TWM254959U - Waist-standing device of a chair - Google Patents

Description

M254959 IV. Creation Instructions (1) < Technical Field of New Type > ^ This creation is about the improvement of the structure of a seat waist lifter, but it also touches π by the waist lifter, bracket, slide rail and grip. Structure, first ^ state Xinhe bracket groove fixing rod, and make the grip spring clips on the ': two meat grooves, and then the fixed washers at the two ends of the lumbar piece are fitted with the fitting part and added ^ The rod will penetrate the arc-shaped slot in the groove, and the fixing pad is fixed, and the bracket is fitted with two sliding hooks to fit the two ends of the slide rail. == The force fixing lever is inserted into the slide rail guide groove, and Supported by the two sides of the two sides to make the support wood structure makes the waist lifter not only has a high-end waist-adjusting waist-adjusting piece], the curvature of such a piece can help meet the needs of users. 'More adjustments to adjust the waist < previous technology > The various types of chairs currently developed on the market are suitable for consumers. 1 will preset the seat in the production process; smart use place and: Yuan Zuo is ergonomic The mechanism is set so that the second seat and other seats can pay the desired comfort effect, but this structure can be adjusted after the purchase of the soil side. Adjust the seat backrest adjustment device. For this reason, No. 5 7 3 5 00 "Seat Backrest: Fishing Bureau Approval Announcement f" 20997l) This seat backrest adjustment = "(application number The backrest support 塾 from f 塾 and the copper support f 丄 on the backrest include connected backrest units and are interposed between the backrest units; the second is a preset wide backrest; its characteristics are that ... ：：：： Two adjusted pits, and a plurality of lumbar back side layers arranged in the same p ^ line are arranged between the pits.-The buckle section can: Π 条 ΐ 'to allow corresponding embedding Supported by

Page 6 M254959 Old and creative instructions (2) Between the pockets, according to this, when the platform is adjusted by the backrest, κ needs to be moved up and down from the backrest by the waist of the backrest, so that Follow the connection = the back side moves the waistrest forward and fixed and cannot be adjusted, and the user does; however, the degree of loneliness of the waistrest is different, which will cause the user to feel uncomfortable5. In view of this, the creator ’s degree of waist-back solitary degree is also based on this. The creator 7¾k ττττ ^ The height of the waist-back i can be adjusted, and the development of the waist-back ^ nine is not only adjustable. " The arc of the waist, in order to effectively improve learning

The main purpose of this creation is to provide a seat waist: Liang 'This waist lifter consists of a waist lifter and a support structure: 5 Fit the handle with a fixing groove of the bracket groove through the groove, and make the handle = = ；；; The driving rod of the Γ ring will penetrate the groove 22; the two-solid 'Fuling bracket is fitted with two sliding hooks and the sliding end is clamped: it is inserted into the slide guide with the f ΐ wooden positioning rod The groove is inside, and it is concave on both sides. It is more capable; 敕 L structure makes the waist lifter not only have the height of the waist lifter.

The dagger of the moon dagger is straight to meet the needs of users.丨 <Embodiments> 々 丨, the next hereinafter are examples of the details and technical means of this creation, and are explained in detail below with reference to the drawings. The eight bodies are shown in the first picture. The seat 100 is composed of… 1 and a fixed seat 12, and the backrest 11 ± is provided with two

M254959 Fourth, the creation instructions (3) 3, especially in 〇1, the straight waist 4 0 and the grip 5 straight waist piece 2 is provided with a fixed pad portion 2 3, and a screw hole 2 5 bracket 3 0 and uo slot 3 1 inner slot 3 5 ′, and the rain stop slide hook rail 4 0 has a ^ broadcast stop 4 hole 4 3, and is further provided with a plurality of grips 501 on the rain side is provided with two 4, The two opposite springs 5 5 in the center sum up the 30 groove 3 1 bit groove 3 5, the part 2 3 fitted with the supporting rod 2 4 will penetrate the mesh 1 3 and the device 1 0 1 0 constitutes 0, and its rain The circle 2 2 is provided with 0 in the center, and the two ends are provided with a space between the rear and the center 36. The two ends of the ring 2 are provided in each recessed hole 4 with screw holes 4 5. The fixed member, the fixing rod, and then the groove 3 of the waist frame 3 0, a waist device 1 is provided on the rear fixing seat 1 2 is composed of a waist piece 20, a bracket 3, a slide (such as the second, (Shown in the three figures), of which a through hole 2 1 is provided at the end, and the fixing washer 2 2 is provided with a driving rod 2 4 fitted in the rear end of the fixing hole 2 1, and the driving rod 2 4 has a rain side Both are provided with opposite rods 3 3. The arc-shaped square is provided with two opposite grooves 3 1, 3 2, Through slot 3 4 and a plurality of non-slip hooks 3 6 and 7. 'The top of track 4 is provided with a plurality of recesses 3 arranged vertically on one side, and a guide groove 4 4 is provided on the other side, and the other side is provided with two grooves 5 and a grip flange is provided on 3 sides. There will be a positioning rod 3 with a track 4 1 fixed to the solid through groove 5 a fixed seat 1 2 and a through groove with a notch at one end and a grip piece 2 0 an arc 3 in the groove 3 5 through the handle 5 0 and Hold 2 of the two ends, and shape the through slot to cut the elastic sheet out of the notch. Use the through slot 51 to fit the bracket to lock the elastic sheet 5 5 to the fixed washer 2 2 to fit the fixed washer 2 2 to the transmission 3 4 and the grip 5 0 Within 4

