Source: http://www.google.com/patents/US20010010431?dq=5,963,646
Timestamp: 2017-12-16 05:32:20
Document Index: 22881622

Matched Legal Cases: ['art 4', 'art 2', 'art 3', 'art 5', 'art 2', 'art 3', 'art 4', 'art 2', 'art 3', 'art 5', 'art 2', 'art 3', 'art 8', 'art 7', 'art 2', 'art 4', 'art 2', 'art 3', 'art 5', 'art 2', 'art 3', 'art 8', 'art 7', 'art 2', 'art 4', 'art 2', 'art 4', 'art 2', 'art 2', 'art 4', 'art 2', 'art 3', 'art 4', 'art 7', 'arts 12', 'art 8', 'art 2', 'art 2', 'art 8', 'art 8', 'art 12', 'arts 4', 'art 4', 'art 4', 'art 8', 'art 8', 'art 4', 'arts 4', 'arts 4', 'art 8', 'art 3', 'art 3', 'art 4', 'art 5', 'art 8', 'art 7', 'art 2', 'art 2', 'art 8', 'art 2', 'art 8', 'art 2', 'art 8', 'art 5', 'art 2', 'art 5', 'art 2']

Patent US20010010431 - Attachment for child seat - Google Patents
The attachment 1 comprises the frame 6 having a seat side part 4, which faces a seat part 2 a of a vehicle seat 2 and supports the backside of a seat part 3 a of a child seat 3, and a back side part 5, which faces a back part 2 b of the vehicle seat 2 and supports the backside of a back part 3 b of the...http://www.google.com/patents/US20010010431?utm_source=gb-gplus-sharePatent US20010010431 - Attachment for child seat
Publication number US20010010431 A1
Application number US 09/728,119
Also published as US6764135
Publication number 09728119, 728119, US 2001/0010431 A1, US 2001/010431 A1, US 20010010431 A1, US 20010010431A1, US 2001010431 A1, US 2001010431A1, US-A1-20010010431, US-A1-2001010431, US2001/0010431A1, US2001/010431A1, US20010010431 A1, US20010010431A1, US2001010431 A1, US2001010431A1
Inventors Keiji Sasaki, Tsutomu Terasaki
US 20010010431 A1
The attachment 1 comprises the frame 6 having a seat side part 4, which faces a seat part 2 a of a vehicle seat 2 and supports the backside of a seat part 3 a of a child seat 3, and a back side part 5, which faces a back part 2 b of the vehicle seat 2 and supports the backside of a back part 3 b of the child seat 3; an first engagement part 8 made into engagement detachably with a second engagement part 7 provided on the back part 2 b of the vehicle seat 2; and a fixing belt 9 fixing the child seat 3 to the frame 6.
1. An attachment for attaching a child seat to a vehicle seat comprising:
a frame having a seat side part, which faces a seat part of said vehicle seat and supports the backside of a seat part of said child seat, and a back side part, which faces a back part of said vehicle seat and supports the backside of a back part of said child seat;
a first engagement part moved into engagement detachably with a second engagement part provided on the back part of said vehicle seat; and
a fixing belt fixing said child seat to said frame.
2. The attachment for a child seat as claimed in
, further comprising an adjusting means adjusting said first engagement part in a state in which said first engagement part can be moved and positioned with respect to said frame.
3. The attachment for a child seat as claimed in
, wherein said adjusting means can move said first engagement part with respect to said frame in a back-and-forth direction of a vehicle.
4. The attachment for a child seat as claimed in
, wherein said adjusting means consists of a feed-screw mechanism.
[0013]FIG. 1A is a plan view (a cutaway view in part) of an attachment and FIG. 1B is a side view (a cutaway view in part) thereof.
[0014]FIG. 2 is an external perspective view of the attachment and a child seat.
[0015]FIG. 3 is an external perspective view of a one-way ratchet mechanism.
[0016]FIG. 4A is an external perspective view of a handle, FIG. 4B is a side view showing a state using the handle and FIG. 4C is a side view showing a state without the use of the handle.
[0017]FIG. 5A is a diagram illustrating action of the attachment in a state in which the distance between a frame and a first engagement part is decreased and FIG. 5B is a diagram illustrating action of the attachment in a state in which the distance is increased.
