United States Patent [191
`Kassai
`
`[11] Patent Number:
`[45] Date of Patent:
`
`4,723,813
`Feb. 9, 1988
`
`[54] TABLE ATTACHING CONSTRUCTION FOR
`NURSING CHAIRS
`Kenzou Kassai, Osaka, Japan
`[75] Inventor:
`[73] Assignee:
`Aprica Kassai Kabushikikaisha,
`Osaka, Japan
`[21] Appl. No.: 893,479
`[22] Filed:
`Aug. 5, 1986
`[30]
`Foreign Application Priority Data
`Aug. 14, 1935 [JP]
`Japan .............................. .. 60-124694
`
`[51] Int. Cl.‘ ............................................ .. A47B 83/02
`[52] US. Cl. .................................... .. 297/153; 292/30;
`297/149
`[58] Field of Search ............. .. 297/148, 149, 151, 153;
`292/29, 30, 52, 53, 127, 221
`References Cited
`U.S. PATENT DOCUMENTS
`
`[56]
`
`1,123,331 1/1915 Loeber ................................ .. 292/30
`1,556,524 10/1925 Kibble et a1.
`292/127
`1,766,366 6/1930 Welch et a1,
`292/127 X
`2,483,633 10/1949 Froelich
`297/149
`3,097,884 7/1963 Alford .... ..
`297/153
`3,649,074 3/1972 McDonald
`297/153
`
`4,105,247 8/1978 Saint . . . . . . . . . . . . .
`
`. . . . . . .. 297/149
`
`4,582,359 4/1986 Wise et a1.
`
`297/153 X
`
`FOREIGN PATENT DOCUMENTS
`297/149
`
`
`
`461807 12/1949 Canada 21331 5/1981 Japan.
`
`Primary Examiner-Kermeth J. Dorner
`Assistant Examiner——Pcter R. Brown
`Attorney, Agent, or Firm-—W. G. Fasse; D. H. Kane, Jr.
`[57]
`ABSTRACT
`A table attaching construction for nursing chairs has
`longitudinally extending right- and left-hand table sup
`port frames, a table disposed on these table support
`frames, and right- and left-hand operating levers. The
`right- and left-hand operating levers are adapted to be
`turned between ?rst locking and second release posi
`tions. When the operating levers are each in the first
`position, they are in engagement with the outer lateral
`portions and lower portions of the table support frames.
`When the operating levers are each in the second posi
`tion, such engagement is canceled. The table attaching
`construction for nursing chairs further includes right
`and left-hand slide members, and springs for urging
`these slide members to slide inwardly. Each slide mem
`ber has an opening for the associated operating lever to
`extend vertically therethrough. Under the action of the
`springs, the wall surfaces of the openings in the slide
`members press the operating levers to maintain the
`latter in the ?rst locking position. If an operating lever
`provided on one side of the table is turned to the second
`position and then, in this state, if the table is pushed to
`move toward the other side, then the engagement be
`tween the pair of operating levers and the pair of table
`support frames is canceled and the table can be removed
`by one hand only.
`
`7 Claims, 9 Drawing Figures
`
`J Squared, Inc. – Ex. 1008, p. 1
`
`

`
`US. Patent Feb. 9, 1988
`F I G. 1
`
`Sheet 1 of6
`
`4,723,813
`
`Ex. 1008, p. 2
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`

`
`US. Patent Feb. 9, 1988
`F I G. 2
`
`Sheet 2 of6
`
`4,723,813
`
`Ex. 1008, p. 3
`
`

`
`US. Patent Feb. 9, 1988
`
`111
`N ‘
`
`Ex. 1008, p. 4
`
`

`
`US. Patent Feb. 9, 1988
`
`Sheet 4 0f6
`
`4,723,813
`
`F I G. 4
`
`FIG.5
`
`Ex. 1008, p. 5
`
`

`
`US. Patent Feb. 9, 1988
`F l G. 7
`
`Sheet 5 of 6
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`4,723,813
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`17
`
`F\ x,
`
`34
`
`/
`3
`9
`
`(
`\
`35 36
`
`(4
`32 17b
`
`F169
`
`Ex. 1008, p. 6
`
`

`
`US. Patent Feb. 9, 1988
`
`Sheet 6 Ora
`
`4,723,813
`
`F I G. 8
`
`Ex. 1008, p. 7
`
`

`
`1
`
`TABLE A'ITACI-IING CONSTRUCTION FOR
`NURSING CHAIRS
`
`FIELD OF THE INVENTION
`This invention relates to a table for a nursing chair.
