Year: 1885

page_text: 1, FRIEDRICH CASPARY, of Barmen in the Empire or Germany, do nereby
declare the nature of this invention, to be as follows:-
The mattresses or spring seats hitherto used have been characterized by the
application of spiral springs, standing free and being connected together by means
of strings, etc, so forming an elastic surface, capable of resistance, on which the
fibrous material is resting.
The object of my improvements is to obviate the old and customary way of
connecting the springs which very soon become undone, get out of order and get
damaged, and to carry the top spring ends conjointly by. a metal frame, by means
of a metal band knitting, in order that the springs themselves not only give
elasticity to the bolster but are also assisted therein by the spring action of the
metal bands of the knitting, while at the same time a relative changing of the
springs is prevented by means of the rigid connection of the band knitting with
the frame, and a constant vertical spring action of the upper frame forming the
feather edge, will be obtained. In particular this connection and vertical move-
ment of each separate spring, which can only be obtained by the rigid upper
frame, as the latter prevents a horizontal approach of the next situated spring,
and consequently shortening of the mattress, ensures the long durability of the
mattress, as every horizontal and damaging displacement or approach of the spring,
as well as the fibre bolster resting thereon, is prevented and only a vertical com-
pression can take place.
The rigid upper frame is therefore brought into connection with the elastic metal
band & knitting, which both serve to retain the upper ends of the springs at their.
proper horizontal distances, at the same time increasing the spring power which
characterizes this invention, in which are suitably fitted and applied the springs,
with bulged out sides, thereby preventing a horizontal displacement of the top
frame (the feather edge) against the lower one, and obtaining a vertical movement
of the hole system.

page_text: I, FRIEDRICH CASPARY, of Barmen in the Empire of Germany, 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:
The mattresses or spring seats hitherto used have been characterized by the
application of spiral springs, standing free and being connected together by means
of strings, etc, so forming an elastic surface capable of resistance, on which the
fibrous material is resting.
The object of my improvements is to obviate the old and customary way of
connecting the springs, which very soon become undone, get out of order and get
damaged, and to carry the top spring ends conjointly by a metal frame, by means
of a metal band netting, in order that the springs themselves not only give
elasticity to the bolster but are also assisted therein by the spring action of the
metal bands of the netting, while at the same time a relative changing of the
springs is prevented by means of the rigid connection of the band netting with
the frame, and a constant vertical spring action of the upper frame forming the
feather edge, will be obtained.
In particular this connection and vertical movement of each separate spring,
which can only be obtained by the rigid upper frame, as the latter prevents a
horizontal approach of the next situated spring, and consequently shortening of
the mattress, ensures the long durability of the mattress, as every horizontal &
damaging displacement or approach of the spring, as well as the fibre bolster
resting thereon, is prevented and only a vertical compression can take place.
And in order that my invention may be better understood I have caused to
be appended hereunto one sheet of drawings marked with letters of reference
indicating like parts in the various figures.
Fig. 1 is a plan. Fig. 2 a cross section and Fig. 3 a longitudinal section of my
improved mattress.
.
a is the bottom frame a¹ the lower band netting, d the spring bulged out to the
right and left alternately, r the top upper frame, b. b, the band netting on which
the upper ends of the springs are fixed; p is the fibre bolster.
In carrying out my invention I bring the rigid upper frame r into connection
with the elastic metal band netting b. b, which both serve to retain the upper ends
of the springs d at their proper horizontal distances, at the same time increasing
the spring power which characterizes this invention, to which are suitably fitted
and applied the springs d, with bulged out sides, thereby preventing a horizontal
displacement of the top frame (the feather edge) against the lower one a, and
obtaining a vertical movement of the hole system.

page_text: Having now particularly described and ascertained the nature of this inven-
tion & in what manner the same is to be performed I declare that what
I claim is;
1 The employment of a rigid iron or steel frame in combination with the
elastic band netting b, attached thereto which serves for the fixing of the springs &
on the upper part of the mattress & equal arrangement on the bottom part of the
mattress, for the purpose of mounting the separate springs accurately & to prevent
any shortening of the mattress when in use & increasing its elasticity, as set forth.
2nd The application of the combination specified in the precending claim in
combination with the springs d, bulged out in different directions for the purpose
of preventing a horizontal displacement of the upper frame r to the lower frame a
and to obtain a quite vertical spring action of the hole system, as set forth.
Dated this 2nd day of June 1886.
Pro FRIEDRICH CASPARY.
Bosshardt & Grant,
Agents to the Applicant,
Pro FRIEDRICH CASPARY.
Bosshardt & Grant,
Agents to the Applicant,