In FIG. 1 and FIG. 2, the attachment 1 comprises the frame 6 having a seat side part 4, which faces a seat part 2 a of a vehicle seat 2 and supports the backside of a seat part 3 a of a child seat 3, and a back side part 5, which faces a back part 2 b of the vehicle seat 2 and supports the backside of a back part 3 b of the child seat 3; the first engagement part 8 made into engagement detachably with a second engagement part 7 provided on the back part 2 b of the vehicle seat 2; and a fixing belt 9 fixing the child seat 3 to the frame 6.
When the seat side part 4 made of a bar, tubing and the like is set as-is on the seat part 2 a of the vehicle seat 2, the seat side part 4 may be not convenient to be fitted with the seat part 2 a and the seat part 2 a may be burdened locally by weight of a child to deform the vehicle seat 2. Therefore, a rectangle base plate 11 is fixed on the underside of the seat side part 4 by fastening using a screw or the like and the base plate 11 is set on the seat part 2 a. Thus, the fit of the attachment 1 is improved and the vehicle seat 2 is prevented from deforming or the like by dispersing the burdens on the vehicle seat 2. According to the shape of the backside of the seat part 3 a of the child seat 3, the child seat 3 will be mounted directly on the base plate 11 without touching the seat side part 4 of the frame 6. In this case, the base plate 11 fits into “a seat side part which supports the backside of a seat part of a child seat” and constitutes a part of the frame 6.
As for the second engagement part 7 provided on the side of the vehicle seat 2, an anchor 12 defined by the “ISO-FIX” standard or the “child restraint anchorage system” standard is provided. The anchor 12 is, as shown in FIG. 2, made of a round bar, which is bent and molded in the shape of a U. Aside-to-side pair of center arm parts 12 a are provided along the width of the vehicle (in FIG. 2, an attaching member for attaching the anchor 12 and the like is omitted) to be made into engagement with the first engagement part 8 of the attachment 1. The place where the anchor 12 is set is not limited to the lower end of the back part 2 b of the vehicle seat 2 as shown in FIG. 2. The anchor 12 may be retractable and detachable and can be positioned in the inside of the back part 2 b.
On the other hand, the first engagement part 8 on the side of the attachment 1 is, for example, formed on the rear end of a slide member 27, as described later in detail. The first engagement part 8 is formed along the width of the vehicle and consists of a channel 28 and a hook member (not shown). The width of the channel 28 is slightly larger the outside diameter of the anchor 12. The hook member is protruded into the channel 28 and controlled to rotate in only one direction for locking the anchor 12. The center arm part 12 a of the anchor 12 is fitted into a predetermined position in the channel 28 to be locked by the hook member, therefore, the attachment 1 is fixed to the anchor 12.
Next, the fixing belt 9 will be described. Fixing belt attaching members 13 made of square pipe members are fixed on the rear ends of the seat side parts 4, 4 of the frame 6, respectively, outward in the vehicle width direction. The end part of the belt attaching member 13 has a lid. A belt 17 is attached on one end part and a belt 19 is attached on another end part via hardware 15, respectively. The hardware 15 is supported by a pin 14 (see FIG. 3), which acts as an axis wherein the hardware 15 can be shaken in a back-and-forth direction of a vehicle. A tang 16 is attached on the top of the belt 17 and a buckle 18 is attached on the top of the belt 19. These belts 17, 19 constitute the fixing belt 9 of the present invention. As shown in FIG. 2, the side bottoms of the child seat 3 generally have insertion holes 3 c, 3 cformed for drawing a vehicle seatbelt. The belts 17, 19 are drawn through this insertion holes 3 c, 3 c and the tang 16 is fitted into the buckle 18 and locked at the lower part of the child seat 3, therefore, the child seat 3 is fixed on the attachment 1. The lock of the tang 16 is released by pushing a release button of the buckle 18. The fixing belt 9 may be a plain weave belt of synthetic fiber and material and shape of the fixing belt 9 can be appropriately selected from anything having strength capable of restraining the child seat 3 solidly. The coupling system is not limited to the tang-buckle system.
