1, block 148 is one highly to approximate the supporting section in the gap between tilter main body 126 and the unbent cantilever 130.Like this, (block 148 is at proximal location when the locking device among Fig. 1 140 is in latched position, between wedging cantilever 130 and the tilter main body 126), the approximate usually far-end 134 that is a straight line and is supporting cantilever 130 fully of block 148 and framework 114 and axle 125, limiting being bent downwardly of cantilever 130, this bending can allow frame part 110 to recede with respect to the base part 120 of chair.In Fig. 1, arm 144 is connected to the near-end of main body 142 and extends under seat 112.Preferably, arm 144 the place ahead of 112 extends from the seat, but those of ordinary skills will recognize that chair 100 can be configured so that extend at a side or the back side of arm 144 from the side at seat 112.Do not consider its position, the arm 144 among Fig. 1 can at random be equipped with suitable handle 146 so that the user operates locking device 140 more easily between latched position and non-locked position.Although do not illustrate in Fig. 1 and 2, block 148 also can be configured on its top and/or lower surface has at least one pad 149.This pad 149 is usually by making than tilter 124 and/or the framework 114 used softer materials of material, and just anti-like this stop block 148 scratches or wearing and tearing tilter 124 and/or framework 114.Randomly, this pad also can be made by the material that possesses higher coefficient of friction, to help guaranteeing that block is in its latched position.In one embodiment, pad 149 is polymer materials, polypropylene for example, polyester, or polyurethane.

Fig. 1, the different views that 3,4,7 and 8 show locking device 140 when being in non-locked position.At non-locked position, handle 146 is positioned at tilter 124 relative approaching positions and can be hidden under the seat 112.In addition, when being in non-locked position, block 148 is positioned at the position away from framework 114 and tilter 124 vicinities, and block 148 just can not stop the banking motion of frame part 110 like this.In other words, do not contact at non-locked position block 148, so the range of movement of cantilever 130 (being bent downwardly) does not limit by block 148 with in cantilever 130 or the tilter main body 126 at least one.Like this, when locking device 140 is in non-locked position, be sitting in that people in the chair 100 can recede or otherwise will be backward or downward pressure be applied to the back at seat 112, to hinder at locking device 140 under the situation that frame part 110 tilts frame part 110 is tilted with respect to base part 120.

When the people in being seated in Fig. 1 chair 100 wanted to stop chair 100 to tilt, this people made locking device 140 be transformed into latched position from non-locked position by operating locking device 140 forward.More specifically, the people is (to proximal direction) pull handle 146 forward, and this also makes arm 144 move forward.The main body 142 that the moving forward of arm 144 makes locking device by support 150 to front slide and make block 148 be drawn to position between framework 114 and the tilter 124.In other words, the block among Fig. 1 148 contacts with cantilever 130 and tilter main body 126 so has just limited the range of movement (stop far-end 134 reclinate abilities) of cantilever 130.Usually, during this operating process, be sitting in that people in the chair 100 should not recede or otherwise will be backward or downward pressure be applied to the back at seat 112.In some cases, the people in being sitting in chair 100, turn forward for locking device 140 or otherwise will be forward or the power that the makes progress back that is applied to seat 112 may be more necessary, locking device 140 is operated fully at non-locked position.

Fig. 2, the different views that 5,6,9 and 10 show locking device 140 when being in latched position.In latched position, handle 146 is positioned at tilter 124 relative positions far away and can stretches out under seat 100 (as shown in Figure 6) usually.In addition, the block 148 among Fig. 2 between framework 114 and tilter 124, like this block 148 by with respect to base part vertically the far-end 134 of cantilever mounted limit the bending of cantilever 130, to such an extent as to far-end 134 can not be bent downwardly.Like this in latched position, locking device 140 has limited frame part 110 and has tilted (backward) with respect to base part 120, though the people when being sitting in chair 100 in may recede or otherwise the general backward or downward pressure also be like this when being applied to the back at seat 112.

When the people in being sitting in chair 100 wanted to tilt chair 100, this people made locking device 140 be transformed into non-locked position from latched position by the rear in Fig. 1 operation locking device 140.More specifically, the people promotes handle 146 backward, and this also makes arm 144 move backward.The moving backward of arm 144 makes main body 142 slide backward by support 150 and block 148 to be released and away from framework 114 and tilter 124.Usually, during the aforesaid operations process, be sitting in that people in the chair 100 should not recede or otherwise will be backward or downward pressure be applied to the back at seat 112.In some cases, the people in being sitting in chair 100, turn forward for locking device 140 or otherwise will be forward or the power that the makes progress back that is applied to seat 112 may be more necessary, move to non-locked position to begin to operate locking device 140.