`When a baby is seated on the nursing chair, food or a
`toy is placed on the table for the baby to eat or to play
`with, respectively. More particularly, the invention
`relates to a construction for removably attaching a table
`to a nursing chair.
`
`DESCRIPTION OF THE PRIOR ART
`This type of table attaching construction is disclosed
`in Japanese Utility Model Publication No. 21331/ 1981.
`FIG. 9 is a sectional view of the table attaching con
`struction for nursing chairs disclosed in said publica
`tion.
`The table 1 is disposed on a pair of longitudinally
`extending lateral plates 2 on the right- and left-hand
`sides of a nursing chair. In the state shown in FIG. 9, an
`operating lever 3 is urged by the action of a cylindrical
`coil spring 4 toward the back of the table 1, with the
`?tting portion 3a of the operating lever 3 ?tting on the
`lower surface of the rib 2a of the lateral plates 2. As a
`result, the operating lever 2 ?xes the table 1 in position
`while embracing the rib 20.
`To remove the table 1 from the lateral plates 2 and
`out of the state shown, the user grips the right- and
`left-hand operating levers 3 with the hands and turns
`the right- and left-hand operating levers outwardly as
`shown in phantom lines in FIG. 9 against the forces of
`the cylindrical springs 4. And then, still holding the
`operating levers 3, the operator moves the table 1 up
`wardly, whereby the table 1 is separated from the nurs
`ing chair.
`The table attaching construction described above
`requires both hands for removing the table 1 from the
`lateral plates 2. Therefore, if she is holding a child in
`one arm, it is impossible for her to remove the table, a
`fact which is inconvenient.
`
`25
`
`35
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`4,723,813
`2
`left-hand slide members urged as described above, the
`wall surfaces of the openings in the right- and left-hand
`slide members press the right- and left-hand operating
`levers to maintain them in the ?rst position.
`Using one hand, the user grips one side of the table
`and also the operating lever disposed on one side of the
`table and turns said operating lever into the second
`position, whereby the engagement between the operat
`ing lever and the table support frame on one side is
`cancelled. In this state, the operator pushes the table
`toward the other side to move it in that direction, with
`the result that the engagement between the operating
`lever and the table support frame on the other side is
`cancelled.
`As described above, according to the invention, the
`table can be removed by one hand, so that even if the
`user is holding a child in one arm, it is possible to re
`move the table. Further, since the right hand or the left
`hand may be used to perform the operation, the con
`struction is very convenient in its use.
`These objects and other objects, features, aspects and
`advantages of the present invention will become more
`apparent from the following detailed description of the
`present invention when taken in conjunction with the
`accompanying drawings.
`BRIEF DESCRIPTION OF THE DRAWINGS
`FIG. 1 is a perspective view of a high chair to which
`an embodiment of the invention is applied;
`FIG. 2 is a plan view, partially broken away, against
`the bottom of a table shown in FIG. 1;
`FIG. 3 is a view taken along the line III—III in FIG.
`2;
`FIG. 4 is a rear view of a right-hand operating lever
`19 shown in FIGS. 2 and 3;
`FIG. 5 is a right-hand side view of the right-hand
`operating lever 19;
`FIG. 6 is a sectional view similar to that of FIG. 3,
`but showing the state established when the right-hand
`operating lever has been turned out of the state shown
`in FIG. 3;
`FIG. 7 is a view taken along the line VII-VII in
`FIG. 2;
`FIG. 8 is a view showing the state established when
`an operating button is pulled forward from the state
`shown in FIG. 2; and
`FIG. 9 is a sectional view showing a conventional
`table attaching construction for nursing chairs shown in
`Japanese Utility Model Publication No. 21331/ 1981.
`
`40
`
`SUMMARY OF THE INVENTION
`Accordingly, it is an object of the invention to pro
`vide a table attaching construction for nursing chairs
`which requires only one hand for removing the table.