As shown in FIG. 1B, the rear end side of the seat side part 4 of the frame 6 has an opening 6 a formed. The slide member 27 of square section is inserted and fitted in the seat side part 4 via the opening 6 a wherein the slide member 27 can slide. The rear end of the slide member 27 has the first engagement part 8 formed. The first engagement part 8, as described above, consists of the channel 28 and the hook member (not shown), and is positioned being protruded from the opening 6 a to the outside in a rear direction.
As for a mechanism, which slides the slide member 27 and can position at any given position, in the present embodiment, a feed-screw mechanism 29 is used from the viewpoint of ease of operation and economy. A slot 30 is drilled in the inside part of each seat side part 4 in the back-and-forth direction of the vehicle wherein the inside parts of the seat side parts 4, 4 are opposite to each other. The right and left slide members 27 are connected through the slot 30 via a connecting member 31 made of a square bar. A male screw 32 a of a rod 32 is screwed in a female nut 31 a set in a spiral at the center part of the connecting member 31. The rod 32 is supported by a supporting member 33 fixed solidly between the seat side parts 4, 4 and extended in the back-and-forth direction of the vehicle. A handle 34 is attached at the front end of the rod 32. According to the above-described configuration, when the handle 34 is rotated, the slide members 27, 27 are slid integrally. Therefore, the first engagement part 8 is moved in the back-and-forth direction of the vehicle and positioned at any given position by friction between the female nut 31 a and the male screw 32 a.
As for the position of the handle 34, the clearance between the child seat 3 and the base plate 11 is very narrow, therefore, in consideration of ease of operation of the handle 34, the handle 34 has no choice but to be protruded toward the front of the frame 6 and the base plate 11. However, the protrusion part is an obstacle in limited interior space of the vehicle and may make contact with the feet of a child. For this reason, in the present embodiment, when the handle 34 is not used, the handle 34 can be folded (raised and tilted) for not protruding. For example, as shown in FIG. 4A, the handle 34 is L-shaped. A knob 35 for operating is attached on one side of the handle 34 and another side of the handle 34 is rotatably supported within a channel 32 b formed at the tip of the rod 32. According to this configuration, when the handle 34 is used, as shown in FIG. 4B, the handle 34 is raised, the knob 35 is grasped to rotate the handle 34 and the feed-screw mechanism 29 is operated. When the handle 34 is not used, as shown in FIG. 4C, the handle 34 is tilted toward the rear of the vehicle. Therefore, the protrusion part, which is protruded toward the front of the frame 6 and the base plate 11, can be gone, or the dimensions thereof can be reduced. As a consequence, interior space of the vehicle can be used with efficiency.
Next, operation of the attachment 1 having the above-described configuration will be described. First, the seat part 3 a and the back part 3 b of the child seat 3 are held against the seat side part 4 and the back side part 5 of the frame 6. The belts 17, 19 are drawn through the insertion holes 3 c, 3 c, the tang 16 is fitted into the buckle 18 and locked, and the belts 17, 19 are fasten by the one-way ratchet mechanism 20. Therefore, the child seat 3 is fixed on the attachment 1 integrally. The first engagement part 8 of the attachment 1 is subsequently made into engagement with the second engagement part 7 provided on the side of the vehicle seat 2 (the anchor 12).
When a the clearance between the attachment 1 and the back part 2 b appears according to the shape of the vehicle seat 2, or as shown in FIGS. 5A, 5B, according to variations in the angle of inclination of the back part 2 b, the handle 34 adjusts the position of the frame 6 with respect to the first engagement part 8. For example, as shown in FIG. 5A, when the angle of inclination of the back part 2 b is large, the distance between the frame 6 and the first engagement part 8 is reduced. Conversely, as shown in FIG. 5B, when the angle of inclination of the back part 2 b is small, the distance between the frame 6 and the first engagement part 8 is increased. In both cases, the back side part 5 of the frame 6 makes contact with the back part 2 b. The handle 34 is operated for the back side part 5 pressing the back part 2 b and the attachment 1 can be prevented from rattling with respect to the vehicle seat 2, i.e., the child seat 3 does not rattle. Therefore, the child seat 3 is fixed on to the vehicle seat 2 with reliability.
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Cooperative Classification B60N2/2893, B60N2/2821, B60N2/2806, B60N2/286
European Classification B60N2/28P2, B60N2/28C, B60N2/28Y4, B60N2/28B2
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, KEIJI;TERASAKI, TSUTOMU;REEL/FRAME:011322/0811