Year: 1886

page_text: Date of Application, 21st Dec., 1886.
Complete Left, 2nd Aug., 1887.
Complete Accepted, 13th Sept., 1887.
I, THOMAS FERGUSON of 104 Cowcaddens Street, Glasgow in the County of Lanark,
Cabinetmaker, do hereby declare the nature of this invention to be as follows:-
:-
This invention relates to that class of infants' chairs in which a movable board or
table is provided in front of the child and in which the legs of the chair work on pins
or joints so that the body of the chair may be raised or lowered.
The table or board of such chairs is usually hinged at or near the back part of the
side arms the hinge being constituted by pins passing into the arms and on which the
table or board is capable of being thrown back or forward through an arc in a vertical
plane. With this form of connection when the child is seated in the chair incon-
venience is experienced in raising and lowering the table or board over its head and
this invention has partly for its object to obviate such inconvenience which is effected
by making horizontal slots in the arms of the chair the pins connecting the table to
the said arms working in these slots. By this arrangement when it is desired to
throw the table or board backwards or forwards, previous to or after seating the
infant in the chair, the pins connecting the table to the arms are, by drawing the
table out, moved to the front ends of the slots in the arms and a greater space between
the edge of the table and the head of the child is thereby obtained for turning the
table backwards or forwards.
To lock the legs in any desired position there is provided under this invention a
vertical bar or spindle having a thumb or finger piece upon it. This bar or spindle is
situated preferably at the rear of the chair body and it has at its lower end two cranks,
or a cross piece, the said cranks being each connected to one end of a link whose
other extremity is attached to the inner end of a bolt the outer ends of the said bolts
each entering one of a series of holes made in the back legs of the chair and arranged
at distances apart corresponding to the desired heights of adjustment of the chair body.
The bolts are carried on a cross bar or plate extending between the side frames of the
chair body and they are each provided with a spring the tendency or action of which
is to force the bolts into the holes in the chair legs.
Dated this Twentieth day of Decembar 1996
CRUIKSHANK & FAIRWEATHER,
62, St. Vincent Street, Glasgow,
Agents.

page_text: Improvements in Infants' Chairs.
1, TROMAS FERGUSON of 104 Cowcaddens Street, Glasgow, in the County of
Lanark, Cabinetmaker, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :-
This invention relates to that class of infants' chairs in which a movable board or
table is provided in front of the child and in which the legs of the chair work on pins
or joints so that the body of the chair may be raised or lowered.
The table or board of such chairs is usually hinged at or near the back part of the
side arms the hinge being constituted by pins passing into the arms and on which
the table or board is capable of being thrown back or forward through an arc in a
vertical plane. With this form of connection when the child is seated in the chair
inconvenience is experienced in raising and lowering the table or board over its head
and as also when the board is down in lifting the child out of the chair. This
invention has partly for its object to obviate such inconvenience, and partly also to
provide means for locking the legs of the chair in any desired position.
On the accompanying drawings figure 1 is a side elevation and figure 2 a back
elevation of an infants chair having the improvements constituting my said Invention
applied thereto figures 3 to 9 being details hereinafter more particularly referred to.
As seen at a figure 1 a horizontal slot is made in each arm of the chair the pins c
connecting the table or board 6 to the said arms passing through and working in these
slots. By this arrangement when it is desired to throw the table or board backwards
or forwards, previous to or after seating the infant in the chair, the pins c are, by
drawing the table out, moved to the front ends of the slots a in the arms and a
greater space between the inner edge of the table and the body of the child is thereby
obtained for turning the table backwards or forwards or for seating or lifting the
child out. This space may be still further increased by the arrangement illustrated'
on figures 3 and 4 wherein in addition to the slots a made in the arms of the chair
there is screwed or otherwise secured to the under side of each arm d of the table or
board a tubular piece e in which a bar fis free to slide. The arms d of the table or
board are made separate from the board and the forward ends of the bars
screwed or otherwise secured to the underside of the board the back ends of the bars
having catches or stops g, formed upon them. By this means when the pins c have
been moved to the forward end of the slots a the table or board 6 is rendered capable
of still further forward movement until the stops g come in contact with the ends of
the tubes e as at figure 3. Instead of the slots a extending entirely through the arms
of the chair they may be made as seen at figure 5, in which case a metallic plate h,
having a horizontal slot in it, is screwed to the side of each arm the slots in the plates
whilst sufficiently wide to permit the shanks of the pins c to pass, being narrow
enough to retain the heads of the pins in the slots or grooves a.
are

page_text: To lock the legs in any desired position there is provided under this invention a
vertical bar or spindle i having a hand crank s or a thumb or finger piece upon it.
This bar or spindle is situated preferably at the rear of the chair body and it has at
its lower end as seen by figures 6 and 7 a cross piece j the said piece having each of
its ends :connected to one end of a link k, whose other extremity is attached to the
inner end of a bolt the outer ends of the said bolts each entering one of a series of
holes made as seen at m figure 1, in quadrants n secured to the back legs of the chair
the slots being arranged at distances apart corresponding to the desired heights of
adjustment of the chair body. The bolts are carried on a cross plate o, which is
situated in a space made to receive it in the bar q, extending between the side frames p
of the chair body and each bolt is provided with a spring q' the tendency or action of
which is to again force the bolts into the holes in the chair legs, after they have been
withdrawn by turning the hand cranks. Figures 8 and 9 illustrate a modification in
which instead of the links k, curvilinear slots t are made in the cross piece at the
bottom end of the spindle the bolts being connected to the said slots by pins u.
Having now particularly described and ascertained the nature of my said invention,
and in what manner the same is to be performed, I declare that what I claim is :-
1. In a chair of the class referred to connecting the board or table b to the arms
by pins e passing through or into slots a formed in the arms substantially as and for
the purposes described with reference to figures 1, 2 and 5 of the apponded drawings.
2. In a chair of the class referred to as a means for obtaining a greater space
between the inner edge of the table and the head of the child in turning the table
backwards or forwards the combination of the slots a, pins c, tubes e and bars f,
substantially as described with reference to figures 3 and 4 of the annexed drawings.
3. In a chair of the class referred to the lock or fastening for the legs consisting
of the combinations of parts herein before described with reference' o figures 6, 7, 8
and 9 of the accompanying drawings or any mere modification thereof.
Dated this First day of August 1887.
CRUIKSHANK & FAIRWEATHER,
62, St. Vincent Street, Glasgow,
Agents.