Figure 11-15 illustrates in greater detail locking device 140.Figure 11 and 12 shows the block 148 on the locking device 140, main body 142, arm 144, and handle 146.Block 148 is positioned at the rear side of main body 142 and can comprises that a hole (not shown) is inserted into block 148 to allow pad 149 (shown in Fig. 3-6).Main body 142 can be an angle with horizontal line, and main body 142 is basically parallel to the surface of tilter 124 when locking device 140 is installed to base part 120 like this.Thereby a kind of like this configuration is by having improved the reduced profile of locking device 140 aesthetic appearance of chair 100 to minimum.In addition, arm 144 can basic horizontal, can avoid arm 144 to contact with seat 112 during motion arm 144 between latched position and non-locked position as the people like this.Handle 146 is attached to the terminal of arm 144 and can upwards be an angle to improve the operability of ergonomics and/or locking device 140.If want, the indication of dingbat or operation locking device 140 can be imprinted on or be placed on by alternate manner the front surface of handle 146.Optionally, handle can be coupled with liner to improve ergonomics.

Figure 13-15 shows the support 150 on the locking device 140.Support 150 among the above-mentioned figure is connected and comprises a plurality of intermediate plates 152 with the remainder of locking device 140 with tilter 124, a following guide 154 and a upper guide device 156.Intermediate plate 152 be configured to be wrapped in tilter 124 the side and below, therefore, support 150 is fixed on the tilter 124.Those of ordinary skills will recognize that support 150 unnecessarily must clip on the tilter 124.Certainly,, connect as screw by using any suitable method of attachment, bolt, welding, and/or bonding, support 150 can be connected to frame part 110, base part 120, cantilever 130, or above-mentioned three's bound fraction.Following guide 154 is configured to meet the upper surface of tilter 124 and is positioned under the main body 142, so it is as the lower support of main body 142.In one embodiment, main body 142 slips over down at least a portion of guide 154 upper surfaces.Last guiding 156 guides as main body 142 upper surfaces, main body 142 is positioned under at least a portion of guide 156 like this.In one embodiment, at least a portion of the lower surface by slipping over guide 156, main body 142 slides through support 150.If want, support 150 can be configured to have additional following guide 154 or go up guide 156.Like this, the support 150 among these figure can make main body 142 slide into non-locked position from latched position as fixing and locking device 140 vertically and flatly in position simultaneously.

Figure 16-22 shows casual control tilt lockout, and another can select embodiment.The selectivity embodiment of this locking device 140 is similar with the previous embodiment of locking device 140, comprises the finger piece 160 of a plurality of replacement supports 150 except the selectivity embodiment of locking device 140.As can be seen from Figure 22, finger piece 160 both sides that are positioned at main body 142 also are positioned at the end face and the bottom surface of main body 142.If want, locking device 140 can be configured to have the more a plurality of finger pieces 160 than shown in Figure 16-22.When locking device 140 is installed on the chair 100, finger piece 160 each above the cantilever 130 and below extension and remain in locking device 140 between the cantilever 130.Finger piece 160 also allows locking device 140 to slide forward and backward along cantilever 130.Head 127 that can be by tilter 124 forward direction restriction locking device 140 along cantilever 130 move and can be by framework 114 backward direction restriction locking device 140 moving along cantilever 130.Preferably, the selectivity embodiment of configuration locking device 140, to such an extent as to locking device 140 is in latched position when finger piece 160 contacts with head 127, and locking device 140 is in non-locked position when finger piece 160 contacts with framework 114.But, those of ordinary skills will recognize the selectivity embodiment of locking device 140 can be configured to as for locking device 140 when finger piece 160 contacts with head 127 be in non-locked position and when finger piece 160 contacts with framework 114 locking device 140 be in latched position.

Shown here and the different parts of discussing can be made and can be by any acceptable method production by the material of any kind.For example, above-mentioned different parts can be by timber, metal, and plastics, other material, or the combination of associated materials is made.These parts can be by rolling, and casting is forged, compacting, and any other manufacture method, or the combination of correlation technique is made.In one embodiment, these parts be aluminium and make by die casting.(Fulton) U.S. Patent number of people such as Fulton is 7772821, be entitled as " die casting manufacturing system " patent disclosure a kind of method of die casting aluminium parts, be incorporated herein by reference fully at this.Although and provide an independent latched position forward at the locking device that this describes prevailingly, the invention is not restricted to this.Certainly, locking device can provide a latched position (a given latched position prevents from further to recede) in different gradients, and perhaps locking device can allow a plurality of latched positions.By not getting rid of the method for other example, block can be the extension supporter of an angled wedge or a series of differing heights, so rely on the position (height of back-up block contacts with cantilever like this) of arm, chair can be locked in a plurality of positions.

