TW572741B - Chair with footrest - Google Patents

Description

572741 Fifty-five percent find out (1) The present invention relates to a mechanism that lays down on a chair that lays on the feet of the soil and causes the backrest to stand up and tilt down and interlocks with the backrest. When the footrest is rotated, the footrest is lifted in conjunction with the action of the backrest standing upside down, and the footrest is stored in accordance with FIGS. 11 and 14. The rotation mechanism of the feet is linked, 2 = Make the lying motion of the backrest and rest the feet, and lift the child in conjunction with the action of the backrest / sin back tilting. The action of e is interlocked. The chair 1 storing the footrest is a bone of the seat, and the pillar 22 added to the base frame 2 = the seat frame (hereinafter referred to as the seat portion), which can be rotated by the standpoint. Pivot ^ has branch f. Behind the seat 1 is supported by an axis 5 (hereinafter referred to as the backrest portion) 4 Λ is a backrest frame which is a skeleton of the backrest portion; a front end of the seat portion 1 is rotatably supported by a shaft 7 Department) 6. These seats}, the footrest of the north frame of the north (hereinafter referred to as the footrest back post 4τ sin month ° 卩 4 and the footrest 6 are covered with a seat cushion 5 〇. Heart, tilted forward below The interposition is provided so that the backrest portion reaches 10 and moves 3 in the casing 9! The mechanism 8 is connected to the seat portion i by the casing 9 and by a horse, and = ;, and the-end of the rod portion 11 The backrest 4 is tilted by the movement of the shaft "": Γ is moved in the direction of storage in the housing 9 and the backrest 4 is erected, and the lever 11 is moved in the opposite direction. A support frame 14 is fixed, and an operation lever 15 is supported on the support frame 14 to the right and the right, and the shaft 16 of the operation lever 15 is fixed to the end of the shaft 17 while the other end of the link 17 is Shaft 19 is pivotally connected

572741

V. Description of the invention (2) One end of the lever 18, and at the same time, the other end of the link 18 is pivotally connected to the foot rest 6 through the shaft 20. One end of the link 24 is pivotally connected to the lower end of the backrest portion 4 through the shaft 51 and one end of the link 25 is connected to the other end of the link 24 through the shaft 26. The other end portion is pivotally connected to the shaft 丨 6 of the operation lever 丨 5, and at the same time, the link 17 is rotatably connected with the push-up roller 27. Further, as shown in FIG. 11, in a state where the backrest portion 4 stands up, the push-up roller 27 is separated from the link 25, but if the backrest portion 4 is tilted by the reclining mechanism 8, the link 25 is pivoted by the axis 16 is the center and rotates counterclockwise to push the push-up roller 27. As a result, the link 17 is rotated, and the footrest is raised via the link 18 = 6. Fig. 12 shows the state in which the backrest part 4 is most inclined. On the other hand, if the crime 4 is erected, the foot rest β returns to the state shown in FIG. 11. Among them, the links 24, 25 and the push-up rollers 27 are linking mechanisms that link the lying motion of the backrest portion 4 and the turning mechanism of the footrest portion 6. In addition, the foot lifter 6 can be rotated independently of the backrest portion 4 by the operation lever 15. That is, by turning the operation lever 15 in the counterclockwise direction, the toilet seat is lifted irrespective. If the axis of the above two consecutive prints 18 is connected: i The line 16 of the shaft 16 of the rod 15 and the shaft 20 of the other end of the connecting rod 18 is oriented toward the side: ΪΪ The footrest 6 shown in Fig. 3 Turning clockwise, the rear surface portion 30 of the link 18 abuts against the notch portion 23 formed at the eleven end portion of the link, and the foot rest portion is locked. Eye-locking (since the height of the chair when it is packed is high, the backrest 4 is dumped to pack the sinner. But Liru 572741 V. Description of the invention (3) is so, f 1 丨 ^ # 长。 0 As shown in the figure, the footrest 6 is lifted, so the width is changed. Therefore, as shown in Figure 14, the car 2 at the end and the backrest 4 is removed. Raise the shaft 51 of the footrest, and lower the link 24, and remove the hidden body to pack the support member. As shown in the figure, the footrest 6 is a labor force, and the lower shaft 51 'Tools are necessary, and it takes time and rod 24 to connect the company to remove the chair and use it.' It is very troublesome to remove this J inverse,, and mouth on the back of the sin 4, and it is very troublesome. The subject is to provide a chair with a footrest, 1 package, 1 "use even when the package is opened", and W stands up to return to the normal usable state, and it is excellent for any special operation. The chair of the present invention is provided with a linking mechanism that links the reclining movement of the backrest and the 1-moving mechanism. # By the linking machine The toilet seat is: The action of == is used to raise the footrest, and it is linked to the backrest: 'Linked to collect the foot picker; 2 includes: a release device, which is used as a linkage of the association mechanism *; and The restoring device is used to make the backrest stand up: 2 to automatically restore the connection that has been disengaged. According to this structure, under the state that the backrest is tilted, the contact mechanism can be released by placing the restoring mechanism, so that it can be suspended. The feet become stowable = fitted and only the backrest is raised, and the disengaged = hiding mechanism can be automatically restored to its original state by the recovery device, so even if it is not performed