Page 8 M254959 Fourth, the creation description (4) of the through slot 5 2 is connected, 5 and the handle 50 through slot 3 6 fit slide rail 4 0 3 7 into the slide handle 4 0 (as shown in the fourth picture) (Shown) Continued Please refer to the fifth lumbar device 101 or pull it upwards, and then guide the position of the slot 4 4, and the bracket 30 on both sides 4 1 to make the bracket 3 again, as in the sixth, you must adjust the The waist piece 2 0.50, because of the grip 50 rod 24, when the grip groove 3 1 is turned inwardly or retracted in an arc shape, the groove 3 5 can be matched with the grip waist piece 20 to have different conclusions. As mentioned, the frame 30, the slide rail 40, the two anti-slip hooks 3, the channel 4 1 and the guide groove 4, and by rotating the handle 5 and the bolt 60 through the screw hole 2 5 of the transmission rod 2 4 Bolt the 'reaming bracket 3' with two stoppers at both ends of the rail ^ rail 41; and make the bracket 30 guide the positioning lever ^ 4 4 inside 'and be clamped by the recessed holes 4 3 on both sides to form Straight waist device 1 〇1. Shown in the figure is an example of this creation. ♦ ㊉ When the waist is at the 20 position, you only need to move the bracket = ^ ς Move the bracket 3 0 the positioning rod 3 7 on the slide rail 4 and be guided by the concave holes 4 3 on both sides. Positioning effect can be achieved by anti-sliding. 3 anti-slip hooks 6 6 are clamped on the slide rail 4 Q at both ends of the rail 0 are easy to move and do not shake left and right. The figure 7 shows another example of the creation. If the arc is, the slot 5 in the grip at both ends of the rotating bracket 3 2 screwed fixing washer 2 2 will make the drive handle 50 The driving rod 24 moves in the bracket 3 through the slot 34, which in turn drives the lumbar piece 20 to the groove 30 of the bracket 30. A plurality of positioning flanges 5 5 of the positioning spring 5 5 are snapped, and The adjustment of the radian is convenient to meet the needs of users. The creative lumbar support device 1 〇1 is composed of a lumbar support piece 2 0, a support handle 50, and a bracket 3 0 rear end and a positioning rod 37 are locked in the slide rail 4 0 at both ends of the rail 4 to Adjust the upper and lower heights of the waist piece 20, 〇 adjust the arc of the waist piece 2 〇

Page 9 M254959 Hook, Creation Instructions (5) The essentials of the establishment, which have not been disclosed before the application, I urge the Bureau to examine the patent granted, and I really pray. In addition, the specific embodiments listed in this creation are only those that are more commonly used, and are not limited to the content of this creative technical means. For example, the implementation of other equal effects belongs to the scope of this creative technology.

Page 10 M254959 Simple illustration of the drawing &lt; Simple illustration of the drawing &gt; The first drawing is a perspective view of the seat of this creation. The second picture is a conventional perspective. The third picture is another three-dimensional picture of this creation. The fourth picture is a three-dimensional exploded view of this creation. The fifth picture is an action diagram of the height adjustment of this creation. The sixth picture is the action picture for adjusting the waist piece of this creation. The seventh picture is another action of adjusting the waist. The eighth figure is a schematic cross-sectional view of the grip motion of this creative work. The ninth picture is a cross-sectional view of another grip action of this creation &lt; illustration of drawing number &gt; 10 12 2 0 2 2 2 4 3 0 3 2 3 4 3 6 4 0 4 2 4 4 Washer drive lever bracket groove arc-shaped through groove anti-slip hook hook rail stopper guide groove 2 2 2 4 4 4 1 7 Track recessed hole

Page 11 M254959 Brief description of the drawing 5 0: Grip 5 2 β • Slot 5 4: Notch 5 6: Positioning flange 6 0 · 'Bolt 1 0 0: Seat 5 1: Slot 5 5: Fitting Slot 5 5: Grip shrapnel 1 0 1: Waist lifter

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Claims (1)

M254959 V. Application for Patent Scope 1. An improvement of the structure of a seat lumbar lifter. The seat is composed of a cushion, a backrest and a fixed seat, and a mesh cloth is arranged on the backrest, especially on a fixed seat behind the mesh cloth. There is a waist lifter, which is composed of a waist lifter, a bracket, a slider and a grip. Among them, the waist lifter is provided with through holes at both ends, and a fixing washer is provided in the through hole. The rear end of the fixing washer is provided with a coupling portion, and a transmission rod is provided in the center, and a screw hole is provided in the transmission rod; opposite sides of the bracket are provided with opposite grooves, and the fixing rod is provided in the groove. An arc-shaped through slot and a plurality of limiting slots, and two opposite anti-slip hooks are provided at the rear of the center, and a positioning rod is provided between the two anti-slip hooks; The top of the road is provided with a broadcasting stop, and a plurality of recessed holes arranged in a longitudinal direction are arranged on one side, and a guide groove is provided between the recessed holes, and a plurality of screw holes are provided on the other side to be screwed on the side. Fixed seat; the handle has two slots inside, and two opposite sides of the slot A slot is provided at one end, and a grip spring is provided between two opposite fitting grooves, and a positioning flange provided at the center of the grip spring penetrates the gap; The slot is fixed to the fixing rod in the groove of the bracket, and the grip spring is locked in the limit slot. Then, the fixing washer at both ends of the waist piece is fitted into the bracket with the fitting portion, and the transmission rod of the fixed washer will pass through. The arc-shaped through groove in the through groove is screwed with the through groove in the grip, so that the bracket is fitted into the rails at both ends of the slider with two slide hooks, and the positioning rod of the bracket is inserted into the guide groove of the slide rail. And it is clamped by the concave holes on both sides. With this structure, the waist lifter can not only adjust the height of the waist lifter, but also adjust the radian of the waist lifter. Page 13 M254959 Page 14