An Improved Rocking or Rocking and Folding Chair.
Year: 1896

page_text: Date of Application, 29th Apr., 1896-Accepted, 30th May, 1896
COMPLETE SPECIFICATION.
An Improved Rocking or Rocking and Folding Chair.
I, CHRISTIAN VOGEL Junior, Manufacturer, of Gernrode, in the German
Empire, 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 has for its object, to construct an improved type of rocking chair
and a chair which combines the advantages of an adjustable folding chair with
those of a rocking chair.
Fig. 3 is a side elevation of the chair placed in a rocking position;
Figs. 4 and 4 are a front view and a side view respectively of the chair after it
has been folded ;
Fig. 5 represents a modified construction of chair;
Fig. 6 represents another modification;
Figs. 7 to 11 represent another modification, Fig. 7 being a partial front
elevation, Fig. 8 a side view, Fig. 9 a side view in a different position of the chair,
Fig. 10 a partial plan corresponding to Fig. 9, and Fig. 11 a side view of the
folded chair.
This improved chair may be described as a folding chair, the seat of which is
adapted to oscillate. It comprises chiefly two pairs of legs (A and B), pivoted
together and connected with each other by suitable stays, also a seat (C), a
spring (d), and a back (D).
In Fig. 1 the seat C is supported at one end by a stay a and attached at the
other end to the spring d. The spring is mounted on the cross-tie b connecting the
right and left leg B, and tends to draw the seat C down, as far as the chair back D
will permit. The seat has therefore an elastic support, and may be rocked backward
and forward by means of the stay a supported by the cross-tie c, the lower end of
the stay being simply made to rest on the upper edge of the said tie, and adapted
to pivot on the same.
The angle between the back and the seat of the chair may be varied by simply
pressing on the back D, so as to get from the position of Fig. 1 into the position
of Fig. 3. As soon as the pressure or the weight of the body ceases to act on the
back of the chair, the chair immediately returns to the position represented by
Figs. 1 and 8, under the influence of the spring d.
It is not absolutely necessary to support the seat by a stay a; the support may
be formed by a cross tie f, Fig. 5, or suspension links g, Fig. 6, or by pivoted side
stays l, as in Figs. 8 and 9.
The essential feature in all these cases consists in the peculiar connection of the
seat with a spring d, and in a support which allows a backward and forward
rocking motion.
A similar effect is produced by the construction represented by Figs. 7 to 11,
where the supporting spring d is arranged in front, and the legs h and i are
connected by an elastic tie k, which may be a steel band, a leather strap, a coiled
spring, or a chain, and which has for its object to diminish vibration during the
rocking motion.
The chair back D is connected by pivots n with a stay l, which has its fulcrum m

page_text: on an extension of the leg h. The seat or seat frame p is supported at one end by
the lower end of the back D, while the other end of the seat is joined by a link to
a horizontal tier connecting the two stays l. The rocking spring d is connected at
the top with the cross tie r, and at the bottom with a cross bar c extending between
the legs right and left of the chair. The seat consists of canvas or other suitable
fabric attached to the seat frame p.
A person occupying the seat may produce an agreeable rocking motion during
which the back D strikes with its lower end against the elastic tie k, while the
spring d serves to draw the seat back. Apart from the rocking device the chair
may be constructed in any convenient manner, but preferably so that it can be
folded.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is
1. An adjustable or rocking chair, with or without folding arrangement, com-
prising in its construction a seat or seat frame C connected with the back D by a
movable joint, and adapted to be placed at various angles to the said back under
the influence of pressure or the weight of the body, by means of a spring d and a
stay a or support for suspension links g, substantially as described with reference
to Figs. 1 to 6.
2. An adjustable or rocking chair, with or without folding arrangement, com-
prising in its construction a seat frame p and back D connected by a movable joint,
a pair of pivoted stays 1, flexible ties k, cross ties c and r, and a rocking spring d,
substantially as described with reference to Figs. 7 to 11.
Dated this 28th day of April 1896.
FAIRFAX & WETTER,
433, Strand, London, Agents.