U.S. patent application number 12/542104 was filed with the patent office on 2011-02-17 for baby high chair.
Invention is credited to Ming-Hsien Lin, Feng-Jung Lo, Yung-Teng Lo.
Application Number | 20110037297 12/542104 |
Document ID | / |
Family ID | 49078231 |
Filed Date | 2011-02-17 |
United States Patent
Application |
20110037297 |
Kind Code |
A1 |
Lo; Feng-Jung ; et
al. |
February 17, 2011 |
Baby High Chair
Abstract
A high chair includes a front support frame (31), a rear support
frame (32) pivotally connected with the front support frame, an
upper support frame (12) having a first end pivotally connected
with the front support frame, and at least one locking device (2)
mounted on a second end of the upper support frame and detachably
locked onto the rear support frame to releasably lock the upper
support frame on the rear support frame. Thus, the high chair can
be folded completely when not in use so as to largely decrease the
space of storage and transportation. In addition, the high chair is
folded or expanded easily and quickly, thereby facilitating the
user folding or expanding the high chair.
Inventors: |
Lo; Feng-Jung; (Yongkang
City, TW) ; Lo; Yung-Teng; (Yongkang City, TW)
; Lin; Ming-Hsien; (Yongkang City, TW) |
Correspondence
Address: |
KAMRATH & ASSOCIATES P.A.
4825 OLSON MEMORIAL HIGHWAY, SUITE 245
GOLDEN VALLEY
MN
55422
US
|
Family ID: |
49078231 |
Appl. No.: |
12/542104 |
Filed: |
August 17, 2009 |
Current U.S.
Class: |
297/30 ;
297/56 |
Current CPC
Class: |
A47D 1/023 20170501;
A47D 1/008 20130101 |
Class at
Publication: |
297/30 ;
297/56 |
International
Class: |
A47D 1/02 20060101
A47D001/02 |
Claims
1. A high chair, comprising: a front support frame (31); a rear
support frame (32) pivotally connected with the front support
frame; an upper support frame (12) having a first end pivotally
connected with the front support frame; at least one locking device
(2) mounted on a second end of the upper support frame and
detachably locked onto the rear support frame to releasably lock
the upper support frame on the rear support frame.
2. The high chair of claim 1, wherein the locking device includes:
a mounting block (21) secured on the second end of the upper
support frame and having a first end provided with a mounting
recess (211) detachably mounted on the rear support frame; a stop
piece (24) mounted on a second end of the mounting block; a control
knob (22) movably mounted on the mounting block; a locking bolt
(222) secured on the control knob and movable to press the rear
support frame so as to releasably lock the mounting block on the
rear support frame; an elastic member (23) biased between the stop
piece and the control knob to push the control knob and the locking
bolt toward the rear support frame.
3. The high chair of claim 2, wherein the mounting block of the
locking device has an inner portion provided with a slideway (215);
the control knob of the locking device is slidable in the slideway
of the mounting block.
4. The high chair of claim 2, wherein the rear support frame has an
upper portion provided with at least one locking hole (321); the
locking bolt of the locking device is inserted into and detachably
locked in the locking hole of the rear support frame.
5. The high chair of claim 2, wherein the locking bolt of the
locking device is secured on a first side of the control knob to
move in concert with the control knob; the control knob of the
locking device has a second side provided with a receiving chamber
(223); the elastic member of the locking device is mounted in the
receiving chamber of the control knob.
6. The high chair of claim 2, wherein the control knob of the
locking device has a face provided with a mounting groove (221) for
mounting the locking bolt.
7. The high chair of claim 2, wherein the stop piece of the locking
device is secured on the mounting block by a locking screw
(214).
8. The high chair of claim 7, wherein the second end of the
mounting block has a top provided with a fixing hole (213); the
stop piece of the locking device has a top provided with a screw
bore (241); the locking screw extends through the fixing hole of
the mounting block and is screwed into the screw bore of the stop
piece to fix the stop piece to the mounting block.
9. The high chair of claim 2, wherein the upper support frame has a
bottom provided with a socket (120); the first end of the mounting
block has a top provided with a plug (212) inserted into the socket
of the upper support frame and a receiving space (217) to receive
the socket of the upper support frame.
10. The high chair of claim 3, wherein the slideway of the mounting
block is located between the stop piece and the mounting
recess.
11. The high chair of claim 5, wherein the slideway of the mounting
block has a sidewall provided with a through hole connected to the
mounting recess; the locking bolt of the locking device has a first
end secured on the first side of the control knob and a second end
extending through the through hole into the mounting recess of the
mounting block.
12. The high chair of claim 2, wherein the control knob of the
locking device has a bottom provided with an upright pull handle
protruding outwardly the mounting block to facilitate a user
pushing the control knob.
13. The high chair of claim 3, wherein the locking bolt of the
locking device is movable in the slideway of the mounting
block.
14. The high chair of claim 5, wherein the elastic member of the
locking device is biased between the stop piece and the second side
of the control knob.
15. The high chair of claim 3, wherein the stop piece of the
locking device is received in the slideway of the mounting
block.