Page 6 V. Description of the invention (4) * At first, the chair has also become usable. In the case of foreign countries, the hibiscus is cut out and divided into two parts. The connecting rod is integrally held by a Z-rotation method, which is connected to the divided two-line shape, and has a holder that releases the holding device so that the two links are always used. According to this structure, the above-mentioned release device is used to release the holding of the holding device by the previous setting.折 In the dumped state, it is bent by unloading. It does not serve as a linking machine. ^ Each link is stored around the connecting axis. The function of “,” further makes the footrest part a holding rod that is engaged with the above-mentioned divided one-link connecting rod, and regards it as: = =; Straight another-holding rod to release the above-mentioned connection, and then two: fine "Released" and the release device. Interlocking and returning to a straight line, the complement and the rising of the back of the crime are engaged with the other-link = according to the above-mentioned holding rod of the link. Return the chair to ==, even if you do not perform any special operation. Set the mouthpiece to the normal usable state. It is equipped with a pushing device that continuously presses the holding lever toward and away from it. ， 止 .., 7 Push the magic direction under the bar-the maintenance of the body 43: the two links made by the body bar break the two links of the body, and the restoring action of the backrest is linked and restored. It can be carried out with certainty. [Inventive Examples]

Page 7 572741 V. Description of the invention (5) Explanation of the present invention according to Figs. 1 to 9 The same symbols are assigned to the same symbols to omit their description. '1, and the present invention is related to the present invention is that one of the connecting rods 24, 25 constituting the linking mechanism of the movement and rest of the backrest 4 is a connecting rod 24 to two == 24A, 24B, and the connecting shaft 31 who can turn 'two shots 24A, 24B. The cross-sectional shapes of the two links 2 "and 24B are connected, and the open surface of one link 24A arranged in a C-shape becomes upward, and the open surface of the ^ -rod 24B arranged in a 匚 -shape becomes downward. As shown in FIG. 5 It is shown that the connection of the above-mentioned one connecting rod 24A = a horizontally long groove 32 'is formed and as shown in FIG. 4, one end portion 34 of the holding rod 33 is pivotally connected to the other side of this pair, and this front end It is protruded by the groove 32. Those who hold this protrusion are all eight ', holding # 33 with a 嫂 ⑽, * Γ part, and can hold the holding rod 33 with a k. 卩 34 as a fulcrum along the groove 32 toward As shown in FIG. 10, one end 34 of the holding rod 33 is protruded by a hole 35 provided on the other surface of the connecting rod series 2 and a male screw, 糸 36, Here, the male screw 36 rotates the inherent nut 38 by the washer 3, so that it is easy to swing the holding rod 33 to the left and right with this one end portion 34 as a fulcrum. = A washer M is installed at the center of the holding rod 33, A coil spring 40 is interposed between the washer M: the other side of the yoke 24A. This coil spring "pushes the j-holding bar 33 at a right angle with respect to the link 24A. ^ A front end portion of one side of the other link 24B near the connecting shaft 31 forms a notch recess 41 which is not shown in the figure. The surface that is in contact with the above-mentioned concave "卩 41 郴" on the front end of one side surface becomes an arc surface 42. In the periphery of the shaft 51 which is a connecting portion of the connecting rod 24Λ with the backrest portion 4 572741 V. Description of the invention (6) = A torsion spring 43 is provided. This torsion spring 43 applies a clockwise rotation force to the connecting rod 2 4 A at ~ in FIG. 8. As shown in FIGS. 4 and 5, the two links 24 a and 24 b are shaped, and the side surface of the holding lever 33 is engaged with the recess 41. This engagement $ The above-mentioned coil spring 40 pushes the holding rod 33 relative to the connecting rod angle and the torsion spring 43 pushes the connecting rod 24A in a clockwise direction, so that 2: 3 strong / Λ engages in the recess 41 It will not fall off, that is, the two connecting rods 2: A: Z4B — the body is formed into a straight line. Therefore, in this state, the bathroom rod 24 performs the same function as the integrated rods 24A and 24B. Figure 3 shows the backrest 4 standing up ^ ° Figure 2 shows the backrest 4 falling down. "Among them, when the holding lever 33, the coil spring 40, and the recess 41 are connected, a holding device is integrally held so that the two links 24A and 24B are in a straight line. The coil spring f40 becomes the pressing force described in the application. Device: 3 items of Gule—t ί 2 Shantu Hujin, in the state that the backrest 4 is dumped, * holding the lever 3 3, ， Do n’t know the dog exit part along the groove 32 to the left When it is shaken, the engagement between the holding lever 33 and the recessed portion 41 is released, and the two links, 24A 2 = are released. As a result, as shown in FIG. 1, the footrest 6 cannot be lifted. Support, and the two links 24A, 24β are bent into a 'character shape' with the connecting shaft = as the center, and the footrest 6 is in a stowed state. When not packed, 'the backrest 4 is tilted in this way. ， Γ ， Η dangle the holding rod 33 ′ so that the footrest 6 can be stored, and further, the operation can be made to reduce the size of the package.