`A table attaching construction for nursing chairs
`according to the invention comprises longitudinally
`extending right- and left-hand table support frames on
`the right- and left-hand sides of a nursing chair, a table
`disposed on said right- and left-hand table support
`frames, and right- and left-hand operating levers on the
`right- and left-hand sides of said table.
`The right- and left-hand operating levers are each
`adapted to be turned between ?rst and second positions.
`When the right- and left-hand operating levers are both
`in the ?rst position, they engage the outer lateral por
`tions and lower portions of the right- and left~hand table
`support frames. Further, when the right- and left-hand
`operating levers are both in the second position, the
`aforesaid engagement is cancelled.
`The present table attaching construction for nursing
`chairs further comprises right- and left-hand slide mem
`bers transversely slidable in the table, and springs for
`urging the right- and left-hand slide members to slide
`inwardly. The right- and left-hand slide members each
`have an opening through which the associated operat
`ing lever extends vertically. Further, with the right- and
`
`45
`
`50
`
`DESCRIPTION OF PREFERRED
`EMBODIMENTS AND OF THE BEST MODE OF
`THE INVENTION
`FIG. 1 is a perspective view of a high chair to which
`an embodiment of this invention is applied. The high
`chair 10 has a pair of vertically extending lateral frames
`11 on its right- and left-hand sides. A seat member 12
`forming a seat and a footrest 13 are installed between
`said lateral frames 11. Disposed above the seat member
`12 are left- and right-hand table support frames 14 and
`15 extending longitudinally on the left- and right-hand
`sides of the high chair 10. The left- and right-hand table
`support frames 14 and 15 are interconnected by a front
`table support frame 16. That is, the left- and right-hand
`table support frames 14 and 15 and the from table sup
`port frame 16 form an integral U-shaped frame. In this
`context the term “right-hand side” used in this speci?ca
`
`60
`
`65
`
`Ex. 1008, p. 8
`
`

`
`15
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`25
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`4,723,813
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`3
`frames 14, 15 and 16. After the table 17 has been moved
`tion refers to the right-hand side of a child sitting on the
`to a suitable position, the table 17 can be ?xed in that
`high chair 10, and the term “left-hand side" refers to the
`position by engaging the engaging projections on the
`left-hand side of the child.
`left- and right-hand levers 18 and 19 with the engaging
`As shown, a table 17 is disposed on the table support
`recesses 26 of the table support frames 14 and 15.
`frames 14, 15 and 16. The table 17 comprises an upper
`Referring to FIGS. 2 and 3, the left- and right-hand
`table or top 170 disposed above and a lower table or
`sides of the table 17 are provided with left- and right
`bottom 17b disposed below, said upper and lower tables
`hand slide members 27 adapted for sliding in the trans
`being joined together, for example, by a ?t as shown in
`verse direction. Both sliding members 27 have a recep
`FIG. 3.
`tion hole 28 for receiving the inward projection 24a of
`On opposite sides of the table, there are left- and
`the spring holding member 24 for guiding the respective
`right-hand operating levers 18 and 19. The right-hand
`slide member. Further, the right-hand slide member 27
`operating lever 19 is hidden and not visible in FIG. 1.
`has an opening 29 through which the right-hand operat
`These left- and right-hand operating levers 18 and 19
`ing lever 19 extends.
`are turnable between ?rst and second positions. This
`As shown in FIGS. 2 and 3, a spring 30 is mounted on
`will be described in more detail below.
`the inward projection 24:! of the spring holding member
`FIG. 2 is a plan view of the table shown in FIG. 1.
`24, whereby the right-hand slide member 27 is con
`For the sake of convenience, the table 17 is shown with
`stantly urged inwardly. Thus, in the normal state, the
`the upper table 170 removed.
`wall surface of the opening 29 in the right-hand operat
`The construction for attaching the table 17 to the
`ing lever 19 presses the right-hand operating lever 19 to
`table support frames 14, 15 and 16 is installed in connec
`tion with the right-hand operating lever 19 positioned
`maintain the latter in the ?rst position shown in FIG. 3.
`The arrangement of the right-hand operating lever 19
`on the right-hand side of the high chair 10 and with the
`described above is equally provided for the left-hand
`left-hand operating lever 18 positioned on the left-hand
`operating lever 18 located on the left-hand side of the
`side of the high chair. Since the construction associated
`with the right-hand operating lever 19 is substantially
`table 17. Therefore, if the left- and right-hand operating
`levers 18 and 19 provided on the right- and left-hand
`the same as that associated with the left-hand operating
`lever 19, a description will be given below primarily of
`sides of the table 17 are turned to the second position
`shown in FIG. 6, the engagement between the right
`the construction associated with the right-hand operat
`and left-hand operating levers 18 and 19 and the right
`ing lever 19.
