KR20050021979A - Seat assembly with integral head/neck rest - Google Patents

Abstract

The seatback head / neck rest 30 has an accommodating general U-shaped head / neck rest in the seatback and can be adjusted in various positions during use and housed in the seatback when not in use. The seat 20 has a seatback 24, a lower seat 22, a support arch 28 and an opening 34. A typical U-shaped head / neck rest is pivotally attached to the seatback opening 34 with at least one attachment rod 38. Pivoting allows for an open position for use and a closed position to be received in the seatback. At least one attachment rod 38 is slide attached to the seatback and has a locking mechanism. Pivot attachment between the lower seat and seat back and support arch 28 may be made of steel pipe with padding.

Description

Seat assembly with integral head / neck rest {SEAT ASSEMBLY WITH INTEGRAL HEAD / NECK REST}

FIELD OF THE INVENTION The present invention relates to headrests and, more particularly, to seat assemblies having integral heads / neckrests that are accommodated in a seatback during use and that are housed in a seatback when not in use.

Headrests for vehicle seats are known. The headrest is originally designed to support and comfort the passenger. Vehicle seats for additional functions have been developed for many years. The main function of the headrests currently configured on the seat of the vehicle is to prevent the head from moving backward with respect to the torso in rear collisions. The headrest also prevents the occupant's head from moving in an undesired direction due to seat belts or airbags after a frontal crash. Vehicle seats and attached headrests are constructed relatively high for governmental regulation and safety. See US Pat. Nos. 6,120,099 and 6,129,421.

Unfortunately, many of the seatback and head rest assemblies limit the rear occupant's forward vision and the front occupant's rear vision. Current assemblies limit the comfort and flexibility of adjustment. The limitation is more severe for people who are relatively short. Therefore, headrests must be developed that meet the needs and expectations of occupant comfort and adjustment, as well as current safety and governmental regulations.

1 is a perspective view of the seat assembly of the present invention when the head / neck rest is in the open position;

2 is a perspective view of the seat assembly of the present invention when the head / neck rest is in the closed position.

3 is a front view of the seat assembly of the present invention when the head / neck rest is in the closed position.

Figure 4 is a side view of the seat assembly of the present invention when the head / neck rest is in the open position.

5 is a front view showing the head / neck rest in accordance with the present invention capable of adjusting the headrest vertically;

6 is a front view showing a vertical slot having an adjustment restraint mechanism in accordance with an embodiment of the present invention.

* Symbol description *

20: seat 24: seatback

34: seat back opening 26: pivot

36: padding 28: support arch

30: head / neck rest

The present invention therefore relates to a seat assembly having an integral head / neck rest accommodated in a seatback and configured in the seatback when not in use and which accommodates various positions.

According to an embodiment of the present invention, the inner peripheral portion forming the opening of the support arch and the seat back,

A head / neck rest assembly connected to the seatback, the head / neck rest assembly having at least one mounting rod, a U-shaped head / neck rest connected to the mounting rod, between the head / neck rest and the seatback One or more of the mounting rods are connected to the seatback to provide a pivot mount, wherein the headrest pivots between an open position located away from the seatback opening and a closed position received within the seatback opening.

According to a preferred embodiment, the mounting rod is slidably mounted relative to the seatback and has a restraint mechanism.

According to another feature of the invention, the sheet may comprise an inner frame. The lower seat and the seatback can be mounted in a pivoted state. The support arch is made of steel pipe and has padding. The pivot mount between the mounting rod and the head / neck rest may have a frictional connection.

Other features of the present invention are clearly understood from the following detailed description with reference to the drawings.

The present invention relates to a vehicle seat assembly having a headrest. The seat assembly of the present invention allows for a high seat and also provides a head / neck rest that is adjustable and foldable. 1 shows a sheet assembly 20 according to an embodiment of the invention. The seat assembly 20 has an inner support frame 44 as partially shown in FIGS. 3 and 4 and uses various forms of cover and cushioning materials known in the art to cover the inner frame.

The seat assembly 20 includes a lower seat 22 having a seatback assembly 24 and is pivotally connected or fixed in a pivot 26. The seatback assembly 24 has an inner periphery 32 and a support arch 28 forming the seatback opening 34. In order to provide a supporting function, the support arch 28 is made of various materials such as steel pipes. Arch padding 36 is added which includes a variety of materials known in the art and covered with a durable cover.

A head / neck rest 30, generally U-shaped, to support the passenger's head and neck is attached to the seatback assembly 24 at position 42 and seat seat openings by at least one mounting rod 38. Arranged in (34). One or more mounting rods 38 are mounted on the headrest 30 at the pivot mounting portion 40 to allow movement of the headrest 30 from the open position of FIGS. 1 and 4 to the closed position of FIGS. 2 and 3. It is attached to pivot. The headrest 30 is fixed in place by a frictional connection between the one or more mounting rods 38 and the headrest 30, which is suitable for fixing the headrest 30 by the user and overcoming friction. By providing a load the passenger can adjust the headrest 30. Friction connections of this type are known in the art. 2 and 3, the headrest 30 is integrally formed with the seat back assembly 24 in the closed position.