Page 9 572741 V. Description of the invention (7) Rotation of the foot 6 U & Make the f part 4 lie horizontally L. It is also a holding device and a releasing device. Together. ^ Stand up to North Qiu 4 and start to move in the clockwise direction when using the chair to open the package from the packing state. Then the connecting rod 24 line becomes smaller by the torsion spring # 43. Soon, the two connecting rods 24A and 246 The angle formed is gradually 42, then the side of the grip 33 is abutted against the arc-shaped surface of the connecting rod 246. The retaining cup 33 is resistant to the coil spring 4〇 and 24B ^ 4-? ^ -Μ!; ^ 4 ;: &Quot; When the spring 43 pushes ρ * linearly) '# The coil spring 40 is pushed by the pushing force and the torsion spring 24B24 ^ rough name, and is automatically engaged with the recess 41. And the two links 24A, 24B are integrated into a straight line. When it is used, it can automatically return to a usable state without any special operation. The K / Λ force elastic spring 43, the coil elastic spring 40, and the arc surface 42 are connected to the link mechanism that links the lying motion of the hibiscus with the turning mechanism of the footrest 6 and releases the backrest. The operation of the unit 4 is a constituent element of the self-device. According to the present invention, there is a release device for releasing the connection between the lying motion of the backrest and the footrest 3 and the link mechanism that links the moving mechanism, and a lifting mechanism for raising the leaning portion. The action will automatically respond to the disengaged contact. ^ = It is also caused by the backrest to be tilted when the bag is broken. The contact of the contact mechanism is released by the disassembly, so that the footrest can be stored. , 572741 V. Description of the invention (8) It is possible to make small-cut JI-type packaging with 4 early work. When used for reading and outfitting, only the contact mechanism that releases the backrest from the lid and unpacks it automatically: hunting by the recovery device to make the surface of the quilt, and it has an excellent identification (Simplified illustration of the drawing) ] Figure 1 is a side view of the present invention when it is packed. Fig. 2 is a side view of the state in which the backrest of the same chair is tilted down most in the normal use state.丨 Take 1 shell Figure 3 makes the same chair > A, s #

At is a side view of the state of the backrest harrow in the normal use state. Fig. 4 is a plan view of the link of the β < link mechanism constituting the present invention in a normal state.卞 You, use for lifting Figure 5 is a side view of the connecting rod in the same state. Fig. 6 is a plan view when the present invention is released. Figure 7 of the connecting rod of the connecting mechanism is a side view of the connecting rod in the same state. Fig. 8 is an enlarged side view of an important part of the state of the contact mechanism of the chair of the present invention. ^ ^ Figure 9 is an enlarged side view of an important part of the contact reply of the contact mechanism of the same chair. 1 FIG. 10 is an enlarged cross-sectional view showing an important part of the mounting state of the holding lever of the present invention, which is 4 persons and 1 person. Fig. 11 is a side view of the state of the chair of the known chair. Fig. 12 is a side view of the same chair's responsibility 推 卞 卞 &#; 572741 V. Description of the invention (9) Figures 1 and 3 are side views of the state where the footrest of the same chair is most raised and locked by the operating lever. Figure 14 is a side view of the same chair when it is packed. 〔Explanation of symbols〕 4 ~ backrest; 6 ~ foot rest; 1 8 ~ connecting rod; 24A-- connecting rod; 2 5 ~ connecting rod; 3 3 ~ holding rod; 4 0 ~ coil spring 4 2 ~ circular surface 8 ~ reclining mechanism; 17 ~ connecting rod; 24 ~ connecting rod; 24B ~ another connecting rod; 2 7 ~ push up roller; 3 1 ~ connecting shaft; 41 ~ recessed portion; 43 ~ torsion spring.

Page 12

Claims (1)

d / 厶 / 4 丄 六, I-kinds have ^^ and footrest rotation ^ The two chairs are provided with a contact mechanism that causes the backrest to lie down and tilt the backrest, and through this contact The standing action of the mechanism raises the foot rest in conjunction with the use of the backrest ^ sighing the foot rest, and is characterized by including: lifting the clothes, returning to the home, 'Pan 31's contact with the above contact agency ; And the dismissed link. ^ Official A's back-up action is linked and the automatic reply has been automatically restored. Two of them: Xiang Er's Xiang Yuansuo /: a chair with a footrest, t 'is divided into two parts by the connecting axis =' = and the When used, it usually has: χ 使 二; f :: two-part connection ;; body :: r holds the device, and borrows from the above two ::: Wai: Cheng is a tool with a shelf ^ ^ : The holding lever that is engaged is used as the above guarantee: $ Set straight: the connection with the other company, and then release the two companies ΆΓ 喿 as the guarantee 4. The third aspect of the scope of patent application of Rushen. Interlocking and returning to a straight line, and set to the action of standing up to = walking to engage the other link. The above-mentioned holding and defending mechanism is automatic. 5. As described in Patent Application No. 3 or 4, or above, there is a chair that continuously holds the above-mentioned holding lever toward the toilet ^ 1. 572741 VI. Pushing device for patent application pushing down. Page 14 1 ·