`and left-hand table support frames 14 and 15 is canceled.
`As shown in FIGS. 2 and 3, a pair of support mem
`In this state the table 17 can be lifted upwardly for its
`bers 20 is ?xed to the right-hand side of the upper table
`complete removal.
`174. The members 20 extend downwardly toward the
`lower table 17b. The right-hand operating lever is tum
`In the above description, the table 17 has been re
`moved by using both hands. However, it is also possible
`ably installed between said pair of support members 20
`by a pin 21. The lower table 17b, as shown in FIG. 3,
`to remove the table 17 by using but one hand. For exam
`ple, suppose that the left-hand operating lever 18 alone
`has an opening 22 through which the right-hand operat
`ing lever 19 extends. The right-hand operating lever 19
`has been turned to the second position. In that case, the
`right-hand operating lever 19 has not been touched by
`is shaped to embrace the right-hand table support frame
`any band. As a result, the right-hand operating lever 19
`15. More particularly, as shown in FIG. 3, the lever 19
`remains in the second position. If the table 17 is pushed
`is shaped so that in the ?rst position shown in FIG. 3, it
`to the right by the hand which is now gripping both the
`engages the outer lateral portion 150 and the lower
`portion 15b of the right-hand table support frame 15.
`left-hand side of the table 17 and the left-hand operating
`lever 18, then the right-hand operating lever 19 is
`Referring to FIGS. 4 and 5, the upper middle portion
`pressed by the wall surface of the opening 29 in the
`of the right-hand operating lever 19 has a recess 23 in
`which a substantially T-shaped spring holding member
`right-hand slide member 27 or the wall surface of the
`45
`opening in the lower table 17b, whereby it is moved to
`24 is received as shown in FIG. 2. The pin 21 extending
`through the right-hand operating lever 19 extends also
`the right together with the table 17. As a result, the
`through the spring holding member 24 having an in
`engagement between the engaging projections 25 on the
`ward projection 24a facing inwardly.
`right-hand operating lever 19 and the engaging recesses
`26 of the right-hand table support frame 15 is canceled,
`Further, as shown in FIGS. 3 and 5, the portion of the
`enabling the table 17 to be removed. Similarly, the table
`right-hand operating lever 19 which is adapted to en
`gage the lower portion 15b of the right-hand table sup
`17 can be removed solely by the hand which is used to
`port frame 15 has a plurality of engaging projections 25
`turn the right-hand operating lever 19. In this manner,
`arranged in the longitudinal direction. In association
`the table can be removed either by right hand or by the
`therewith, the lower portion 15b of the right-hand table
`left hand alone.
`Referring to FIG. 2, slide member operating means
`support frame 15 has a plurality of engaging recesses 26
`for engagement by said engaging projections 25. The
`31 are disposed on the lower table 17b for simulta
`neously sliding outwardly the right-hand slide member
`engaging recesses 26 are shown in FIG. 1.
`When the engaging projections 25 on the left- and
`27 and left-hand slide member. Referring also to FIG. 7
`showing a ?gure taken along the line VII—VII in FIG.
`right-hand operating levers 18 and 19 are in engagement
`with the engaging recesses 26 of the left- and right-hand
`2, the slide member operating means 31 includes an
`operating button 32 adapted for sliding longitudinally in
`table support frames 14 and 15, respectively, the table
`17 is ?rmly ?xed in position. On the other hand, as
`the table 17, a shaft 33 erected on the lower table 17b,
`and left- and right-hand pressing rods 34 and 35 adapted
`shown in FIG. 6, when the right- and left-hand operat
`ing levers l9 and 18 are turned to the position shown in
`to be displaced in response to a sliding movement of the
`FIG. 2, the engagement between the engaging projec
`operating button 32. The operating button 32 has a
`longitudinally elongated opening 36 for receiving the
`tions 25 and the engaging recesses 26 is cancelled,
`shaft 33. Therefore, the operating button 32 is capable
`whereby the table 17 can be moved on the table support
`
`40
`
`55
`
`60
`
`65
`
`Ex. 1008, p. 9
`
`

`
`5
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`25
`
`30
`
`35
`
`20
`
`4,723,813
`6
`5
`is not limited to a high chair but is applicable to nursing
`of sliding in the longitudinal direction within the range
`chairs, in general, including low chairs.