16. The high chair of claim 2, wherein the first end of the
mounting block has a bottom formed with the mounting recess.
17. The high chair of claim 2, further comprising: a seat frame
pivotally connected with the front support frame.
18. The high chair of claim 17, wherein the seat frame has a first
end pivotally connected with the front support frame and a second
end provided with a footrest.
19. The high chair of claim 1, further comprising: a placement
member mounted on and located above the upper support frame.
20. The high chair of claim 17, wherein the rear support frame has
a mediate portion pivotally connected with a mediate portion of the
front support frame; the upper support frame is located above the
seat frame; the first end of the upper support frame is pivotally
connected with an upper portion of the front support frame.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a high chair and, more
particularly, to a baby high chair for dining.
[0003] 2. Description of the Related Art
[0004] A conventional baby high chair for dining comprises a
support stand, a seat mounted on the support stand, a backrest
mounted on a side of the seat, and a placement table pivotally
mounted on the backrest and located above the seat. The placement
table is provided with a recess to allow passage of a baby. When in
use, the placement table is pivoted upward to space from the seat.
After the baby is seated on the seat, the placement table is
pivoted downward until the placement table is disposed at a
horizontal state. At this time, the recess of the placement table
allows passage of the baby. Thus, food can be placed on the
placement table for the baby to dine. However, the conventional
baby high chair has a fixed structure and cannot be folded any more
so that the conventional baby high chair occupies a larger space of
storage when not in use.
BRIEF SUMMARY OF THE INVENTION
[0005] In accordance with the present invention, there is provided
a high chair, comprising a front support frame, a rear support
frame pivotally connected with the front support frame, an upper
support frame having a first end pivotally connected with the front
support frame, and at least one locking device mounted on a second
end of the upper support frame and detachably locked onto the rear
support frame to releasably lock the upper support frame on the
rear support frame.
[0006] The locking device includes a mounting block secured on the
second end of the upper support frame and having a first end
provided with a mounting recess detachably mounted on the rear
support frame, a stop piece mounted on a second end of the mounting
block, a control knob movably mounted on the mounting block, a
locking bolt secured on the control knob and movable to press the
rear support frame so as to releasably lock the mounting block on
the rear support frame, and an elastic member biased between the
stop piece and the control knob to push the control knob and the
locking bolt toward the rear support frame.
[0007] The primary objective of the present invention is to provide
a high chair that is folded when not in use.
[0008] According to another objective of the present invention,
after the upper support frame is removed from the upper portion of
the rear support frame, the rear support frame is pivoted toward
the front support frame, the upper support frame is pivoted toward
the front support frame, and the seat frame is pivoted toward the
front support frame so as to fold the high chair so that the high
chair can be folded completely when not in use so as to largely
decrease the space of storage and transportation.
[0009] According to a further objective of the present invention,
the user only needs to pull or release the pull handle of the
control knob so as to fold or expand the high chair so that the
high chair is folded or expanded easily and quickly, thereby
facilitating the user folding or expanding the high chair.
[0010] Further benefits and advantages of the present invention
will become apparent after a careful reading of the detailed
description with appropriate reference to the accompanying
drawings.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING(S)
[0011] FIG. 1 is a perspective view of a high chair in accordance
with the preferred embodiment of the present invention.
[0012] FIG. 2 is a side view of the high chair as shown in FIG.
1.
[0013] FIG. 3 is an exploded perspective view of a locking device
of the high chair as shown in FIG. 1.
[0014] FIG. 4 is a locally enlarged cross-sectional view of the
high chair as shown in FIG. 2.
[0015] FIG. 5 is a schematic operational view of the high chair as
shown in FIG. 4.
[0016] FIG. 6 is a schematic operational view of the high chair as
shown in FIG. 2.
[0017] FIG. 7 is a schematic operational view of the high chair as
shown in FIG. 6.
DETAILED DESCRIPTION OF THE INVENTION
[0018] Referring to the drawings and initially to FIGS. 1-4, a high
chair in accordance with the preferred embodiment of the present
invention comprises a front support frame 31, a rear support frame
32 pivotally connected with the front support frame 31, an upper
support frame 12 having a first end pivotally connected with the
front support frame 31, at least one locking device 2 mounted on a
second end of the upper support frame 12 and detachably locked onto
the rear support frame 32 to releasably lock the upper support
frame 12 on the rear support frame 32, a placement member 11
mounted on the upper support frame 12, and a seat frame 33
pivotally connected with the front support frame 31.
[0019] The rear support frame 32 has a mediate portion pivotally
connected with a mediate portion of the front support frame 31. The
rear support frame 32 has an upper portion provided with at least
one locking hole 321.
[0020] The upper support frame 12 is located above the seat frame
33. The first end of the upper support frame 12 is pivotally
connected with an upper portion of the front support frame 31. The
placement member 11 is located above the upper support frame 12.
The upper support frame 12 has a bottom provided with a socket
120.
[0021] The seat frame 33 has a first end pivotally connected with
the front support frame 31 and a second end provided with a
footrest 331.
