Improvements in Adjustable Stools or Seats.
Year: 1892

page_text: Date of Application, 26th Jan., 1892
Complete Specification Left, 24th Feb., 1892-Accepted, 30th Apr., 1892
PROVISIONAL SPECIFICATION.
Improvements in Adjustable Stools or Seats.
We, WILLIAM GUSTAV MAX SCHAEDE, Manufacturer, and ADAM SCHMIDT,
Gentleman, both of 18, Culm Street, Saalfeld on the Saale, in the Kingdom of
Prussia and German Empire, do hereby declare the nature of this invention to be
as follows:
According to this invention the stool or seat (hereinafter called a seat) is so
constructed that it can be readily adjusted vertically so as to adapt it for use
either at a desk or at a table. Furthermore the seat is so arranged as to be
capable of being turned by the occupier either to the right or to the left hand side.
The seat rests upon one or more springs and is raised or lowered by lever
mechanism. The accompanying drawings illustrate a scat constructed according
to this invention
Fig. 1 being a side view, and
Fig. 2 a front view, partly in section.
Figs. 3, 4, and 5 are sectional detail views of the adjusting mechanism.
This seat comprises a seat proper resting upon springs a interposed between it
and a disc or platen e which can be moved up and down by means of a tubular
guiding rod that is fixed to the platen e and is capable of sliding within a
tubular upright or standard carried by a tripod stand. The seat is fixed in the
required position by means of pawl mechanism that is arranged to work over an
outer rack on the upright a and is connected by a rod y with the tubular guiding
rod so that this mechanism is moved up and down with the seat c.
The rod is attached at its upper end, to a ring ƒ¹ (Fig. 5) on the guiding rod
and at its lower end to a sleeve movable upon the upright and in which is
arranged a pawl m (Fig. 4) adapted to engage with the rack b. There is a hole
or opening m in the pawl through which passes a rod capable of being moved
up and down and formed or provided with a projection or bent portion . This
rod is normally in its raised position, being connected at the top with a lever k
(Figs. 1, and 5) which is fulcrummed upon an arm of the ring and is acted upon
by a spring o. The pawl mechanism is so arranged that the pawl m automatically
engages with the rack when the seat has been raised and prevents it from
descending until required. When however the seat requires to be lowered the
outer arm of the lever is pressed upwards in the direction of the arrow so as to
depress the rod which by means of its projection or bent portion disengages the
pawl m from the teeth of the rack and thus allows the seat to be freely lowered.
A footboard or step is fixed by means of arms to the sleeve and this
sleeve is rigidly connected to the seat c by the rod y so that the distance between
the step and the seat remains constant notwithstanding vertical adjustment of the
seat; thus the feet of an occupier of the seat have always a firm support. The
seat as described is suitable for use in shops and similar places, but its con-
struction can be varied to suit the conditions under which it is to be used without
departing from the essential features of the invention thus Fig. 6 shews an
arrangement of the improved seat adapted for the use of engine drivers. A is a
pillar on the foot plate of a locomotive. Upon this pillar is mounted a vertically
adjustable sleeve & carrying a hollow extension B within which is telescopically
fitted a rod D carrying a sleeve such as hereinbefore described adapted to be

page_text: secured to the upright
dt.
The rod D is fixed in any desired position in the
trunnion B by means of one or more screws E.
Dated this 26th day of January 1892.
W. SCHAEDE,
By L. W., per F. B.
A. SCHMIDT,
By L. W., per F. B.
We WILLIAM GUSTAV MAX SCHAEDE, Manufacturer, and ADAM SCHMIDT,
Gentleman both of 18 Culm Street, Saalfeld on the Saale, in the Kingdom of
Prussia and 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:-
According to this invention the new or improved stool or seat (hereinafter
called a seat) is so constructed that it can be readily adjusted vertically so as to
adapt it for use either at a desk or at a table. Furthermore the seat is so arranged
as to be capable of being turned by the occupier either to the right or to the left
hand side. The seat rests upon one or more springs and is raised or lowered by
lever mechanism.
Referring to the drawings accompanying my Provisional Specification which
illustrate a seat constructed according to this invention,
Fig. 1 is a side view, and
Fig. 2 a front view, partly in section.
Figs. 3, 4 and 5 are sectional detail views of the adjusting mechanism.
This seat comprises a seat proper e resting upon springs d interposed between it
and a disc or platen e which can be moved up and down by means of a tubular
guiding rod that is fixed to the platen e and is capable of sliding within a tubular
upright or standard a carried by a tripod stand. The seat is fixed in the required
position by means of pawl mechanism that is arranged to work over an outer
rack on the upright a and is connected by a rod y with the tubular guiding rod
so that this mechanism is moved up and down with the seat e.
The rod is attached at its upper end to a ring (Fig. 5) on the guiding rod f
and at its lower end to a sleeve / movable upon the upright and in which is
arranged a pawl m (Fig. 4) adapted to engage with the rack b. There is a hole or
opening in the pawl through which passes a rod capable of being moved up
and down and formed or provided with a projection or bent portion . This rod 7
is normally in its raised position, being connected at the top with a lever k (Figs. 1
and 5) which is fulcrummed upon an arm of the ring and is acted upon by a
spring o. The pawl mechanism is arranged as shewn so that the pawl m auto-
natically engages with the rack when the seat has been raised and prevents it
from descending until required. When however the seat requires to be lowered
the outer arm of the lever k is moved upwards in the direction of the arrow so as
to depress the rod which by means of its projection or bent portion disengages
the pawl m from the teeth of the rack band thus allows the seat to be freely
lowered. The footboard or step is fixed by means of arms '' to the sleeve /
and this sleeve is rigidly connected to the seat c by the rod y so that the distance
between the step and the seat remains constant notwithstanding vertical adjustment
of the seat; thus the feet of an occupier of the seat have always a firm support.
The seat as described is suitable for use in shops and similar places but its con-
struction can be varied to suit the conditions under which it is to be used without
departing from the essential features of the invention. Thus Fig. 6 shows an
arrangement of the improved seat adapted for the use of engine drivers.
A is a
Q

page_text: pillar on the foot plate of a locomotive. Upon this pillar is mounted a vertically
adjustable sleeve C carrying a hollow extension B within which is telescopically
fitted a rod D carrying a sleeve h² such as hereinbefore described adapted to be
secured to the upright a. The rod D is fixed in any desired position in the hollow
extension B by means of one or more screws E. In other respects the arrange-
ment is similar to that first described except that the upright, a has no tripod
stand.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed we declare that what we
claim is :-
1. A stool or seat in which the seat proper rests upon one or more springs
interposed between it and a disc or platen fixed to a tubular guiding rod capable
of sliding within an upright or standard a, provided with an outer rack with
which a pawl m arranged to move with the seat is adapted to engage, substantially
as described and shewn.
2. In stools or seats of the kind referred to in the preceding claim, the arrange-
ment whereby the pawl prevents the seat proper descending when in its raised
position, until the pawl is withdrawn by means of a lever situated at the front part
of the seat substantially as described and shewn.
Dated this 24th day of February 1892.
W. G. M. SCHAEDE,
By L. W., per F. B.
A. SCHMIDT,
By L. W., per F. B.