`defined by an allowable relative movement between the
`Although the present invention has been described
`shaft 33 and the elongated opening 36.
`and illustrated in detail, it is clearly understood that the
`Substantially the middle of the front portion of the
`same is by way of illustration and example only and is
`lower table 17b has a window 37. The front portion of
`not to be taken by way of limitation, the scope of the
`the operating button 32 has a substantially inverted
`present invention being limited only by the terms of the
`U-shape, as shown in FIG. 7. The inverted U-shaped
`appended claims.
`portion is located in a position corresponding to the
`What is claimed is:
`window 37. Therefore, it is possible to operate the oper
`1. A table attaching construction for nursing chairs,
`ating button 32 for sliding movement by gripping the
`comprising a table tray, longitudinally extending left
`inverted U-shaped portion of the operating button 32
`and right-hand table support frames (14, 15) on the left
`from below the table 17.
`and right-hand sides of a nursing chair, said table tray
`Referring to FIG. 2, the right- and left-hand pressing
`(17) being disposed on said left- and right-hand table
`rods 34 and 35 are tumably connected at one of their
`support frames (14, 15), left- and right-hand operating
`respective ends to the shaft 33 and adapted to abut at the
`levers (18, 19), journal means (21) pivotally mounting
`other ends thereof against the right-hand slide member
`said operating levers on the right- and left-hand sides of
`27 and against the left-hand slide member. Projecting
`said table tray respectively, said operating levers being
`pins 38 and 39 project from the operating button 32.
`turnable between ?rst locking positions and second
`These pins 38, 39 abut against the right- and left-hand
`release positions, said left- and right-hand operating
`pressing rods 34, 35 when the operating button 32 is
`levers (18, 19) being in engagement with the outer lat
`operated to slide forward for turning these rods around
`eral portions and lower portions of the left- and right
`the axis of the shaft 33. In this manner, as shown in FIG.
`hand table support frames when they are each in said
`8, when the operating button 32 is operated by one hand
`?rst locking position, said engagement being cancelled
`to slide forward the right- and left-hand pressing rods
`when said left- and right-hand operating levers are each
`34 and 35 pressed by the projecting pins 38 and 39, are
`in the second release position, a left-hand slide member
`turned around the axis of the shaft 33, whereby the
`and a right-hand slide member (27) slidably arranged in
`right-hand slide member 27 and the left-hand slide mem
`said table (17), each slide member (27) having an open
`ber slide outwardly. As a result, the engagement be
`ing (29) below said journal means (21), each operating
`tween the right~hand slide member 27 and left-hand
`lever (18, 19) passing through its respective opening in
`slide member and the right- and left-hand table support
`abutting engagement with its respective slide member
`frames 15 and 14 is canceled, enabling the removal of
`for actuation of said left- and right-hand operating le
`the table 17.
`vers (18, 19) by the respective slide member, springs
`According to the embodiment shown in FIGS. 1 to 8,
`(30) arranged for urging said left-hand slide member
`if either the left-hand operating lever 18 or the right
`and said right-hand slide member (27) into a locking
`hand operating lever 19 or the operating button 32 is
`position, whereby said abutting engagement of the wall
`operated by one hand, the table 17 can be removed from
`surfaces of said openings (29) in said left- and right-hand
`the high chair 10. That is, it is possible for the user to
`slide members (27) with the respective operating lever
`remove the table 17 by the right hand alone or by the
`normally maintains said left- and right-hand operating
`left hand alone. Further, since the position where such
`levers (18, 19) in said ?rst locked position, and permits
`operation for removal is to be performed may be at the
`moving said operating levers into said second release
`left-hand side or the right-hand side or the middle of the
`position, said construction further comprising slide
`table 17, the table can be removed very easily and con
`member operating means (31) for simultaneously sliding
`veniently regardless of the relative position of the per
`said left- and right-hand slide members outwardly into
`son to the high chair.