Although this illustrate and described a plurality of preferred embodiments among the present invention, those of ordinary skills are not breaking away under spirit of the present invention and the religious doctrine and can make change about the present invention.Embodiment described here is exemplary and does not mean that limitation of the present invention.A lot of distortion of invention disclosed herein, combination and change are possible and all within the scope of the present invention.Therefore, protection scope of the present invention is not subjected to above-described restriction, and is defined by following claim, and this scope comprises all equivalents of claim theme.

Claims

1. device, it comprises:

Cantilever with far-end and near-end;

Be connected to the frame part of described far-end;

Be connected to the base part of described near-end; And

Be connected to the locking device of frame part, base part or cantilever;

Wherein said locking device has latched position and non-locked position; And

Wherein when locking device was in latched position, described locking device limited described frame part and tilts with respect to described base part.

2. device as claimed in claim 1, wherein in latched position, described locking device is supporting the far-end of described cantilever.

3. device as claimed in claim 1, wherein said cantilever is flexible, so that described frame part tilts with respect to described base part.

4. device as claimed in claim 3, wherein in latched position, described locking device limits described cantilever and is bent downwardly.

5. device as claimed in claim 1, wherein said locking device comprises:

Main body with near-end and far-end;

Be connected to the arm of described near-end; And

Be connected to the block of described far-end.

6. device as claimed in claim 5, wherein said block contacts with described cantilever and base part.

7. device as claimed in claim 5, wherein said locking device further comprises:

Described main body is installed in support on described frame part, described cantilever or the described base part;

Wherein said main body be operability to slip over described support.

8. device as claimed in claim 5, wherein said locking device further comprises: along a plurality of finger pieces of cantilever slip.

9. device as claimed in claim 1, wherein said base part comprises: article of furniture is supported on pedestal on the floor; And the tilter that is connected to described pedestal, so that described tilter rotates with respect to described pedestal.

10. article of furniture, it comprises:

Base part;

Be connected to the frame part of described base part so that described frame part be operability to tilt with respect to described base part; And

Locking device with latched position and non-locked position;

Wherein when described locking device is in latched position, described locking device between described frame part and described base part, thereby prevent that described frame part from tilting with respect to described base part; And

Wherein when described locking device is in non-locked position, described frame part be operability to tilt with respect to described base part.

11. article of furniture as claimed in claim 10 also further comprises: cantilever, this cantilever have near-end that is connected to base part and the far-end that is connected to frame part.

12. article of furniture as claimed in claim 10, wherein said locking device comprises: along a plurality of finger pieces of described cantilever slip.

13. article of furniture as claimed in claim 10, wherein said locking device comprises:

Main body with near-end and far-end;

Be connected to the arm of described near-end; And

Be connected to the block of described far-end.

14. article of furniture as claimed in claim 13, wherein said locking device further comprises:

Described main body is installed in support on described frame part or the described base part;

Wherein said main body be operability to slide with respect to described support.

15. a chair, it comprises:

Pedestal;

Be connected to the tilter of described pedestal, so that described tilter rotates with respect to pedestal;

Cantilever, this cantilever have near-end and the far-end that is connected to tilter;

Be connected to the framework of described far-end, this frame supported the seat; And

Have latched position and non-locked position and be connected to the locking device of described tilter, described cantilever or described framework.

16. chair as claimed in claim 15:

Wherein said seat be operability with respect to basement tilt;

Wherein when described locking device was in latched position, described locking device prevented that the seat is with respect to basement tilt; And

Wherein when described locking device was in non-locked position, described seat freely tilted with respect to pedestal.

17. chair as claimed in claim 15, wherein said cantilever are flexible and allow described seat with respect to basement tilt.

18. chair as claimed in claim 15, wherein said locking device comprises:

Main body with near-end and far-end;

Be connected to the arm of described near-end; And

Be connected to the block of described far-end.

19. chair as claimed in claim 18, wherein said locking device further comprises

Described main body is installed in support on described frame part, described cantilever or the described base part; Wherein said main body be operability to slip over described support.

20. chair as claimed in claim 18, wherein said locking device further comprises: along a plurality of finger pieces of described cantilever slip.