According to an alternative embodiment of the invention shown in FIG. 5, one or more mounting rods 38 may be slidably mounted to the seatback assembly 24 such that the headrest 30 is vertically adjustable. For example, in order to form a range of the vertical adjustment portion 50 for the headrest 30 corresponding to several centimeters, the sliding mount 46 is arranged along the inner periphery 32 of the seat back assembly 24. 48). One or more mounting rods 38 extend through vertical slots 48 with vertical slot channels 49. One or more mounting rods 38 maintain a static position in the vertical slot 48 by a number of means known in the art, such as frictional connections. Transverse movement of the headrest 30 is limited by arranging the flange 52 at the end of the mounting rod 38. Other means for limiting lateral motion are possible and disclosed in the prior art. In the embodiment of the present invention shown in FIG. 5, the headrest 30 is fixed by the user, provides a suitable load, and slides one or more mounting rods 38 along the vertical slot 48 to the headrest. 30 is adjusted vertically.

6 shows another embodiment of the present invention. According to the embodiment of FIG. 6, a constrainer assembly 66 is added to automatically constrain the vertical adjustment of the headrest 30 in the vertical slot 48. Referring to FIG. 6, the vertical edges constituting the teeth 54 are configured in the vertical slot channel 49. The teeth 54 are arranged on the rear edge 51 of the vertical slot channel 49. The toothed portion 54 and the restraining pin 56 arranged in the hole 60 of the mounting rod 38 are connected to each other, and the mounting rod 38 is connected to the toothed portion 54 by a spring 58. Biased. Therefore, by the deflection action of the fraud spring 58, the restraining pin 56 is automatically pressed into the teeth 54, thereby restraining the headrest 30 completely to the required vertical position.

According to the embodiment of the present invention shown in FIG. 6, the passenger can release the restraining pin 56 against the tooth 54. A release lever 62 attached to the restraining pin 56 is guided into the channel 64 within the mounting rod 38. By providing a load sufficient to overcome the biasing force of the spring 58, the passenger can release the restraint pin 56, thus pulling the restraint pin 56 out of the tooth 54 and the vertical slot 48. Release the headrest 30 for vertical movement within.

Adjusting and extending the headrest 30 vertically provides comfort for passengers wishing to use the headrest 30 as a support for the head and / or neck regardless of the height of the seat assembly 20. Also, when the headrest 30 is in the extended position, the field of view is improved from front to back and from rear to front. In the retracted position the headrest 30 forms part of the seatback assembly 24.

Optional embodiments may be added to the motorized adjuster known in the art.

Although embodiments of the present invention are described, the above embodiments do not describe all possible examples of the present invention. The above description does not limit the invention, and various modifications are possible without departing from the scope and spirit of the invention.

Claims (12)

Has an inner periphery forming an opening of the support arch and the seat back, A head / neck rest assembly connected to the seatback, the head / neck rest assembly having at least one mounting rod, a U-shaped head / neck rest connected to the mounting rod, between the head / neck rest and the seatback At least one of the mounting rods is connected to the seatback to provide a pivot mount, wherein the headrest pivots between an open position away from the seatback opening and a closed position accommodated in the seatback opening. Seatback assembly. 2. The seatback assembly of claim 1, wherein said support arch forms part of an inner frame of said seatback. The seatback assembly of claim 2, further comprising a cover and a cushion material covering the inner frame. 2. The seatback assembly of claim 1, further comprising a bottom sheet pivotally attached to said seatback. 2. The seatback assembly of claim 1, wherein said support arch is made of steel pipe. 2. The seatback assembly of claim 1, wherein said support arch is comprised of padding. The seatback assembly according to claim 1, wherein a pivot attachment portion formed between the mounting rod and the head / neck rest is a friction connection portion. 2. The seatback assembly of claim 1, wherein said at least one mounting rod is slidably mounted to said seatback. 9. The seatback assembly of claim 8, wherein the slidable mounting portion is comprised of vertical slots having vertical slot channels along the inner periphery, wherein the one or more mounting rods extend inwardly through the vertical slot channels. . 9. The seatback assembly of claim 8, wherein said slidable mounting portion further has a restraint mechanism. 12. The channel of claim 10 wherein the restraint mechanism has a tooth arrangement along the rear edge of the vertical slot channel, wherein at least one mounting rod is arranged in a hole biased toward the tooth. And a release lever attached to a restraining pin guided therein. 2. The seatback assembly of claim 1, wherein the support back forms the top of the seat back assembly during use and the head / neck rest assembly in the open position does not extend above the top of the support arch.