`said release position, whereby the wall surfaces of the
`The embodiment described above and shown in the
`opening (29) in said left- and right-hand slide members
`drawings is only an example in which the invention is
`turn said left- and right-hand operating levers (18, 19)
`embodied. Thus, various modi?cations and changes are
`into said second release position, and wherein said slide
`possible. For example, as to the slide member operating
`means for simultaneously sliding the left- and right
`member operating means (31) comprise an operating
`button (32) slidably mounted in said table (17), and left—
`hand slide member outwardly, various forms are possi
`and right-hand pressing rods (35, 34) adapted to be
`ble. In this connection, it is to be noted that, since the
`left— and right-hand slide members are arranged to slide
`displaced in response to a sliding movement of said
`operating button for pressing said left- and right-hand
`in the same plane, the installation of slide member oper
`slide members outwardly, said journal means connect
`ating means in the form of simple mechanisms, becomes
`ing said operating levers to said table tray in such a
`easy. However, since the object of the invention is to
`position that manually releasing one of said left-hand
`provide a table attaching construction for removing the
`and right—hand operating levers (18, 19) individually
`table by one hand, it is not absolutely necessary to pro
`permits sliding the other operating lever out of said
`vide slide member operating means. That is, the table
`locking position by a respective movement of said tray
`can be removed by one hand without such slide member
`held in one hand, said operating button (32) individually
`operating means.
`releasing both operating levers simultaneously for the
`Further, in the embodiment described above, the
`position of the table has been adjustable in the longitudi
`removal of said table with one hand only.
`nal direction; however, such longitudinal adjustment
`2. The table attaching construction for nursing chairs
`as set forth in claim 1, wherein the position of said table
`can be dispensed with. In that case, the aforesaid engag
`(17) disposed on said left- and right-hand table support
`ing projection 25 and the engaging recesses 26 are un
`frames (14, 15) is longitudinally adjustable.
`necessary.
`3. The table attaching construction for nursing chairs
`In the embodiment described above, the invention
`has been applied to a high chair; however, the invention
`as set forth in claim 1, wherein said left- and right-hand
`
`45
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`55
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`65
`
`Ex. 1008, p. 10
`
`

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`5
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`25
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`4,723,813
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`8
`slide members and the lower portions of said left- and
`thereof against said left- and right-hand slide members,
`right-hand table support frames (14, 15) are adapted to
`said operating button (32) having a longitudinally elon
`engage with each other by a combination of engaging
`gated opening (36) for receiving said shaft (33), and
`recesses (26) and engaging projections (25).
`projections (38, 39) which, when said operating button
`4. The table attaching construction for nursing chairs
`(32) is operated for a sliding movement, abut against
`as set forth in claim 1, wherein said slide member oper
`said left- and right-hand pressing rods (34, 35) for turn
`ating means (31) further comprise a shaft (33), said left
`ing said pressing rods around said shaft (33).
`and right-hand pressing rods (34, 35) being turnably
`6. A nursing chair and table construction comprising
`connected at one of their respective ends to said shaft
`a nursing chair including longitudinally extending left
`(33) and adapted to abut at the other ends thereof
`and right-hand table support frames (14, 15) on the left
`against said left- and right-hand slide members, said
`and right-hand sides of said nursing chair, a table tray
`operating button (32) having a longitudinally elongated
`(17) disposed on said left- and right-hand table support
`opening (36) for receiving said shaft (33), and projec
`frames (14, 15), said table having a table top with two
`tions (38, 39) which, when said operating button (32) is
`lateral right and left short edges and with two longitudi
`operated for a sliding movement, abut against said left
`nal edges, left- and right-hand operating levers (18, 19),
`and right-hand pressing rods (34, 35) for turning said
`journal means (21) pivotally mounting said operating
`pressing rods around said shaft (33).