[0022] The locking device 2 includes a mounting block 21 secured on
the second end of the upper support frame 12 and having a first end
provided with a mounting recess 211 detachably mounted on the rear
support frame 32, a stop piece 24 mounted on a second end of the
mounting block 21, a control knob 22 movably mounted on the
mounting block 21, a locking bolt 222 secured on the control knob
22 and movable to press the rear support frame 32 so as to
releasably lock the mounting block 21 on the rear support frame 32,
and an elastic member 23 biased between the stop piece 24 and the
control knob 22 to push the control knob 22 and the locking bolt
222 toward the rear support frame 32.
[0023] The mounting block 21 of the locking device 2 has an inner
portion provided with a slideway 215. The slideway 215 of the
mounting block 21 is located between the stop piece 24 and the
mounting recess 211. The slideway 215 of the mounting block 21 has
a sidewall provided with a through hole 216 connected to the
mounting recess 211. The first end of the mounting block 21 has a
top provided with a plug 212 inserted into the socket 120 of the
upper support frame 12 and a receiving space 217 to receive the
socket 120 of the upper support frame 12. The first end of the
mounting block 21 has a bottom formed with the mounting recess 211.
The second end of the mounting block 21 has a top provided with a
fixing hole 213.
[0024] The locking bolt 222 of the locking device 2 is secured on a
first side of the control knob 22 to move in concert with the
control knob 22. The locking bolt 222 of the locking device 2 is
movable in the slideway 215 of the mounting block 21. The locking
bolt 222 of the locking device 2 has a first end secured on the
first side of the control knob 22 and a second end extending
through the through hole 216 into the mounting recess 211 of the
mounting block 21. The locking bolt 222 of the locking device 2 is
inserted into and detachably locked in the locking hole 321 of the
rear support frame 32.
[0025] The control knob 22 of the locking device 2 is slidable in
the slideway 215 of the mounting block 21. The control knob 22 of
the locking device 2 has a second side provided with a receiving
chamber 223. The control knob 22 of the locking device 2 has a
bottom provided with an upright pull handle 224 protruding
outwardly the mounting block 21 to facilitate a user pushing the
control knob 22. The control knob 22 of the locking device 2 has a
face provided with a mounting groove 221 for mounting the locking
bolt 222.
[0026] The elastic member 23 of the locking device 2 is mounted in
the receiving chamber 223 of the control knob 22 and is biased
between the stop piece 24 and the second side of the control knob
22.
[0027] The stop piece 24 of the locking device 2 is received in the
slideway 215 of the mounting block 21. The stop piece 24 of the
locking device 2 has a top provided with a screw bore 241. The stop
piece 24 of the locking device 2 is secured on the mounting block
21 by a locking screw 214. The locking screw 214 extends through
the fixing hole 213 of the mounting block 21 and is screwed into
the screw bore 241 of the stop piece 24 to fix the stop piece 24 to
the mounting block 21.
[0028] In operation, referring to FIGS. 4-7 with reference to FIGS.
1-3, the elastic member 23 pushes the control knob 22 and the
locking bolt 222 toward the rear support frame 32 so that the
locking bolt 222 is inserted into and locked in the locking hole
321 of the rear support frame 32 as shown in FIG. 4 to lock the
mounting block 21 on the rear support frame 32 so as to lock the
upper support frame 12 onto the upper portion of the rear support
frame 32 as shown in FIG. 2.
[0029] On the contrary, when the pull handle 224 of the control
knob 22 is pulled by a user to overcome the elastic force of the
elastic member 23, the control knob 22 and the locking bolt 222 are
moved outwardly relative to the rear support frame 32, so that the
locking bolt 222 is detached from the locking hole 321 of the rear
support frame 32 as shown in FIG. 5 to unlock the mounting block 21
from the rear support frame 32 so as to unlock the upper support
frame 12 from the upper portion of the rear support frame 32. After
the upper support frame 12 is removed from the upper portion of the
rear support frame 32 as shown in FIG. 6, the rear support frame 32
is pivoted toward the front support frame 31. Then, the upper
support frame 12 is pivoted toward the front support frame 31.
Finally, the seat frame 33 is pivoted toward the front support
frame 31 so as to fold the high chair as shown in FIG. 7.
[0030] Accordingly, after the upper support frame 12 is removed
from the upper portion of the rear support frame 32, the rear
support frame 32 is pivoted toward the front support frame 31, the
upper support frame 12 is pivoted toward the front support frame
31, and the seat frame 33 is pivoted toward the front support frame
31 so as to fold the high chair so that the high chair can be
folded completely when not in use so as to largely decrease the
space of storage and transportation. In addition, the user only
needs to pull or release the pull handle 224 of the control knob 22
so as to fold or expand the high chair so that the high chair is
folded or expanded easily and quickly, thereby facilitating the
user folding or expanding the high chair.
[0031] Although the invention has been explained in relation to its
preferred embodiment(s) as mentioned above, it is to be understood
that many other possible modifications and variations can be made
without departing from the scope of the present invention. It is,
therefore, contemplated that the appended claim or claims will
cover such modifications and variations that fall within the true
scope of the invention.
* * * * *