`levers substantially along said lateral short edges and
`5. A table attaching construction for nursing chairs
`below said table top of said table in such positions that
`comprising longitudinally extending left- and right
`any one of said operating levers can be squeezed and
`hand table support frames (14, 15) on the left- and right
`said table can be held simultaneously by one hand alone,
`hand sides of a nursing chair, a table (17) disposed on
`said operating levers being turnable between first lock
`said left- and right-hand table support frames (14, 15)
`ing positions and second release positions by squeezing
`left- and right-hand operating levers (18, 19) pivotally
`the ?ngers of said one hand toward the thumb, said left
`mounted on the right- and left-hand sides of said table
`and right-hand operating levers (18, 19) having engage
`and turnable between ?rst locking positions and second
`ment members (25) in engagement with outer lateral
`release positions, said left- and right-hand operating
`portions and lower portions of the left- and right-hand
`levers (18, 19) being in engagement with the outer lat
`table support frames when each engagement member is
`eral portions and lower portions of the left- and right
`in said ?rst locking position, said engagement members
`hand table support frames when they are each in said
`facing toward each other so that said engagement of
`?rst locking position, said engagement being canceled
`both engagement members are disengaged when only
`when said left- and right-hand operating levers are each
`one of said left- and right-hand operating levers (18, 19)
`in the second release position, a left-hand slide member
`is squeezed upwardly and said table is lifted at said one
`and a right-hand slide member (27) slidably arranged in
`operating lever and simultaneously said table is pushed
`said table (17) and having openings for said left- and
`in a direction parallel to said longitudinal edges for also
`right-hand operating levers (18, 19) to extend vertically
`disengaging the engagement member of the other oper
`therethrough, springs (30) arranged for urging said
`ating lever (18 or 19), a left-hand slide member and a
`left-hand slide member and said right-hand slide mem
`right-hand slide member (27) slidably arranged in said
`ber (27) into a locking position, whereby the wall sur
`table (17), each of said slide members having openings
`faces of said openings in said left- and right-hand slide
`(29) below said journal means (21), each operating lever
`members (27) normally maintain said left- and right
`(18, 19) passing through its respective opening in abut
`hand operating levers (18, 19) in said ?rst locked posi
`ting engagement with its respective slide member for
`tion, said construction further comprising slide member
`actuation of said left- and right-hand operating levers
`operating means (31) for simultaneously sliding said
`(18, 19) by the respective slide member, and springs (30)
`left- and right hand slide members outwardly, whereby
`arranged for urging said left-hand slide member and
`the wall surfaces of the opening in said left- and right
`said right-hand slide member (27) into a locking posi~
`hand slide members turn said left- and right-hand oper
`tion, whereby said abutting engagement of the wall
`ating levers (18, 19) into said second release position,
`surfaces of said openings (29) in said left- and right-hand
`and wherein said slide member operating means (31)
`slide members (27) with the respective operating lever
`comprise an operating button (32) slidably mounted in
`normally maintains said left- and right-hand operating
`said table (17), and left- and right-hand pressing rods
`levers (18, 19) in said ?rst locking position and permits
`(35, 34) adapted to be displaced in repsonse to a sliding
`moving said operating levers into said second release
`movement of said operating button for pressing said
`position.
`left- and right-hand slide members outwardly, said con
`7. The nursing chair and table construction of claim 8,
`struction being such that each of said left-hand and
`right-hand operating levers (18, 19) individually and
`wherein said table top has an upwardly extending edge
`said operating button (32) individually enables the re
`at least opposite said operating levers (18, 19) so that
`said operating levers (18, 19) and said upwardly extend
`moval of said table with one hand only, and wherein
`ing edge together form a handle for simultaneously
`said slide member operating means (31) comprise a shaft
`(33), said left- and right-hand pressing rods (34, 35)
`holding said table and operating one of said operating
`being turnably connected at one of their respective ends
`levers with one hand only.
`to said shaft (33) and adapted to abut at the other ends
`8 t i
`
`35
`
`45
`
`55
`
`65
`
`‘
`
`ll
`
`Ex. 1008, p. 11
`
`

`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`CERTIFICATE OF CORRECTION
`PATENTNU. : 4,723,813
`DATED
`: February 9, 1988
`
`INVENTUFHS) : Kenzou Kassai
`
`It is certified that error appears in the above-identified patent and that said Letters Patent is hereby
`corrected asshown below:
`
`Claim 5, (column 7, line 22) , after I'(14, l5)" insert
`
`Claim 7, (column 8, line 54) , replace "claim 8," by
`——claim 6,--.
`
`Signed and Sealed this
`
`Twenty-first Day of June, 1988
`
`Arrest:
`
`Arresting O?icer
`
`Commissioner of Parents and Trademarks
`
`DONALD J. QUIGG
`
`Ex. 1008, p. 12